<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019c4def-6d06-7b18-adce-29949fd3c4b6,g:2ca8db87-d933-40d4-955c-2f63dbd83baf-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://westwoodgroup.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="whg-20251231.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://westwoodgroup.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019c4def-6f4b-7928-a649-a32510f0038f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019c4def-6f4b-701d-96d0-e572f046d728" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c4def-6f4b-7928-a649-a32510f0038f" xlink:to="loc_us-gaap_AssetsCurrent_019c4def-6f4b-701d-96d0-e572f046d728" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestments_019c4def-6f4b-7714-804d-945cca7625c2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c4def-6f4b-7928-a649-a32510f0038f" xlink:to="loc_us-gaap_LongTermInvestments_019c4def-6f4b-7714-804d-945cca7625c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019c4def-6f4b-74ee-b290-4f02219ed49f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c4def-6f4b-7928-a649-a32510f0038f" xlink:to="loc_us-gaap_Goodwill_019c4def-6f4b-74ee-b290-4f02219ed49f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_019c4def-6f4b-748c-903f-926a39e31b2a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c4def-6f4b-7928-a649-a32510f0038f" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_019c4def-6f4b-748c-903f-926a39e31b2a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019c4def-6f4b-7e22-925f-b3a5817e209c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c4def-6f4b-7928-a649-a32510f0038f" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019c4def-6f4b-7e22-925f-b3a5817e209c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019c4def-6f4b-7f3f-b0b6-b9ae0320ffec" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c4def-6f4b-7928-a649-a32510f0038f" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019c4def-6f4b-7f3f-b0b6-b9ae0320ffec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongTermInvestments_019c4def-6f4b-7dda-9391-6162307e2556" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLongTermInvestments"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c4def-6f4b-7928-a649-a32510f0038f" xlink:to="loc_us-gaap_OtherLongTermInvestments_019c4def-6f4b-7dda-9391-6162307e2556" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019c4def-6f4b-7d94-b98f-4f2091c05577" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c4def-6f4b-7928-a649-a32510f0038f" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019c4def-6f4b-7d94-b98f-4f2091c05577" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019c4def-6f4b-798d-a402-7d8140c3ea44" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019c4def-6f4b-7eac-9177-b6bb5315e585" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c4def-6f4b-798d-a402-7d8140c3ea44" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019c4def-6f4b-7eac-9177-b6bb5315e585" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019c4def-6f4b-7406-bd77-c3e511e6338d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c4def-6f4b-798d-a402-7d8140c3ea44" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019c4def-6f4b-7406-bd77-c3e511e6338d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_019c4def-6f4b-744c-925e-4d5631ff68b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermInvestments"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c4def-6f4b-798d-a402-7d8140c3ea44" xlink:to="loc_us-gaap_ShortTermInvestments_019c4def-6f4b-744c-925e-4d5631ff68b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_019c4def-6f4b-76d1-8693-25639081715e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c4def-6f4b-798d-a402-7d8140c3ea44" xlink:to="loc_us-gaap_OtherAssetsCurrent_019c4def-6f4b-76d1-8693-25639081715e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidTaxes_019c4def-6f4b-7799-92c9-9b40e240bca2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidTaxes"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c4def-6f4b-798d-a402-7d8140c3ea44" xlink:to="loc_us-gaap_PrepaidTaxes_019c4def-6f4b-7799-92c9-9b40e240bca2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019c4def-6f4b-778e-910f-bb179e7d6f60" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_019c4def-6f4b-7120-94ff-caee10fbd1f0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019c4def-6f4b-778e-910f-bb179e7d6f60" xlink:to="loc_us-gaap_CommitmentsAndContingencies_019c4def-6f4b-7120-94ff-caee10fbd1f0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019c4def-6f4b-71db-bf06-738ba99ee3e4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019c4def-6f4b-778e-910f-bb179e7d6f60" xlink:to="loc_us-gaap_StockholdersEquity_019c4def-6f4b-71db-bf06-738ba99ee3e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_019c4def-6f4b-7e84-8d9d-9d70162fa595" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_whg_DividendsPayableNonCurrent_019c4def-6f4b-701c-b0d2-a94a59e47475" xlink:href="whg-20251231.xsd#whg_DividendsPayableNonCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019c4def-6f4b-7e84-8d9d-9d70162fa595" xlink:to="loc_whg_DividendsPayableNonCurrent_019c4def-6f4b-701c-b0d2-a94a59e47475" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesNoncurrent_019c4def-6f4b-74fe-884a-05c8dcf24008" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedIncomeTaxesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019c4def-6f4b-7e84-8d9d-9d70162fa595" xlink:to="loc_us-gaap_AccruedIncomeTaxesNoncurrent_019c4def-6f4b-74fe-884a-05c8dcf24008" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRentCreditNoncurrent_019c4def-6f4b-7200-b8b8-847d075c9a16" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredRentCreditNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_019c4def-6f4b-7e84-8d9d-9d70162fa595" xlink:to="loc_us-gaap_DeferredRentCreditNoncurrent_019c4def-6f4b-7200-b8b8-847d075c9a16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019c4def-6f4b-71c4-a36c-f33c00bdb16e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019c4def-6f4b-776d-8770-37905fd4cbf3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c4def-6f4b-71c4-a36c-f33c00bdb16e" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_019c4def-6f4b-776d-8770-37905fd4cbf3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_019c4def-6f4b-7980-b388-19fa3d019437" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DividendsPayableCurrentAndNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c4def-6f4b-71c4-a36c-f33c00bdb16e" xlink:to="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_019c4def-6f4b-7980-b388-19fa3d019437" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019c4def-6f4b-782b-a3b8-172cb8e32e1c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c4def-6f4b-71c4-a36c-f33c00bdb16e" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019c4def-6f4b-782b-a3b8-172cb8e32e1c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent_019c4def-6f4b-75f3-8990-c8752d3043dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c4def-6f4b-71c4-a36c-f33c00bdb16e" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent_019c4def-6f4b-75f3-8990-c8752d3043dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_019c4def-6f4b-76cf-adaf-dedb7cffc428" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c4def-6f4b-71c4-a36c-f33c00bdb16e" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_019c4def-6f4b-76cf-adaf-dedb7cffc428" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019c4def-6f4b-717b-8ef3-7229a5841504" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019c4def-6f4b-79c6-bfd8-a6f3c8bb93a8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019c4def-6f4b-717b-8ef3-7229a5841504" xlink:to="loc_us-gaap_LiabilitiesCurrent_019c4def-6f4b-79c6-bfd8-a6f3c8bb93a8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_019c4def-6f4b-7ae9-b913-d7f77414bce5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019c4def-6f4b-717b-8ef3-7229a5841504" xlink:to="loc_us-gaap_LiabilitiesNoncurrent_019c4def-6f4b-7ae9-b913-d7f77414bce5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://westwoodgroup.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="simple" xlink:href="whg-20251231.xsd#CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME"/>
  <link:calculationLink xlink:role="http://westwoodgroup.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019c4def-6f4b-70dd-9524-b28519b7121c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019c4def-6f4b-743d-a946-4fc6ccfe4edb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019c4def-6f4b-70dd-9524-b28519b7121c" xlink:to="loc_us-gaap_NetIncomeLoss_019c4def-6f4b-743d-a946-4fc6ccfe4edb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c4def-6f4b-7b49-ab46-3a44bac0b296" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019c4def-6f4b-70dd-9524-b28519b7121c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c4def-6f4b-7b49-ab46-3a44bac0b296" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c4def-6f4b-710e-b158-4150972e3b7c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019c4def-6f4b-7368-a4b6-8a6874811c9e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c4def-6f4b-710e-b158-4150972e3b7c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019c4def-6f4b-7368-a4b6-8a6874811c9e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_019c4def-6f4b-7523-a4cb-ee94adacf394" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LaborAndRelatedExpense_019c4def-6f4b-70cf-89c0-16c97bcc515c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LaborAndRelatedExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019c4def-6f4b-7523-a4cb-ee94adacf394" xlink:to="loc_us-gaap_LaborAndRelatedExpense_019c4def-6f4b-70cf-89c0-16c97bcc515c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_019c4def-6f4b-7bc7-8d85-35c4f5615364" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019c4def-6f4b-7523-a4cb-ee94adacf394" xlink:to="loc_us-gaap_SellingAndMarketingExpense_019c4def-6f4b-7bc7-8d85-35c4f5615364" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_whg_MutualFundAdministrationAndDistribution_019c4def-6f4b-7006-847c-57a6d53c99c3" xlink:href="whg-20251231.xsd#whg_MutualFundAdministrationAndDistribution"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019c4def-6f4b-7523-a4cb-ee94adacf394" xlink:to="loc_whg_MutualFundAdministrationAndDistribution_019c4def-6f4b-7006-847c-57a6d53c99c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommunicationsAndInformationTechnology_019c4def-6f4b-70ad-ba2a-50eb36cc1b32" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommunicationsAndInformationTechnology"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019c4def-6f4b-7523-a4cb-ee94adacf394" xlink:to="loc_us-gaap_CommunicationsAndInformationTechnology_019c4def-6f4b-70ad-ba2a-50eb36cc1b32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfessionalFees_019c4def-6f4b-7979-b03d-c7631fbf2fd7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfessionalFees"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019c4def-6f4b-7523-a4cb-ee94adacf394" xlink:to="loc_us-gaap_ProfessionalFees_019c4def-6f4b-7979-b03d-c7631fbf2fd7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationSettlementExpense_019c4def-6f4b-72a6-a1c7-01a16a19699b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LitigationSettlementExpense"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019c4def-6f4b-7523-a4cb-ee94adacf394" xlink:to="loc_us-gaap_LitigationSettlementExpense_019c4def-6f4b-72a6-a1c7-01a16a19699b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_019c4def-6f4b-7f5c-9bff-d0efb7cb05b8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019c4def-6f4b-7523-a4cb-ee94adacf394" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_019c4def-6f4b-7f5c-9bff-d0efb7cb05b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_019c4def-6f4b-76d9-9144-d5358787224e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019c4def-6f4b-7523-a4cb-ee94adacf394" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_019c4def-6f4b-76d9-9144-d5358787224e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c4def-6f4b-71f5-96c0-8b36992c5a56" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019c4def-6f4b-70a1-ae72-42298c14abc7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c4def-6f4b-71f5-96c0-8b36992c5a56" xlink:to="loc_us-gaap_OperatingIncomeLoss_019c4def-6f4b-70a1-ae72-42298c14abc7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_019c4def-6f4b-7581-8972-6b0da0cd214b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c4def-6f4b-71f5-96c0-8b36992c5a56" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_019c4def-6f4b-7581-8972-6b0da0cd214b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019c4def-6f4b-7504-944e-d1775788c2e3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c4def-6f4b-701c-81e7-64a17ed39a6d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c4def-6f4b-7504-944e-d1775788c2e3" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c4def-6f4b-701c-81e7-64a17ed39a6d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019c4def-6f4b-7154-975f-c58fa0464ead" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c4def-6f4b-7504-944e-d1775788c2e3" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019c4def-6f4b-7154-975f-c58fa0464ead" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://westwoodgroup.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="whg-20251231.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://westwoodgroup.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_whg_CashAndCashEquivalentsPeriodIncreaseDecrease_019c4def-6f4b-7cc5-9215-ca8dddd708d2" xlink:href="whg-20251231.xsd#whg_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-754e-820f-1dac96ff48ed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_whg_CashAndCashEquivalentsPeriodIncreaseDecrease_019c4def-6f4b-7cc5-9215-ca8dddd708d2" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-754e-820f-1dac96ff48ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019c4def-6f4b-7cab-9b84-36fa3dff22c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_whg_CashAndCashEquivalentsPeriodIncreaseDecrease_019c4def-6f4b-7cc5-9215-ca8dddd708d2" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019c4def-6f4b-7cab-9b84-36fa3dff22c9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019c4def-6f4b-73a0-b2ab-c5b169f57ccb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_whg_CashAndCashEquivalentsPeriodIncreaseDecrease_019c4def-6f4b-7cc5-9215-ca8dddd708d2" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019c4def-6f4b-73a0-b2ab-c5b169f57ccb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_whg_EffectOfExchangeRateOnCashAndCashEquivalents_019c4def-6f4b-71a2-b206-cb4cfb035a55" xlink:href="whg-20251231.xsd#whg_EffectOfExchangeRateOnCashAndCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_whg_CashAndCashEquivalentsPeriodIncreaseDecrease_019c4def-6f4b-7cc5-9215-ca8dddd708d2" xlink:to="loc_whg_EffectOfExchangeRateOnCashAndCashEquivalents_019c4def-6f4b-71a2-b206-cb4cfb035a55" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019c4def-6f4b-7a30-9305-314cb1b68cb1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_019c4def-6f4b-7abe-b6d3-edaff890bc49" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019c4def-6f4b-7a30-9305-314cb1b68cb1" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_019c4def-6f4b-7abe-b6d3-edaff890bc49" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_019c4def-6f4b-7978-a471-a357b3f3bdd9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019c4def-6f4b-7a30-9305-314cb1b68cb1" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_019c4def-6f4b-7978-a471-a357b3f3bdd9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireInvestments_019c4def-6f4b-7f35-b151-eb9e6aecc24c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireInvestments"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019c4def-6f4b-7a30-9305-314cb1b68cb1" xlink:to="loc_us-gaap_PaymentsToAcquireInvestments_019c4def-6f4b-7f35-b151-eb9e6aecc24c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_019c4def-6f4b-7614-b787-f9b160c2b07f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019c4def-6f4b-7a30-9305-314cb1b68cb1" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_019c4def-6f4b-7614-b787-f9b160c2b07f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_019c4def-6f4b-7fd1-bf22-1476a4da87d6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_019c4def-6f4b-7a30-9305-314cb1b68cb1" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_019c4def-6f4b-7fd1-bf22-1476a4da87d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019c4def-6f4b-71e8-ada8-cd1c13c98378" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_us-gaap_NetIncomeLoss_019c4def-6f4b-71e8-ada8-cd1c13c98378" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_019c4def-6f4b-7270-b2e2-d957ccf64c0a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Depreciation"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_us-gaap_Depreciation_019c4def-6f4b-7270-b2e2-d957ccf64c0a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_019c4def-6f4b-74bf-a2d2-78a517d87c1b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_019c4def-6f4b-74bf-a2d2-78a517d87c1b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss_019c4def-6f4b-7006-a4f0-45643a8f24a0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_us-gaap_TradingSecuritiesUnrealizedHoldingGainLoss_019c4def-6f4b-7006-a4f0-45643a8f24a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019c4def-6f4b-7c59-8219-00e5894fc3a3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_us-gaap_ShareBasedCompensation_019c4def-6f4b-7c59-8219-00e5894fc3a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_019c4def-6f4b-70fc-841a-d79c972716f8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_019c4def-6f4b-70fc-841a-d79c972716f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_whg_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_019c4def-6f4b-7f01-a3bb-ecc1d640c280" xlink:href="whg-20251231.xsd#whg_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_whg_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_019c4def-6f4b-7f01-a3bb-ecc1d640c280" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_whg_Gainonsaleofoperations_019c4def-6f4b-7c5b-8bda-19cc3a5a93bc" xlink:href="whg-20251231.xsd#whg_Gainonsaleofoperations"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_whg_Gainonsaleofoperations_019c4def-6f4b-7c5b-8bda-19cc3a5a93bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInTradingSecurities_019c4def-6f4b-7cd9-a963-e59581dcc248" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInTradingSecurities"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_us-gaap_IncreaseDecreaseInTradingSecurities_019c4def-6f4b-7cd9-a963-e59581dcc248" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_019c4def-6f4b-7a9a-8c29-20aebf7e53c5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_019c4def-6f4b-7a9a-8c29-20aebf7e53c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019c4def-6f4b-795d-9939-a3386c79e3a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019c4def-6f4b-795d-9939-a3386c79e3a6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_019c4def-6f4b-77e3-9cce-fd4b380914f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_019c4def-6f4b-77e3-9cce-fd4b380914f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_019c4def-6f4b-79f4-b5af-8c5d06bae59f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_019c4def-6f4b-79f4-b5af-8c5d06bae59f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_019c4def-6f4b-7a90-8475-cda55a582b24" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_019c4def-6f4b-7a90-8475-cda55a582b24" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedTaxesPayable_019c4def-6f4b-7182-882d-a1a55d050b08" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccruedTaxesPayable"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedTaxesPayable_019c4def-6f4b-7182-882d-a1a55d050b08" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_019c4def-6f4b-7a6d-9be2-42cbd2ac66f1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:calculationArc order="16" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_019c4def-6f4b-77e0-a828-11e6f7347986" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_019c4def-6f4b-7a6d-9be2-42cbd2ac66f1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019c4def-6f4b-7984-8495-34c6ad2b520b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019c4def-6f4b-79a1-9d80-9db2167f609c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019c4def-6f4b-7984-8495-34c6ad2b520b" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019c4def-6f4b-79a1-9d80-9db2167f609c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_whg_PaymentforRepurchasesofStockforBenefitPlan_019c4def-6f4b-7ce3-a0d3-65164c3e75f8" xlink:href="whg-20251231.xsd#whg_PaymentforRepurchasesofStockforBenefitPlan"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019c4def-6f4b-7984-8495-34c6ad2b520b" xlink:to="loc_whg_PaymentforRepurchasesofStockforBenefitPlan_019c4def-6f4b-7ce3-a0d3-65164c3e75f8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019c4def-6f4b-7801-9e40-3a3b81b916fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019c4def-6f4b-7984-8495-34c6ad2b520b" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019c4def-6f4b-7801-9e40-3a3b81b916fa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_whg_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_019c4def-6f4b-7ae5-a034-2ec2fb2656d8" xlink:href="whg-20251231.xsd#whg_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019c4def-6f4b-7984-8495-34c6ad2b520b" xlink:to="loc_whg_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_019c4def-6f4b-7ae5-a034-2ec2fb2656d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPaymentsToAcquireBusinesses_019c4def-6f4b-781b-81f3-f7f724fe84f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherPaymentsToAcquireBusinesses"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019c4def-6f4b-7984-8495-34c6ad2b520b" xlink:to="loc_us-gaap_OtherPaymentsToAcquireBusinesses_019c4def-6f4b-781b-81f3-f7f724fe84f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividends_019c4def-6f4b-7095-8560-b8bfdfcf340b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDividends"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_019c4def-6f4b-7984-8495-34c6ad2b520b" xlink:to="loc_us-gaap_PaymentsOfDividends_019c4def-6f4b-7095-8560-b8bfdfcf340b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://westwoodgroup.com/role/InvestmentsOtherRevenueDetails1" xlink:type="simple" xlink:href="whg-20251231.xsd#InvestmentsOtherRevenueDetails1"/>
  <link:calculationLink xlink:role="http://westwoodgroup.com/role/InvestmentsOtherRevenueDetails1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradingSecuritiesRealizedGainLoss_019c4def-6f4b-7ad6-874d-fde4da637994" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TradingSecuritiesRealizedGainLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradingSecuritiesRealizedGain_019c4def-6f4b-7a52-ac4d-d616aa894cbf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TradingSecuritiesRealizedGain"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_TradingSecuritiesRealizedGainLoss_019c4def-6f4b-7ad6-874d-fde4da637994" xlink:to="loc_us-gaap_TradingSecuritiesRealizedGain_019c4def-6f4b-7a52-ac4d-d616aa894cbf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradingSecuritiesRealizedLoss_019c4def-6f4b-7304-b0cf-e25cb385a347" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TradingSecuritiesRealizedLoss"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_TradingSecuritiesRealizedGainLoss_019c4def-6f4b-7ad6-874d-fde4da637994" xlink:to="loc_us-gaap_TradingSecuritiesRealizedLoss_019c4def-6f4b-7304-b0cf-e25cb385a347" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://westwoodgroup.com/role/FairValueofFinancialInstrumentsLevelsDetails" xlink:type="simple" xlink:href="whg-20251231.xsd#FairValueofFinancialInstrumentsLevelsDetails"/>
  <link:calculationLink xlink:role="http://westwoodgroup.com/role/FairValueofFinancialInstrumentsLevelsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueNetAssetLiability_019c4def-6f4c-7b62-aa8b-bfe43d60121e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueNetAssetLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradingSecurities_019c4def-6f4c-7ca8-8a92-11158d4720e4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TradingSecurities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FairValueNetAssetLiability_019c4def-6f4c-7b62-aa8b-bfe43d60121e" xlink:to="loc_us-gaap_TradingSecurities_019c4def-6f4c-7ca8-8a92-11158d4720e4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://westwoodgroup.com/role/IntangibleAssetsDetails1" xlink:type="simple" xlink:href="whg-20251231.xsd#IntangibleAssetsDetails1"/>
  <link:calculationLink xlink:role="http://westwoodgroup.com/role/IntangibleAssetsDetails1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019c4def-6f4c-76d7-bc50-2a6651082612" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019c4def-6f4c-7521-aba6-9c2c4da3db13" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019c4def-6f4c-76d7-bc50-2a6651082612" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019c4def-6f4c-7521-aba6-9c2c4da3db13" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019c4def-6f4c-78ad-9115-991ff8369d60" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019c4def-6f4c-76d7-bc50-2a6651082612" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019c4def-6f4c-78ad-9115-991ff8369d60" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://westwoodgroup.com/role/IncomeTaxesbyjurisdictionDetails" xlink:type="simple" xlink:href="whg-20251231.xsd#IncomeTaxesbyjurisdictionDetails"/>
  <link:calculationLink xlink:role="http://westwoodgroup.com/role/IncomeTaxesbyjurisdictionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c4def-6f4c-71a3-86eb-f3b4f9b6dc3d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_019c4def-6f4c-7c7e-aa87-c9c1b0751f84" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c4def-6f4c-71a3-86eb-f3b4f9b6dc3d" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_019c4def-6f4c-7c7e-aa87-c9c1b0751f84" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_019c4def-6f4c-7cbf-8cf0-0a073cb02cf2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c4def-6f4c-71a3-86eb-f3b4f9b6dc3d" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_019c4def-6f4c-7cbf-8cf0-0a073cb02cf2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://westwoodgroup.com/role/IncomeTaxesEffectivetaxratereconciliationDetails" xlink:type="simple" xlink:href="whg-20251231.xsd#IncomeTaxesEffectivetaxratereconciliationDetails"/>
  <link:calculationLink xlink:role="http://westwoodgroup.com/role/IncomeTaxesEffectivetaxratereconciliationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019c4def-6f4c-72b7-bf31-1f9f2c978cf6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_019c4def-6f4c-7fd3-979b-2a0811a22e2d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4def-6f4c-72b7-bf31-1f9f2c978cf6" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_019c4def-6f4c-7fd3-979b-2a0811a22e2d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_019c4def-6f4c-7283-98f0-3e10f668ba5c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4def-6f4c-72b7-bf31-1f9f2c978cf6" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_019c4def-6f4c-7283-98f0-3e10f668ba5c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxContingenciesDomestic_019c4def-6f4c-7f2d-81f3-70291d6a5f59" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationTaxContingenciesDomestic"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4def-6f4c-72b7-bf31-1f9f2c978cf6" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxContingenciesDomestic_019c4def-6f4c-7f2d-81f3-70291d6a5f59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCredits_019c4def-6f4c-7a9d-8ae6-2126bc2f095a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationTaxCredits"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4def-6f4c-72b7-bf31-1f9f2c978cf6" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCredits_019c4def-6f4c-7a9d-8ae6-2126bc2f095a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_019c4def-6f4c-7c79-9982-5bf1c3aa95c1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4def-6f4c-72b7-bf31-1f9f2c978cf6" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_019c4def-6f4c-7c79-9982-5bf1c3aa95c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings_019c4def-6f4c-79ad-bf5d-b5de837faeb4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4def-6f4c-72b7-bf31-1f9f2c978cf6" xlink:to="loc_us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings_019c4def-6f4c-79ad-bf5d-b5de837faeb4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_019c4def-6f4c-700d-83db-2f71435f6d0c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4def-6f4c-72b7-bf31-1f9f2c978cf6" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_019c4def-6f4c-700d-83db-2f71435f6d0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_whg_GlobalIntangibleLowTaxedIncomeNetDeductions_019c4def-6f4c-7083-aabd-bbb627c7bbc0" xlink:href="whg-20251231.xsd#whg_GlobalIntangibleLowTaxedIncomeNetDeductions"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4def-6f4c-72b7-bf31-1f9f2c978cf6" xlink:to="loc_whg_GlobalIntangibleLowTaxedIncomeNetDeductions_019c4def-6f4c-7083-aabd-bbb627c7bbc0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c4def-6f4c-77b7-bb61-44f822f3dd7b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_019c4def-6f4c-73ae-a800-f9b31d8ea542" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c4def-6f4c-77b7-bb61-44f822f3dd7b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_019c4def-6f4c-73ae-a800-f9b31d8ea542" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_019c4def-6f4c-7f63-a6ab-e744e7e66884" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c4def-6f4c-77b7-bb61-44f822f3dd7b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_019c4def-6f4c-7f63-a6ab-e744e7e66884" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesDomestic_019c4def-6f4c-7d30-80ff-d4548f87aaa1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesDomestic"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c4def-6f4c-77b7-bb61-44f822f3dd7b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingenciesDomestic_019c4def-6f4c-7d30-80ff-d4548f87aaa1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_whg_GlobalIntangibleLowTaxedIncomePercent_019c4def-6f4c-7321-97bc-4af87574498f" xlink:href="whg-20251231.xsd#whg_GlobalIntangibleLowTaxedIncomePercent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c4def-6f4c-77b7-bb61-44f822f3dd7b" xlink:to="loc_whg_GlobalIntangibleLowTaxedIncomePercent_019c4def-6f4c-7321-97bc-4af87574498f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_019c4def-6f4c-71d6-8de7-412953733114" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c4def-6f4c-77b7-bb61-44f822f3dd7b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_019c4def-6f4c-71d6-8de7-412953733114" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_019c4def-6f4c-767e-8112-ef25c2d20ec1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c4def-6f4c-77b7-bb61-44f822f3dd7b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_019c4def-6f4c-767e-8112-ef25c2d20ec1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings_019c4def-6f4c-7240-8d35-0f21470c63cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c4def-6f4c-77b7-bb61-44f822f3dd7b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings_019c4def-6f4c-7240-8d35-0f21470c63cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_019c4def-6f4c-7f44-aeb5-8ae62416de37" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c4def-6f4c-77b7-bb61-44f822f3dd7b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_019c4def-6f4c-7f44-aeb5-8ae62416de37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits_019c4def-6f4c-7cc1-8b50-0deef50e2fe8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019c4def-6f4c-77b7-bb61-44f822f3dd7b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits_019c4def-6f4c-7cc1-8b50-0deef50e2fe8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://westwoodgroup.com/role/IncomeTaxesProvisionComponentsDetails1" xlink:type="simple" xlink:href="whg-20251231.xsd#IncomeTaxesProvisionComponentsDetails1"/>
  <link:calculationLink xlink:role="http://westwoodgroup.com/role/IncomeTaxesProvisionComponentsDetails1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_019c4def-6f4c-7071-83db-e69574858ca0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_019c4def-6f4c-7d31-b81e-6f869ddda561" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_019c4def-6f4c-7071-83db-e69574858ca0" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_019c4def-6f4c-7d31-b81e-6f869ddda561" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_019c4def-6f4c-7fc3-84ed-807e01208bb3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_019c4def-6f4c-7071-83db-e69574858ca0" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_019c4def-6f4c-7fc3-84ed-807e01208bb3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_019c4def-6f4c-7fa6-829a-879f8c859e25" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_019c4def-6f4c-7071-83db-e69574858ca0" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_019c4def-6f4c-7fa6-829a-879f8c859e25" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019c4def-6f4c-7875-8987-c9467777b5a4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_019c4def-6f4c-72ee-9163-86cfad6c5650" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4def-6f4c-7875-8987-c9467777b5a4" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_019c4def-6f4c-72ee-9163-86cfad6c5650" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019c4def-6f4c-73cf-a101-27a83f6d4949" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_019c4def-6f4c-7875-8987-c9467777b5a4" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019c4def-6f4c-73cf-a101-27a83f6d4949" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019c4def-6f4c-759b-bc3e-0c1921d426a8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_019c4def-6f4c-725e-8791-34f208881617" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019c4def-6f4c-759b-bc3e-0c1921d426a8" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_019c4def-6f4c-725e-8791-34f208881617" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_019c4def-6f4c-774b-963c-bc881683fe53" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019c4def-6f4c-759b-bc3e-0c1921d426a8" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_019c4def-6f4c-774b-963c-bc881683fe53" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_019c4def-6f4c-7192-ab4b-fe8371b6c13e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019c4def-6f4c-759b-bc3e-0c1921d426a8" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_019c4def-6f4c-7192-ab4b-fe8371b6c13e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://westwoodgroup.com/role/IncomeTaxesDeferredTaxesDetails2" xlink:type="simple" xlink:href="whg-20251231.xsd#IncomeTaxesDeferredTaxesDetails2"/>
  <link:calculationLink xlink:role="http://westwoodgroup.com/role/IncomeTaxesDeferredTaxesDetails2" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_019c4def-6f4c-7bb3-9977-aad3f81da961" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_019c4def-6f4c-7181-9962-376a261389cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_019c4def-6f4c-7bb3-9977-aad3f81da961" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_019c4def-6f4c-7181-9962-376a261389cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilities_019c4def-6f4c-772b-92bd-3b6d2a029e5d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_019c4def-6f4c-7bb3-9977-aad3f81da961" xlink:to="loc_us-gaap_DeferredTaxLiabilities_019c4def-6f4c-772b-92bd-3b6d2a029e5d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_019c4def-6f4c-74bb-a9cf-c54052b61880" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_019c4def-6f4c-7bf1-8193-1dda4cfa851e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_019c4def-6f4c-74bb-a9cf-c54052b61880" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_019c4def-6f4c-7bf1-8193-1dda4cfa851e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent_019c4def-6f4c-7c6d-86cf-1d84040cc32b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_019c4def-6f4c-74bb-a9cf-c54052b61880" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent_019c4def-6f4c-7c6d-86cf-1d84040cc32b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits_019c4def-6f4c-72b9-86e3-e50005c619ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_019c4def-6f4c-74bb-a9cf-c54052b61880" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits_019c4def-6f4c-72b9-86e3-e50005c619ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies_019c4def-6f4c-73e7-bb32-2a52d2ee18e8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_019c4def-6f4c-74bb-a9cf-c54052b61880" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies_019c4def-6f4c-73e7-bb32-2a52d2ee18e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_019c4def-6f4c-7b6f-8a92-e029bae7b055" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_019c4def-6f4c-74bb-a9cf-c54052b61880" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_019c4def-6f4c-7b6f-8a92-e029bae7b055" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilities_019c4def-6f4c-7231-af19-42902afad5c2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_019c4def-6f4c-7726-bdd0-00a891946d4e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_019c4def-6f4c-7231-af19-42902afad5c2" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_019c4def-6f4c-7726-bdd0-00a891946d4e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_019c4def-6f4c-78df-8b09-7425e1e3060a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_019c4def-6f4c-7231-af19-42902afad5c2" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_019c4def-6f4c-78df-8b09-7425e1e3060a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities_019c4def-6f4c-717d-8d16-d086ad8839fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_019c4def-6f4c-7231-af19-42902afad5c2" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities_019c4def-6f4c-717d-8d16-d086ad8839fb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://westwoodgroup.com/role/EarningsPerShareComputatonofBasicandDilutedEPSDetails" xlink:type="simple" xlink:href="whg-20251231.xsd#EarningsPerShareComputatonofBasicandDilutedEPSDetails"/>
  <link:calculationLink xlink:role="http://westwoodgroup.com/role/EarningsPerShareComputatonofBasicandDilutedEPSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019c4def-700a-7e99-9ef5-a114c21020b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019c4def-700a-7a36-9706-d6b7960de854" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019c4def-700a-7e99-9ef5-a114c21020b3" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019c4def-700a-7a36-9706-d6b7960de854" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_whg_IncrementalCommonSharesAttributableToNonvestedRestrictedShares_019c4def-700a-7f54-8fb6-79eb2380a9f2" xlink:href="whg-20251231.xsd#whg_IncrementalCommonSharesAttributableToNonvestedRestrictedShares"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019c4def-700a-7e99-9ef5-a114c21020b3" xlink:to="loc_whg_IncrementalCommonSharesAttributableToNonvestedRestrictedShares_019c4def-700a-7f54-8fb6-79eb2380a9f2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares_019c4def-700a-77cc-b34b-3c9f2cdc82cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019c4def-700a-7e99-9ef5-a114c21020b3" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares_019c4def-700a-77cc-b34b-3c9f2cdc82cd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://westwoodgroup.com/role/CommitmentsandContingenciesDetails" xlink:type="simple" xlink:href="whg-20251231.xsd#CommitmentsandContingenciesDetails"/>
  <link:calculationLink xlink:role="http://westwoodgroup.com/role/CommitmentsandContingenciesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_019c4def-700b-7284-aa2e-e8ff54562007" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_019c4def-700b-78c5-87d1-2baf2f50c29d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_019c4def-700b-7284-aa2e-e8ff54562007" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_019c4def-700b-78c5-87d1-2baf2f50c29d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_019c4def-700b-7648-abd3-641623b7830a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_019c4def-700b-7284-aa2e-e8ff54562007" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_019c4def-700b-7648-abd3-641623b7830a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_019c4def-700b-7199-bfa5-700ecd43460e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_019c4def-700b-7284-aa2e-e8ff54562007" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_019c4def-700b-7199-bfa5-700ecd43460e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_019c4def-700b-7c56-8eb1-a4eab82f9546" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_019c4def-700b-7284-aa2e-e8ff54562007" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_019c4def-700b-7c56-8eb1-a4eab82f9546" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_019c4def-700b-7a96-8594-350dda1b453f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_019c4def-700b-7284-aa2e-e8ff54562007" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_019c4def-700b-7a96-8594-350dda1b453f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_019c4def-700b-7202-ad04-85a832df508b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_019c4def-700b-7284-aa2e-e8ff54562007" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_019c4def-700b-7202-ad04-85a832df508b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://westwoodgroup.com/role/SegmentReportingDetails" xlink:type="simple" xlink:href="whg-20251231.xsd#SegmentReportingDetails"/>
  <link:calculationLink xlink:role="http://westwoodgroup.com/role/SegmentReportingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_019c4def-700b-7b21-b38c-140f34afd08e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_019c4def-700b-7459-b206-9bbc313021ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_019c4def-700b-7b21-b38c-140f34afd08e" xlink:to="loc_us-gaap_DepreciationAndAmortization_019c4def-700b-7459-b206-9bbc313021ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_019c4def-700b-778d-bf17-f9afaa16a668" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherCostAndExpenseOperating"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_019c4def-700b-7b21-b38c-140f34afd08e" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_019c4def-700b-778d-bf17-f9afaa16a668" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019c4def-700b-7213-b0f8-3f42a0d6ba49" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:loc xlink:type="locator" xlink:label="loc_whg_RevenueFromExternalSources_019c4def-700b-7f65-b553-837a4751eddf" xlink:href="whg-20251231.xsd#whg_RevenueFromExternalSources"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_019c4def-700b-7213-b0f8-3f42a0d6ba49" xlink:to="loc_whg_RevenueFromExternalSources_019c4def-700b-7f65-b553-837a4751eddf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_whg_NetIntersegmentRevenues_019c4def-700b-7424-9ee4-6f184663d520" xlink:href="whg-20251231.xsd#whg_NetIntersegmentRevenues"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_019c4def-700b-7213-b0f8-3f42a0d6ba49" xlink:to="loc_whg_NetIntersegmentRevenues_019c4def-700b-7424-9ee4-6f184663d520" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeNet_019c4def-700b-747d-8cd1-98e9ec4ba83e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentIncomeNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_019c4def-700b-7213-b0f8-3f42a0d6ba49" xlink:to="loc_us-gaap_InvestmentIncomeNet_019c4def-700b-747d-8cd1-98e9ec4ba83e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_whg_Otherrevenue_019c4def-700b-7252-8fb4-7220ee2e5356" xlink:href="whg-20251231.xsd#whg_Otherrevenue"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_019c4def-700b-7213-b0f8-3f42a0d6ba49" xlink:to="loc_whg_Otherrevenue_019c4def-700b-7252-8fb4-7220ee2e5356" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
