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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:147c7301-e75a-4e02-8751-858a6713a8eb,g:6d1f9df8-49b9-4624-a3c4-75dc32fb4f3f-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:whg="http://westwoodgroup.com/20241231" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types1="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://westwoodgroup.com/20241231">
  <xs:import namespace="http://fasb.org/srt/2023" schemaLocation="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2023" schemaLocation="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2023" schemaLocation="https://xbrl.sec.gov/country/2023/country-2023.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2023" schemaLocation="https://xbrl.sec.gov/dei/2023/dei-2023.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="whg-20241231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="whg-20241231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="whg-20241231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="whg-20241231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="Cover" roleURI="http://westwoodgroup.com/role/Cover">
        <link:definition>0000001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AuditInformation" roleURI="http://westwoodgroup.com/role/AuditInformation">
        <link:definition>0000002 - Document - Audit Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DocumentandEntityInformation" roleURI="http://westwoodgroup.com/role/DocumentandEntityInformation">
        <link:definition>0000003 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDBALANCESHEETS" roleURI="http://westwoodgroup.com/role/CONSOLIDATEDBALANCESHEETS">
        <link:definition>0000004 - Statement - CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDBALANCESHEETSParenthetical" roleURI="http://westwoodgroup.com/role/CONSOLIDATEDBALANCESHEETSParenthetical">
        <link:definition>0000005 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" roleURI="http://westwoodgroup.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME">
        <link:definition>0000006 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTsOFSTOCKHOLDERSEQUITY" roleURI="http://westwoodgroup.com/role/CONSOLIDATEDSTATEMENTsOFSTOCKHOLDERSEQUITY">
        <link:definition>0000007 - Statement - CONSOLIDATED STATEMENTs OF STOCKHOLDERS' EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYParenthetical" roleURI="http://westwoodgroup.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYParenthetical">
        <link:definition>0000008 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONSOLIDATEDSTATEMENTSOFCASHFLOWS" roleURI="http://westwoodgroup.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS">
        <link:definition>0000009 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DescriptionoftheBusiness" roleURI="http://westwoodgroup.com/role/DescriptionoftheBusiness">
        <link:definition>0000010 - Disclosure - Description of the Business</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPolicies" roleURI="http://westwoodgroup.com/role/SummaryofSignificantAccountingPolicies">
        <link:definition>0000011 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Investments" roleURI="http://westwoodgroup.com/role/Investments">
        <link:definition>0000012 - Disclosure - Investments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueofFinancialInstruments" roleURI="http://westwoodgroup.com/role/FairValueofFinancialInstruments">
        <link:definition>0000013 - Disclosure - Fair Value of Financial Instruments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandOtherIntangibleAssets" roleURI="http://westwoodgroup.com/role/GoodwillandOtherIntangibleAssets">
        <link:definition>0000014 - Disclosure - Goodwill and Other Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BalanceSheetComponents" roleURI="http://westwoodgroup.com/role/BalanceSheetComponents">
        <link:definition>0000015 - Disclosure - Balance Sheet Components</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://westwoodgroup.com/role/IncomeTaxes">
        <link:definition>0000016 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RegulatoryCapitalRequirements" roleURI="http://westwoodgroup.com/role/RegulatoryCapitalRequirements">
        <link:definition>0000017 - Disclosure - Regulatory Capital Requirements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueNotes" roleURI="http://westwoodgroup.com/role/RevenueNotes">
        <link:definition>0000018 - Disclosure - Revenue (Notes)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefits" roleURI="http://westwoodgroup.com/role/EmployeeBenefits">
        <link:definition>0000019 - Disclosure - Employee Benefits</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShare" roleURI="http://westwoodgroup.com/role/EarningsPerShare">
        <link:definition>0000020 - Disclosure - Earnings Per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntities" roleURI="http://westwoodgroup.com/role/VariableInterestEntities">
        <link:definition>0000021 - Disclosure - Variable Interest Entities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactions" roleURI="http://westwoodgroup.com/role/RelatedPartyTransactions">
        <link:definition>0000022 - Disclosure - Related Party Transactions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingencies" roleURI="http://westwoodgroup.com/role/CommitmentsandContingencies">
        <link:definition>0000023 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReporting" roleURI="http://westwoodgroup.com/role/SegmentReporting">
        <link:definition>0000024 - Disclosure - Segment Reporting</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Concentration" roleURI="http://westwoodgroup.com/role/Concentration">
        <link:definition>0000025 - Disclosure - Concentration</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEvents" roleURI="http://westwoodgroup.com/role/SubsequentEvents">
        <link:definition>0000026 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="QuarterlyFinancialData" roleURI="http://westwoodgroup.com/role/QuarterlyFinancialData">
        <link:definition>0000027 - Disclosure - Quarterly Financial Data</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesCodificationTopic842" roleURI="http://westwoodgroup.com/role/LeasesCodificationTopic842">
        <link:definition>0000028 - Disclosure - Leases, Codification Topic 842</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessCombinationsandAssetAcquisitions" roleURI="http://westwoodgroup.com/role/BusinessCombinationsandAssetAcquisitions">
        <link:definition>0000029 - Disclosure - Business Combinations and Asset Acquisitions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesPolicies" roleURI="http://westwoodgroup.com/role/SummaryofSignificantAccountingPoliciesPolicies">
        <link:definition>9954471 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenuePolicies" roleURI="http://westwoodgroup.com/role/RevenuePolicies">
        <link:definition>9954472 - Disclosure - Revenue (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerSharePolicies" roleURI="http://westwoodgroup.com/role/EarningsPerSharePolicies">
        <link:definition>9954473 - Disclosure - Earnings Per Share (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DescriptionoftheBusinessDivestitureofOmahaOperationsTables" roleURI="http://westwoodgroup.com/role/DescriptionoftheBusinessDivestitureofOmahaOperationsTables">
        <link:definition>9954474 - Disclosure - Description of the Business Divestiture of Omaha Operations (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsTables" roleURI="http://westwoodgroup.com/role/InvestmentsTables">
        <link:definition>9954475 - Disclosure - Investments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueofFinancialInstrumentsTables" roleURI="http://westwoodgroup.com/role/FairValueofFinancialInstrumentsTables">
        <link:definition>9954476 - Disclosure - Fair Value of Financial Instruments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandOtherIntangibleAssetsTables" roleURI="http://westwoodgroup.com/role/GoodwillandOtherIntangibleAssetsTables">
        <link:definition>9954477 - Disclosure - Goodwill and Other Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BalanceSheetComponentsTables" roleURI="http://westwoodgroup.com/role/BalanceSheetComponentsTables">
        <link:definition>9954478 - Disclosure - Balance Sheet Components (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTables" roleURI="http://westwoodgroup.com/role/IncomeTaxesTables">
        <link:definition>9954479 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueTables" roleURI="http://westwoodgroup.com/role/RevenueTables">
        <link:definition>9954480 - Disclosure - Revenue (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitsTables" roleURI="http://westwoodgroup.com/role/EmployeeBenefitsTables">
        <link:definition>9954481 - Disclosure - Employee Benefits (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareTables" roleURI="http://westwoodgroup.com/role/EarningsPerShareTables">
        <link:definition>9954482 - Disclosure - Earnings Per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntitiesTables" roleURI="http://westwoodgroup.com/role/VariableInterestEntitiesTables">
        <link:definition>9954483 - Disclosure - Variable Interest Entities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesTables" roleURI="http://westwoodgroup.com/role/CommitmentsandContingenciesTables">
        <link:definition>9954484 - Disclosure - Commitments and Contingencies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingTables" roleURI="http://westwoodgroup.com/role/SegmentReportingTables">
        <link:definition>9954485 - Disclosure - Segment Reporting (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConcentrationTables" roleURI="http://westwoodgroup.com/role/ConcentrationTables">
        <link:definition>9954486 - Disclosure - Concentration (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="QuarterlyFinancialDataTables" roleURI="http://westwoodgroup.com/role/QuarterlyFinancialDataTables">
        <link:definition>9954487 - Disclosure - Quarterly Financial Data (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesCodificationTopic842Tables" roleURI="http://westwoodgroup.com/role/LeasesCodificationTopic842Tables">
        <link:definition>9954488 - Disclosure - Leases, Codification Topic 842 (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessCombinationsandAssetAcquisitionsTables" roleURI="http://westwoodgroup.com/role/BusinessCombinationsandAssetAcquisitionsTables">
        <link:definition>9954489 - Disclosure - Business Combinations and Asset Acquisitions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DescriptionoftheBusinessDetailsTextual" roleURI="http://westwoodgroup.com/role/DescriptionoftheBusinessDetailsTextual">
        <link:definition>9954490 - Disclosure - Description of the Business (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DescriptionoftheBusinessDetails" roleURI="http://westwoodgroup.com/role/DescriptionoftheBusinessDetails">
        <link:definition>9954491 - Disclosure - Description of the Business (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesDetailsTextual" roleURI="http://westwoodgroup.com/role/SummaryofSignificantAccountingPoliciesDetailsTextual">
        <link:definition>9954492 - Disclosure - Summary of Significant Accounting Policies (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesNewAccountingPronouncementsorChangeinAccountingPrincipleDetails" roleURI="http://westwoodgroup.com/role/SummaryofSignificantAccountingPoliciesNewAccountingPronouncementsorChangeinAccountingPrincipleDetails">
        <link:definition>9954493 - Disclosure - Summary of Significant Accounting Policies New Accounting Pronouncements or Change in Accounting Principle (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsTradingSecuritiesFVDetails" roleURI="http://westwoodgroup.com/role/InvestmentsTradingSecuritiesFVDetails">
        <link:definition>9954494 - Disclosure - Investments (Trading Securities FV) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsOtherRevenueDetails1" roleURI="http://westwoodgroup.com/role/InvestmentsOtherRevenueDetails1">
        <link:definition>9954495 - Disclosure - Investments (Other Revenue) (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsDetailsTextual" roleURI="http://westwoodgroup.com/role/InvestmentsDetailsTextual">
        <link:definition>9954496 - Disclosure - Investments (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsPrivateEquityInvestmentDetails2" roleURI="http://westwoodgroup.com/role/InvestmentsPrivateEquityInvestmentDetails2">
        <link:definition>9954497 - Disclosure - Investments Private Equity Investment (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentsDetails" roleURI="http://westwoodgroup.com/role/InvestmentsDetails">
        <link:definition>9954498 - Disclosure - Investments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueofFinancialInstrumentsLevelsDetails" roleURI="http://westwoodgroup.com/role/FairValueofFinancialInstrumentsLevelsDetails">
        <link:definition>9954499 - Disclosure - Fair Value of Financial Instruments (Levels) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandOtherIntangibleAssetsDetails" roleURI="http://westwoodgroup.com/role/GoodwillandOtherIntangibleAssetsDetails">
        <link:definition>9954500 - Disclosure - Goodwill and Other Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleAssetsDetails1" roleURI="http://westwoodgroup.com/role/IntangibleAssetsDetails1">
        <link:definition>9954501 - Disclosure - Intangible Assets (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandOtherIntangibleAssetsEstimatedAmortizationDetails2" roleURI="http://westwoodgroup.com/role/GoodwillandOtherIntangibleAssetsEstimatedAmortizationDetails2">
        <link:definition>9954502 - Disclosure - Goodwill and Other Intangible Assets (Estimated Amortization) (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandOtherIntangibleAssetsIntangibleAssetsdisposedDetails" roleURI="http://westwoodgroup.com/role/GoodwillandOtherIntangibleAssetsIntangibleAssetsdisposedDetails">
        <link:definition>9954503 - Disclosure - Goodwill and Other Intangible Assets Intangible Assets disposed (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BalanceSheetComponentsDetails" roleURI="http://westwoodgroup.com/role/BalanceSheetComponentsDetails">
        <link:definition>9954504 - Disclosure - Balance Sheet Components (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BalanceSheetComponentsDetails1" roleURI="http://westwoodgroup.com/role/BalanceSheetComponentsDetails1">
        <link:definition>9954505 - Disclosure - Balance Sheet Components (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesbyjurisdictionDetails" roleURI="http://westwoodgroup.com/role/IncomeTaxesbyjurisdictionDetails">
        <link:definition>9954506 - Disclosure - Income Taxes (by jurisdiction) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetailsTextual" roleURI="http://westwoodgroup.com/role/IncomeTaxesDetailsTextual">
        <link:definition>9954507 - Disclosure - Income Taxes (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesEffectivetaxratereconciliationDetails" roleURI="http://westwoodgroup.com/role/IncomeTaxesEffectivetaxratereconciliationDetails">
        <link:definition>9954508 - Disclosure - Income Taxes (Effective tax rate reconciliation) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesProvisionComponentsDetails1" roleURI="http://westwoodgroup.com/role/IncomeTaxesProvisionComponentsDetails1">
        <link:definition>9954509 - Disclosure - Income Taxes (Provision Components) (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDeferredTaxesDetails2" roleURI="http://westwoodgroup.com/role/IncomeTaxesDeferredTaxesDetails2">
        <link:definition>9954510 - Disclosure - Income Taxes (Deferred Taxes) (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDetails3" roleURI="http://westwoodgroup.com/role/IncomeTaxesDetails3">
        <link:definition>9954511 - Disclosure - Income Taxes (Details 3)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesIncomeTaxesUncertainTaxPositionsDetails4" roleURI="http://westwoodgroup.com/role/IncomeTaxesIncomeTaxesUncertainTaxPositionsDetails4">
        <link:definition>9954512 - Disclosure - Income Taxes Income Taxes (Uncertain Tax Positions) (Details 4)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RegulatoryCapitalRequirementsDetails" roleURI="http://westwoodgroup.com/role/RegulatoryCapitalRequirementsDetails">
        <link:definition>9954513 - Disclosure - Regulatory Capital Requirements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueRevenueDisaggregatedDetails" roleURI="http://westwoodgroup.com/role/RevenueRevenueDisaggregatedDetails">
        <link:definition>9954514 - Disclosure - Revenue Revenue Disaggregated (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitsDetailsTextual" roleURI="http://westwoodgroup.com/role/EmployeeBenefitsDetailsTextual">
        <link:definition>9954515 - Disclosure - Employee Benefits (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitsStockCompExpenseSummarytableDetails" roleURI="http://westwoodgroup.com/role/EmployeeBenefitsStockCompExpenseSummarytableDetails">
        <link:definition>9954516 - Disclosure - Employee Benefits (Stock Comp Expense Summary table) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitsDetails1" roleURI="http://westwoodgroup.com/role/EmployeeBenefitsDetails1">
        <link:definition>9954517 - Disclosure - Employee Benefits (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitsServiceGrantsandVestsDetails" roleURI="http://westwoodgroup.com/role/EmployeeBenefitsServiceGrantsandVestsDetails">
        <link:definition>9954518 - Disclosure - Employee Benefits (Service Grants and Vests) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitsPerformanceGrantsandVestsDetails" roleURI="http://westwoodgroup.com/role/EmployeeBenefitsPerformanceGrantsandVestsDetails">
        <link:definition>9954519 - Disclosure - Employee Benefits (Performance Grants and Vests) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeBenefitsProfitSharingand401kDetails" roleURI="http://westwoodgroup.com/role/EmployeeBenefitsProfitSharingand401kDetails">
        <link:definition>9954520 - Disclosure - Employee Benefits (Profit Sharing and 401k) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareAntidilutiveSharesDetails" roleURI="http://westwoodgroup.com/role/EarningsPerShareAntidilutiveSharesDetails">
        <link:definition>9954521 - Disclosure - Earnings Per Share (Anti-dilutive Shares) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareComputatonofBasicandDilutedEPSDetails" roleURI="http://westwoodgroup.com/role/EarningsPerShareComputatonofBasicandDilutedEPSDetails">
        <link:definition>9954522 - Disclosure - Earnings Per Share (Computaton of Basic and Diluted EPS) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntitiesDetailsTextual" roleURI="http://westwoodgroup.com/role/VariableInterestEntitiesDetailsTextual">
        <link:definition>9954523 - Disclosure - Variable Interest Entities (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntitiesDetails" roleURI="http://westwoodgroup.com/role/VariableInterestEntitiesDetails">
        <link:definition>9954524 - Disclosure - Variable Interest Entities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactionsDetailsTextual" roleURI="http://westwoodgroup.com/role/RelatedPartyTransactionsDetailsTextual">
        <link:definition>9954525 - Disclosure - Related Party Transactions (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesDetailsTextual" roleURI="http://westwoodgroup.com/role/CommitmentsandContingenciesDetailsTextual">
        <link:definition>9954526 - Disclosure - Commitments and Contingencies (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesDetails" roleURI="http://westwoodgroup.com/role/CommitmentsandContingenciesDetails">
        <link:definition>9954527 - Disclosure - Commitments and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingDetailsTextual" roleURI="http://westwoodgroup.com/role/SegmentReportingDetailsTextual">
        <link:definition>9954528 - Disclosure - Segment Reporting (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingDetails" roleURI="http://westwoodgroup.com/role/SegmentReportingDetails">
        <link:definition>9954529 - Disclosure - Segment Reporting (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingReconciliationofNetIncometoEconomicEarningsDetails" roleURI="http://westwoodgroup.com/role/SegmentReportingReconciliationofNetIncometoEconomicEarningsDetails">
        <link:definition>9954530 - Disclosure - Segment Reporting - Reconciliation of Net Income to Economic Earnings (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentReportingPropertyandEquipmentNetbyGeographicAreaDetails" roleURI="http://westwoodgroup.com/role/SegmentReportingPropertyandEquipmentNetbyGeographicAreaDetails">
        <link:definition>9954531 - Disclosure - Segment Reporting - Property and Equipment, Net by Geographic Area (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConcentrationDetailsTextual" roleURI="http://westwoodgroup.com/role/ConcentrationDetailsTextual">
        <link:definition>9954532 - Disclosure - Concentration (Details Textual)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConcentrationDetails" roleURI="http://westwoodgroup.com/role/ConcentrationDetails">
        <link:definition>9954533 - Disclosure - Concentration (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventDetails" roleURI="http://westwoodgroup.com/role/SubsequentEventDetails">
        <link:definition>9954534 - Disclosure - Subsequent Event (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventsDetails" roleURI="http://westwoodgroup.com/role/SubsequentEventsDetails">
        <link:definition>9954535 - Disclosure - Subsequent Events (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="QuarterlyFinancialDataDetails" roleURI="http://westwoodgroup.com/role/QuarterlyFinancialDataDetails">
        <link:definition>9954536 - Disclosure - Quarterly Financial Data (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesCodificationTopic842Details" roleURI="http://westwoodgroup.com/role/LeasesCodificationTopic842Details">
        <link:definition>9954537 - Disclosure - Leases, Codification Topic 842 (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessCombinationsandAssetAcquisitionsDetails" roleURI="http://westwoodgroup.com/role/BusinessCombinationsandAssetAcquisitionsDetails">
        <link:definition>9954538 - Disclosure - Business Combinations and Asset Acquisitions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="whg_DocumentAndEntityInformationAbstract" abstract="true" name="DocumentAndEntityInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="whg_InvestmentsUnderFairValueMeasurementAlternative" abstract="false" name="InvestmentsUnderFairValueMeasurementAlternative" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_DividendsPayableNonCurrent" abstract="false" name="DividendsPayableNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_TrustPerformanceBasedFeesMember" abstract="true" name="TrustPerformanceBasedFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_OtherRevenueNet" abstract="false" name="OtherRevenueNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_MutualFundAdministrationAndDistribution" abstract="false" name="MutualFundAdministrationAndDistribution" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification" abstract="false" name="NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_AccumulatedOtherComprehensiveIncomeLossTax" abstract="false" name="AccumulatedOtherComprehensiveIncomeLossTax" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_TreasuryStockSharesAcquiredEmployeeStockPlan" abstract="false" name="TreasuryStockSharesAcquiredEmployeeStockPlan" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="whg_TreasuryStockValueAcquiredCostMethodEmployeeStockPlan" abstract="false" name="TreasuryStockValueAcquiredCostMethodEmployeeStockPlan" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_TreasuryStockAcquiredEmployeeStockPlan" abstract="false" name="TreasuryStockAcquiredEmployeeStockPlan" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_BusinessCombinationAcquisitionOfLessThan100PercentOfBroadmarkNoncontontrollingInterest" abstract="false" name="BusinessCombinationAcquisitionOfLessThan100PercentOfBroadmarkNoncontontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_RealizedGainsOnPrivateInvestments" abstract="false" name="RealizedGainsOnPrivateInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_Gainonsaleofoperations" abstract="false" name="Gainonsaleofoperations" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_PaymentforRepurchasesofStockforBenefitPlan" abstract="false" name="PaymentforRepurchasesofStockforBenefitPlan" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_DividendsDeclared" abstract="false" name="DividendsDeclared" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_NoncashTenantImprovements" abstract="false" name="NoncashTenantImprovements" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_NonCashAccruedPPE" abstract="false" name="NonCashAccruedPPE" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_BankingAndThriftAbstract" abstract="true" name="BankingAndThriftAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="whg_VariableInterestEntitiesAbstract" abstract="true" name="VariableInterestEntitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="whg_FiniteLivedIntangibleAssetsDisposedTableTextBlock" abstract="false" name="FiniteLivedIntangibleAssetsDisposedTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="whg_RevenueDisaggregationbyGeographicLocationTableTextBlock" abstract="false" name="RevenueDisaggregationbyGeographicLocationTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="whg_RestrictedStockSubjectOnlyToServiceConditionMember" abstract="true" name="RestrictedStockSubjectOnlyToServiceConditionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_RestrictedSharesSubjectToServiceAndPerformanceConditionsMember" abstract="true" name="RestrictedSharesSubjectToServiceAndPerformanceConditionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_ShareBasedCompensationAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValueAndFairValueOfSharesVestedTableTextBlock" abstract="false" name="ShareBasedCompensationAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValueAndFairValueOfSharesVestedTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="whg_ScheduleofEconomicEarningsTableTextBlock" abstract="false" name="ScheduleofEconomicEarningsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="whg_SignificantAccountingPolicyTable" abstract="true" name="SignificantAccountingPolicyTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="whg_AdoptionofASU201609Member" abstract="true" name="AdoptionofASU201609Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_WestwoodInternationalAdvisorsIncMember" abstract="true" name="WestwoodInternationalAdvisorsIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_CanadianPlanMember" abstract="true" name="CanadianPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_ScheduleOfSignificantAccountingPoliciesLineItems" abstract="true" name="ScheduleOfSignificantAccountingPoliciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="whg_TaxrateexcludingASU201609adoption" abstract="false" name="TaxrateexcludingASU201609adoption" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_SeedMoneyInvestment" abstract="false" name="SeedMoneyInvestment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_EstimatedleaseassetandnetleaseliabilityforASU201602" abstract="false" name="EstimatedleaseassetandnetleaseliabilityforASU201602" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_UsGaap_EquitySecuritiesMemberMember" abstract="true" name="UsGaap_EquitySecuritiesMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_IncomeTaxBenefitExpenseOnSecuritiesTransactions" abstract="false" name="IncomeTaxBenefitExpenseOnSecuritiesTransactions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_UndertakingForCollectiveInvestmentInTransferableSecuritiesMember" abstract="true" name="UndertakingForCollectiveInvestmentInTransferableSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_UnrealizedGainsLossesOnPrivateInvestments" abstract="false" name="UnrealizedGainsLossesOnPrivateInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_LongTermInvestmentsCostInAPrivateCompany" abstract="false" name="LongTermInvestmentsCostInAPrivateCompany" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_CarryingValuePrivateInvestment" abstract="false" name="CarryingValuePrivateInvestment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_InvestmentCarryingValueVista" abstract="false" name="InvestmentCarryingValueVista" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_LongTermInvestmentAtCostInPrivateEquity" abstract="false" name="LongTermInvestmentAtCostInPrivateEquity" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_LongTermInvestmentAtCostInAPrivateInvestmentFund" abstract="false" name="LongTermInvestmentAtCostInAPrivateInvestmentFund" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_UnrealizedGainOnPrivateEquityInvestment" abstract="false" name="UnrealizedGainOnPrivateEquityInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_PrivateEquityInvestmentCommitment" abstract="false" name="PrivateEquityInvestmentCommitment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_PrivateEquityInvestmentPurchase" abstract="false" name="PrivateEquityInvestmentPurchase" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_ZarvonaEnergyFundIIALPDomain" abstract="true" name="ZarvonaEnergyFundIIALPDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_BroadmarkAssetManagementLLCDomain" abstract="true" name="BroadmarkAssetManagementLLCDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_SalientMLPTotalReturnFundLPDomain" abstract="true" name="SalientMLPTotalReturnFundLPDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_SalientMLPTotalReturnTEFundLPDomain" abstract="true" name="SalientMLPTotalReturnTEFundLPDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_TotalMember" abstract="true" name="TotalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_ZarvonaEnergyFundGPLPDomain" abstract="true" name="ZarvonaEnergyFundGPLPDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_TotalInvestments" abstract="false" name="TotalInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_InvestCloudPrivateInvestment" abstract="false" name="InvestCloudPrivateInvestment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_WEBsPreferredStock" abstract="false" name="WEBsPreferredStock" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_WEBsCallOption" abstract="false" name="WEBsCallOption" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_TXSEPrivateInvestment" abstract="false" name="TXSEPrivateInvestment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_TotalInvestmentsUnderMeasurementAlternative" abstract="false" name="TotalInvestmentsUnderMeasurementAlternative" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_FairValueHierarchyIncludingNAVAxis" abstract="true" name="FairValueHierarchyIncludingNAVAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="whg_FairValueHierarchyIncludingNAVDomain" abstract="true" name="FairValueHierarchyIncludingNAVDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_InputsNetAssetValueMember" abstract="true" name="InputsNetAssetValueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_PrivateEquityInvestmentsMember" abstract="true" name="PrivateEquityInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_UnobservableInputBookValueMultipleMinimum" abstract="false" name="UnobservableInputBookValueMultipleMinimum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="whg_UnobservableInputBookValueMultipleMaximum" abstract="false" name="UnobservableInputBookValueMultipleMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="whg_UnobservableInputBookValueMultipleWeightedAverage" abstract="false" name="UnobservableInputBookValueMultipleWeightedAverage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="whg_UnobservableInputRevenueRetentionDiscountRateMinimum" abstract="false" name="UnobservableInputRevenueRetentionDiscountRateMinimum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_UnobservableInputRevenueRetentionDiscountRateMaximum" abstract="false" name="UnobservableInputRevenueRetentionDiscountRateMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_UnobservableInputRevenueRetentionVolatilityMaximum" abstract="false" name="UnobservableInputRevenueRetentionVolatilityMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_UnobservableInputRevenueRetentionVolatilityMinimum" abstract="false" name="UnobservableInputRevenueRetentionVolatilityMinimum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_UnobservableInputRevenueRetentionDiscountRateWeightedAverage" abstract="false" name="UnobservableInputRevenueRetentionDiscountRateWeightedAverage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_UnobservableInputRevenueRetentionVolatilityWeightedAverage" abstract="false" name="UnobservableInputRevenueRetentionVolatilityWeightedAverage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_UnobservableInputGrowthDiscountRateWeightedAverage" abstract="false" name="UnobservableInputGrowthDiscountRateWeightedAverage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_UnobservableInputGrowthDiscountRateMaximum" abstract="false" name="UnobservableInputGrowthDiscountRateMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_UnobservableInputGrowthDiscountRateMinimum" abstract="false" name="UnobservableInputGrowthDiscountRateMinimum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_UnobservableInputGrowthVolatilityWeightedAverage" abstract="false" name="UnobservableInputGrowthVolatilityWeightedAverage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_UnobservableInputGrowthVolatilityMaximum" abstract="false" name="UnobservableInputGrowthVolatilityMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_UnobservableInputGrowthVolatilityMinimum" abstract="false" name="UnobservableInputGrowthVolatilityMinimum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_TrustSegmentGoodwill" abstract="false" name="TrustSegmentGoodwill" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_AdvisorySegmentGoodwill" abstract="false" name="AdvisorySegmentGoodwill" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_BalanceAtDecember312021" abstract="false" name="BalanceAtDecember312021" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_AdjustedGoodwillAdvisorySegment" abstract="false" name="AdjustedGoodwillAdvisorySegment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_AdjustedGoodwillTotal" abstract="false" name="AdjustedGoodwillTotal" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_AcquiredGoodwillTotal" abstract="false" name="AcquiredGoodwillTotal" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_FiniteLivedIntangiblesExpectedAmortizationThereafter" abstract="false" name="FiniteLivedIntangiblesExpectedAmortizationThereafter" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_FiniteLivedIntangibleAssetsDisposedAbstract" abstract="true" name="FiniteLivedIntangibleAssetsDisposedAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="whg_FiniteLivedIntangibleAssetsDisposedTable" abstract="true" name="FiniteLivedIntangibleAssetsDisposedTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="whg_FiniteLivedIntangibleAssetsDisposedLineItems" abstract="true" name="FiniteLivedIntangibleAssetsDisposedLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="whg_FiniteLivedIntangibleAssetsSoldAccumulatedAmortization" abstract="false" name="FiniteLivedIntangibleAssetsSoldAccumulatedAmortization" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_FiniteLivedIntangibleAssetsSoldNet" abstract="false" name="FiniteLivedIntangibleAssetsSoldNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_FiniteLivedIntangibleAssetsSoldGross" abstract="false" name="FiniteLivedIntangibleAssetsSoldGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_ComputerHardwareAndOfficeEquipmentMember" abstract="true" name="ComputerHardwareAndOfficeEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_TaxReformTable" abstract="true" name="TaxReformTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="whg_TaxReformAxis" abstract="true" name="TaxReformAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="whg_TaxReformDomain" abstract="true" name="TaxReformDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_TaxReformLineItems" abstract="true" name="TaxReformLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="whg_RepatriationEarningsandProfits" abstract="false" name="RepatriationEarningsandProfits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_SignificantChangeinIncomeTaxProvisionisReasonablyPossibleAmountofUnrecordedBenefit" abstract="false" name="SignificantChangeinIncomeTaxProvisionisReasonablyPossibleAmountofUnrecordedBenefit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_GlobalIntangibleLowTaxedIncomeNetDeductions" abstract="false" name="GlobalIntangibleLowTaxedIncomeNetDeductions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_GlobalIntangibleLowTaxedIncomePercent" abstract="false" name="GlobalIntangibleLowTaxedIncomePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_TaxCreditsusedtopayFederalcashtaxes" abstract="false" name="TaxCreditsusedtopayFederalcashtaxes" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_SCLPNetCapital" abstract="false" name="SCLPNetCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_SCLPNetCapitalExcess" abstract="false" name="SCLPNetCapitalExcess" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_SCLPMinimumNetCapital" abstract="false" name="SCLPMinimumNetCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_AdvisoryMember" abstract="true" name="AdvisoryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_TrustMember" abstract="true" name="TrustMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_OtherRevenueMiscServicesMember" abstract="true" name="OtherRevenueMiscServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_PerformancefeeMember" abstract="true" name="PerformancefeeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_TrustFeeMember" abstract="true" name="TrustFeeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_InvestmentAdvisoryServicesMember" abstract="true" name="InvestmentAdvisoryServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_MutualFundAdvisoryMemberMember" abstract="true" name="MutualFundAdvisoryMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_PrivateWealthAdvisoryMember" abstract="true" name="PrivateWealthAdvisoryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_TrustPerformanceBasedMember" abstract="true" name="TrustPerformanceBasedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_BenefitPlansMember" abstract="true" name="BenefitPlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_UCITSFundMember" abstract="true" name="UCITSFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_PerformanceBasedRestrictedSharesForFuturePerformanceYearsMember" abstract="true" name="PerformanceBasedRestrictedSharesForFuturePerformanceYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_EmployeeMember" abstract="true" name="EmployeeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_ShareBasedCompensationAwardTrancheFourMember" abstract="true" name="ShareBasedCompensationAwardTrancheFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_FundPurchasesOfCommonStock" abstract="false" name="FundPurchasesOfCommonStock" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_ShareBasedCompensationArrangementByShareBasedPaymentAwardAvailableForGrant" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAvailableForGrant" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_SharePretaxIncomeGoal" abstract="false" name="SharePretaxIncomeGoal" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_SharePretaxIncomeGoalSlidingScaleAward" abstract="false" name="SharePretaxIncomeGoalSlidingScaleAward" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_PercentageofPretaxincomeGoalEarned" abstract="false" name="PercentageofPretaxincomeGoalEarned" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsIssuedAndOutstandingInPeriodGross" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsIssuedAndOutstandingInPeriodGross" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="whg_ShareBasedCompensationArrangementWithIndividualRequisiteServicePeriod" abstract="false" name="ShareBasedCompensationArrangementWithIndividualRequisiteServicePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="whg_MutualFundIncentiveAwardLiability" abstract="false" name="MutualFundIncentiveAwardLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_DefinedContributionPlanSpecifiedPeriodOfServiceForEmployerProfitSharingContributionsToBeFullyVested" abstract="false" name="DefinedContributionPlanSpecifiedPeriodOfServiceForEmployerProfitSharingContributionsToBeFullyVested" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="whg_MutualFundIncentiveAwardExpense" abstract="false" name="MutualFundIncentiveAwardExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_UnvestedMutualFundAwards" abstract="false" name="UnvestedMutualFundAwards" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_MutualFundAwardLiability" abstract="false" name="MutualFundAwardLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_StockBasedCompensationExpenseSubjectToServiceConditionMember" abstract="true" name="StockBasedCompensationExpenseSubjectToServiceConditionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_StockBasedCompensationExpenseSubjectToPerformanceConditionMember" abstract="true" name="StockBasedCompensationExpenseSubjectToPerformanceConditionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_StockBasedCompensationExpenseMember" abstract="true" name="StockBasedCompensationExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_CanadianPlanRestrictedStockExpenseMember" abstract="true" name="CanadianPlanRestrictedStockExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_RestrictedSharesSubjectToServiceConditionMember" abstract="true" name="RestrictedSharesSubjectToServiceConditionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_ShareBasedCompensationAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValueAndFairValueOfSharesVestedAbstract" abstract="true" name="ShareBasedCompensationAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValueAndFairValueOfSharesVestedAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="whg_ProfitSharingAndContributionsAbstract" abstract="true" name="ProfitSharingAndContributionsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="whg_ProfitSharingContribution" abstract="false" name="ProfitSharingContribution" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_IncrementalCommonSharesAttributableToNonvestedRestrictedShares" abstract="false" name="IncrementalCommonSharesAttributableToNonvestedRestrictedShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="whg_VariableInterestEntityMember" abstract="true" name="VariableInterestEntityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_CommonTrustFundsMember" abstract="true" name="CommonTrustFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_WestwoodFundsMember" abstract="true" name="WestwoodFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_WestwoodHospitalityFundILLCMember" abstract="true" name="WestwoodHospitalityFundILLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_PrivateWealthMember" abstract="true" name="PrivateWealthMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_InstitutionalMember" abstract="true" name="InstitutionalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesAbstract" abstract="true" name="VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="whg_RiskOfLoss" abstract="false" name="RiskOfLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_GeneralDamageMember" abstract="true" name="GeneralDamageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_SpecialDamageMember" abstract="true" name="SpecialDamageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_PunitiveDamageMember" abstract="true" name="PunitiveDamageMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_FirstLawsuitByAGFMember" abstract="true" name="FirstLawsuitByAGFMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_SecondLawsuitByAGFMember" abstract="true" name="SecondLawsuitByAGFMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_PercentageOfDefenseCostsCoveredByInsurance" abstract="false" name="PercentageOfDefenseCostsCoveredByInsurance" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="whg_RevenueFromExternalSources" abstract="false" name="RevenueFromExternalSources" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_NetIntersegmentRevenues" abstract="false" name="NetIntersegmentRevenues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_Otherrevenue" abstract="false" name="Otherrevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_EconomicEarningsLosses" abstract="false" name="EconomicEarningsLosses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_NumberOfMajorCustomers" abstract="false" name="NumberOfMajorCustomers" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="whg_WestwoodManagementMember" abstract="true" name="WestwoodManagementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="whg_RevenueRetentionEarnOut" abstract="false" name="RevenueRetentionEarnOut" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:booleanItemType"/>
  <xs:element id="whg_GrowthEarnOut" abstract="false" name="GrowthEarnOut" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_NonCompeteAgreements" abstract="false" name="NonCompeteAgreements" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_BusinessCombinationsRecognizedIntangible" abstract="false" name="BusinessCombinationsRecognizedIntangible" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_TradeName" abstract="false" name="TradeName" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_TotalRevenues" abstract="false" name="TotalRevenues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_BusinessAcquisitionsSalientProFormaRevenue" abstract="false" name="BusinessAcquisitionsSalientProFormaRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_BusinessAcquisitionsSalientNetIncomeLoss0" abstract="false" name="BusinessAcquisitionsSalientNetIncomeLoss0" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_BusinessCombinationConsiderationTransferredBroadmark" abstract="false" name="BusinessCombinationConsiderationTransferredBroadmark" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_BusinessCombinationConsiderationTransferredGrossBroadmark" abstract="false" name="BusinessCombinationConsiderationTransferredGrossBroadmark" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_BusinessCombinationBroadmarkRevenuesIncludedinEarnings" abstract="false" name="BusinessCombinationBroadmarkRevenuesIncludedinEarnings" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="whg_BusinessCombinationsBroadmarkNetIncomeIncludedInEarnings" abstract="false" name="BusinessCombinationsBroadmarkNetIncomeIncludedInEarnings" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
