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  <schemaVersion>X0202</schemaVersion>
  <headerData>
    <submissionType>13F-NT</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags/>
      <filer>
        <credentials>
          <cik>0001004434</cik>
          <ccc>XXXXXXXX</ccc>
        </credentials>
      </filer>
      <periodOfReport>12-31-2024</periodOfReport>
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  <formData>
    <coverPage>
      <reportCalendarOrQuarter>12-31-2024</reportCalendarOrQuarter>
      <isAmendment>false</isAmendment>
      <filingManager>
        <name>AFFILIATED MANAGERS GROUP, INC.</name>
        <address>
          <ns1:street1>777 SOUTH FLAGLER DRIVE</ns1:street1>
          <ns1:street2>SUITE 1401 EAST TOWER</ns1:street2>
          <ns1:city>WEST PALM BEACH</ns1:city>
          <ns1:stateOrCountry>FL</ns1:stateOrCountry>
          <ns1:zipCode>33401</ns1:zipCode>
        </address>
      </filingManager>
      <reportType>13F NOTICE</reportType>
      <form13FFileNumber>028-04975</form13FFileNumber>
      <secFileNumber>028-04975</secFileNumber>
      <otherManagersInfo>
        <otherManager>
          <form13FFileNumber>028-11395</form13FFileNumber>
          <crdNumber>000153456</crdNumber>
          <secFileNumber>801-56365</secFileNumber>
          <name>AMG Funds LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-16284</form13FFileNumber>
          <crdNumber>000153039</crdNumber>
          <secFileNumber>801-71338</secFileNumber>
          <name>Artemis InvestmentManagement LLP</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-11858</form13FFileNumber>
          <crdNumber>000121591</crdNumber>
          <secFileNumber>801-61491</secFileNumber>
          <name>Foyston, Gordon, &amp; PayneInc</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-01185</form13FFileNumber>
          <crdNumber>000106274</crdNumber>
          <secFileNumber>801-15724</secFileNumber>
          <name>FRONTIER CAPITALMANAGEMENT CO LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-04145</form13FFileNumber>
          <crdNumber>000121942</crdNumber>
          <secFileNumber>801-61559</secFileNumber>
          <name>GW&amp;K InvestmentManagement, LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-10955</form13FFileNumber>
          <crdNumber>000130949</crdNumber>
          <secFileNumber>801-63018</secFileNumber>
          <name>Genesis InvestmentManagement, LLP</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-04434</form13FFileNumber>
          <crdNumber>000104543</crdNumber>
          <secFileNumber>801-36845</secFileNumber>
          <name>HARDING LOEVNER LP</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-11968</form13FFileNumber>
          <crdNumber>000134436</crdNumber>
          <secFileNumber>801-64053</secFileNumber>
          <name>MYCIO WEALTHPARTNERS, LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-05022</form13FFileNumber>
          <crdNumber>000316904</crdNumber>
          <secFileNumber>801-122618</secFileNumber>
          <name>Parnassus Investments, LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-04884</form13FFileNumber>
          <crdNumber>000105916</crdNumber>
          <secFileNumber>801-50177</secFileNumber>
          <name>RENAISSANCE GROUPLLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-11487</form13FFileNumber>
          <crdNumber>000134918</crdNumber>
          <secFileNumber>801-64175</secFileNumber>
          <name>River Road AssetManagement, LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-05015</form13FFileNumber>
          <crdNumber>000106146</crdNumber>
          <secFileNumber>801-48908</secFileNumber>
          <name>SYSTEMATICFINANCIALMANAGEMENT LP</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-11289</form13FFileNumber>
          <crdNumber>000107545</crdNumber>
          <secFileNumber>801-27792</secFileNumber>
          <name>THIRD AVENUEMANAGEMENT LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-11092</form13FFileNumber>
          <crdNumber>000132694</crdNumber>
          <secFileNumber>801-63492</secFileNumber>
          <name>TimesSquare CapitalManagement, LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-01222</form13FFileNumber>
          <crdNumber>000006857</crdNumber>
          <secFileNumber>801-10669</secFileNumber>
          <name>Tweedy, Browne Co LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-14794</form13FFileNumber>
          <crdNumber>000174314</crdNumber>
          <secFileNumber>801-89169</secFileNumber>
          <name>Veritas Asset ManagementLLP</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-00262</form13FFileNumber>
          <crdNumber>000115119</crdNumber>
          <secFileNumber>801-60532</secFileNumber>
          <name>WELCH &amp; FORBES LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-03760</form13FFileNumber>
          <crdNumber>000164420</crdNumber>
          <secFileNumber>801-76744</secFileNumber>
          <name>YACKTMAN ASSETMANAGEMENT LP</name>
        </otherManager>
      </otherManagersInfo>
      <provideInfoForInstruction5>Y</provideInfoForInstruction5>
      <additionalInformation>Affiliated Managers Group, Inc. ('AMG') is making this 13F information filing as a majority owner of certain affiliated institutional investment management firms that are subject to applicable 13F filing requirements. AMG expressly disclaims beneficial ownership of all reported securities. AMG does not exercise voting or investment power over any reported security. Each AMG affiliate exercises such power independently of AMG and each other.</additionalInformation>
    </coverPage>
    <signatureBlock>
      <name>Kavita Padiyar</name>
      <title>General Counsel and Corporate Secretary</title>
      <phone>800-345-1100</phone>
      <signature>Kavita Padiyar</signature>
      <city>Prides Crossing</city>
      <stateOrCountry>MA</stateOrCountry>
      <signatureDate>02-13-2025</signatureDate>
    </signatureBlock>
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