<SEC-DOCUMENT>0000950123-19-004924.txt : 20190514
<SEC-HEADER>0000950123-19-004924.hdr.sgml : 20190514
<ACCEPTANCE-DATETIME>20190514163012
ACCESSION NUMBER:		0000950123-19-004924
CONFORMED SUBMISSION TYPE:	13F-NT
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190331
FILED AS OF DATE:		20190514
DATE AS OF CHANGE:		20190514
EFFECTIVENESS DATE:		20190514

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AFFILIATED MANAGERS GROUP, INC.
		CENTRAL INDEX KEY:			0001004434
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		IRS NUMBER:				043218510
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		13F-NT
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-04975
		FILM NUMBER:		19823173

	BUSINESS ADDRESS:	
		STREET 1:		777 SOUTH FLAGLER DRIVE
		STREET 2:		SUITE 1201 EAST TOWER
		CITY:			WEST PALM BEACH
		STATE:			FL
		ZIP:			33401
		BUSINESS PHONE:		(800) 345-1100

	MAIL ADDRESS:	
		STREET 1:		777 SOUTH FLAGLER DRIVE
		STREET 2:		SUITE 1201 EAST TOWER
		CITY:			WEST PALM BEACH
		STATE:			FL
		ZIP:			33401

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AFFILIATED MANAGERS GROUP INC
		DATE OF NAME CHANGE:	19970822
</SEC-HEADER>
<DOCUMENT>
<TYPE>13F-NT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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    <submissionType>13F-NT</submissionType>
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      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>true</returnCopyFlag>
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      <filer>
        <credentials>
          <cik>0001004434</cik>
          <ccc>XXXXXXXX</ccc>
        </credentials>
      </filer>
      <periodOfReport>03-31-2019</periodOfReport>
    </filerInfo>
  </headerData>
  <formData>
    <coverPage>
      <reportCalendarOrQuarter>03-31-2019</reportCalendarOrQuarter>
      <filingManager>
        <name>AFFILIATED MANAGERS GROUP, INC.</name>
        <address>
          <ns1:street1>777 SOUTH FLAGLER DRIVE</ns1:street1>
          <ns1:street2>SUITE 1201 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>
      <otherManagersInfo>
        <otherManager>
          <form13FFileNumber>028-11395</form13FFileNumber>
          <name>AMG Funds LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-16284</form13FFileNumber>
          <name>Artemis Investment Management LLP</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-05835</form13FFileNumber>
          <name>CHICAGO EQUITY PARTNERS LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-05582</form13FFileNumber>
          <name>FIRST QUADRANT L P/CA</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-11858</form13FFileNumber>
          <name>Foyston, Gordon, &amp; Payne Inc</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-01185</form13FFileNumber>
          <name>FRONTIER CAPITAL MANAGEMENT CO LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-04145</form13FFileNumber>
          <name>GW&amp;K Investment Management, LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-10957</form13FFileNumber>
          <name>Genesis Asset Managers, LLP</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-10955</form13FFileNumber>
          <name>Genesis Investment Management, LLP</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-04434</form13FFileNumber>
          <name>HARDING LOEVNER LP</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-04534</form13FFileNumber>
          <name>HARTWELL J M LIMITED PARTNERSHIP</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-11968</form13FFileNumber>
          <name>MYCIO WEALTH PARTNERS, LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-04884</form13FFileNumber>
          <name>RENAISSANCE GROUP LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-11487</form13FFileNumber>
          <name>River Road Asset Management, LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-03489</form13FFileNumber>
          <name>SOUTHERNSUN ASSET MANAGEMENT, LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-05015</form13FFileNumber>
          <name>SYSTEMATIC FINANCIAL MANAGEMENT LP</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-11289</form13FFileNumber>
          <name>THIRD AVENUE MANAGEMENT LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-11092</form13FFileNumber>
          <name>TimesSquare Capital Management, LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-01222</form13FFileNumber>
          <name>TWEEDY BROWNE CO LLC//</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-10942</form13FFileNumber>
          <name>Veritable, L.P.</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-14794</form13FFileNumber>
          <name>Veritas Asset Management LLP</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-00262</form13FFileNumber>
          <name>WELCH &amp; FORBES LLC</name>
        </otherManager>
        <otherManager>
          <form13FFileNumber>028-03760</form13FFileNumber>
          <name>YACKTMAN ASSET MANAGEMENT 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>David M. Billings</name>
      <title>General Counsel and Secretary</title>
      <phone>617-747-3300</phone>
      <signature>David M. Billings</signature>
      <city>Prides Crossing</city>
      <stateOrCountry>MA</stateOrCountry>
      <signatureDate>05-14-2019</signatureDate>
    </signatureBlock>
  </formData>
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