<SEC-DOCUMENT>0001959173-24-005724.txt : 20240819
<SEC-HEADER>0001959173-24-005724.hdr.sgml : 20240819
<ACCEPTANCE-DATETIME>20240819101107
ACCESSION NUMBER:		0001959173-24-005724
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240819
DATE AS OF CHANGE:		20240819

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AFFILIATED MANAGERS GROUP, INC.
		CENTRAL INDEX KEY:			0001004434
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		ORGANIZATION NAME:           	02 Finance
		IRS NUMBER:				043218510
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-13459
		FILM NUMBER:		241218629

	BUSINESS ADDRESS:	
		STREET 1:		777 SOUTH FLAGLER DRIVE
		STREET 2:		SUITE 1401 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 1401 EAST TOWER
		CITY:			WEST PALM BEACH
		STATE:			FL
		ZIP:			33401

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AFFILIATED MANAGERS GROUP INC
		DATE OF NAME CHANGE:	19970822

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Horgen Jay C.
		CENTRAL INDEX KEY:			0001432993
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		AFFILIATED MANAGERS GROUP, INC.
		STREET 2:		777 S. FLAGLER DR., SUITE 1201 E. TOWER
		CITY:			WEST PALM BEACH
		STATE:			FL
		ZIP:			33401
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001432993</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001004434</issuerCik>
      <issuerName>AFFILIATED MANAGERS GROUP, INC.</issuerName>
      <secFileNumber>001-13459</secFileNumber>
      <issuerAddress>
        <com:street1>777 SOUTH FLAGLER DRIVE</com:street1>
        <com:street2>SUITE 1401 EAST TOWER</com:street2>
        <com:city>WEST PALM BEACH</com:city>
        <com:stateOrCountry>FL</com:stateOrCountry>
        <com:zipCode>33401</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>(800) 345-1100</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Horgen Jay C.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>245 Summer Street</com:street1>
          <com:city>Boston</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02110</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>18300</noOfUnitsSold>
      <aggregateMarketValue>3164985.00</aggregateMarketValue>
      <noOfUnitsOutstanding>29813967</noOfUnitsOutstanding>
      <approxSaleDate>08/19/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>08/16/2021</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>18300</amountOfSecuritiesAcquired>
      <paymentDate>08/16/2021</paymentDate>
      <natureOfPayment>compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>shares are being sold from JAY CURTIS HORGEN KATHERINE BATTLE HORGEN TTEE THE JAY CURTIS HORGEN 2015 TRUS U/A 10/27/15</remarks>
    <noticeSignature>
      <noticeDate>08/19/2024</noticeDate>
      <signature>/s/ Audrey Skillern as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Jay Curtis Horgen</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
