<SEC-DOCUMENT>0001104659-13-064018.txt : 20130814
<SEC-HEADER>0001104659-13-064018.hdr.sgml : 20130814
<ACCEPTANCE-DATETIME>20130814174808
ACCESSION NUMBER:		0001104659-13-064018
CONFORMED SUBMISSION TYPE:	13F-NT
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20130630
FILED AS OF DATE:		20130814
DATE AS OF CHANGE:		20130814
EFFECTIVENESS DATE:		20130814

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:		131038962

	BUSINESS ADDRESS:	
		STREET 1:		600 HALE STREET
		STREET 2:		P.O. BOX 1000
		CITY:			PRIDES CROSSING
		STATE:			MA
		ZIP:			01965
		BUSINESS PHONE:		6177473300

	MAIL ADDRESS:	
		STREET 1:		600 HALE STREET
		STREET 2:		P.O. BOX 1000
		CITY:			PRIDES CROSSING
		STATE:			MA
		ZIP:			01965
</SEC-HEADER>
<DOCUMENT>
<TYPE>13F-NT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xsi:schemaLocation="http://www.sec.gov/edgar/thirteenffiler eis_13F_Filer.xsd" xmlns="http://www.sec.gov/edgar/thirteenffiler" xmlns:ns1="http://www.sec.gov/edgar/common" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <headerData>
    <submissionType>13F-NT</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <credentials>
          <cik>0001004434</cik>
          <ccc>XXXXXXXX</ccc>
        </credentials>
      </filer>
      <periodOfReport>06-30-2013</periodOfReport>
    </filerInfo>
  </headerData>
  <formData>
    <coverPage>
      <reportCalendarOrQuarter>06-30-2013</reportCalendarOrQuarter>
      <isAmendment>false</isAmendment>
      <filingManager>
        <name>AFFILIATED MANAGERS GROUP INC</name>
        <address>
          <ns1:street1>600 Hale Street</ns1:street1>
          <ns1:street2>P.O. Box 1000</ns1:street2>
          <ns1:city>Prides Crossing</ns1:city>
          <ns1:stateOrCountry>MA</ns1:stateOrCountry>
          <ns1:zipCode>01965</ns1:zipCode>
        </address>
      </filingManager>
      <reportType>13F NOTICE</reportType>
      <form13FFileNumber>028-04975</form13FFileNumber>
      <otherManagersInfo>
        <otherManager>
          <cik>0001386714</cik>
          <form13FFileNumber>028-12347</form13FFileNumber>
          <name>Aston Asset Management, LP</name>
        </otherManager>
        <otherManager>
          <cik>0001116992</cik>
          <form13FFileNumber>028-05835</form13FFileNumber>
          <name>CHICAGO EQUITY PARTNERS LLC</name>
        </otherManager>
        <otherManager>
          <cik>0001014736</cik>
          <form13FFileNumber>028-05582</form13FFileNumber>
          <name>FIRST QUADRANT L P/CA</name>
        </otherManager>
        <otherManager>
          <cik>0001322853</cik>
          <form13FFileNumber>028-11858</form13FFileNumber>
          <name>Foyston, Gordon, &amp; Payne Inc</name>
        </otherManager>
        <otherManager>
          <cik>0000820289</cik>
          <form13FFileNumber>028-01346</form13FFileNumber>
          <name>FRIESS ASSOCIATES LLC</name>
        </otherManager>
        <otherManager>
          <cik>0000351173</cik>
          <form13FFileNumber>028-01185</form13FFileNumber>
          <name>FRONTIER CAPITAL MANAGEMENT CO LLC</name>
        </otherManager>
        <otherManager>
          <cik>0001082917</cik>
          <form13FFileNumber>028-04145</form13FFileNumber>
          <name>GANNETT WELSH &amp; KOTLER</name>
        </otherManager>
        <otherManager>
          <cik>0001300978</cik>
          <form13FFileNumber>028-10957</form13FFileNumber>
          <name>Genesis Asset Managers, LLP</name>
        </otherManager>
        <otherManager>
          <cik>0001300979</cik>
          <form13FFileNumber>028-10955</form13FFileNumber>
          <name>Genesis Investment Management, LLP</name>
        </otherManager>
        <otherManager>
          <cik>0000928196</cik>
          <form13FFileNumber>028-04434</form13FFileNumber>
          <name>HARDING LOEVNER LP</name>
        </otherManager>
        <otherManager>
          <cik>0000932141</cik>
          <form13FFileNumber>028-04534</form13FFileNumber>
          <name>HARTWELL J M LIMITED PARTNERSHIP</name>
        </otherManager>
        <otherManager>
          <cik>0001115419</cik>
          <form13FFileNumber>028-11395</form13FFileNumber>
          <name>Managers Investment Group LLC</name>
        </otherManager>
        <otherManager>
          <cik>0000944234</cik>
          <form13FFileNumber>028-04884</form13FFileNumber>
          <name>RENAISSANCE GROUP LLC</name>
        </otherManager>
        <otherManager>
          <cik>0001085936</cik>
          <form13FFileNumber>028-05015</form13FFileNumber>
          <name>SYSTEMATIC FINANCIAL MANAGEMENT LP</name>
        </otherManager>
        <otherManager>
          <cik>0001099281</cik>
          <form13FFileNumber>028-11289</form13FFileNumber>
          <name>THIRD AVENUE MANAGEMENT LLC</name>
        </otherManager>
        <otherManager>
          <cik>0001313816</cik>
          <form13FFileNumber>028-11092</form13FFileNumber>
          <name>TimesSquare Capital Management, LLC</name>
        </otherManager>
        <otherManager>
          <cik>0001128573</cik>
          <form13FFileNumber>028-10163</form13FFileNumber>
          <name>TRILOGY GLOBAL ADVISORS LP</name>
        </otherManager>
        <otherManager>
          <cik>0000732905</cik>
          <form13FFileNumber>028-01222</form13FFileNumber>
          <name>TWEEDY BROWNE CO LLC//</name>
        </otherManager>
        <otherManager>
          <cik>0001300311</cik>
          <form13FFileNumber>028-10942</form13FFileNumber>
          <name>Veritable, L.P.</name>
        </otherManager>
        <otherManager>
          <cik>0000105495</cik>
          <form13FFileNumber>028-00262</form13FFileNumber>
          <name>WELCH &amp; FORBES LLC</name>
        </otherManager>
        <otherManager>
          <cik>0000905567</cik>
          <form13FFileNumber>028-03760</form13FFileNumber>
          <name>YACKTMAN ASSET MANAGEMENT LP</name>
        </otherManager>
      </otherManagersInfo>
      <provideInfoForInstruction5>N</provideInfoForInstruction5>
    </coverPage>
    <signatureBlock>
      <name>John Kingston, III</name>
      <title>Vice Chairman, General Counsel and Secretary</title>
      <phone>617-747-3300</phone>
      <signature>/s/ John Kingston, III</signature>
      <city>Prides Crossing</city>
      <stateOrCountry>MA</stateOrCountry>
      <signatureDate>08-14-2013</signatureDate>
    </signatureBlock>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
