Form 13f Cover Page (13f-nt)

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.

The reader should not assume that the information is accurate and complete.

	UNITED STATES SECURITIES AND EXCHANGE COMMISSION	OMB APPROVAL
	Washington, D.C. 20549 FORM 13F	OMB Number:   3235-0006 Expires:          July 31, 2015 Estimated average burden hours per response:       23.8

FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended:

03-31-2020

Check here if Amendment:		Amendment Number:
This Amendment (Check only one.):		is a restatement.
		adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:	AFFILIATED MANAGERS GROUP, INC.
Address:	777 SOUTH FLAGLER DRIVE
	Suite 1401 East Tower
	WEST PALM BEACH	FL	33401

Form 13F File Number:

028-04975

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:	David M. Billings
Title:	General Counsel and Secretary
Phone:	617-747-3300

Signature, Place, and Date of Signing:

David M. Billings	Prides Crossing,  MASSACHUSETTS	05-14-2020
[Signature]	[City, State]	[Date]

Do you wish to provide information pursuant to Special Instruction 5?

X  Yes          No

Additional Information

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.

Report Type (Check only one.):

     13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)

X  13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)

     13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

List of Other Managers Reporting for this Manager
[If there are no entries in this list, omit this section.]

Form 13F File Number	Name
028-11395	AMG Funds LLC
028-16284	Artemis Investment Management LLP
028-05835	CHICAGO EQUITY PARTNERS LLC
028-05582	FIRST QUADRANT L P/CA
028-11858	Foyston, Gordon, & Payne Inc
028-01185	FRONTIER CAPITAL MANAGEMENT CO LLC
028-04145	GW&K Investment Management, LLC
028-10955	Genesis Investment Management, LLP
028-04434	HARDING LOEVNER LP
028-11968	MYCIO WEALTH PARTNERS, LLC
028-04884	RENAISSANCE GROUP LLC
028-11487	River Road Asset Management, LLC
028-03489	SOUTHERNSUN ASSET MANAGEMENT, LLC
028-05015	SYSTEMATIC FINANCIAL MANAGEMENT LP
028-11289	THIRD AVENUE MANAGEMENT LLC
028-11092	TimesSquare Capital Management, LLC
028-01222	TWEEDY BROWNE CO LLC//
028-10942	Veritable, L.P.
028-14794	Veritas Asset Management LLP
028-00262	WELCH & FORBES LLC
028-03760	YACKTMAN ASSET MANAGEMENT LP