SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Ritchea Dava (Last) (First) (Middle) C/O AFFILIATED MANAGERS GROUP, INC. 777 SOUTH FLAGLER DRIVE (Street) WEST PALM BEACH FL 33401 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 04/01/2024	3. Issuer Name and Ticker or Trading Symbol AFFILIATED MANAGERS GROUP, INC. [ AMG ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Chief Financial Officer	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit 24 - Power of Attorney

No securities are beneficially owned.

	/s/ Kavita Padiyar, Attorney-in-Fact	04/05/2024
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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EXHIBIT 24

Affiliated Managers Group, Inc.
Power of Attorney

The undersigned hereby constitutes and appoints each of Jay C. Horgen,
Kavita Padiyar, and Josh Goldstein, signing singly, in any and all
capacities, and with full power of substitution, the undersigned's
true and lawful attorney-in-fact to:

(1) execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer, director or holder of 10% or more of a registered
class of securities of Affiliated Managers Group, Inc. (the "Company"),
from time to time the following U.S. Securities and Exchange Commission
("SEC") forms: (i) Form ID, including any attached documents, to effect
the assignment of codes to the undersigned to be used in the transmission
of information to the SEC using the EDGAR System; (ii) Form 3, Initial
Statement of Beneficial Ownership of Securities, including any attached
documents; (iii) Form 4, Statement of Changes in Beneficial Ownership of
Securities, including any attached documents; (iv) Form 5, Annual Statement
of Beneficial Ownership of Securities in accordance with Section 16(a) of
the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and
the rules thereunder, including any attached documents; and (v) amendments
of each thereof, in accordance with the Securities Exchange Act of 1934, as
amended, and the rules thereunder, including any attached documents;

(2) do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such
Form 3, 4 or 5 or any amendment(s) thereto, and timely file such form(s)
with the SEC and any securities exchange, national association or similar
authority; and

(3) take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit
to, in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf of
the undersigned pursuant to this Power of Attorney shall be in such form and
shall contain such terms and conditions as such attorney-in-fact may approve
in such attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact, acting singly,
full power and authority to do and perform any and every act and thing
whatsoever requisite, necessary or proper to be done in the exercise of any
of the rights and powers herein granted, as fully to all intents and purposes
as the undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted. The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16 of the Exchange Act.

This Power of Attorney shall remain in full force and effect until the earliest
to occur of (a) the undersigned is no longer required to file such forms with
respect to the undersigned's holdings of and transactions in securities issued
by the Company, (b) revocation by the undersigned in a signed writing delivered
to the foregoing attorneys-in-fact, or (c) with respect to each attorney-
in-fact, such time as such attorney shall no longer be employed by the Company.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of April 1, 2024.

By:	/s/ Dava E. Ritchea

Name:	Dava E. Ritchea