# EDGAR Filing Document

**Accession Number:** 0002129201
**File Stem:** 0001004434-26-000048
**Filing Date:** 2026-4
**Character Count:** 9139
**Document Hash:** bac1e8eab0d69c8906f9022604415804
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001004434-26-000048.hdr.sgml**: 20260424

**ACCESSION NUMBER**: 0001004434-26-000048

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260415

**FILED AS OF DATE**: 20260424

**DATE AS OF CHANGE**: 20260424

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Patel Cheerag B.
- **CENTRAL INDEX KEY:** 0002129201

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-13459
- **FILM NUMBER:** 26895516

**MAIL ADDRESS:**
- **STREET 1:** C/O AFFILIATED MANAGERS GROUP, INC.
- **STREET 2:** 1001 U.S. HIGHWAY ONE NORTH
- **CITY:** JUPITER
- **STATE:** FL
- **ZIP:** 33477
**ISSUER**: 

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

**BUSINESS ADDRESS:**
- **STREET 1:** 1001 U.S. HIGHWAY ONE NORTH
- **STREET 2:** SUITE 702
- **CITY:** JUPITER
- **STATE:** FL
- **ZIP:** 33477
- **BUSINESS PHONE:** (800) 345-1100

**MAIL ADDRESS:**
- **STREET 1:** 1001 U.S. HIGHWAY ONE NORTH
- **STREET 2:** SUITE 702
- **CITY:** JUPITER
- **STATE:** FL
- **ZIP:** 33477

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

## Ex-24

```

EXHIBIT 24

Affiliated Managers Group, Inc.

Power of Attorney

The undersigned hereby constitutes and appoints each of Jay C. Horgen,
Dava E. Ritchea, 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 SEC?s Electronic Data Gathering and
Retrieval ("EDGAR?) system, and enrollment of the undersigned in 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;

(3)  act as an account administrator for the undersigned's EDGAR account,
including: (i) appoint, remove and replace account administrators, account
users, technical administrators and delegated entities; (ii) maintain the
security of the undersigned's EDGAR account, including modification of
access codes; (iii) maintain, modify and certify the accuracy of information
on the undersigned's EDGAR account dashboard; (iv) act as the EDGAR point of
contact with respect to the undersigned's EDGAR account; and (v) any other
actions contemplated by Rule 10 of Regulation S-T with respect to account
administrators; and

(4)  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 8, 2026.

By:	/s/ Cheerag B. Patel
Name:	Cheerag B. Patel

NOTARIZATION

Commonwealth of Massachusetts
County of Essex

This Power of Attorney was acknowledged before me on April 8, 2026
by Cheerag B. Patel.

/s/ Erica L. LeBlanc

Notary Seal

```

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Patel Cheerag B.<br><sub>(Last) (First) (Middle)</sub><br>C/O AFFILIATED MANAGERS GROUP, INC.<br>1001 U.S. HIGHWAY ONE NORTH<br><sub>(Street)</sub><br>JUPITER, FL 33477<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>AFFILIATED MANAGERS GROUP, INC. [ AMG ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-04-15 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [ ] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_Head of Affiliate Engagement_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Common Stock | 39659 | D |  |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

**Remarks:**
Exhibit 24 - Power of Attorney

**Signature:** /s/ Kavita Padiyar, Attorney-in-Fact  
**Date:** 2026-04-24

### Remarks:

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 4 (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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**