# EDGAR Filing Document

**Accession Number:** 0001004434
**File Stem:** 0001628280-26-025810
**Filing Date:** 2026-4
**Character Count:** 1292
**Document Hash:** 26ffaaff65495f06f20d690f24cc6877
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628280-26-025810.hdr.sgml**: 20260417

**ACCESSION NUMBER**: 0001628280-26-025810

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260417

**DATE AS OF CHANGE**: 20260417

**EFFECTIVENESS DATE**: 20260417

**FILER**: 

**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

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-13459
- **FILM NUMBER:** 26872328

**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

### Attached PDF Documents

**Attachment 1:** `amgars.pdf`

_No text found in this document._