# Filing Detail

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001004434-25-000024
Filing Date
2025-04-11
Accepted
2025-04-11 16:43:53
Documents
3

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEFA14A | a2025amgdefa14a.htm | DEFA14A | 11854
2 | GRAPHIC | affiliatedmanagersgroupincb.jpg | GRAPHIC | 1273733
3 | GRAPHIC | affiliatedmanagersgroupincc.jpg | GRAPHIC | 1809941
| Complete submission text file | 0001004434-25-000024.txt |  | 4180373

Mailing Address 777 SOUTH FLAGLER DRIVE SUITE 1401 EAST TOWER WEST PALM BEACH FL 33401
Business Address 777 SOUTH FLAGLER DRIVE SUITE 1401 EAST TOWER WEST PALM BEACH FL 33401 (800) 345-1100
AFFILIATED MANAGERS GROUP, INC. (Filer) CIK: 0001004434 (see all company filings)

EIN.: 043218510 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-13459 | Film No.: 25832744
SIC: 6282 Investment Advice
(CF Office: 02 Finance)