AFFILIATED MANAGERS GROUP, INC. — SCHEDULE 13G/A Filings
6 SCHEDULE 13G/A filings on record
This page lists all SCHEDULE 13G/A filings submitted to the SEC by AFFILIATED MANAGERS GROUP, INC. (MGRE), sorted by most recent first. Each row links to the full filing on EdgarLookup. AFFILIATED MANAGERS GROUP, INC. has filed 6 SCHEDULE 13G/A documents with the SEC since 2012. To view all SEC filings by AFFILIATED MANAGERS GROUP, INC., see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
13F-NT
13F-NT/A
144
25
25-NSE
3
305B2
4
424B2
424B3
424B4
424B5
424B7
425
5
8-A12B
8-K
8-K/A
ARS
CERT
CERTNYS
CORRESP
DEF 14A
DEFA14A
EFFECT
FWP
N-PX
POSASR
PRE 14A
S-1
S-1/A
S-1MEF
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
SC 13D
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-000481 | Mar 26, 2026 | — |
| SCHEDULE 13G/A | — | 0000102909-26-000333 | Mar 5, 2026 | — |
| SCHEDULE 13G/A | — | 0000905729-26-000041 | Feb 13, 2026 | — |
| SCHEDULE 13G/A | — | 0001104659-25-104395 | Oct 30, 2025 | — |
| SCHEDULE 13G/A | — | 0000102909-25-000065 | Oct 30, 2025 | — |
| SCHEDULE 13G/A | — | 0000905729-25-000039 | Feb 14, 2025 | — |