AFFILIATED MANAGERS GROUP, INC. — All Filings
1,002 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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 |
|---|---|---|---|---|
| 4 | PRIMARY DOCUMENT | 0001127602-25-020463 | Aug 14, 2025 | Aug 12, 2025 |
| 13F-NT | — | 0000950123-25-007838 | Aug 13, 2025 | Jun 30, 2025 |
| 10-Q | 10-Q | 0001004434-25-000045 | Aug 7, 2025 | Jun 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-020018 | Aug 4, 2025 | Jul 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-020004 | Aug 4, 2025 | Jul 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-020019 | Aug 4, 2025 | Jul 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-020009 | Aug 4, 2025 | Jul 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-020011 | Aug 4, 2025 | Jul 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-020013 | Aug 4, 2025 | Jul 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-020016 | Aug 4, 2025 | Jul 31, 2025 |
| 8-K | 8-K | 0001004434-25-000042 | Jul 31, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-25-018821 | Jul 3, 2025 | Jul 1, 2025 |
| 8-K | 8-K | 0001193125-25-137112 | Jun 6, 2025 | Jun 3, 2025 |
| SCHEDULE 13G | — | 0001104659-25-057291 | Jun 6, 2025 | — |
| 8-K | 8-K | 0001193125-25-125095 | May 22, 2025 | — |
| SCHEDULE 13G | — | 0001104659-25-048474 | May 14, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-25-014117 | May 13, 2025 | May 12, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-014118 | May 13, 2025 | May 9, 2025 |
| 13F-NT | — | 0000950123-25-004928 | May 13, 2025 | Mar 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-014116 | May 13, 2025 | May 12, 2025 |
| 10-Q | 10-Q | 0001004434-25-000039 | May 8, 2025 | Mar 31, 2025 |
| 8-K | 8-K | 0001004434-25-000036 | May 8, 2025 | — |
| DEF 14A | DEF 14A | 0001004434-25-000021 | Apr 11, 2025 | May 22, 2025 |
| DEFA14A | DEFA14A | 0001004434-25-000024 | Apr 11, 2025 | — |
| ARS | ARS | 0001004434-25-000026 | Apr 11, 2025 | Dec 31, 2024 |
| 144 | — | 0001968582-25-000178 | Mar 10, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-25-008757 | Mar 7, 2025 | Mar 5, 2025 |
| 424B5 | 424B5 | 0001193125-25-049926 | Mar 7, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-25-008744 | Mar 7, 2025 | Mar 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-008753 | Mar 7, 2025 | Mar 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-008731 | Mar 7, 2025 | Mar 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-008735 | Mar 7, 2025 | Mar 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-008737 | Mar 7, 2025 | Mar 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-008739 | Mar 7, 2025 | Mar 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-008740 | Mar 7, 2025 | Mar 5, 2025 |
| 8-K | 8-K | 0001193125-25-049936 | Mar 7, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-25-008741 | Mar 7, 2025 | Mar 5, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-008748 | Mar 7, 2025 | Mar 5, 2025 |
| S-3ASR | S-3ASR | 0001193125-25-042543 | Feb 28, 2025 | — |
| SCHEDULE 13G/A | — | 0000905729-25-000039 | Feb 14, 2025 | — |
| 10-K | 10-K | 0001004434-25-000010 | Feb 14, 2025 | Dec 31, 2024 |
| 13F-NT | — | 0000950123-25-002053 | Feb 13, 2025 | Dec 31, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003875 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003873 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003878 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003881 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003887 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003884 | Feb 10, 2025 | Feb 6, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-003885 | Feb 10, 2025 | Feb 6, 2025 |
| 8-K | 8-K | 0001004434-25-000004 | Feb 6, 2025 | — |