Affiliated Managers Group, Inc.
AMGNYSECIK 1004434FinancialsFiscal year ends Dec 31
Reports and events: 261 filings
Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.
What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-08-0717:28 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0001628280-26-054930 |
| 2026-07-3007:14 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001628280-26-050793 |
| 2026-06-0916:30 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-26-263845 |
| 2026-05-2816:30 ET | 8-K | 5.07 Shareholder vote results | 0001193125-26-245324 |
| 2026-05-0716:19 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0001628280-26-032153 |
| 2026-05-0106:37 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001628280-26-029094 |
| 2026-04-1716:43 ET | DEF 14A | Proxy statementPeriod 2026-05-27 | 0001628280-26-025798 |
| 2026-02-2616:31 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-076911 |
| 2026-02-1717:15 ET | 10-K | Annual reportPeriod 2025-12-31 | 0001628280-26-008665 |
| 2026-02-1207:08 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001628280-26-007464 |
| 2026-02-1206:40 ET | 8-K | 5.02 Departure or appointment of officers or directors | 0001193125-26-047590 |
| 2025-12-1116:30 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-25-316053 |
| 2025-12-0817:04 ET | 8-K | 8.01 Other events | 0001193125-25-311380 |
| 2025-11-0616:22 ET | 10-Q | Quarterly reportPeriod 2025-09-30 | 0001628280-25-050206 |
| 2025-11-0307:09 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001628280-25-047923 |
| 2025-08-1416:31 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-180826 |
| 2025-08-0716:11 ET | 10-Q | Quarterly reportPeriod 2025-06-30 | 0001004434-25-000045 |
| 2025-07-3107:12 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001004434-25-000042 |
| 2025-06-0616:31 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-137112 |
| 2025-05-2216:30 ET | 8-K | 5.07 Shareholder vote results | 0001193125-25-125095 |
| 2025-05-0816:43 ET | 10-Q | Quarterly reportPeriod 2025-03-31 | 0001004434-25-000039 |
| 2025-05-0807:02 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001004434-25-000036 |
| 2025-04-1116:35 ET | DEF 14A | Proxy statementPeriod 2025-05-22 | 0001004434-25-000021 |
| 2025-03-0716:53 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-049936 |
| 2025-02-1417:04 ET | 10-K | Annual reportPeriod 2024-12-31 | 0001004434-25-000010 |
| 2025-02-0606:56 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001004434-25-000004 |
| 2025-02-0317:00 ET | 8-K | 5.02 Departure or appointment of officers or directors | 0001193125-25-019350 |
| 2024-11-1516:36 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-24-259866 |
| 2024-11-0716:21 ET | 10-Q | Quarterly reportPeriod 2024-09-30 | 0001004434-24-000049 |
| 2024-11-0407:08 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001004434-24-000045 |
| 2024-08-2016:15 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-24-203661 |
| 2024-08-0216:29 ET | 10-Q | Quarterly reportPeriod 2024-06-30 | 0001004434-24-000040 |
| 2024-08-0216:06 ET | 8-K | 5.02 Departure or appointment of officers or directors | 0001193125-24-192855 |
| 2024-07-2907:08 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001004434-24-000035 |
| 2024-05-2416:31 ET | 8-K | 5.07 Shareholder vote results | 0001193125-24-147104 |
| 2024-05-0716:40 ET | 10-Q | Quarterly reportPeriod 2024-03-31 | 0001004434-24-000030 |
| 2024-05-0607:07 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001004434-24-000026 |
| 2024-04-1216:31 ET | DEF 14A | Proxy statementPeriod 2024-05-22 | 0001004434-24-000019 |
| 2024-03-2509:06 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-076041 |
| 2024-03-2016:14 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-24-072712 |
| 2024-02-1616:10 ET | 10-K | Annual reportPeriod 2023-12-31 | 0001004434-24-000010 |
| 2024-02-0507:07 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001004434-24-000005 |
| 2023-11-0616:24 ET | 10-Q | Quarterly reportPeriod 2023-09-30 | 0001004434-23-000034 |
| 2023-11-0607:09 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001004434-23-000031 |
| 2023-09-2508:06 ET | 8-K | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-23-240937 |
| 2023-08-0716:07 ET | 10-Q | Quarterly reportPeriod 2023-06-30 | 0001004434-23-000025 |
| 2023-07-2607:11 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001004434-23-000021 |
| 2023-05-3016:30 ET | 8-K | 5.07 Shareholder vote results | 0001193125-23-156631 |
| 2023-05-0816:48 ET | 10-Q | Quarterly reportPeriod 2023-03-31 | 0001004434-23-000017 |
| 2023-05-0107:12 ET | 8-K | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001004434-23-000015 |
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:01 ET. Listed shows no prices and gives no investment advice.