List of insiders holdings for AFFILIATED MANAGERS GROUP INC.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Horgen Jay C. Chief Executive Officer | 2025-09-04 17:01:41 | 589,387 34,058 | 623,445 | Form 4 |
| 2 | DALTON NATHANIEL Director | 2020-03-05 17:44:29 | 206,589 0 | 206,589 | Form 4 |
| 3 | Jamal Rizwan M Head of Affiliate Investments | 2024-10-18 17:01:17 | 0 199,233 | 199,233 | Form 4 |
| 4 | HEALEY SEAN M Executive Chairman | 2020-03-05 17:46:13 | 171,860 0 | 171,860 | Form 4 |
| 5 | Wojcik Thomas M President and COO | 2025-09-09 17:03:55 | 160,052 0 | 160,052 | Form 4 |
| 6 | NUTT WILLIAM J Director | 2015-05-05 17:05:53 | 131,478 0 | 131,478 | Form 4 |
| 7 | CRATE DARRELL W Executive V.P. and CFO | 2011-02-18 17:42:59 | 106,500 0 | 106,500 | Form 4 |
| 8 | Erickson John R Head of Affiliate Engagement | 2023-08-17 17:02:19 | 58,054 0 | 58,054 | Form 4 |
| 9 | BRENNAN SETH W Executive Vice President | 2006-12-14 19:33:40 | 52,521 0 | 52,521 | Form 4 |
| 10 | Padiyar Kavita General Counsel & Corp. Sec. | 2025-09-04 17:00:05 | 43,794 0 | 43,794 | Form 4 |
| 11 | FLOOR RICHARD E Director | 2010-01-22 16:52:44 | 42,286 0 | 42,286 | Form 4 |
| 12 | Jeffery Reuben III Director | 2025-01-03 17:01:29 | 38,153 0 | 38,153 | Form 4 |
| 13 | KINGSTON JOHN III Vice Chairman & Gen. Counsel | 2014-05-12 17:02:37 | 35,492 0 | 35,492 | Form 4 |
| 14 | Churchill Dwight D. Director | 2025-08-18 17:18:06 | 31,805 0 | 31,805 | Form 4 |
| 15 | MacEwen Peter W Chief Administrative Officer | 2018-01-03 18:39:01 | 26,135 0 | 26,135 | Form 4 |
| 16 | LOCKWOOD STEPHEN J Director | 2005-05-20 09:04:25 | 23,674 0 | 23,674 | Form 4 |
| 17 | Palandjian Tracy P. Director | 2025-08-18 17:05:55 | 20,723 0 | 20,723 | Form 4 |
| 18 | Billings David M. General Counsel and Secretary | 2022-11-16 17:36:33 | 18,965 0 | 18,965 | Form 4 |
| 19 | Dyson Andrew EVP(AMG Ltd.), Global Distrib. | 2016-03-03 17:09:19 | 18,131 0 | 18,131 | Form 4 |
| 20 | Alvingham Karen L. Director | 2025-08-18 17:11:52 | 16,440 0 | 16,440 | Form 4 |
| 21 | Cutler Hugh EVP, Global Distribution | 2020-03-05 17:35:50 | 13,681 2,224 | 15,905 | Form 4 |
| 22 | Ryan David Christopher Director | 2025-08-18 17:15:04 | 8,343 0 | 8,343 | Form 4 |
| 23 | Atkinson Tracy A Director | 2024-03-07 17:29:39 | 7,629 0 | 7,629 | Form 4 |
| 24 | Matos Rodriguez Felix V. Director | 2025-08-18 17:07:30 | 6,541 0 | 6,541 | Form 4 |
| 25 | PUFF ROBERT C JR Director | 2005-07-28 15:17:15 | 5,625 0 | 5,625 | Form 4 |
| 26 | Earle Glenn Director | 2021-01-05 17:07:04 | 4,743 0 | 4,743 | Form 4 |
| 27 | Ryan Patrick T Director | 2020-07-30 19:43:08 | 4,732 0 | 4,732 | Form 4 |
| 28 | Byrne Samuel T Director | 2020-07-30 20:08:38 | 4,581 0 | 4,581 | Form 4 |
| 29 | STARR LOREN M Director | 2025-08-18 17:13:24 | 4,299 0 | 4,299 | Form 4 |
| 30 | Zeitlin Jide James Director | 2020-02-06 17:35:50 | 3,446 0 | 3,446 | Form 4 |
| 31 | Ferguson Niall Director | 2020-02-06 17:43:45 | 3,446 0 | 3,446 | Form 4 |
| 32 | Ritchea Dava Chief Financial Officer | 2025-03-07 17:08:30 | 2,405 0 | 2,405 | Form 4 |
| 33 | WELD WILLIAM F Director | 2004-02-17 16:20:49 | 2,340 0 | 2,340 | Form 4 |
| 34 | FRANQUI ANNETTE Director | 2025-08-18 17:08:59 | 1,689 0 | 1,689 | Form 4 |
| 35 | MEYERMAN HAROLD J Director | 2015-01-22 17:40:05 | 1,322 0 | 1,322 | Form 4 |
| 36 | RODRIGUEZ RITA M Director | 2014-07-24 19:48:13 | 1,183 0 | 1,183 | Form 4 |