Data spanning the past 90 days through February 19, 2026 reveals that Affiliated Managers's three principal insider shareholders consist of Chief Executive Officer Jay C. Horgen (544.45K shares), Head Of Affiliate Investments Rizwan M Jamal (199.23K shares), President And Coo Thomas M Wojcik (158.71K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Jay C. Horgen | Chief Executive Officer | 544,445 | 23 Dec, 2025 |
| Rizwan M Jamal | Head Of Affiliate Investments | 199,233 | 18 Oct, 2024 |
| Thomas M Wojcik | President And Coo | 158,710 | 09 Sep, 2025 |
| John R Erickson | Head Of Affiliate Engagement | 58,054 | 17 Aug, 2023 |
| Kavita Padiyar | General Counsel & Corp. Sec. | 42,440 | 04 Sep, 2025 |
| Reuben Iii Jeffery | 34,274 | 03 Jan, 2025 | |
| Dwight D. Churchill | 29,030 | 18 Aug, 2025 | |
| David M. Billings | General Counsel And Secretary | 18,965 | 16 Nov, 2022 |
| Tracy P. Palandjian | 14,387 | 28 Nov, 2025 | |
| Karen L. Alvingham | 12,243 | 12 Nov, 2025 | |
| Rodriguez Felix V. Matos | 4,502 | 18 Aug, 2025 | |
| Tracy A Atkinson | 4,020 | 07 Mar, 2024 | |
| David Christopher Ryan | 3,627 | 18 Aug, 2025 | |
| Loren M Starr | 1,285 | 18 Aug, 2025 | |
| Annette Franqui | 664 | 18 Aug, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 23 Dec, 2025 | Jay C. Horgen | Common Stock | D | 4,000 | $0.00 | 510,387 | D | G |
| 25 Nov, 2025 | Tracy P. Palandjian | Common Stock | D | 3,499 | $0.00 | 14,387 | D | G |
| 07 Nov, 2025 | Karen L. Alvingham | Common Stock | D | 182 | $259.26 | 12,243 | D | F |
| 07 Nov, 2025 | Karen L. Alvingham | Common Stock | A | 560 | $69.63 | 12,425 | D | M |
| 09 Sep, 2025 | Thomas M Wojcik | - | - | 158,710 | D | |||
| 09 Sep, 2025 | Thomas M Wojcik | Common Stock | D | 16,000 | $231.03 | 158,710 | D | S |
| 08 Sep, 2025 | Thomas M Wojcik | - | - | 288,718 | D | |||
| 08 Sep, 2025 | Thomas M Wojcik | - | - | 174,710 | D | |||
| 08 Sep, 2025 | Thomas M Wojcik | Common Stock | A | 169,303 | $74.49 | 288,718 | D | M |
| 08 Sep, 2025 | Thomas M Wojcik | Common Stock | D | 114,008 | $231.19 | 174,710 | D | F |
| 02 Sep, 2025 | Jay C. Horgen | Common Stock | A | 75,000 | $74.49 | 559,322 | D | M |
| 02 Sep, 2025 | Jay C. Horgen | Common Stock | D | 44,935 | $229.97 | 514,387 | D | F |
| 02 Sep, 2025 | Kavita Padiyar | - | - | 42,440 | D | |||
| 02 Sep, 2025 | Kavita Padiyar | Common Stock | A | 47,731 | $73.81 | 73,431 | D | M |
| 02 Sep, 2025 | Kavita Padiyar | Common Stock | D | 30,991 | $229.97 | 42,440 | D | F |
| 02 Sep, 2025 | Kavita Padiyar | - | - | 73,431 | D | |||
| 15 Aug, 2025 | Loren M Starr | Common Stock | A | 544 | $0.00 | 1,285 | D | M |
| 15 Aug, 2025 | Dwight D. Churchill | - | - | 29,030 | D | |||
| 15 Aug, 2025 | Dwight D. Churchill | Common Stock | A | 1,398 | $0.00 | 29,030 | D | M |
| 15 Aug, 2025 | Tracy P. Palandjian | Common Stock | A | 1,117 | $0.00 | 17,886 | D | M |