Affiliated Managers Group, Inc.
AMG- Exchange
- NYSE
- Industry
- Investment Advice
- SEC CIK
- 0001004434
No open-market purchases or sales by Affiliated Managers Group, Inc. insiders were filed in the last 90 days; 567 institutions reported holding it in 13F filings for Q2 2026, worth $8.53B in total; Southeastern Asset Management (Longleaf) is the only superinvestor holding it.
Q3 2025 vs. Q2 2025
How the institutions holding Affiliated Managers Group, Inc. changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Of which not filed for Q3 2025 | Q3 2025 | Change |
|---|---|---|---|---|
| Holders | 432 | 7 | 451 | +26 |
| Shares | 26.9M | 374.5K | 26.5M | +5.51K (0.0%) |
| Value | $5.28B | $73.7M | $6.32B | +$1.11B (+21.2%) |
7 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (61)
Institutions that held Affiliated Managers Group, Inc. at the end of Q3 2025 but not at the end of Q2 2025.
Sold out (35)
Institutions that held Affiliated Managers Group, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.
Not filed for Q3 2025 yet (7)
Institutions that held Affiliated Managers Group, Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Norges Bank | 364,786 | $71.8M |
| Congress Wealth Management LLC | 3,434 | $675.9K |
| Forte Capital LLC | 3,425 | $673.9K |
| EP Wealth Advisors, LLC | 2,602 | $512.0K |
| First Horizon Advisors, Inc. | 194 | $38.2K |
| Capital A Wealth Management, LLC | 33 | $5.00K |
| Parkworth Wealth Management, Inc. | 1 | $197 |