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.
Q4 2023 vs. Q3 2023
How the institutions holding Affiliated Managers Group, Inc. changed between Q3 2023 and Q4 2023.
All holders in Q4 2023All holders in Q3 2023
| Measure | Q3 2023 | Of which not filed for Q4 2023 | Q4 2023 | Change |
|---|---|---|---|---|
| Holders | 360 | 6 | 386 | +32 |
| Shares | 31.8M | 55.4K | 31.5M | −232.9K (−0.7%) |
| Value | $4.16B | $7.22M | $4.77B | +$622.7M (+15.0%) |
6 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.
New holders (67)
Institutions that held Affiliated Managers Group, Inc. at the end of Q4 2023 but not at the end of Q3 2023.
Sold out (35)
Institutions that held Affiliated Managers Group, Inc. at the end of Q3 2023 and filed for Q4 2023 without it.
Not filed for Q4 2023 yet (6)
Institutions that held Affiliated Managers Group, Inc. at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2023 | Value, Q3 2023 |
|---|---|---|
| First Republic Investment Management, Inc. | 19,507 | $2.54M |
| Virginia Retirement Systems Et Al | 19,500 | $2.54M |
| Pathstone Family Office, LLC | 11,665 | $1.52M |
| KB Financial Partners, LLC | 3,976 | $518.0K |
| Column Capital Advisors, LLC | 722 | $94.1K |
| Steward Financial Group LLC | 30 | $3.00K |