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.
13F holders, Q1 2023
Institutional positions in Affiliated Managers Group, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 388
- +25 vs. Q4 2022
- Shares held
- 35.2M
- +246.2K (+0.7%) vs. Q4 2022
- Total value
- $4.92B
- −$578.7M (−10.5%) vs. Q4 2022
- New holders
- 66
- 130 more added
- Sold out
- 41
- 138 more reduced
4 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 567 | $8.53B |
| Q1 2026 | 548 | $6.88B |
| Q4 2025 | 511 | $7.47B |
| Q3 2025 | 451 | $6.32B |
| Q2 2025 | 432 | $5.28B |
| Q1 2025 | 396 | $4.65B |
| Q4 2024 | 408 | $5.21B |
| Q3 2024 | 422 | $5.04B |
| Q2 2024 | 407 | $4.57B |
| Q1 2024 | 403 | $5.10B |
| Q4 2023 | 386 | $4.77B |
| Q3 2023 | 360 | $4.16B |
| Q2 2023 | 381 | $4.94B |
| Q1 2023 | 388 | $4.92B |
| Q4 2022 | 367 | $5.50B |
| Q3 2022 | 329 | $4.06B |
| Q2 2022 | 311 | $4.33B |
| Q1 2022 | 335 | $5.32B |
| Q4 2021 | 365 | $6.45B |
| Q3 2021 | 335 | $6.04B |
| Q2 2021 | 340 | $6.34B |
| Q1 2021 | 320 | $6.28B |
Institutions, Q1 2023
Shares, value and share of portfolio for each institution holding Affiliated Managers Group, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −2,787−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −1,834−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −1,700−100.0% | Sold out |
| Van Eck Associates Corp | 0 | $0 | 0.00% | −1,683−100.0% | Sold out |
| CIBC World Markets Inc. | 0 | $0 | 0.00% | −1,659−100.0% | Sold out |
| Raymond James Financial Services Advisors, Inc. | 0 | $0 | 0.00% | −1,509−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −1,492−100.0% | Sold out |
| Gallacher Capital Management LLC | 0 | $0 | 0.00% | −1,401−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −1,390−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −1,377−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −1,354−100.0% | Sold out |
| Integrated Investment Consultants, LLC | 0 | $0 | 0.00% | −1,350−100.0% | Sold out |
| Tolleson Wealth Management, Inc. | 0 | $0 | 0.00% | −1,319−100.0% | Sold out |
| Apollon Wealth Management, LLC | 0 | $0 | 0.00% | −1,289−100.0% | Sold out |
| Sutton Wealth Advisors Inc. | 0 | $0 | 0.00% | −905−100.0% | Sold out |
| One Wealth Advisors, LLC | 0 | $0 | 0.00% | −674−100.0% | Sold out |
| Lansing Street Advisors | 0 | $0 | 0.00% | −323−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −135−100.0% | Sold out |
| Accurate Wealth Management, LLC | 0 | $0 | 0.00% | −114−100.0% | Sold out |
| Comerica Securities,inc. | 0 | $0 | 0.00% | −105−100.0% | Sold out |
| Repertoire Partners LP | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| U.S. Capital Wealth Advisors, LLC | 0 | $0 | 0.00% | −77−100.0% | Sold out |
| Hallmark Capital Management Inc | 0 | $0 | 0.00% | −58−100.0% | Sold out |
| West Branch Capital LLC | 0 | $0 | 0.00% | −31−100.0% | Sold out |
| Money Concepts Capital Corp | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Zullo Investment Group, Inc. | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Gradient Investments LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Carolinas Wealth Consulting LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Alaska Permanent Fund Corp | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Zeke Capital Advisors, LLC | – | – | – | – | Not filed |
| Sargent Bickham Lagudis LLC | – | – | – | – | Not filed |