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, Q3 2022
Institutional positions in Affiliated Managers Group, Inc. as of Sep 30, 2022. 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
- 329
- +20 vs. Q2 2022
- Shares held
- 36.3M
- −759.5K (−2.1%) vs. Q2 2022
- Total value
- $4.06B
- −$265.8M (−6.1%) vs. Q2 2022
- New holders
- 45
- 107 more added
- Sold out
- 25
- 113 more reduced
2 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2022
Shares, value and share of portfolio for each institution holding Affiliated Managers Group, Inc.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Janney Montgomery Scott LLC | 2,874 | $321.0K | 0.00% | +2,874 | New |
| Pictet Asset Management SA | 2,900 | $324.0K | 0.00% | 00.0% | Unchanged |
| Ironwood Investment Counsel, LLC | 2,915 | $326.0K | 0.09% | 00.0% | Unchanged |
| US Bancorp | 2,973 | $333.0K | 0.00% | −89−2.9% | Reduced |
| Bank of New Hampshire | 3,013 | $337.0K | 0.11% | −3,260−52.0% | Reduced |
| Cresset Asset Management, LLC | 3,008 | $337.0K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 3,078 | $344.0K | 0.00% | −118−3.7% | Reduced |
| Crossmark Global Holdings, Inc. | 3,089 | $346.0K | 0.01% | −103−3.2% | Reduced |
| Procyon Private Wealth Partners, LLC | 3,094 | $346.0K | 0.08% | 00.0% | Unchanged |
| Cornerstone Investment Partners, LLC | 3,113 | $348.0K | 0.02% | +12+0.4% | Added |
| Maryland State Retirement & Pension System | 3,129 | $350.0K | 0.03% | 00.0% | Unchanged |
| Guinness Asset Management LTD | 3,279 | $367.0K | 0.01% | −284−8.0% | Reduced |
| Legacy Wealth Asset Management, LLC | 3,325 | $372.0K | 0.16% | +432+14.9% | Added |
| Tower Research Capital LLC (TRC) | 3,456 | $387.0K | 0.01% | −3,708−51.8% | Reduced |
| Securian Asset Management, Inc | 3,526 | $394.0K | 0.01% | 00.0% | Unchanged |
| Virtu Financial LLC | 3,541 | $396.0K | 0.04% | +3,541 | New |
| SG Americas Securities, LLC | 3,587 | $401.0K | 0.01% | −9,368−72.3% | Reduced |
| RBF Capital, LLC | 3,600 | $403.0K | 0.03% | +3,600 | New |
| KB Financial Partners, LLC | 3,744 | $419.0K | 0.15% | +521+16.2% | Added |
| Cornercap Investment Counsel Inc | 3,762 | $421.0K | 0.08% | +33+0.9% | Added |
| Gsa Capital Partners LLP | 3,800 | $425.0K | 0.06% | −9,475−71.4% | Reduced |
| Cubic Asset Management, LLC | 3,834 | $429.0K | 0.13% | 00.0% | Unchanged |
| Bayesian Capital Management, LP | 3,868 | $433.0K | 0.09% | +3,868 | New |
| Welch & Forbes LLC | 3,900 | $436.0K | 0.01% | 00.0% | Unchanged |
| Grantham, Mayo, Van Otterloo & Co. LLC | 3,900 | $436.0K | 0.00% | +800+25.8% | Added |
| SkyView Investment Advisors, LLC | 3,970 | $444.0K | 0.13% | +508+14.7% | Added |
| Impax Asset Management Group plc | 4,012 | $449.0K | 0.00% | −166−4.0% | Reduced |
| Trail Ridge Investment Advisors, LLC | 2,969 | $457.0K | 0.30% | 00.0% | Unchanged |
| Robertson Stephens Wealth Management, LLC | 4,103 | $458.0K | 0.05% | 00.0% | Unchanged |
| Wilkinson Global Asset Management LLC | 4,103 | $459.0K | 0.04% | +600+17.1% | Added |
| Graham Capital Management, L.P. | 4,419 | $494.0K | 0.02% | +4,419 | New |
| Walleye Capital LLC | 4,451 | $498.0K | 0.01% | +4,451 | New |
| Xponance, Inc. | 4,504 | $504.0K | 0.01% | −99−2.2% | Reduced |
| AE Wealth Management LLC | 4,522 | $506.0K | 0.00% | +4,522 | New |
| ProShare Advisors LLC | 4,657 | $521.0K | 0.00% | −207−4.3% | Reduced |
| BNP Paribas Arbitrage, SA | 4,694 | $525.0K | 0.00% | −8,862−65.4% | Reduced |
| Brown Brothers Harriman & Co | 4,798 | $537.0K | 0.01% | +148+3.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,812 | $538.0K | 0.00% | 00.0% | Unchanged |
| CWM Advisors, LLC | 4,826 | $540.0K | 0.08% | −484−9.1% | Reduced |
| ETF Managers Group, LLC | 4,861 | $544.0K | 0.02% | +188+4.0% | Added |
| Winton Group Ltd | 4,874 | $545.0K | 0.04% | +2,062+73.3% | Added |
| Illinois Municipal Retirement Fund | 5,088 | $569.0K | 0.01% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 5,150 | $576.0K | 0.00% | +4,498+689.9% | Added |
| JustInvest LLC | 5,282 | $591.0K | 0.03% | +684+14.9% | Added |
| Guggenheim Capital LLC | 5,378 | $602.0K | 0.01% | −747−12.2% | Reduced |
| Public Employees Retirement Association of Colorado | 5,475 | $612.0K | 0.00% | 00.0% | Unchanged |
| Trexquant Investment LP | 5,471 | $612.0K | 0.02% | +5,471 | New |
| Alberta Investment Management Corp | 5,500 | $615.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 5,504 | $616.0K | 0.00% | −2,286−29.3% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 5,521 | $618.0K | 0.02% | −953−14.7% | Reduced |
| RMB Capital Management, LLC | 5,633 | $630.0K | 0.02% | +33+0.6% | Added |
| Raymond James Trust N.A. | 5,742 | $643.0K | 0.02% | +229+4.2% | Added |
| Handelsbanken Fonder AB | 5,900 | $660.0K | 0.00% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 6,100 | $682.0K | 0.04% | 00.0% | Unchanged |
| Diversified Trust Co | 6,210 | $695.0K | 0.03% | +3,700+147.4% | Added |
| Aviva PLC | 6,551 | $733.0K | 0.00% | +6,551 | New |
| Susquehanna International Group, LLP | 6,562 | $734.0K | 0.00% | −5,909−47.4% | Reduced |
| LPL Financial LLC | 6,711 | $751.0K | 0.00% | +2,714+67.9% | Added |
| Teachers Retirement System of the State of Kentucky | 6,722 | $752.0K | 0.01% | +6,722 | New |
| Utah Retirement Systems | 6,880 | $770.0K | 0.01% | 00.0% | Unchanged |
| Bank of Montreal | 6,876 | $795.0K | 0.00% | −6,731−49.5% | Reduced |
| Cerity Partners LLC | 7,179 | $803.0K | 0.01% | −74−1.0% | Reduced |
| Mackenzie Financial Corp | 7,241 | $810.0K | 0.00% | −286−3.8% | Reduced |
| South Dakota Investment Council | 7,440 | $832.0K | 0.02% | 00.0% | Unchanged |
| Regions Financial Corp | 7,496 | $838.0K | 0.01% | −30.0% | Reduced |
| STRS Ohio | 7,591 | $849.0K | 0.00% | +873+13.0% | Added |
| AlphaCrest Capital Management LLC | 7,777 | $870.0K | 0.05% | +1,054+15.7% | Added |
| Campbell & CO Investment Adviser LLC | 7,840 | $877.0K | 0.20% | +7,840 | New |
| Commerce Bank | 7,977 | $892.0K | 0.01% | −4−0.1% | Reduced |
| Nisa Investment Advisors, LLC | 7,974 | $892.0K | 0.01% | +29+0.4% | Added |
| Marshall Wace, LLP | 8,029 | $898.0K | 0.00% | +8,029 | New |
| State of Alaska, Department of Revenue | 8,195 | $916.0K | 0.01% | +2,641+47.6% | Added |
| Fisher Asset Management, LLC | 8,300 | $928.0K | 0.00% | +189+2.3% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 8,333 | $932.0K | 0.00% | 00.0% | Unchanged |
| CenterBook Partners LP | 8,369 | $936.0K | 0.18% | +2,021+31.8% | Added |
| Federated Hermes, Inc. | 8,851 | $990.0K | 0.00% | +1,343+17.9% | Added |
| Voya Investment Management LLC | 9,592 | $1.07M | 0.00% | −276−2.8% | Reduced |
| State of Michigan Retirement System | 9,619 | $1.08M | 0.01% | −200−2.0% | Reduced |
| Captrust Financial Advisors | 9,788 | $1.09M | 0.01% | +7,941+429.9% | Added |
| Ameritas Investment Partners, Inc. | 9,831 | $1.10M | 0.05% | −483−4.7% | Reduced |
| The PNC Financial Services Group, Inc. | 9,957 | $1.11M | 0.00% | −129−1.3% | Reduced |
| Thrivent Financial for Lutherans | 10,117 | $1.13M | 0.00% | −29−0.3% | Reduced |
| Louisiana State Employees Retirement System | 10,200 | $1.14M | 0.03% | 00.0% | Unchanged |
| Pathstone Family Office, LLC | 10,387 | $1.16M | 0.02% | +1,314+14.5% | Added |
| Maltese Capital Management LLC | 10,500 | $1.18M | 0.28% | +10,500 | New |
| Arizona State Retirement System | 10,510 | $1.18M | 0.01% | −270−2.5% | Reduced |
| Magnetar Financial LLC | 10,587 | $1.18M | 0.02% | +10,587 | New |
| Oregon Public Employees Retirement Fund | 11,161 | $1.25M | 0.02% | −541−4.6% | Reduced |
| Redwood Investment Management, LLC | 11,237 | $1.26M | 0.26% | +738+7.0% | Added |
| Sepio Capital, LP | 11,394 | $1.27M | 0.13% | −140−1.2% | Reduced |
| Gotham Asset Management, LLC | 12,152 | $1.36M | 0.04% | +712+6.2% | Added |
| Seascape Capital Management | 12,288 | $1.37M | 0.94% | −268−2.1% | Reduced |
| DuPont Capital Management Corp | 13,108 | $1.47M | 0.09% | +13,108 | New |
| Natixis Advisors, L.P. | 13,151 | $1.47M | 0.01% | +227+1.8% | Added |
| Neuberger Berman Group LLC | 13,423 | $1.50M | 0.00% | +2,189+19.5% | Added |
| Westpac Banking Corp | 13,910 | $1.56M | 0.02% | −850−5.8% | Reduced |
| Envestnet Asset Management Inc | 14,429 | $1.61M | 0.00% | +1,052+7.9% | Added |
| Blair William & Co | 14,436 | $1.61M | 0.01% | 00.0% | Unchanged |
| Long Road Investment Counsel, LLC | 15,045 | $1.68M | 0.92% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 15,156 | $1.70M | 0.02% | −155−1.0% | Reduced |