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, Q2 2021
Institutional positions in Affiliated Managers Group, Inc. as of Jun 30, 2021. 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
- 340
- +20 vs. Q1 2021
- Shares held
- 41.1M
- −1.05M (−2.5%) vs. Q1 2021
- Total value
- $6.34B
- +$55.6M (+0.9%) vs. Q1 2021
- New holders
- 55
- 87 more added
- Sold out
- 35
- 132 more reduced
Compare with Q1 2021: 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, Q2 2021
Shares, value and share of portfolio for each institution holding Affiliated Managers Group, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Qube Research & Technologies Ltd | 26,949 | $4.16M | 0.05% | +26,949 | New |
| Two Sigma Investments, LP | 25,379 | $3.91M | 0.01% | +25,379 | New |
| State of New Jersey Common Pension Fund D | 24,883 | $3.84M | 0.01% | −2,859−10.3% | Reduced |
| Public Employees Retirement System of Ohio | 24,490 | $3.78M | 0.01% | −876−3.5% | Reduced |
| Comerica Bank | 23,104 | $3.66M | 0.02% | −1,134−4.7% | Reduced |
| Rafferty Asset Management, LLC | 23,504 | $3.63M | 0.02% | +813+3.6% | Added |
| Two Sigma Advisers, LP | 22,500 | $3.47M | 0.01% | +10,800+92.3% | Added |
| Assenagon Asset Management S.A. | 21,827 | $3.37M | 0.01% | +21,827 | New |
| Ilmarinen Mutual Pension Insurance Co | 21,705 | $3.35M | 0.04% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 21,513 | $3.32M | 0.02% | −620−2.8% | Reduced |
| MetLife Investment Management | 20,805 | $3.21M | 0.03% | −1,211−5.5% | Reduced |
| APG Asset Management N.V. | 24,135 | $3.14M | 0.01% | −16,800−41.0% | Reduced |
| Price T Rowe Associates Inc | 20,324 | $3.13M | 0.00% | +1,825+9.9% | Added |
| HSBC Holdings PLC | 20,249 | $3.12M | 0.00% | +17,264+578.4% | Added |
| Verdence Capital Advisors LLC | 18,958 | $2.92M | 0.41% | −121−0.6% | Reduced |
| SEI Investments Co | 19,103 | $2.88M | 0.01% | +19,103 | New |
| Hancock Whitney Corp | 18,263 | $2.82M | 0.09% | +4,956+37.2% | Added |
| ExodusPoint Capital Management, LP | 17,535 | $2.70M | 0.04% | +15,451+741.4% | Added |
| Great West Life Assurance Co | 17,077 | $2.63M | 0.01% | −348−2.0% | Reduced |
| BNP Paribas Arbitrage, SA | 16,933 | $2.61M | 0.01% | −506−2.9% | Reduced |
| Squarepoint Ops LLC | 16,612 | $2.56M | 0.02% | −4,807−22.4% | Reduced |
| Poehling Capital Management, LLC | 16,336 | $2.52M | 0.80% | −102−0.6% | Reduced |
| Dorsey Wright & Associates | 16,247 | $2.50M | 0.53% | +16,247 | New |
| Vident Investment Advisory, LLC | 15,837 | $2.44M | 0.07% | −177−1.1% | Reduced |
| Winton Group Ltd | 15,781 | $2.43M | 0.13% | +490+3.2% | Added |
| Alaska Permanent Fund Corp | 15,300 | $2.36M | 0.04% | −18,900−55.3% | Reduced |
| Henshaw Capital LLC | 15,136 | $2.33M | 0.15% | 00.0% | Unchanged |
| Long Road Investment Counsel, LLC | 15,045 | $2.32M | 1.01% | 00.0% | Unchanged |
| Blair William & Co | 15,030 | $2.32M | 0.01% | −4,125−21.5% | Reduced |
| Oregon Public Employees Retirement Fund | 14,535 | $2.24M | 0.03% | −541−3.6% | Reduced |
| Treasurer of the State of North Carolina | 14,444 | $2.23M | 0.01% | −2,070−12.5% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,871 | $2.14M | 0.02% | −348−2.4% | Reduced |
| Sepio Capital, LP | 13,433 | $2.07M | 0.17% | −30.0% | Reduced |
| Bridgewater Associates, LP | 12,915 | $1.99M | 0.01% | −1,220−8.6% | Reduced |
| South Dakota Investment Council | 12,665 | $1.95M | 0.03% | +709+5.9% | Added |
| Gotham Asset Management, LLC | 12,642 | $1.95M | 0.08% | +8,097+178.2% | Added |
| Cubist Systematic Strategies, LLC | 12,447 | $1.92M | 0.02% | +5,581+81.3% | Added |
| STRS Ohio | 11,991 | $1.85M | 0.01% | +476+4.1% | Added |
| Arizona State Retirement System | 11,586 | $1.79M | 0.01% | −1,619−12.3% | Reduced |
| Brandywine Global Investment Management, LLC | 11,531 | $1.78M | 0.01% | −111,930−90.7% | Reduced |
| Nisa Investment Advisors, LLC | 11,485 | $1.77M | 0.01% | −800−6.5% | Reduced |
| Ergoteles LLC | 11,333 | $1.75M | 0.04% | +11,333 | New |
| Ameritas Investment Partners, Inc. | 11,254 | $1.74M | 0.06% | −432−3.7% | Reduced |
| Thrivent Financial for Lutherans | 11,053 | $1.70M | 0.00% | −278−2.5% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 11,029 | $1.70M | 0.00% | +11,029 | New |
| Louisiana State Employees Retirement System | 10,800 | $1.67M | 0.04% | −300−2.7% | Reduced |
| Natixis Advisors, L.P. | 10,773 | $1.66M | 0.01% | −742−6.4% | Reduced |
| AlphaCrest Capital Management LLC | 10,678 | $1.65M | 0.07% | +10,678 | New |
| The PNC Financial Services Group, Inc. | 10,571 | $1.63M | 0.00% | −154−1.4% | Reduced |
| Susquehanna International Group, LLP | 10,527 | $1.62M | 0.00% | +3,431+48.4% | Added |
| State of Michigan Retirement System | 10,466 | $1.61M | 0.01% | −5,300−33.6% | Reduced |
| Envestnet Asset Management Inc | 9,843 | $1.52M | 0.00% | −21,325−68.4% | Reduced |
| Tower Research Capital LLC (TRC) | 9,505 | $1.47M | 0.04% | +6,801+251.5% | Added |
| Regions Financial Corp | 9,256 | $1.43M | 0.01% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 8,969 | $1.38M | 0.00% | +351+4.1% | Added |
| Bank of Montreal | 8,768 | $1.37M | 0.00% | +398+4.8% | Added |
| New Mexico Educational Retirement Board | 8,800 | $1.36M | 0.05% | +600+7.3% | Added |
| Commerce Bank | 8,586 | $1.32M | 0.01% | −153−1.8% | Reduced |
| NN Investment Partners Holdings N.V. | 8,509 | $1.31M | 0.01% | −1,090−11.4% | Reduced |
| Handelsbanken Fonder AB | 8,200 | $1.26M | 0.01% | −300−3.5% | Reduced |
| Voya Investment Management LLC | 8,124 | $1.25M | 0.00% | +1,728+27.0% | Added |
| Steel Peak Wealth Management LLC | 8,100 | $1.25M | 0.09% | +8,100 | New |
| Utah Retirement Systems | 7,880 | $1.22M | 0.02% | −700−8.2% | Reduced |
| Metropolitan Life Insurance Co | 7,865 | $1.21M | 0.02% | −244−3.0% | Reduced |
| Advisor Group Holdings, Inc. | 7,534 | $1.16M | 0.00% | −1,103−12.8% | Reduced |
| State of Alaska, Department of Revenue | 7,276 | $1.12M | 0.01% | −4,331−37.3% | Reduced |
| Teachers Retirement System of the State of Kentucky | 7,200 | $1.11M | 0.01% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 7,064 | $1.09M | 0.00% | −395−5.3% | Reduced |
| Gsa Capital Partners LLP | 7,012 | $1.08M | 0.12% | +7,012 | New |
| RMB Capital Management, LLC | 7,000 | $1.08M | 0.04% | 00.0% | Unchanged |
| HRT Financial LP | 6,973 | $1.07M | 0.01% | −6,872−49.6% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 6,935 | $1.07M | 0.02% | −175−2.5% | Reduced |
| Cubic Asset Management, LLC | 6,911 | $1.07M | 0.26% | 00.0% | Unchanged |
| Bank of New Hampshire | 6,888 | $1.06M | 0.28% | +6,888 | New |
| Shilanski & Associates, Inc. | 6,755 | $1.04M | 0.50% | +6,755 | New |
| ProShare Advisors LLC | 6,726 | $1.04M | 0.00% | −83−1.2% | Reduced |
| Seascape Capital Management | 6,628 | $1.02M | 0.53% | +6,628 | New |
| Fisher Asset Management, LLC | 6,557 | $1.01M | 0.00% | −232−3.4% | Reduced |
| Public Employees Retirement Association of Colorado | 6,534 | $1.01M | 0.00% | 00.0% | Unchanged |
| Maverick Capital LtdSuperinvestorMaverick Capital | 6,171 | $952.0K | 0.01% | +569+10.2% | Added |
| Raymond James Trust N.A. | 6,134 | $946.0K | 0.03% | −368−5.7% | Reduced |
| CWM Advisors, LLC | 6,060 | $935.0K | 0.12% | +699+13.0% | Added |
| Voloridge Investment Management, LLC | 5,846 | $902.0K | 0.01% | +3,198+120.8% | Added |
| Acadian Asset Management LLC | 5,722 | $882.0K | 0.00% | +4,766+498.5% | Added |
| Teacher Retirement System of Texas | 5,579 | $860.0K | 0.00% | +292+5.5% | Added |
| Polar Asset Management Partners Inc. | 5,238 | $808.0K | 0.01% | +3,890+288.6% | Added |
| Twinbeech Capital LP | 5,015 | $773.0K | 0.09% | +5,015 | New |
| Engineers Gate Manager LP | 5,005 | $772.0K | 0.05% | +895+21.8% | Added |
| US Bancorp | 4,968 | $766.0K | 0.00% | +4+0.1% | Added |
| State of Wisconsin Investment Board | 4,957 | $764.0K | 0.00% | −753−13.2% | Reduced |
| Campbell & CO Investment Adviser LLC | 4,931 | $760.0K | 0.33% | +4,931 | New |
| Virginia Retirement Systems Et Al | 4,900 | $756.0K | 0.01% | +4,900 | New |
| Xponance, Inc. | 4,872 | $751.0K | 0.01% | +393+8.8% | Added |
| Rothschild Investment Corp | 4,783 | $738.0K | 0.06% | −91−1.9% | Reduced |
| Wellington Management Group LLP | 4,773 | $736.0K | 0.00% | +1,802+60.7% | Added |
| Snow Capital Management LP | 4,582 | $707.0K | 0.10% | −990−17.8% | Reduced |
| Pacer Advisors, Inc. | 4,494 | $693.0K | 0.01% | −54−1.2% | Reduced |
| Paloma Partners Management Co | 4,491 | $693.0K | 0.02% | +4,491 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,413 | $681.0K | 0.00% | −117−2.6% | Reduced |
| Impax Asset Management Group plc | 4,313 | $665.0K | 0.00% | 00.0% | Unchanged |