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, Q4 2021
Institutional positions in Affiliated Managers Group, Inc. as of Dec 31, 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
- 365
- +35 vs. Q3 2021
- Shares held
- 39.2M
- −749.8K (−1.9%) vs. Q3 2021
- Total value
- $6.45B
- +$409.6M (+6.8%) vs. Q3 2021
- New holders
- 64
- 112 more added
- Sold out
- 29
- 127 more reduced
5 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Affiliated Managers Group, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Barclays PLC | 23,891 | $3.93M | 0.00% | −22,004−47.9% | Reduced |
| State of New Jersey Common Pension Fund D | 23,223 | $3.82M | 0.01% | −943−3.9% | Reduced |
| Yousif Capital Management, LLC | 23,039 | $3.79M | 0.04% | +23,039 | New |
| Public Employees Retirement System of Ohio | 22,322 | $3.67M | 0.01% | −4,524−16.9% | Reduced |
| Paloma Partners Management Co | 22,088 | $3.63M | 0.12% | +22,088 | New |
| Ilmarinen Mutual Pension Insurance Co | 21,705 | $3.57M | 0.04% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 21,382 | $3.52M | 0.02% | +1,659+8.4% | Added |
| Great West Life Assurance Co | 21,274 | $3.50M | 0.01% | +1,046+5.2% | Added |
| Ensign Peak Advisors, Inc | 21,035 | $3.46M | 0.01% | −28,740−57.7% | Reduced |
| Allianz Asset Management GmbH | 20,553 | $3.38M | 0.00% | +3,095+17.7% | Added |
| Price T Rowe Associates Inc | 20,246 | $3.33M | 0.00% | −706−3.4% | Reduced |
| Two Sigma Advisers, LP | 20,200 | $3.32M | 0.01% | +5,000+32.9% | Added |
| Royal Bank of Canada | 19,785 | $3.26M | 0.00% | +1,691+9.3% | Added |
| MetLife Investment Management | 19,700 | $3.24M | 0.03% | −96−0.5% | Reduced |
| Verdence Capital Advisors LLC | 19,105 | $3.14M | 0.37% | +254+1.3% | Added |
| Russell Investments Group, Ltd. | 18,501 | $3.04M | 0.00% | −31,950−63.3% | Reduced |
| Prudential Financial Inc | 17,372 | $2.86M | 0.00% | +5,423+45.4% | Added |
| Dorsey Wright & Associates | 16,509 | $2.72M | 0.56% | +510+3.2% | Added |
| AlphaCrest Capital Management LLC | 16,434 | $2.70M | 0.10% | +13,572+474.2% | Added |
| Comerica Bank | 19,242 | $2.70M | 0.02% | +270+1.4% | Added |
| Poehling Capital Management, LLC | 16,160 | $2.66M | 0.86% | −121−0.7% | Reduced |
| Pinebridge Investments, L.P. | 15,889 | $2.61M | 0.03% | −11,045−41.0% | Reduced |
| Henshaw Capital LLC | 15,138 | $2.49M | 0.14% | +10.0% | Added |
| Long Road Investment Counsel, LLC | 15,045 | $2.48M | 0.98% | 00.0% | Unchanged |
| Blair William & Co | 15,005 | $2.47M | 0.01% | +20.0% | Added |
| State of Alaska, Department of Revenue | 14,815 | $2.44M | 0.02% | −494−3.2% | Reduced |
| Westpac Banking Corp | 14,760 | $2.43M | 0.03% | +890+6.4% | Added |
| Treasurer of the State of North Carolina | 14,693 | $2.42M | 0.01% | −100−0.7% | Reduced |
| HRT Financial LP | 14,589 | $2.40M | 0.01% | +1,011+7.4% | Added |
| Twinbeech Capital LP | 14,580 | $2.40M | 0.14% | +14,580 | New |
| BNP Paribas Arbitrage, SA | 14,354 | $2.36M | 0.01% | −12,088−45.7% | Reduced |
| Envestnet Asset Management Inc | 14,046 | $2.31M | 0.00% | +3,508+33.3% | Added |
| Vident Investment Advisory, LLC | 13,945 | $2.29M | 0.06% | +779+5.9% | Added |
| Alaska Permanent Fund Corp | 15,300 | $2.24M | 0.04% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 13,500 | $2.22M | 0.02% | +2,900+27.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,478 | $2.22M | 0.02% | −135−1.0% | Reduced |
| Oregon Public Employees Retirement Fund | 13,402 | $2.21M | 0.02% | −640−4.6% | Reduced |
| Capitolis Advisors LLC | 13,125 | $2.16M | 0.01% | 00.0% | Unchanged |
| South Dakota Investment Council | 12,665 | $2.08M | 0.03% | 00.0% | Unchanged |
| Natixis Advisors, L.P. | 12,431 | $2.04M | 0.01% | +1,349+12.2% | Added |
| Sepio Capital, LP | 11,871 | $1.95M | 0.15% | −1,118−8.6% | Reduced |
| The PNC Financial Services Group, Inc. | 11,463 | $1.89M | 0.00% | +277+2.5% | Added |
| Seascape Capital Management | 11,327 | $1.86M | 0.87% | +932+9.0% | Added |
| Twin Tree Management, LP | 11,321 | $1.86M | 0.05% | −6,960−38.1% | Reduced |
| Brandywine Global Investment Management, LLC | 11,172 | $1.84M | 0.01% | −79−0.7% | Reduced |
| Arizona State Retirement System | 11,090 | $1.82M | 0.01% | −251−2.2% | Reduced |
| Ameritas Investment Partners, Inc. | 10,915 | $1.80M | 0.06% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 10,719 | $1.76M | 0.00% | −52−0.5% | Reduced |
| Empowered Funds, LLC | 10,713 | $1.76M | 0.20% | +300+2.9% | Added |
| Louisiana State Employees Retirement System | 10,500 | $1.73M | 0.04% | 00.0% | Unchanged |
| State of Michigan Retirement System | 10,266 | $1.69M | 0.01% | −100−1.0% | Reduced |
| Engineers Gate Manager LP | 10,216 | $1.68M | 0.08% | +10,216 | New |
| Guggenheim Capital LLC | 10,192 | $1.68M | 0.01% | +5,467+115.7% | Added |
| SG Americas Securities, LLC | 10,177 | $1.67M | 0.01% | +8,570+533.3% | Added |
| Neuberger Berman Group LLC | 10,065 | $1.62M | 0.00% | +3,587+55.4% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 9,765 | $1.61M | 0.00% | −1,060−9.8% | Reduced |
| Advisor Group Holdings, Inc. | 9,553 | $1.57M | 0.00% | +1,552+19.4% | Added |
| STRS Ohio | 9,249 | $1.52M | 0.01% | −483−5.0% | Reduced |
| New Mexico Educational Retirement Board | 8,800 | $1.45M | 0.05% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 8,634 | $1.42M | 0.00% | +4,338+101.0% | Added |
| Gotham Asset Management, LLC | 8,346 | $1.37M | 0.04% | +486+6.2% | Added |
| Commerce Bank | 8,177 | $1.34M | 0.01% | −638−7.2% | Reduced |
| DekaBank Deutsche Girozentrale | 8,000 | $1.32M | 0.00% | +8,000 | New |
| Charles Carroll Financial Partners, LLC | 8,050 | $1.32M | 1.31% | +8,050 | New |
| Redwood Investment Management, LLC | 8,032 | $1.32M | 0.17% | +8,032 | New |
| Teacher Retirement System of Texas | 8,005 | $1.32M | 0.01% | +1,304+19.5% | Added |
| Handelsbanken Fonder AB | 7,800 | $1.28M | 0.01% | −400−4.9% | Reduced |
| Federated Hermes, Inc. | 7,735 | $1.27M | 0.00% | −1,007−11.5% | Reduced |
| Regions Financial Corp | 7,601 | $1.25M | 0.01% | −1,655−17.9% | Reduced |
| Natixis | 7,600 | $1.25M | 0.00% | +7,600 | New |
| Utah Retirement Systems | 7,380 | $1.21M | 0.02% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 7,271 | $1.20M | 0.02% | −250−3.3% | Reduced |
| Bridgewater Associates, LP | 7,205 | $1.19M | 0.01% | −9,216−56.1% | Reduced |
| SEI Investments Co | 7,787 | $1.18M | 0.00% | −4,492−36.6% | Reduced |
| ProShare Advisors LLC | 7,171 | $1.18M | 0.00% | +785+12.3% | Added |
| Bank of New Hampshire | 7,136 | $1.17M | 0.29% | +248+3.6% | Added |
| Shilanski & Associates, Inc. | 7,024 | $1.16M | 0.49% | +24+0.3% | Added |
| Cubic Asset Management, LLC | 6,899 | $1.14M | 0.26% | 00.0% | Unchanged |
| Northwestern Mutual Investment Management Company, LLC | 6,739 | $1.11M | 0.02% | −68−1.0% | Reduced |
| Tower Research Capital LLC (TRC) | 6,665 | $1.10M | 0.02% | +2,711+68.6% | Added |
| APG Asset Management N.V. | 7,435 | $1.08M | 0.00% | −4,500−37.7% | Reduced |
| HSBC Holdings PLC | 6,429 | $1.07M | 0.00% | +1,701+36.0% | Added |
| FIL Ltd | 6,409 | $1.05M | 0.00% | +4,966+344.1% | Added |
| Teachers Retirement System of the State of Kentucky | 6,400 | $1.05M | 0.01% | −800−11.1% | Reduced |
| Duality Advisers, LP | 6,394 | $1.05M | 0.11% | +1,779+38.5% | Added |
| Public Employees Retirement Association of Colorado | 6,390 | $1.05M | 0.00% | −144−2.2% | Reduced |
| Algert Global LLC | 6,351 | $1.04M | 0.13% | +230+3.8% | Added |
| Ergoteles LLC | 6,326 | $1.04M | 0.04% | +2,838+81.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,950 | $979.0K | 0.00% | +1,537+34.8% | Added |
| Pacer Advisors, Inc. | 5,941 | $977.0K | 0.01% | −56−0.9% | Reduced |
| Fisher Asset Management, LLC | 5,677 | $934.0K | 0.00% | −888−13.5% | Reduced |
| RMB Capital Management, LLC | 5,600 | $921.0K | 0.03% | −1,400−20.0% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 5,601 | $921.0K | 0.00% | −763−12.0% | Reduced |
| ExodusPoint Capital Management, LP | 5,416 | $891.0K | 0.01% | +2,118+64.2% | Added |
| CWM Advisors, LLC | 5,213 | $858.0K | 0.10% | −1,687−24.4% | Reduced |
| Guinness Asset Management LTD | 5,190 | $854.0K | 0.03% | +1,500+40.7% | Added |
| Raymond James Trust N.A. | 5,095 | $839.0K | 0.02% | +30+0.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 5,066 | $833.0K | 0.00% | +5,066 | New |
| State of Wisconsin Investment Board | 4,947 | $814.0K | 0.00% | −201−3.9% | Reduced |
| US Bancorp | 4,916 | $808.0K | 0.00% | +88+1.8% | Added |