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 2021
Institutional positions in Affiliated Managers Group, Inc. as of Sep 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
- 335
- −1 vs. Q2 2021
- Shares held
- 40.0M
- −1.11M (−2.7%) vs. Q2 2021
- Total value
- $6.04B
- −$296.0M (−4.7%) vs. Q2 2021
- New holders
- 36
- 90 more added
- Sold out
- 37
- 141 more reduced
4 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Affiliated Managers Group, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State of New Jersey Common Pension Fund D | 24,166 | $3.65M | 0.01% | −717−2.9% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 21,705 | $3.28M | 0.04% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 20,952 | $3.17M | 0.00% | +628+3.1% | Added |
| Comerica Bank | 18,972 | $3.14M | 0.02% | −4,132−17.9% | Reduced |
| Great West Life Assurance Co | 20,228 | $3.08M | 0.01% | +3,151+18.5% | Added |
| MetLife Investment Management | 19,796 | $2.99M | 0.03% | −1,009−4.8% | Reduced |
| Rafferty Asset Management, LLC | 19,723 | $2.98M | 0.02% | −3,781−16.1% | Reduced |
| Verdence Capital Advisors LLC | 18,851 | $2.85M | 0.37% | −107−0.6% | Reduced |
| Twin Tree Management, LP | 18,281 | $2.76M | 0.08% | +17,355+1,874.2% | Added |
| Royal Bank of Canada | 18,094 | $2.73M | 0.00% | −27,670−60.5% | Reduced |
| Allianz Asset Management GmbH | 17,458 | $2.64M | 0.00% | −20,933−54.5% | Reduced |
| Bridgewater Associates, LP | 16,421 | $2.48M | 0.01% | +3,506+27.1% | Added |
| Poehling Capital Management, LLC | 16,281 | $2.46M | 0.83% | −55−0.3% | Reduced |
| Dorsey Wright & Associates | 15,999 | $2.42M | 0.53% | −248−1.5% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 15,606 | $2.36M | 0.01% | −17,647−53.1% | Reduced |
| Alaska Permanent Fund Corp | 15,300 | $2.31M | 0.05% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 15,309 | $2.31M | 0.02% | +8,033+110.4% | Added |
| Two Sigma Advisers, LP | 15,200 | $2.30M | 0.01% | −7,300−32.4% | Reduced |
| Henshaw Capital LLC | 15,137 | $2.29M | 0.14% | +10.0% | Added |
| Long Road Investment Counsel, LLC | 15,045 | $2.27M | 1.00% | 00.0% | Unchanged |
| Blair William & Co | 15,003 | $2.27M | 0.01% | −27−0.2% | Reduced |
| Treasurer of the State of North Carolina | 14,793 | $2.23M | 0.01% | +349+2.4% | Added |
| Oregon Public Employees Retirement Fund | 14,042 | $2.12M | 0.02% | −493−3.4% | Reduced |
| Westpac Banking Corp | 13,870 | $2.10M | 0.02% | −25,784−65.0% | Reduced |
| Capitolis Advisors LLC | 13,125 | $2.09M | 0.02% | +13,125 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,613 | $2.06M | 0.02% | −258−1.9% | Reduced |
| HRT Financial LP | 13,578 | $2.05M | 0.01% | +6,605+94.7% | Added |
| Vident Investment Advisory, LLC | 13,166 | $1.99M | 0.06% | −2,671−16.9% | Reduced |
| Sepio Capital, LP | 12,989 | $1.96M | 0.16% | −444−3.3% | Reduced |
| Prudential Financial Inc | 11,949 | $1.92M | 0.00% | −50,388−80.8% | Reduced |
| South Dakota Investment Council | 12,665 | $1.91M | 0.03% | 00.0% | Unchanged |
| SEI Investments Co | 12,279 | $1.78M | 0.00% | −6,824−35.7% | Reduced |
| Wellington Management Group LLP | 11,515 | $1.74M | 0.00% | +6,742+141.3% | Added |
| Nisa Investment Advisors, LLC | 11,485 | $1.74M | 0.01% | 00.0% | Unchanged |
| Arizona State Retirement System | 11,341 | $1.71M | 0.01% | −245−2.1% | Reduced |
| Brandywine Global Investment Management, LLC | 11,251 | $1.70M | 0.01% | −280−2.4% | Reduced |
| The PNC Financial Services Group, Inc. | 11,186 | $1.69M | 0.00% | +615+5.8% | Added |
| Natixis Advisors, L.P. | 11,082 | $1.67M | 0.01% | +309+2.9% | Added |
| Ameritas Investment Partners, Inc. | 10,915 | $1.65M | 0.06% | −339−3.0% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 10,825 | $1.64M | 0.00% | −204−1.8% | Reduced |
| Thrivent Financial for Lutherans | 10,771 | $1.63M | 0.00% | −282−2.6% | Reduced |
| Virginia Retirement Systems Et Al | 10,600 | $1.60M | 0.02% | +5,700+116.3% | Added |
| Envestnet Asset Management Inc | 10,538 | $1.59M | 0.00% | +695+7.1% | Added |
| Louisiana State Employees Retirement System | 10,500 | $1.59M | 0.04% | −300−2.8% | Reduced |
| Empowered Funds, LLC | 10,413 | $1.57M | 0.20% | +10,413 | New |
| Seascape Capital Management | 10,395 | $1.57M | 0.81% | +3,767+56.8% | Added |
| State of Michigan Retirement System | 10,366 | $1.57M | 0.01% | −100−1.0% | Reduced |
| APG Asset Management N.V. | 11,935 | $1.56M | 0.00% | −12,200−50.5% | Reduced |
| STRS Ohio | 9,732 | $1.47M | 0.01% | −2,259−18.8% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 9,284 | $1.40M | 0.00% | +7,478+414.1% | Added |
| Marshall Wace North America L.P. | 9,277 | $1.40M | 0.01% | +9,277 | New |
| Regions Financial Corp | 9,256 | $1.40M | 0.01% | 00.0% | Unchanged |
| Winton Group Ltd | 9,186 | $1.39M | 0.08% | −6,595−41.8% | Reduced |
| Commerce Bank | 8,815 | $1.33M | 0.01% | +229+2.7% | Added |
| New Mexico Educational Retirement Board | 8,800 | $1.33M | 0.05% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 8,742 | $1.32M | 0.00% | −227−2.5% | Reduced |
| Squarepoint Ops LLC | 8,378 | $1.27M | 0.01% | −8,234−49.6% | Reduced |
| Handelsbanken Fonder AB | 8,200 | $1.24M | 0.01% | 00.0% | Unchanged |
| Voya Investment Management LLC | 8,016 | $1.21M | 0.00% | −108−1.3% | Reduced |
| Advisor Group Holdings, Inc. | 8,001 | $1.21M | 0.00% | +467+6.2% | Added |
| Nomura Holdings Inc | 7,800 | $1.20M | 0.01% | +7,800 | New |
| Gotham Asset Management, LLC | 7,860 | $1.19M | 0.05% | −4,782−37.8% | Reduced |
| Metropolitan Life Insurance Co | 7,521 | $1.14M | 0.02% | −344−4.4% | Reduced |
| Utah Retirement Systems | 7,380 | $1.11M | 0.02% | −500−6.3% | Reduced |
| Teachers Retirement System of the State of Kentucky | 7,200 | $1.09M | 0.01% | 00.0% | Unchanged |
| Bank of New Hampshire | 6,888 | $1.06M | 0.28% | 00.0% | Unchanged |
| RMB Capital Management, LLC | 7,000 | $1.06M | 0.03% | 00.0% | Unchanged |
| Shilanski & Associates, Inc. | 7,000 | $1.06M | 0.49% | +245+3.6% | Added |
| CWM Advisors, LLC | 6,900 | $1.04M | 0.13% | +840+13.9% | Added |
| Cubic Asset Management, LLC | 6,899 | $1.04M | 0.26% | −12−0.2% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 6,807 | $1.03M | 0.02% | −128−1.8% | Reduced |
| Teacher Retirement System of Texas | 6,701 | $1.01M | 0.01% | +1,122+20.1% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 6,631 | $1.00M | 0.01% | +460+7.5% | Added |
| Fisher Asset Management, LLC | 6,565 | $992.0K | 0.00% | +8+0.1% | Added |
| Public Employees Retirement Association of Colorado | 6,534 | $987.0K | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 6,434 | $972.0K | 0.00% | −28,072−81.4% | Reduced |
| Neuberger Berman Group LLC | 6,478 | $969.0K | 0.00% | +3,694+132.7% | Added |
| ProShare Advisors LLC | 6,386 | $965.0K | 0.00% | −340−5.1% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 6,364 | $962.0K | 0.00% | −700−9.9% | Reduced |
| Meeder Asset Management Inc | 6,365 | $962.0K | 0.05% | +2,592+68.7% | Added |
| Cubist Systematic Strategies, LLC | 6,158 | $930.0K | 0.01% | −6,289−50.5% | Reduced |
| Algert Global LLC | 6,121 | $925.0K | 0.12% | +6,121 | New |
| Pacer Advisors, Inc. | 5,997 | $906.0K | 0.01% | +1,503+33.4% | Added |
| Hancock Whitney Corp | 5,342 | $808.0K | 0.03% | −12,921−70.7% | Reduced |
| Commonwealth Equity Services, LLC | 5,321 | $804.0K | 0.00% | +5,321 | New |
| State of Wisconsin Investment Board | 5,148 | $778.0K | 0.00% | +191+3.9% | Added |
| Qube Research & Technologies Ltd | 5,072 | $766.0K | 0.01% | −21,877−81.2% | Reduced |
| Raymond James Trust N.A. | 5,065 | $765.0K | 0.03% | −1,069−17.4% | Reduced |
| Boston Private Wealth LLC | 4,931 | $745.0K | 0.01% | +1,156+30.6% | Added |
| US Bancorp | 4,828 | $730.0K | 0.00% | −140−2.8% | Reduced |
| HSBC Holdings PLC | 4,728 | $722.0K | 0.00% | −15,521−76.7% | Reduced |
| Rothschild Investment Corp | 4,774 | $721.0K | 0.06% | −9−0.2% | Reduced |
| Guggenheim Capital LLC | 4,725 | $714.0K | 0.00% | +894+23.3% | Added |
| Duality Advisers, LP | 4,615 | $697.0K | 0.05% | +1,184+34.5% | Added |
| Xponance, Inc. | 4,609 | $696.0K | 0.01% | −263−5.4% | Reduced |
| DuPont Capital Management Corp | 4,445 | $672.0K | 0.02% | +822+22.7% | Added |
| ETF Managers Group, LLC | 4,366 | $670.0K | 0.01% | +334+8.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,413 | $667.0K | 0.00% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 4,385 | $663.0K | 0.00% | +132+3.1% | Added |
| Impax Asset Management Group plc | 4,313 | $652.0K | 0.00% | 00.0% | Unchanged |