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 |
|---|---|---|---|---|---|
| Brandywine Global Investment Management, LLC | 11,531 | $1.78M | 0.01% | −111,930−90.7% | Reduced |
| Arizona State Retirement System | 11,586 | $1.79M | 0.01% | −1,619−12.3% | Reduced |
| STRS Ohio | 11,991 | $1.85M | 0.01% | +476+4.1% | Added |
| Cubist Systematic Strategies, LLC | 12,447 | $1.92M | 0.02% | +5,581+81.3% | Added |
| Gotham Asset Management, LLC | 12,642 | $1.95M | 0.08% | +8,097+178.2% | Added |
| South Dakota Investment Council | 12,665 | $1.95M | 0.03% | +709+5.9% | Added |
| Bridgewater Associates, LP | 12,915 | $1.99M | 0.01% | −1,220−8.6% | Reduced |
| Sepio Capital, LP | 13,433 | $2.07M | 0.17% | −30.0% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,871 | $2.14M | 0.02% | −348−2.4% | Reduced |
| Treasurer of the State of North Carolina | 14,444 | $2.23M | 0.01% | −2,070−12.5% | Reduced |
| Oregon Public Employees Retirement Fund | 14,535 | $2.24M | 0.03% | −541−3.6% | Reduced |
| Blair William & Co | 15,030 | $2.32M | 0.01% | −4,125−21.5% | Reduced |
| Long Road Investment Counsel, LLC | 15,045 | $2.32M | 1.01% | 00.0% | Unchanged |
| Henshaw Capital LLC | 15,136 | $2.33M | 0.15% | 00.0% | Unchanged |
| Alaska Permanent Fund Corp | 15,300 | $2.36M | 0.04% | −18,900−55.3% | Reduced |
| Winton Group Ltd | 15,781 | $2.43M | 0.13% | +490+3.2% | Added |
| Vident Investment Advisory, LLC | 15,837 | $2.44M | 0.07% | −177−1.1% | Reduced |
| Dorsey Wright & Associates | 16,247 | $2.50M | 0.53% | +16,247 | New |
| Poehling Capital Management, LLC | 16,336 | $2.52M | 0.80% | −102−0.6% | Reduced |
| Squarepoint Ops LLC | 16,612 | $2.56M | 0.02% | −4,807−22.4% | Reduced |
| BNP Paribas Arbitrage, SA | 16,933 | $2.61M | 0.01% | −506−2.9% | Reduced |
| Great West Life Assurance Co | 17,077 | $2.63M | 0.01% | −348−2.0% | Reduced |
| ExodusPoint Capital Management, LP | 17,535 | $2.70M | 0.04% | +15,451+741.4% | Added |
| Hancock Whitney Corp | 18,263 | $2.82M | 0.09% | +4,956+37.2% | Added |
| SEI Investments Co | 19,103 | $2.88M | 0.01% | +19,103 | New |
| Verdence Capital Advisors LLC | 18,958 | $2.92M | 0.41% | −121−0.6% | Reduced |
| HSBC Holdings PLC | 20,249 | $3.12M | 0.00% | +17,264+578.4% | Added |
| Price T Rowe Associates Inc | 20,324 | $3.13M | 0.00% | +1,825+9.9% | Added |
| APG Asset Management N.V. | 24,135 | $3.14M | 0.01% | −16,800−41.0% | Reduced |
| MetLife Investment Management | 20,805 | $3.21M | 0.03% | −1,211−5.5% | Reduced |
| SG Americas Securities, LLC | 21,513 | $3.32M | 0.02% | −620−2.8% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 21,705 | $3.35M | 0.04% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 21,827 | $3.37M | 0.01% | +21,827 | New |
| Two Sigma Advisers, LP | 22,500 | $3.47M | 0.01% | +10,800+92.3% | Added |
| Rafferty Asset Management, LLC | 23,504 | $3.63M | 0.02% | +813+3.6% | Added |
| Comerica Bank | 23,104 | $3.66M | 0.02% | −1,134−4.7% | Reduced |
| Public Employees Retirement System of Ohio | 24,490 | $3.78M | 0.01% | −876−3.5% | Reduced |
| State of New Jersey Common Pension Fund D | 24,883 | $3.84M | 0.01% | −2,859−10.3% | Reduced |
| Two Sigma Investments, LP | 25,379 | $3.91M | 0.01% | +25,379 | New |
| Qube Research & Technologies Ltd | 26,949 | $4.16M | 0.05% | +26,949 | New |
| Oppenheimer Asset Management Inc. | 27,337 | $4.21M | 0.06% | −154,721−85.0% | Reduced |
| Stifel Financial Corp | 29,172 | $4.50M | 0.01% | +2,849+10.8% | Added |
| Pinebridge Investments, L.P. | 30,049 | $4.63M | 0.05% | +14,376+91.7% | Added |
| Formula Growth Ltd | 31,000 | $4.78M | 0.66% | 00.0% | Unchanged |
| Texas Permanent School Fund | 31,029 | $4.79M | 0.06% | −814−2.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 33,253 | $5.13M | 0.03% | +547+1.7% | Added |
| Marshall Wace, LLP | 34,506 | $5.32M | 0.03% | +10,269+42.4% | Added |
| Calamos Advisors LLC | 35,430 | $5.46M | 0.03% | 00.0% | Unchanged |
| First Republic Investment Management, Inc. | 36,054 | $5.56M | 0.01% | +14,614+68.2% | Added |
| Citigroup Inc | 36,199 | $5.58M | 0.00% | −15,084−29.4% | Reduced |
| Mutual of America Capital Management LLC | 37,178 | $5.73M | 0.06% | −1,375−3.6% | Reduced |
| Nordea Investment Management AB | 38,222 | $5.89M | 0.01% | −2,775−6.8% | Reduced |
| Allianz Asset Management GmbH | 38,391 | $5.92M | 0.01% | −7,167−15.7% | Reduced |
| Amalgamated Bank | 38,799 | $5.98M | 0.05% | +33,202+593.2% | Added |
| Westpac Banking Corp | 39,654 | $6.12M | 0.06% | −1,196−2.9% | Reduced |
| Natixis | 40,600 | $6.26M | 0.03% | +40,600 | New |
| Citadel Advisors LLC | 42,460 | $6.55M | 0.01% | +39,091+1,160.3% | Added |
| Storebrand Asset Management AS | 43,657 | $6.73M | 0.03% | −770−1.7% | Reduced |
| LSV Asset Management | 43,721 | $6.74M | 0.01% | −1,100−2.5% | Reduced |
| Credit Suisse AG | 45,564 | $7.03M | 0.01% | −11,253−19.8% | Reduced |
| Manufacturers Life Insurance Company, The | 45,601 | $7.03M | 0.01% | −2,211−4.6% | Reduced |
| Royal Bank of Canada | 45,764 | $7.06M | 0.00% | +28,996+172.9% | Added |
| Ensign Peak Advisors, Inc | 46,945 | $7.24M | 0.01% | +70+0.1% | Added |
| First Trust Advisors LP | 46,961 | $7.24M | 0.01% | −1,234−2.6% | Reduced |
| Hi-Line Capital Management, LLC | 46,959 | $7.24M | 2.75% | +511+1.1% | Added |
| Renaissance Technologies LLC | 49,400 | $7.62M | 0.01% | +36,286+276.7% | Added |
| Morgan Stanley | 51,170 | $7.89M | 0.00% | −7,377−12.6% | Reduced |
| New York State Common Retirement Fund | 52,468 | $8.09M | 0.01% | −4,200−7.4% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 53,039 | $8.18M | 0.01% | +53,039 | New |
| New York State Teachers Retirement System | 53,358 | $8.23M | 0.02% | +3,095+6.2% | Added |
| Russell Investments Group, Ltd. | 54,188 | $8.35M | 0.01% | +24,468+82.3% | Added |
| Retirement Systems of Alabama | 54,243 | $8.37M | 0.03% | −1,389−2.5% | Reduced |
| Los Angeles Capital Management LLC | 54,327 | $8.38M | 0.04% | −350−0.6% | Reduced |
| State Board of Administration of Florida Retirement System | 55,257 | $8.52M | 0.02% | −1,931−3.4% | Reduced |
| UBS Group AG | 55,285 | $8.53M | 0.00% | +14,458+35.4% | Added |
| Barclays PLC | 55,445 | $8.55M | 0.01% | +20,692+59.5% | Added |
| Susquehanna Fundamental Investments, LLC | 56,184 | $8.66M | 0.16% | 00.0% | Unchanged |
| Prudential Financial Inc | 62,337 | $9.61M | 0.01% | +1,577+2.6% | Added |
| Alliancebernstein L.P. | 66,777 | $10.3M | 0.00% | −1,979−2.9% | Reduced |
| State of Tennessee, Treasury Department | 67,676 | $10.4M | 0.04% | 00.0% | Unchanged |
| Truist Financial Corp | 68,608 | $10.6M | 0.02% | −3,335−4.6% | Reduced |
| Man Group plc | 69,373 | $10.7M | 0.04% | +21,205+44.0% | Added |
| California State Teachers Retirement System | 71,010 | $10.9M | 0.01% | −7,689−9.8% | Reduced |
| Ameriprise Financial Inc | 72,888 | $11.2M | 0.00% | −4,289−5.6% | Reduced |
| American International Group, Inc. | 73,964 | $11.4M | 0.05% | −3,307−4.3% | Reduced |
| Channing Capital Management, LLC | 84,230 | $13.0M | 0.43% | −7,389−8.1% | Reduced |
| Eaton Vance Management | 84,815 | $13.1M | 0.02% | +9,267+12.3% | Added |
| River & Mercantile Asset Management LLP | 84,988 | $13.1M | 0.85% | −1,546−1.8% | Reduced |
| UBS Asset Management Americas Inc | 87,830 | $13.5M | 0.01% | +14,787+20.2% | Added |
| Mackenzie Financial Corp | 89,475 | $13.8M | 0.02% | +14,975+20.1% | Added |
| North Star Asset Management Inc | 90,787 | $14.0M | 0.78% | +438+0.5% | Added |
| American Century Companies Inc | 91,385 | $14.1M | 0.01% | −2,411−2.6% | Reduced |
| Swiss National Bank | 93,900 | $14.5M | 0.01% | −9,800−9.5% | Reduced |
| D. E. Shaw & Co., Inc. | 101,345 | $15.6M | 0.02% | +61,102+151.8% | Added |
| Foundry Partners, LLC | 101,364 | $15.6M | 0.54% | −3,304−3.2% | Reduced |
| California Public Employees Retirement System | 101,945 | $15.7M | 0.01% | −10,478−9.3% | Reduced |
| Fred Alger Management, LLC | 102,514 | $15.8M | 0.04% | −1,215−1.2% | Reduced |
| Legal & General Group Plc | 105,732 | $16.3M | 0.01% | −19,574−15.6% | Reduced |
| Hallmark Capital Management Inc | 109,182 | $16.8M | 1.42% | +109,182 | New |
| Macquarie Group Ltd | 115,084 | $17.7M | 0.01% | −3,074−2.6% | Reduced |