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 |
|---|---|---|---|---|---|
| EdgePoint Investment Group Inc. | 4,238,169 | $474.0M | 5.30% | −706,714−14.3% | Reduced |
| Vanguard Group Inc | 3,791,126 | $424.0M | 0.01% | +43,391+1.2% | Added |
| BlackRock Inc. | 3,411,411 | $381.6M | 0.01% | +32,947+1.0% | Added |
| Atlanta Capital Management Co L L C | 2,440,141 | $272.9M | 1.22% | +10,116+0.4% | Added |
| Clarkston Capital Partners, LLC | 2,077,383 | $232.4M | 4.57% | +49,201+2.4% | Added |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 1,618,112 | $181.0M | 4.56% | −134,723−7.7% | Reduced |
| FMR LLC | 1,565,145 | $175.1M | 0.02% | −18,809−1.2% | Reduced |
| State Street Corp | 1,271,393 | $142.2M | 0.01% | −36,724−2.8% | Reduced |
| Kiltearn Partners LLP | 1,213,836 | $135.8M | 7.87% | −15,100−1.2% | Reduced |
| Ariel Investments, LLC | 1,145,254 | $128.1M | 1.41% | +35,304+3.2% | Added |
| Lyrical Asset Management LP | 819,830 | $91.7M | 1.90% | −84,530−9.3% | Reduced |
| Dimensional Fund Advisors LP | 777,024 | $86.9M | 0.03% | +18,467+2.4% | Added |
| Spyglass Capital Management LLC | 559,231 | $62.5M | 4.42% | −205,959−26.9% | Reduced |
| Geode Capital Management, LLC | 492,525 | $55.1M | 0.01% | −8,066−1.6% | Reduced |
| Bank of New York Mellon Corp | 413,212 | $46.2M | 0.01% | −19,069−4.4% | Reduced |
| Citadel Advisors LLC | 384,767 | $43.0M | 0.05% | +167,315+76.9% | Added |
| Victory Capital Management Inc | 363,477 | $40.7M | 0.05% | +438+0.1% | Added |
| Norges Bank | 359,544 | $40.2M | 0.01% | +8,128+2.3% | Added |
| Northern Trust Corp | 351,703 | $39.3M | 0.01% | −9,527−2.6% | Reduced |
| Charles Schwab Investment Management Inc | 349,729 | $39.1M | 0.01% | +9,839+2.9% | Added |
| LGT Capital Partners Ltd. | 337,750 | $37.8M | 1.15% | +104,330+44.7% | Added |
| Bruni J V & Co | 314,748 | $35.2M | 5.53% | +195+0.1% | Added |
| Millennium Management LLC | 300,879 | $33.7M | 0.04% | +210,063+231.3% | Added |
| Morgan Stanley | 275,251 | $30.8M | 0.00% | +38,916+16.5% | Added |
| Goldman Sachs Group Inc | 231,082 | $25.8M | 0.01% | −31,523−12.0% | Reduced |
| Bank of America Corp | 208,959 | $23.4M | 0.00% | +648+0.3% | Added |
| Schonfeld Strategic Advisors LLC | 208,454 | $23.3M | 0.20% | +25,788+14.1% | Added |
| Prana Capital Management, LP | 207,547 | $23.2M | 1.58% | +41,369+24.9% | Added |
| JPMorgan Chase & Co | 185,738 | $20.8M | 0.00% | −506,182−73.2% | Reduced |
| Amundi | 163,159 | $19.7M | 0.01% | −109,240−40.1% | Reduced |
| LSV Asset Management | 176,189 | $19.7M | 0.05% | +3,600+2.1% | Added |
| Jupiter Asset Management Ltd | 175,074 | $19.6M | 0.30% | −65,168−27.1% | Reduced |
| Raymond James & Associates | 158,112 | $17.7M | 0.02% | +3,116+2.0% | Added |
| Gillson Capital LP | 152,008 | $17.0M | 1.56% | +51,585+51.4% | Added |
| Principal Financial Group Inc | 149,060 | $16.7M | 0.01% | −3,195−2.1% | Reduced |
| First Trust Advisors LP | 148,272 | $16.6M | 0.02% | +1,011+0.7% | Added |
| Reinhart Partners, Inc. | 146,800 | $16.4M | 1.01% | +31,757+27.6% | Added |
| Polar Capital Holdings Plc | 129,126 | $14.4M | 0.12% | −24,693−16.1% | Reduced |
| Great Lakes Advisors, LLC | 118,826 | $13.3M | 0.29% | +118,826 | New |
| Invesco Ltd. | 115,031 | $12.9M | 0.00% | −12,281−9.6% | Reduced |
| Rhumbline Advisers | 114,170 | $12.8M | 0.02% | +430+0.4% | Added |
| Macquarie Group Ltd | 113,194 | $12.7M | 0.02% | −1,190−1.0% | Reduced |
| Hancock Whitney Corp | 113,608 | $12.7M | 0.54% | −2,054−1.8% | Reduced |
| Nuveen Asset Management, LLC | 102,737 | $11.5M | 0.00% | −5,284−4.9% | Reduced |
| Channing Capital Management, LLC | 96,552 | $10.8M | 0.37% | +4,040+4.4% | Added |
| California Public Employees Retirement System | 95,829 | $10.7M | 0.01% | +3,221+3.5% | Added |
| North Star Asset Management Inc | 95,060 | $10.6M | 0.73% | +2,208+2.4% | Added |
| Schroder Investment Management Group | 94,087 | $10.5M | 0.02% | −4,921−5.0% | Reduced |
| Eaton Vance Management | 91,732 | $10.3M | 0.02% | −317−0.3% | Reduced |
| Swiss National Bank | 91,700 | $10.3M | 0.01% | −2,000−2.1% | Reduced |
| Panagora Asset Management Inc | 90,377 | $10.1M | 0.07% | +47,317+109.9% | Added |
| Wallace Capital Management Inc. | 86,249 | $9.65M | 1.61% | −1,331−1.5% | Reduced |
| D. E. Shaw & Co., Inc. | 82,606 | $9.24M | 0.02% | +34,354+71.2% | Added |
| Weiss Multi-Strategy Advisers LLC | 82,545 | $9.23M | 0.25% | +82,545 | New |
| Wells Fargo & Company | 80,651 | $9.02M | 0.00% | +20,577+34.3% | Added |
| UBS Asset Management Americas Inc | 79,238 | $8.86M | 0.00% | −3,546−4.3% | Reduced |
| Deutsche Bank AG | 78,461 | $8.78M | 0.01% | −1,972−2.5% | Reduced |
| Nordea Investment Management AB | 67,772 | $7.65M | 0.01% | −22,308−24.8% | Reduced |
| Man Group plc | 66,641 | $7.45M | 0.03% | – | – |
| Ameriprise Financial Inc | 63,088 | $7.05M | 0.00% | +3,044+5.1% | Added |
| American International Group, Inc. | 60,320 | $6.75M | 0.05% | −3,576−5.6% | Reduced |
| State of Tennessee, Treasury Department | 59,394 | $6.64M | 0.03% | +17,080+40.4% | Added |
| New York State Teachers Retirement System | 59,023 | $6.60M | 0.02% | −324−0.5% | Reduced |
| Alliancebernstein L.P. | 58,633 | $6.56M | 0.00% | −1,303−2.2% | Reduced |
| Legal & General Group Plc | 56,204 | $6.29M | 0.00% | −3,676−6.1% | Reduced |
| Truist Financial Corp | 55,388 | $6.20M | 0.01% | −303−0.5% | Reduced |
| Los Angeles Capital Management LLC | 54,790 | $6.13M | 0.03% | −56,170−50.6% | Reduced |
| Bridgewater Associates, LP | 52,514 | $5.87M | 0.03% | +15,169+40.6% | Added |
| Hi-Line Capital Management, LLC | 51,733 | $5.79M | 2.33% | +1,261+2.5% | Added |
| Retirement Systems of Alabama | 50,045 | $5.60M | 0.03% | −903−1.8% | Reduced |
| California State Teachers Retirement System | 48,857 | $5.46M | 0.01% | −2,040−4.0% | Reduced |
| Allianz Asset Management GmbH | 46,799 | $5.23M | 0.01% | +15,909+51.5% | Added |
| State Board of Administration of Florida Retirement System | 46,574 | $5.21M | 0.01% | −2,910−5.9% | Reduced |
| Foundry Partners, LLC | 45,857 | $5.13M | 0.32% | +350+0.8% | Added |
| New York State Common Retirement Fund | 43,882 | $4.91M | 0.01% | −2,740−5.9% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 41,165 | $4.60M | 0.02% | +41,165 | New |
| State of Wisconsin Investment Board | 40,967 | $4.58M | 0.01% | −2,766−6.3% | Reduced |
| Storebrand Asset Management AS | 40,849 | $4.57M | 0.03% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 40,500 | $4.53M | 0.01% | +16,300+67.4% | Added |
| Renaissance Technologies LLC | 38,700 | $4.33M | 0.01% | −69,800−64.3% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 38,400 | $4.29M | 0.02% | +38,400 | New |
| Credit Suisse AG | 37,798 | $4.23M | 0.00% | +612+1.6% | Added |
| River & Mercantile Asset Management LLP | 36,558 | $4.09M | 0.78% | −2,060−5.3% | Reduced |
| Ensign Peak Advisors, Inc | 36,225 | $4.05M | 0.01% | +21,760+150.4% | Added |
| Calamos Advisors LLC | 35,430 | $3.96M | 0.02% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 35,000 | $3.92M | 0.04% | +10,000+40.0% | Added |
| Franklin Resources Inc | 34,911 | $3.90M | 0.00% | +31,413+898.0% | Added |
| Wellington Management Group LLP | 34,013 | $3.80M | 0.00% | −1,031−2.9% | Reduced |
| SEI Investments Co | 31,123 | $3.48M | 0.01% | +31,123 | New |
| Manufacturers Life Insurance Company, The | 30,933 | $3.46M | 0.00% | −1,490−4.6% | Reduced |
| Mutual of America Capital Management LLC | 30,716 | $3.44M | 0.05% | −1,649−5.1% | Reduced |
| Bank of Nova Scotia | 30,455 | $3.41M | 0.01% | +30,455 | New |
| UBS Group AG | 30,054 | $3.36M | 0.00% | −2,301−7.1% | Reduced |
| Oppenheimer Asset Management Inc. | 29,197 | $3.27M | 0.06% | +2,472+9.2% | Added |
| Two Sigma Investments, LP | 29,133 | $3.26M | 0.01% | +29,133 | New |
| Texas Permanent School Fund | 27,494 | $3.08M | 0.05% | −692−2.5% | Reduced |
| Amalgamated Bank | 27,372 | $3.06M | 0.03% | −869−3.1% | Reduced |
| Great West Life Assurance Co | 26,868 | $3.00M | 0.01% | +2,008+8.1% | Added |
| First Republic Investment Management, Inc. | 26,515 | $2.97M | 0.01% | +812+3.2% | Added |
| Martingale Asset Management L P | 26,138 | $2.92M | 0.06% | +19,790+311.8% | Added |