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 2022
Institutional positions in Affiliated Managers Group, Inc. as of Dec 31, 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
- 367
- +42 vs. Q3 2022
- Shares held
- 35.0M
- +1.23M (+3.6%) vs. Q3 2022
- Total value
- $5.50B
- +$1.73B (+45.8%) vs. Q3 2022
- New holders
- 74
- 121 more added
- Sold out
- 32
- 117 more reduced
4 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding Affiliated Managers Group, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Prudential Financial Inc | 29,897 | $4.74M | 0.01% | +8,810+41.8% | Added |
| Oppenheimer Asset Management Inc. | 27,117 | $4.30M | 0.07% | −2,080−7.1% | Reduced |
| Martingale Asset Management L P | 26,694 | $4.23M | 0.08% | +556+2.1% | Added |
| Cinctive Capital Management LP | 26,621 | $4.22M | 0.22% | +26,621 | New |
| Algert Global LLC | 25,658 | $4.06M | 0.23% | 00.0% | Unchanged |
| Texas Permanent School Fund | 25,324 | $4.01M | 0.06% | −2,170−7.9% | Reduced |
| Victory Capital Management Inc | 24,944 | $3.95M | 0.00% | −338,533−93.1% | Reduced |
| Ensign Peak Advisors, Inc | 24,635 | $3.90M | 0.01% | −11,590−32.0% | Reduced |
| MetLife Investment Management | 23,712 | $3.76M | 0.03% | −832−3.4% | Reduced |
| First Republic Investment Management, Inc. | 23,441 | $3.71M | 0.01% | −3,074−11.6% | Reduced |
| Voya Investment Management LLC | 22,966 | $3.64M | 0.00% | +13,374+139.4% | Added |
| Carnegie Capital Asset Management, LLC | 22,755 | $3.61M | 0.16% | −543−2.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 21,717 | $3.44M | 0.02% | −1,322−5.7% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 21,705 | $3.44M | 0.05% | 00.0% | Unchanged |
| Weiss Multi-Strategy Advisers LLC | 21,305 | $3.38M | 0.10% | −61,240−74.2% | Reduced |
| State of New Jersey Common Pension Fund D | 21,249 | $3.37M | 0.01% | +960+4.7% | Added |
| Bridgewater Associates, LP | 21,100 | $3.34M | 0.02% | −31,414−59.8% | Reduced |
| Virginia Retirement Systems Et Al | 21,000 | $3.33M | 0.03% | −600−2.8% | Reduced |
| Putnam Investments LLC | 20,572 | $3.26M | 0.01% | +20,572 | New |
| River & Mercantile Asset Management LLP | 20,520 | $3.25M | 0.70% | −16,038−43.9% | Reduced |
| Henshaw Capital LLC | 20,466 | $3.24M | 0.22% | +10.0% | Added |
| Yousif Capital Management, LLC | 20,209 | $3.20M | 0.04% | −583−2.8% | Reduced |
| Price T Rowe Associates Inc | 20,115 | $3.19M | 0.00% | +43+0.2% | Added |
| Vident Investment Advisory, LLC | 19,641 | $3.11M | 0.12% | +19,641 | New |
| Public Employees Retirement System of Ohio | 19,639 | $3.11M | 0.01% | +602+3.2% | Added |
| Alaska Permanent Fund Corp | 18,900 | $2.99M | 0.05% | 00.0% | Unchanged |
| Comerica Bank | 16,933 | $2.83M | 0.02% | −500−2.9% | Reduced |
| Poehling Capital Management, LLC | 17,856 | $2.83M | 1.06% | +416+2.4% | Added |
| Verdence Capital Advisors LLC | 17,018 | $2.70M | 0.33% | −1,273−7.0% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 16,946 | $2.69M | 0.02% | +1,790+11.8% | Added |
| Stifel Financial Corp | 16,943 | $2.68M | 0.00% | +817+5.1% | Added |
| Fred Alger Management, LLC | 16,832 | $2.67M | 0.01% | +60.0% | Added |
| Treasurer of the State of North Carolina | 16,225 | $2.57M | 0.02% | −30−0.2% | Reduced |
| Natixis | 16,200 | $2.57M | 0.02% | +16,200 | New |
| Teacher Retirement System of Texas | 15,224 | $2.41M | 0.02% | −336−2.2% | Reduced |
| Envestnet Asset Management Inc | 15,062 | $2.39M | 0.00% | +633+4.4% | Added |
| Long Road Investment Counsel, LLC | 15,045 | $2.38M | 1.18% | 00.0% | Unchanged |
| Walleye Capital LLC | 14,920 | $2.36M | 0.05% | +10,469+235.2% | Added |
| Blair William & Co | 13,906 | $2.20M | 0.01% | −530−3.7% | Reduced |
| Engineers Gate Manager LP | 13,717 | $2.17M | 0.13% | +11,707+582.4% | Added |
| Jump Financial, LLC | 13,703 | $2.17M | 0.11% | +13,703 | New |
| Citigroup Inc | 13,696 | $2.17M | 0.00% | −4,939−26.5% | Reduced |
| Natixis Advisors, L.P. | 13,612 | $2.16M | 0.01% | +461+3.5% | Added |
| Mackenzie Financial Corp | 13,315 | $2.11M | 0.00% | +6,074+83.9% | Added |
| Trexquant Investment LP | 13,280 | $2.10M | 0.06% | +7,809+142.7% | Added |
| Seascape Capital Management | 12,424 | $1.97M | 1.07% | +136+1.1% | Added |
| Neuberger Berman Group LLC | 12,239 | $1.94M | 0.00% | −1,184−8.8% | Reduced |
| APG Asset Management N.V. | 11,600 | $1.84M | 0.00% | +11,600 | New |
| Graham Capital Management, L.P. | 11,566 | $1.83M | 0.07% | +7,147+161.7% | Added |
| Royal Bank of Canada | 11,539 | $1.83M | 0.00% | +9,301+415.6% | Added |
| Oregon Public Employees Retirement Fund | 11,161 | $1.77M | 0.02% | 00.0% | Unchanged |
| Sepio Capital, LP | 11,029 | $1.75M | 0.15% | −365−3.2% | Reduced |
| Arizona State Retirement System | 10,786 | $1.71M | 0.02% | +276+2.6% | Added |
| Bank of Montreal | 10,458 | $1.68M | 0.00% | +3,582+52.1% | Added |
| Pathstone Family Office, LLC | 10,729 | $1.66M | 0.03% | +342+3.3% | Added |
| Ameritas Investment Partners, Inc. | 9,726 | $1.61M | 0.06% | −105−1.1% | Reduced |
| Louisiana State Employees Retirement System | 10,100 | $1.60M | 0.04% | −100−1.0% | Reduced |
| Thrivent Financial for Lutherans | 10,034 | $1.59M | 0.00% | −83−0.8% | Reduced |
| The PNC Financial Services Group, Inc. | 10,013 | $1.59M | 0.00% | +56+0.6% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 10,000 | $1.58M | 0.01% | +6,100+156.4% | Added |
| Gotham Asset Management, LLC | 9,890 | $1.57M | 0.04% | −2,262−18.6% | Reduced |
| Captrust Financial Advisors | 9,763 | $1.55M | 0.01% | −25−0.3% | Reduced |
| State of Michigan Retirement System | 9,619 | $1.52M | 0.01% | 00.0% | Unchanged |
| Redwood Investment Management, LLC | 9,268 | $1.47M | 0.19% | −1,969−17.5% | Reduced |
| Bayesian Capital Management, LP | 8,868 | $1.40M | 0.21% | +5,000+129.3% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 8,576 | $1.36M | 0.01% | −32,589−79.2% | Reduced |
| Raymond James Trust N.A. | 8,284 | $1.31M | 0.04% | +2,542+44.3% | Added |
| National Bank of Canada | 8,209 | $1.30M | 0.00% | +7,959+3,183.6% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 8,198 | $1.30M | 0.00% | −135−1.6% | Reduced |
| State of Alaska, Department of Revenue | 8,200 | $1.30M | 0.02% | +5+0.1% | Added |
| HSBC Holdings PLC | 8,104 | $1.28M | 0.00% | −14,260−63.8% | Reduced |
| Commerce Bank | 7,977 | $1.26M | 0.01% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 7,974 | $1.26M | 0.01% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 7,932 | $1.26M | 0.00% | +7,932 | New |
| Jane Street Group, LLC | 7,875 | $1.25M | 0.00% | +2,371+43.1% | Added |
| STRS Ohio | 7,850 | $1.24M | 0.01% | +259+3.4% | Added |
| Federated Hermes, Inc. | 7,690 | $1.22M | 0.00% | −1,161−13.1% | Reduced |
| CenterBook Partners LP | 7,642 | $1.21M | 0.20% | −727−8.7% | Reduced |
| Barclays PLC | 7,522 | $1.19M | 0.00% | −10,350−57.9% | Reduced |
| BNP Paribas Arbitrage, SA | 7,422 | $1.18M | 0.00% | +2,728+58.1% | Added |
| JustInvest LLC | 7,347 | $1.16M | 0.05% | +2,065+39.1% | Added |
| DuPont Capital Management Corp | 7,330 | $1.16M | 0.05% | −5,778−44.1% | Reduced |
| Pacer Advisors, Inc. | 7,215 | $1.14M | 0.01% | +7,215 | New |
| Regions Financial Corp | 7,021 | $1.11M | 0.01% | −475−6.3% | Reduced |
| LPL Financial LLC | 6,992 | $1.11M | 0.00% | +281+4.2% | Added |
| Utah Retirement Systems | 6,580 | $1.04M | 0.02% | −300−4.4% | Reduced |
| VisionPoint Advisory Group, LLC | 6,200 | $1.04M | 0.43% | +6,200 | New |
| Gsa Capital Partners LLP | 6,463 | $1.02M | 0.13% | +2,663+70.1% | Added |
| Integrated Advisors Network LLC | 6,439 | $1.02M | 0.07% | +6,439 | New |
| Diversified Trust Co | 6,317 | $1.00M | 0.04% | +107+1.7% | Added |
| Campbell & CO Investment Adviser LLC | 6,205 | $983.1K | 0.24% | −1,635−20.9% | Reduced |
| Teachers Retirement System of the State of Kentucky | 6,122 | $970.0K | 0.01% | −600−8.9% | Reduced |
| New Mexico Educational Retirement Board | 6,100 | $966.0K | 0.05% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 5,900 | $935.0K | 0.01% | 00.0% | Unchanged |
| Cerity Partners LLC | 5,880 | $931.6K | 0.01% | −1,299−18.1% | Reduced |
| RMB Capital Management, LLC | 5,600 | $887.2K | 0.03% | −33−0.6% | Reduced |
| Alberta Investment Management Corp | 5,500 | $871.4K | 0.01% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 5,475 | $867.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,442 | $862.2K | 0.00% | +630+13.1% | Added |
| Aviva PLC | 5,333 | $844.9K | 0.00% | −1,218−18.6% | Reduced |