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 2024
Institutional positions in Affiliated Managers Group, Inc. as of Sep 30, 2024. 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
- 422
- +19 vs. Q2 2024
- Shares held
- 28.3M
- +2.20M (+8.4%) vs. Q2 2024
- Total value
- $5.04B
- +$955.4M (+23.4%) vs. Q2 2024
- New holders
- 60
- 150 more added
- Sold out
- 41
- 142 more reduced
4 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: 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 2024
Shares, value and share of portfolio for each institution holding Affiliated Managers Group, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Lazard Asset Management LLC | 22,816 | $4.05M | 0.01% | +4,509+24.6% | Added |
| Prudential Financial Inc | 22,471 | $4.00M | 0.01% | −3,977−15.0% | Reduced |
| Citigroup Inc | 22,387 | $3.98M | 0.00% | −707−3.1% | Reduced |
| Susquehanna International Group, LLP | 21,848 | $3.88M | 0.01% | +6,111+38.8% | Added |
| Schonfeld Strategic Advisors LLC | 21,793 | $3.87M | 0.03% | +9,359+75.3% | Added |
| Oppenheimer Asset Management Inc. | 21,052 | $3.74M | 0.05% | −677−3.1% | Reduced |
| Danske Bank A/S | 20,932 | $3.72M | 0.01% | +12,199+139.7% | Added |
| Teacher Retirement System of Texas | 19,069 | $3.39M | 0.02% | +791+4.3% | Added |
| Verdence Capital Advisors LLC | 18,711 | $3.33M | 0.27% | +807+4.5% | Added |
| Poehling Capital Management, LLC | 18,512 | $3.29M | 0.84% | −253−1.3% | Reduced |
| State of Alaska, Department of Revenue | 18,475 | $3.28M | 0.03% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 18,451 | $3.28M | 0.07% | +2,426+15.1% | Added |
| Two Sigma Investments, LP | 18,274 | $3.25M | 0.01% | +15,603+584.2% | Added |
| Alaska Permanent Fund Corp | 17,371 | $3.09M | 0.05% | 00.0% | Unchanged |
| Amplius Wealth Advisors, LLC | 17,195 | $3.06M | 0.33% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 17,124 | $3.04M | 0.05% | +13,446+365.6% | Added |
| Illinois Municipal Retirement Fund | 17,007 | $3.02M | 0.04% | 00.0% | Unchanged |
| Henshaw Capital LLC | 16,993 | $3.02M | 0.13% | +10.0% | Added |
| Carnegie Capital Asset Management, LLC | 16,857 | $3.00M | 0.09% | −400−2.3% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 16,343 | $2.91M | 0.01% | −1,079−6.2% | Reduced |
| Seascape Capital Management | 16,152 | $2.87M | 1.02% | +151+0.9% | Added |
| Mutual of America Capital Management LLC | 16,114 | $2.87M | 0.03% | −2,131−11.7% | Reduced |
| Nkcfo LLC | 15,900 | $2.83M | 1.35% | +15,900 | New |
| MetLife Investment Management | 15,436 | $2.74M | 0.02% | −1,344−8.0% | Reduced |
| Pathstone Holdings, LLC | 14,744 | $2.62M | 0.01% | +15+0.1% | Added |
| Long Road Investment Counsel, LLC | 14,535 | $2.58M | 1.03% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 14,495 | $2.58M | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 14,102 | $2.51M | 0.02% | −5,883−29.4% | Reduced |
| Royal Bank of Canada | 13,878 | $2.47M | 0.00% | +6,764+95.1% | Added |
| Wellington Management Group LLP | 13,796 | $2.45M | 0.00% | −1,188−7.9% | Reduced |
| CI Private Wealth, LLC | 13,780 | $2.45M | 0.00% | +1,679+13.9% | Added |
| Dynamic Technology Lab Private Ltd | 13,277 | $2.36M | 0.25% | +11,247+554.0% | Added |
| State of Tennessee, Treasury Department | 13,215 | $2.35M | 0.01% | −8,380−38.8% | Reduced |
| Comerica Bank | 13,179 | $2.34M | 0.01% | −1,599−10.8% | Reduced |
| Eagle Asset Management Inc | 12,428 | $2.30M | 0.01% | +2,106+20.4% | Added |
| Natixis Advisors, L.P. | 12,856 | $2.29M | 0.00% | +383+3.1% | Added |
| Callodine Capital Management, LP | 12,500 | $2.22M | 0.46% | +12,500 | New |
| Blair William & Co | 12,493 | $2.22M | 0.01% | −412−3.2% | Reduced |
| Algebris (UK) Ltd | 13,773 | $2.20M | 0.92% | −13,058−48.7% | Reduced |
| Quest Partners LLC | 12,268 | $2.18M | 0.19% | +6,424+109.9% | Added |
| JustInvest LLC | 12,111 | $2.15M | 0.03% | +1,911+18.7% | Added |
| Quantinno Capital Management LP | 12,066 | $2.15M | 0.03% | +6,284+108.7% | Added |
| Weiss Asset Management LP | 11,980 | $2.13M | 0.05% | +11,980 | New |
| Teachers Retirement System of the State of Kentucky | 11,822 | $2.10M | 0.02% | −280−2.3% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 11,745 | $2.09M | 0.02% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 11,653 | $2.07M | 0.02% | −2,384−17.0% | Reduced |
| STRS Ohio | 11,455 | $2.04M | 0.01% | −599−5.0% | Reduced |
| State of New Jersey Common Pension Fund D | 11,437 | $2.03M | 0.01% | −301−2.6% | Reduced |
| National Bank of Canada | 11,379 | $2.02M | 0.00% | +8,222+260.4% | Added |
| Twinbeech Capital LP | 10,831 | $1.93M | 0.04% | +10,831 | New |
| CWC Advisors, LLC. | 10,692 | $1.90M | 1.88% | +10,692 | New |
| Asset Management One Co.,Ltd. | 10,594 | $1.88M | 0.01% | +5,142+94.3% | Added |
| First Hawaiian Bank | 10,323 | $1.84M | 0.06% | +6,202+150.5% | Added |
| Cerity Partners LLC | 10,233 | $1.82M | 0.00% | +2,767+37.1% | Added |
| Cresset Asset Management, LLC | 10,182 | $1.81M | 0.01% | +2,139+26.6% | Added |
| Convergence Investment Partners, LLC | 9,530 | $1.69M | 0.46% | +859+9.9% | Added |
| Ensign Peak Advisors, Inc | 9,482 | $1.69M | 0.00% | −420−4.2% | Reduced |
| ClariVest Asset Management LLC | 10,612 | $1.66M | 0.17% | 00.0% | Unchanged |
| Point72 Asia (Singapore) Pte. Ltd. | 9,228 | $1.64M | 0.31% | +5,587+153.4% | Added |
| Arizona State Retirement System | 9,175 | $1.63M | 0.01% | +88+1.0% | Added |
| Redwood Investment Management, LLC | 9,251 | $1.63M | 0.14% | +359+4.0% | Added |
| Pinebridge Investments, L.P. | 9,011 | $1.60M | 0.01% | +9,011 | New |
| HSBC Holdings PLC | 8,664 | $1.53M | 0.00% | −30,741−78.0% | Reduced |
| Nebula Research & Development LLC | 8,416 | $1.50M | 0.18% | +3,364+66.6% | Added |
| Voya Investment Management LLC | 8,408 | $1.49M | 0.00% | −14,785−63.7% | Reduced |
| Alberta Investment Management Corp | 8,400 | $1.49M | 0.01% | +2,900+52.7% | Added |
| Neuberger Berman Group LLC | 8,383 | $1.49M | 0.00% | −532−6.0% | Reduced |
| Louisiana State Employees Retirement System | 8,300 | $1.48M | 0.03% | −700−7.8% | Reduced |
| Diversified Trust Co | 8,281 | $1.47M | 0.04% | +30.0% | Added |
| Nisa Investment Advisors, LLC | 8,124 | $1.44M | 0.01% | 00.0% | Unchanged |
| American Century Companies Inc | 8,081 | $1.44M | 0.00% | +221+2.8% | Added |
| BNP Paribas Arbitrage, SA | 8,058 | $1.43M | 0.00% | −2,388−22.9% | Reduced |
| Wedge Capital Management L L P | 7,983 | $1.42M | 0.02% | +417+5.5% | Added |
| Commerce Bank | 7,833 | $1.39M | 0.01% | 00.0% | Unchanged |
| CenterBook Partners LP | 7,523 | $1.34M | 0.08% | −14,914−66.5% | Reduced |
| Centiva Capital, LP | 7,345 | $1.31M | 0.06% | +7,345 | New |
| CWM, LLC | 7,322 | $1.30M | 0.01% | +4,602+169.2% | Added |
| State of Michigan Retirement System | 7,119 | $1.27M | 0.01% | −600−7.8% | Reduced |
| Sepio Capital, LP | 7,098 | $1.26M | 0.10% | −4−0.1% | Reduced |
| Handelsbanken Fonder AB | 7,100 | $1.26M | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,008 | $1.25M | 0.00% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 7,004 | $1.25M | 0.00% | −695−9.0% | Reduced |
| Aquatic Capital Management LLC | 6,800 | $1.21M | 0.03% | −8,500−55.6% | Reduced |
| Regions Financial Corp | 6,764 | $1.20M | 0.01% | −90−1.3% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 6,614 | $1.18M | 0.03% | −498−7.0% | Reduced |
| Pacer Advisors, Inc. | 6,583 | $1.17M | 0.00% | +1,821+38.2% | Added |
| Hi-Line Capital Management, LLC | 6,581 | $1.17M | 0.57% | −3,409−34.1% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 6,572 | $1.17M | 0.01% | −490−6.9% | Reduced |
| New Mexico Educational Retirement Board | 6,500 | $1.16M | 0.04% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 6,447 | $1.15M | 0.00% | +1,642+34.2% | Added |
| Creative Planning | 6,337 | $1.13M | 0.00% | −146−2.3% | Reduced |
| Verition Fund Management LLC | 6,289 | $1.12M | 0.01% | +4,440+240.1% | Added |
| Ameritas Investment Partners, Inc. | 6,117 | $1.09M | 0.04% | −660−9.7% | Reduced |
| Oregon Public Employees Retirement Fund | 6,092 | $1.08M | 0.02% | −547−8.2% | Reduced |
| Kathmere Capital Management, LLC | 6,002 | $1.07M | 0.10% | +6,002 | New |
| Quantbot Technologies LP | 5,982 | $1.06M | 0.04% | +5,982 | New |
| Citadel Investment Advisory, Inc. | 5,889 | $1.05M | 0.55% | −150−2.5% | Reduced |
| SkyView Investment Advisors, LLC | 5,818 | $1.03M | 0.17% | +137+2.4% | Added |
| Invst, LLC | 5,199 | $924.4K | 0.11% | −9−0.2% | Reduced |
| Custom Index Systems, LLC | 5,196 | $923.8K | 0.50% | +2,307+79.9% | Added |