Acadian Asset Management Inc.
AAMI- Exchange
- NYSE
- Industry
- Investment Advice
- SEC CIK
- 0001748824
In the last 90 days, Acadian Asset Management Inc. insiders filed 0 open-market purchases and 1 sale; 302 institutions reported holding it in 13F filings for Q2 2026, worth $2.58B in total; Soros Fund Management is the only superinvestor holding it.
13F holders, Q3 2025
Institutional positions in Acadian Asset Management Inc. as of Sep 30, 2025. 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
- 250
- +33 vs. Q2 2025
- Shares held
- 35.0M
- −775.7K (−2.2%) vs. Q2 2025
- Total value
- $1.68B
- +$423.4M (+33.6%) vs. Q2 2025
- New holders
- 54
- 85 more added
- Sold out
- 21
- 88 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AAMI 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 | 302 | $2.58B |
| Q1 2026 | 256 | $1.96B |
| Q4 2025 | 256 | $1.67B |
| Q3 2025 | 250 | $1.68B |
| Q2 2025 | 218 | $1.26B |
| Q1 2025 | 191 | $929.0M |
| Q4 2024 | 179 | $994.2M |
| Q3 2024 | 172 | $943.8M |
| Q2 2024 | 164 | $843.2M |
| Q1 2024 | 168 | $894.4M |
| Q4 2023 | 171 | $786.6M |
| Q3 2023 | 163 | $797.6M |
| Q2 2023 | 156 | $864.2M |
| Q1 2023 | 166 | $981.8M |
| Q4 2022 | 144 | $871.9M |
| Q3 2022 | 151 | $635.2M |
| Q2 2022 | 152 | $767.4M |
| Q1 2022 | 163 | $1.07B |
| Q4 2021 | 180 | $1.20B |
| Q3 2021 | 178 | $2.07B |
| Q2 2021 | 167 | $1.85B |
| Q1 2021 | 169 | $1.61B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Acadian Asset Management Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Paulson & Co. Inc. | 7,743,282 | $372.9M | 12.56% | −1,206,839−13.5% | Reduced |
| BlackRock, Inc. | 4,762,717 | $229.4M | 0.00% | −331,278−6.5% | Reduced |
| Vanguard Group Inc | 2,348,586 | $113.1M | 0.00% | −32,520−1.4% | Reduced |
| Jennison Associates LLC | 1,729,842 | $83.3M | 0.05% | −361,249−17.3% | Reduced |
| Empyrean Capital Partners, LP | 1,541,108 | $74.2M | 2.98% | −339,526−18.1% | Reduced |
| State Street Corp | 1,200,703 | $57.8M | 0.00% | −12,816−1.1% | Reduced |
| Dimensional Fund Advisors LP | 953,382 | $45.9M | 0.01% | −23,397−2.4% | Reduced |
| Impax Asset Management Group plc | 765,484 | $36.9M | 0.22% | −234,516−23.5% | Reduced |
| Geode Capital Management, LLC | 656,190 | $31.6M | 0.00% | +28,647+4.6% | Added |
| Nuveen, LLC | 640,554 | $30.8M | 0.01% | +8,518+1.3% | Added |
| Arrowstreet Capital, Limited Partnership | 619,344 | $29.8M | 0.02% | +8,365+1.4% | Added |
| North Reef Capital Management LP | 511,452 | $24.6M | 1.15% | +31,452+6.6% | Added |
| Morgan Stanley | 470,764 | $22.7M | 0.00% | +21,815+4.9% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 457,128 | $22.0M | 0.35% | +41,535+10.0% | Added |
| Charles Schwab Investment Management Inc | 448,961 | $21.6M | 0.00% | +59,185+15.2% | Added |
| Invesco Ltd. | 420,414 | $20.2M | 0.00% | +176,144+72.1% | Added |
| Jacobs Levy Equity Management, Inc | 416,498 | $20.1M | 0.08% | +416,498 | New |
| GW&K Investment Management, LLC | 383,707 | $18.5M | 0.16% | +383,707 | New |
| Systematic Alpha Investments, LLC | 370,108 | $17.8M | 0.59% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 342,621 | $16.5M | 0.03% | +52,298+18.0% | Added |
| Two Sigma Advisers, LP | 309,575 | $14.9M | 0.03% | −42,200−12.0% | Reduced |
| Two Sigma Investments, LP | 306,296 | $14.8M | 0.02% | +60,296+24.5% | Added |
| Northern Trust Corp | 287,752 | $13.9M | 0.00% | −15,500−5.1% | Reduced |
| William Blair Investment Management, LLC | 281,318 | $13.5M | 0.04% | −430,764−60.5% | Reduced |
| Allspring Global Investments Holdings, LLC | 289,038 | $13.4M | 0.02% | +78,623+37.4% | Added |
| Amundi | 252,410 | $11.4M | 0.00% | +252,410 | New |
| Tudor Investment Corp Et Al | 225,579 | $10.9M | 0.07% | +67,385+42.6% | Added |
| Goldman Sachs Group Inc | 218,586 | $10.5M | 0.00% | +81,584+59.5% | Added |
| Bank of New York Mellon Corp | 208,778 | $10.1M | 0.00% | −16,455−7.3% | Reduced |
| Millennium Management LLC | 202,285 | $9.74M | 0.01% | +187,921+1,308.3% | Added |
| UBS Group AG | 176,236 | $8.49M | 0.00% | −54,310−23.6% | Reduced |
| Qube Research & Technologies Ltd | 165,135 | $7.95M | 0.01% | +42,100+34.2% | Added |
| Deutsche Bank AG | 153,726 | $7.40M | 0.00% | −8,296−5.1% | Reduced |
| Jane Street Group, LLC | 153,464 | $7.39M | 0.01% | +138,507+926.0% | Added |
| Principal Financial Group Inc | 153,462 | $7.39M | 0.00% | +20,210+15.2% | Added |
| Brightlight Capital Management LP | 150,100 | $7.23M | 4.37% | −49,900−25.0% | Reduced |
| FMR LLC | 147,158 | $7.09M | 0.00% | +50,166+51.7% | Added |
| Man Group plc | 127,151 | $6.12M | 0.01% | +20,811+19.6% | Added |
| Victory Capital Management Inc | 120,655 | $5.81M | 0.00% | −177,203−59.5% | Reduced |
| EJF Capital LLC | 116,043 | $5.59M | 3.25% | −9,100−7.3% | Reduced |
| Jupiter Asset Management Ltd | 105,232 | $5.07M | 0.04% | +38,097+56.7% | Added |
| Public Sector Pension Investment Board | 103,369 | $4.98M | 0.02% | −11,171−9.8% | Reduced |
| JPMorgan Chase & Co | 98,573 | $4.75M | 0.00% | −99,036−50.1% | Reduced |
| EAM Investors, LLC | 99,149 | $4.70M | 0.54% | −4,983−4.8% | Reduced |
| Algert Global LLC | 89,107 | $4.29M | 0.07% | +19,890+28.7% | Added |
| D. E. Shaw & Co., Inc. | 88,095 | $4.24M | 0.00% | −10,454−10.6% | Reduced |
| LSV Asset Management | 84,400 | $4.07M | 0.01% | +6,600+8.5% | Added |
| Ameriprise Financial Inc | 83,547 | $4.02M | 0.00% | −23,852−22.2% | Reduced |
| Dark Forest Capital Management LP | 83,543 | $4.02M | 0.15% | +49,500+145.4% | Added |
| Bank of America Corp | 82,799 | $3.99M | 0.00% | −15,580−15.8% | Reduced |
| Rhumbline Advisers | 80,044 | $3.85M | 0.00% | −1,686−2.1% | Reduced |
| Voloridge Investment Management, LLC | 79,591 | $3.83M | 0.01% | +64,066+412.7% | Added |
| AQR Capital Management LLC | 76,608 | $3.69M | 0.00% | +9,916+14.9% | Added |
| American Century Companies Inc | 73,210 | $3.53M | 0.00% | +22,902+45.5% | Added |
| Legal & General Group Plc | 71,106 | $3.42M | 0.00% | −2,361−3.2% | Reduced |
| Woodline Partners LP | 70,982 | $3.42M | 0.02% | +70,982 | New |
| Allianz Asset Management GmbH | 66,430 | $3.20M | 0.00% | +33,269+100.3% | Added |
| Renaissance Technologies LLC | 66,100 | $3.18M | 0.00% | −33,828−33.9% | Reduced |
| UBS Asset Management Americas Inc | 65,716 | $3.16M | 0.00% | −59,844−47.7% | Reduced |
| Kestrel Investment Management Corp | 65,381 | $3.15M | 1.77% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 64,750 | $3.12M | 0.00% | +52,317+420.8% | Added |
| Citadel Advisors LLC | 63,953 | $3.08M | 0.00% | −51,623−44.7% | Reduced |
| Teacher Retirement System of Texas | 61,043 | $2.94M | 0.01% | −1,639−2.6% | Reduced |
| Brant Point Investment Management LLC | 60,000 | $2.89M | 0.64% | +33,596+127.2% | Added |
| Nearwater Capital Markets, Ltd | 60,000 | $2.89M | 0.04% | +60,000 | New |
| Prudential Financial Inc | 57,676 | $2.78M | 0.00% | +29,510+104.8% | Added |
| Barclays PLC | 57,452 | $2.77M | 0.00% | −11,590−16.8% | Reduced |
| Boston Partners | 56,188 | $2.71M | 0.00% | +7,104+14.5% | Added |
| Engineers Gate Manager LP | 56,028 | $2.70M | 0.03% | +27,376+95.5% | Added |
| Swiss National Bank | 52,126 | $2.51M | 0.00% | −1,000−1.9% | Reduced |
| Prelude Capital Management, LLC | 51,179 | $2.46M | 0.19% | −11,566−18.4% | Reduced |
| Citigroup Inc | 51,031 | $2.46M | 0.00% | +26,252+105.9% | Added |
| Cubist Systematic Strategies, LLC | 48,025 | $2.31M | 0.03% | +41,412+626.2% | Added |
| Royce & Associates LP | 47,652 | $2.29M | 0.02% | −4,801−9.2% | Reduced |
| Trexquant Investment LP | 45,977 | $2.21M | 0.02% | +45,977 | New |
| Franklin Resources Inc | 42,333 | $2.04M | 0.00% | +5,261+14.2% | Added |
| Zacks Investment Management | 42,207 | $2.03M | 0.02% | +42,207 | New |
| Envestnet Asset Management Inc | 42,186 | $2.03M | 0.00% | +42,186 | New |
| Squarepoint Ops LLC | 38,380 | $1.85M | 0.00% | +38,380 | New |
| State of Wisconsin Investment Board | 37,997 | $1.83M | 0.00% | +29,149+329.4% | Added |
| BNP Paribas Arbitrage, SA | 37,014 | $1.78M | 0.00% | +12,872+53.3% | Added |
| Hillsdale Investment Management Inc. | 36,100 | $1.74M | 0.05% | −24,020−40.0% | Reduced |
| Alliancebernstein L.P. | 35,426 | $1.71M | 0.00% | −600−1.7% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 35,357 | $1.70M | 0.03% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 33,541 | $1.62M | 0.00% | +30,783+1,116.1% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 32,726 | $1.58M | 0.00% | +22,500+220.0% | Added |
| ExodusPoint Capital Management, LP | 32,160 | $1.55M | 0.02% | +32,160 | New |
| Martingale Asset Management L P | 31,728 | $1.53M | 0.04% | +1,821+6.1% | Added |
| Credit Agricole S A | 30,479 | $1.47M | 0.00% | +30,479 | New |
| Linden Thomas Advisory Services, LLC | 29,066 | $1.40M | 0.14% | +1,222+4.4% | Added |
| Royal Bank of Canada | 28,370 | $1.37M | 0.00% | +25,479+881.3% | Added |
| DGS Capital Management, LLC | 27,027 | $1.30M | 0.24% | +761+2.9% | Added |
| SEI Investments Co | 26,635 | $1.28M | 0.00% | −3,923−12.8% | Reduced |
| HRT Financial LP | 26,521 | $1.28M | 0.00% | +26,521 | New |
| HSBC Holdings PLC | 26,470 | $1.27M | 0.00% | −3,791−12.5% | Reduced |
| Creative Planning | 25,956 | $1.25M | 0.00% | +2,771+12.0% | Added |
| LPL Financial LLC | 25,872 | $1.25M | 0.00% | −146−0.6% | Reduced |
| Integrated Quantitative Investments LLC | 25,118 | $1.21M | 0.34% | +25,118 | New |
| Winton Group Ltd | 25,057 | $1.21M | 0.05% | +19,206+328.3% | Added |
| California State Teachers Retirement System | 24,959 | $1.20M | 0.00% | −2,331−8.5% | Reduced |