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 |
|---|---|---|---|---|---|
| Dark Forest Capital Management LP | 83,543 | $4.02M | 0.15% | +49,500+145.4% | Added |
| Ameriprise Financial Inc | 83,547 | $4.02M | 0.00% | −23,852−22.2% | Reduced |
| LSV Asset Management | 84,400 | $4.07M | 0.01% | +6,600+8.5% | Added |
| D. E. Shaw & Co., Inc. | 88,095 | $4.24M | 0.00% | −10,454−10.6% | Reduced |
| Algert Global LLC | 89,107 | $4.29M | 0.07% | +19,890+28.7% | Added |
| EAM Investors, LLC | 99,149 | $4.70M | 0.54% | −4,983−4.8% | Reduced |
| JPMorgan Chase & Co | 98,573 | $4.75M | 0.00% | −99,036−50.1% | Reduced |
| Public Sector Pension Investment Board | 103,369 | $4.98M | 0.02% | −11,171−9.8% | Reduced |
| Jupiter Asset Management Ltd | 105,232 | $5.07M | 0.04% | +38,097+56.7% | Added |
| EJF Capital LLC | 116,043 | $5.59M | 3.25% | −9,100−7.3% | Reduced |
| Victory Capital Management Inc | 120,655 | $5.81M | 0.00% | −177,203−59.5% | Reduced |
| Man Group plc | 127,151 | $6.12M | 0.01% | +20,811+19.6% | Added |
| FMR LLC | 147,158 | $7.09M | 0.00% | +50,166+51.7% | Added |
| Brightlight Capital Management LP | 150,100 | $7.23M | 4.37% | −49,900−25.0% | Reduced |
| Principal Financial Group Inc | 153,462 | $7.39M | 0.00% | +20,210+15.2% | Added |
| Jane Street Group, LLC | 153,464 | $7.39M | 0.01% | +138,507+926.0% | Added |
| Deutsche Bank AG | 153,726 | $7.40M | 0.00% | −8,296−5.1% | Reduced |
| Qube Research & Technologies Ltd | 165,135 | $7.95M | 0.01% | +42,100+34.2% | Added |
| UBS Group AG | 176,236 | $8.49M | 0.00% | −54,310−23.6% | Reduced |
| Millennium Management LLC | 202,285 | $9.74M | 0.01% | +187,921+1,308.3% | Added |
| Bank of New York Mellon Corp | 208,778 | $10.1M | 0.00% | −16,455−7.3% | Reduced |
| Goldman Sachs Group Inc | 218,586 | $10.5M | 0.00% | +81,584+59.5% | Added |
| Tudor Investment Corp Et Al | 225,579 | $10.9M | 0.07% | +67,385+42.6% | Added |
| Amundi | 252,410 | $11.4M | 0.00% | +252,410 | New |
| Allspring Global Investments Holdings, LLC | 289,038 | $13.4M | 0.02% | +78,623+37.4% | Added |
| William Blair Investment Management, LLC | 281,318 | $13.5M | 0.04% | −430,764−60.5% | Reduced |
| Northern Trust Corp | 287,752 | $13.9M | 0.00% | −15,500−5.1% | Reduced |
| Two Sigma Investments, LP | 306,296 | $14.8M | 0.02% | +60,296+24.5% | Added |
| Two Sigma Advisers, LP | 309,575 | $14.9M | 0.03% | −42,200−12.0% | Reduced |
| Federated Hermes, Inc. | 342,621 | $16.5M | 0.03% | +52,298+18.0% | Added |
| Systematic Alpha Investments, LLC | 370,108 | $17.8M | 0.59% | 00.0% | Unchanged |
| GW&K Investment Management, LLC | 383,707 | $18.5M | 0.16% | +383,707 | New |
| Jacobs Levy Equity Management, Inc | 416,498 | $20.1M | 0.08% | +416,498 | New |
| Invesco Ltd. | 420,414 | $20.2M | 0.00% | +176,144+72.1% | Added |
| Charles Schwab Investment Management Inc | 448,961 | $21.6M | 0.00% | +59,185+15.2% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 457,128 | $22.0M | 0.35% | +41,535+10.0% | Added |
| Morgan Stanley | 470,764 | $22.7M | 0.00% | +21,815+4.9% | Added |
| North Reef Capital Management LP | 511,452 | $24.6M | 1.15% | +31,452+6.6% | Added |
| Arrowstreet Capital, Limited Partnership | 619,344 | $29.8M | 0.02% | +8,365+1.4% | Added |
| Nuveen, LLC | 640,554 | $30.8M | 0.01% | +8,518+1.3% | Added |
| Geode Capital Management, LLC | 656,190 | $31.6M | 0.00% | +28,647+4.6% | Added |
| Impax Asset Management Group plc | 765,484 | $36.9M | 0.22% | −234,516−23.5% | Reduced |
| Dimensional Fund Advisors LP | 953,382 | $45.9M | 0.01% | −23,397−2.4% | Reduced |
| State Street Corp | 1,200,703 | $57.8M | 0.00% | −12,816−1.1% | Reduced |
| Empyrean Capital Partners, LP | 1,541,108 | $74.2M | 2.98% | −339,526−18.1% | Reduced |
| Jennison Associates LLC | 1,729,842 | $83.3M | 0.05% | −361,249−17.3% | Reduced |
| Vanguard Group Inc | 2,348,586 | $113.1M | 0.00% | −32,520−1.4% | Reduced |
| BlackRock, Inc. | 4,762,717 | $229.4M | 0.00% | −331,278−6.5% | Reduced |
| Paulson & Co. Inc. | 7,743,282 | $372.9M | 12.56% | −1,206,839−13.5% | Reduced |
| Cornerstone Planning Group LLC | 210 | – | – | +188+854.5% | Added |
| Brandywine Global Investment Management, LLC | 0 | $0 | 0.00% | −40,431−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −40,330−100.0% | Sold out |
| SummerHaven Investment Management, LLC | 0 | $0 | 0.00% | −35,404−100.0% | Sold out |
| Maverick Capital LtdSuperinvestorMaverick Capital | 0 | $0 | 0.00% | −32,476−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −25,378−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −22,121−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −20,609−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −19,300−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −14,505−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −13,316−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −8,376−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −7,999−100.0% | Sold out |
| Maryland State Retirement & Pension System | 0 | $0 | 0.00% | −7,890−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −7,173−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −7,017−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −6,218−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −1,741−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −435−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −95−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −62−100.0% | Sold out |
| First Horizon Advisors, Inc. | – | – | – | – | Not filed |