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, Q4 2025
Institutional positions in Acadian Asset Management Inc. as of Dec 31, 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
- 256
- +11 vs. Q3 2025
- Shares held
- 35.4M
- +505.4K (+1.4%) vs. Q3 2025
- Total value
- $1.67B
- −$15.1M (−0.9%) vs. Q3 2025
- New holders
- 36
- 90 more added
- Sold out
- 25
- 100 more reduced
5 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Acadian Asset Management Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Truist Financial Corp | 6,432 | $302.3K | 0.00% | +6,432 | New |
| Abacus Wealth Partners, LLC | 6,499 | $305.4K | 0.03% | +6,499 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 6,542 | $307.5K | 0.00% | −207−3.1% | Reduced |
| Los Angeles Capital Management LLC | 6,352 | $315.7K | 0.00% | −152−2.3% | Reduced |
| PDT Partners, LLC | 6,797 | $319.5K | 0.02% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 6,859 | $322.0K | 0.00% | −950−12.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 6,980 | $328.1K | 0.00% | −730−9.5% | Reduced |
| State of Tennessee, Treasury Department | 6,069 | $336.3K | 0.00% | −17,172−73.9% | Reduced |
| Verition Fund Management LLC | 7,493 | $352.2K | 0.00% | −1,414−15.9% | Reduced |
| Amalgamated Bank | 7,710 | $362.0K | 0.00% | −4−0.1% | Reduced |
| Polymer Capital Management (US) LLC | 7,871 | $369.9K | 0.05% | +459+6.2% | Added |
| Quantbot Technologies LP | 7,902 | $371.4K | 0.01% | +7,043+819.9% | Added |
| Arizona State Retirement System | 7,942 | $373.3K | 0.00% | −30.0% | Reduced |
| Bank of Montreal | 8,111 | $381.2K | 0.00% | 00.0% | Unchanged |
| Anb Bank | 8,178 | $384.4K | 0.15% | −72−0.9% | Reduced |
| Yousif Capital Management, LLC | 7,144 | $385.7K | 0.00% | −1,078−13.1% | Reduced |
| Advisory Services Network, LLC | 8,374 | $393.6K | 0.01% | +42+0.5% | Added |
| New York State Common Retirement Fund | 8,475 | $398.3K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 8,495 | $399.3K | 0.00% | +1,949+29.8% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 8,582 | $403.0K | 0.00% | +8,431+5,583.4% | Added |
| Mangrove Partners | 8,790 | $413.1K | 0.03% | +8,790 | New |
| Lido Advisors, LLC | 8,922 | $427.4K | 0.00% | +298+3.5% | Added |
| Optimist Retirement Group LLC | 9,175 | $431.2K | 0.20% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 9,210 | $432.9K | 0.00% | −2,442−21.0% | Reduced |
| State of Wyoming | 9,274 | $435.9K | 0.05% | +511+5.8% | Added |
| Trexquant Investment LP | 9,504 | $446.7K | 0.00% | −36,473−79.3% | Reduced |
| Brevan Howard Capital Management LP | 9,807 | $460.9K | 0.01% | −4,914−33.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,635 | $499.8K | 0.00% | −915−7.9% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 10,731 | $504.4K | 0.00% | −69−0.6% | Reduced |
| New York State Teachers Retirement System | 10,775 | $506.0K | 0.00% | −3,120−22.5% | Reduced |
| Quest Partners LLC | 10,941 | $514.2K | 0.03% | −261−2.3% | Reduced |
| First Citizens Bank & Trust Co | 11,144 | $523.8K | 0.01% | −84−0.7% | Reduced |
| Natixis Advisors, L.P. | 12,086 | $568.0K | 0.00% | +2,018+20.0% | Added |
| Louisiana State Employees Retirement System | 12,100 | $568.7K | 0.01% | −100−0.8% | Reduced |
| KLP Kapitalforvaltning AS | 12,132 | $570.2K | 0.00% | +700+6.1% | Added |
| Manufacturers Life Insurance Company, The | 12,201 | $573.4K | 0.00% | −679−5.3% | Reduced |
| Intech Investment Management LLC | 12,364 | $581.1K | 0.01% | +1,223+11.0% | Added |
| Janus Henderson Group PLC | 12,433 | $584.5K | 0.00% | −52,317−80.8% | Reduced |
| Keybank National Association | 12,444 | $584.9K | 0.00% | −1,156−8.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 12,462 | $585.7K | 0.00% | +61+0.5% | Added |
| HSBC Holdings PLC | 12,938 | $607.5K | 0.00% | −13,532−51.1% | Reduced |
| Horizon Investments, LLC | 12,994 | $610.7K | 0.01% | −7,609−36.9% | Reduced |
| Illinois Municipal Retirement Fund | 13,414 | $630.5K | 0.01% | −2,021−13.1% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 13,451 | $632.2K | 0.01% | +13,451 | New |
| Bokf, NA | 13,833 | $650.2K | 0.01% | −74−0.5% | Reduced |
| Susquehanna Fundamental Investments, LLC | 14,508 | $681.9K | 0.02% | +450+3.2% | Added |
| MetLife Investment Management | 15,182 | $713.6K | 0.00% | −1,127−6.9% | Reduced |
| Price T Rowe Associates Inc | 15,667 | $737.0K | 0.00% | +1,392+9.8% | Added |
| STRS Ohio | 15,700 | $737.9K | 0.00% | +15,700 | New |
| SEI Investments Co | 16,993 | $798.7K | 0.00% | −9,642−36.2% | Reduced |
| Thrivent Financial for Lutherans | 18,158 | $853.0K | 0.00% | −961−5.0% | Reduced |
| Greenwich Wealth Management LLC | 18,500 | $870.0K | 0.04% | −10.0% | Reduced |
| State of Alaska, Department of Revenue | 18,891 | $886.0K | 0.01% | +4,113+27.8% | Added |
| Quantinno Capital Management LP | 19,100 | $897.7K | 0.00% | +2,723+16.6% | Added |
| MML Investors Services, LLC | 19,456 | $914.4K | 0.00% | +6,603+51.4% | Added |
| Squarepoint Ops LLC | 20,325 | $955.3K | 0.00% | −18,055−47.0% | Reduced |
| XTX Topco Ltd | 20,643 | $970.2K | 0.03% | +710+3.6% | Added |
| Summit Global Investments | 21,320 | $1.00M | 0.06% | +21,320 | New |
| Voloridge Investment Management, LLC | 21,522 | $1.01M | 0.00% | −58,069−73.0% | Reduced |
| Concurrent Investment Advisors, LLC | 22,258 | $1.05M | 0.01% | +12,540+129.0% | Added |
| Martingale Asset Management L P | 22,524 | $1.06M | 0.03% | −9,204−29.0% | Reduced |
| State Board of Administration of Florida Retirement System | 22,812 | $1.07M | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 23,011 | $1.08M | 0.00% | −130,715−85.0% | Reduced |
| Panagora Asset Management Inc | 23,429 | $1.10M | 0.00% | +8,482+56.7% | Added |
| Great West Life Assurance Co | 24,069 | $1.13M | 0.00% | +943+4.1% | Added |
| Creative Planning | 24,839 | $1.17M | 0.00% | −1,117−4.3% | Reduced |
| LPL Financial LLC | 25,079 | $1.18M | 0.00% | −793−3.1% | Reduced |
| Guggenheim Capital LLC | 25,499 | $1.20M | 0.01% | +20,637+424.5% | Added |
| California State Teachers Retirement System | 27,270 | $1.28M | 0.00% | +2,311+9.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 27,967 | $1.32M | 0.00% | −4,759−14.5% | Reduced |
| DGS Capital Management, LLC | 29,386 | $1.38M | 0.24% | +2,359+8.7% | Added |
| Wells Fargo & Company | 29,445 | $1.38M | 0.00% | +12,923+78.2% | Added |
| Brant Point Investment Management LLC | 30,000 | $1.41M | 0.34% | −30,000−50.0% | Reduced |
| Linden Thomas Advisory Services, LLC | 30,077 | $1.41M | 0.14% | +1,011+3.5% | Added |
| Russell Investments Group, Ltd. | 32,131 | $1.51M | 0.00% | −1,410−4.2% | Reduced |
| Kendall Capital Management | 32,260 | $1.52M | 0.32% | +17,110+112.9% | Added |
| HRT Financial LP | 32,395 | $1.52M | 0.00% | +5,874+22.1% | Added |
| Prudential Financial Inc | 32,756 | $1.54M | 0.00% | −24,920−43.2% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 35,357 | $1.66M | 0.03% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 37,792 | $1.78M | 0.08% | −45,751−54.8% | Reduced |
| Alliancebernstein L.P. | 38,087 | $1.79M | 0.00% | +2,661+7.5% | Added |
| Zacks Investment Management | 38,749 | $1.82M | 0.01% | −3,458−8.2% | Reduced |
| Royce & Associates LP | 39,301 | $1.85M | 0.02% | −8,351−17.5% | Reduced |
| State of Wisconsin Investment Board | 41,130 | $1.93M | 0.00% | +3,133+8.2% | Added |
| BNP Paribas Arbitrage, SA | 42,187 | $1.98M | 0.00% | +5,173+14.0% | Added |
| Voleon Capital Management LP | 42,370 | $1.99M | 0.04% | +31,509+290.1% | Added |
| Citigroup Inc | 42,850 | $2.01M | 0.00% | −8,181−16.0% | Reduced |
| Franklin Resources Inc | 42,986 | $2.02M | 0.00% | +653+1.5% | Added |
| Engineers Gate Manager LP | 50,060 | $2.35M | 0.03% | −5,968−10.7% | Reduced |
| ExodusPoint Capital Management, LP | 51,201 | $2.41M | 0.03% | +19,041+59.2% | Added |
| Boston Partners | 55,124 | $2.59M | 0.00% | −1,064−1.9% | Reduced |
| Barclays PLC | 55,444 | $2.61M | 0.00% | −2,008−3.5% | Reduced |
| Swiss National Bank | 56,526 | $2.66M | 0.00% | +4,400+8.4% | Added |
| Envestnet Asset Management Inc | 56,676 | $2.66M | 0.00% | +14,490+34.3% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 57,770 | $2.72M | 0.00% | +57,770 | New |
| Credit Agricole S A | 58,389 | $2.74M | 0.01% | +27,910+91.6% | Added |
| Spears Abacus Advisors LLC | 59,197 | $2.78M | 0.05% | +59,197 | New |
| Nearwater Capital Markets, Ltd | 60,000 | $2.82M | 0.05% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 62,439 | $2.93M | 0.01% | +1,396+2.3% | Added |
| Kestrel Investment Management Corp | 63,181 | $2.97M | 1.68% | −2,200−3.4% | Reduced |