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, Q2 2026
Institutional positions in Acadian Asset Management Inc. as of Jun 30, 2026. 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
- 302
- +50 vs. Q1 2026
- Shares held
- 36.0M
- +402.8K (+1.1%) vs. Q1 2026
- Total value
- $2.58B
- +$637.2M (+32.9%) vs. Q1 2026
- New holders
- 68
- 101 more added
- Sold out
- 18
- 96 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Acadian Asset Management Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Paulson & Co. Inc. | 5,843,282 | $417.9M | 16.23% | −1,900,000−24.5% | Reduced |
| BlackRock, Inc. | 4,486,535 | $320.9M | 0.00% | −87,697−1.9% | Reduced |
| Jennison Associates LLC | 1,526,570 | $109.2M | 0.07% | −495,637−24.5% | Reduced |
| Invesco Ltd. | 1,376,531 | $98.4M | 0.01% | +963,829+233.5% | Added |
| Empyrean Capital Partners, LP | 1,308,000 | $93.5M | 3.29% | −1900.0% | Reduced |
| State Street Corp | 1,224,388 | $87.6M | 0.00% | +14,948+1.2% | Added |
| Vanguard Capital Management LLC | 1,176,511 | $84.1M | 0.00% | +17,624+1.5% | Added |
| Geode Capital Management, LLC | 969,724 | $69.4M | 0.00% | +221,902+29.7% | Added |
| Dimensional Fund Advisors LP | 911,667 | $65.2M | 0.01% | +7,118+0.8% | Added |
| Woodline Partners LP | 883,540 | $63.2M | 0.20% | +181,820+25.9% | Added |
| Vanguard Portfolio Management LLC | 813,352 | $58.2M | 0.00% | −70,557−8.0% | Reduced |
| Driehaus Capital Management LLC | 788,901 | $56.4M | 0.33% | +788,901 | New |
| Avantyr Capital Partners, LP | 767,793 | $54.9M | 2.02% | +767,793 | New |
| Morgan Stanley | 623,422 | $44.6M | 0.00% | +85,779+16.0% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 610,248 | $43.6M | 0.57% | −38,559−5.9% | Reduced |
| Nuveen, LLC | 602,378 | $43.1M | 0.01% | +13,914+2.4% | Added |
| Federated Hermes, Inc. | 574,597 | $41.1M | 0.06% | +6,277+1.1% | Added |
| Allspring Global Investments Holdings, LLC | 553,623 | $39.8M | 0.06% | +134,384+32.1% | Added |
| Two Sigma Investments, LP | 523,939 | $37.5M | 0.03% | +45,125+9.4% | Added |
| Azora Capital LP | 496,005 | $35.5M | 1.49% | +166,656+50.6% | Added |
| Charles Schwab Investment Management Inc | 403,342 | $28.8M | 0.00% | −49,978−11.0% | Reduced |
| Systematic Alpha Investments, LLC | 370,108 | $26.5M | 0.71% | 00.0% | Unchanged |
| GW&K Investment Management, LLC | 368,935 | $26.4M | 0.21% | −7,042−1.9% | Reduced |
| Impax Asset Management Group plc | 350,000 | $25.0M | 0.16% | −473,323−57.5% | Reduced |
| Amundi | 317,315 | $22.7M | 0.01% | +317,315 | New |
| Northern Trust Corp | 303,111 | $21.7M | 0.00% | +24,050+8.6% | Added |
| Boston Trust Walden Corp | 268,707 | $19.2M | 0.15% | −12,897−4.6% | Reduced |
| AQR Capital Management LLC | 254,068 | $18.2M | 0.01% | +94,399+59.1% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 249,082 | $17.8M | 0.03% | +227,782+1,069.4% | Added |
| Goldman Sachs Group Inc | 244,568 | $17.5M | 0.00% | +25,276+11.5% | Added |
| FMR LLC | 231,204 | $16.5M | 0.00% | +18,200+8.5% | Added |
| William Blair Investment Management, LLC | 207,796 | $14.9M | 0.04% | −55,941−21.2% | Reduced |
| Bank of New York Mellon Corp | 204,912 | $14.7M | 0.00% | +8,687+4.4% | Added |
| Principal Financial Group Inc | 196,988 | $14.1M | 0.01% | −7,539−3.7% | Reduced |
| First Trust Advisors LP | 194,899 | $13.9M | 0.01% | +729+0.4% | Added |
| UBS Group AG | 193,687 | $13.9M | 0.00% | −23,130−10.7% | Reduced |
| Vanguard Fiduciary Trust Co | 190,801 | $13.6M | 0.00% | +5,926+3.2% | Added |
| Allianz Asset Management GmbH | 170,518 | $12.2M | 0.01% | −10,875−6.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 151,793 | $10.9M | 0.04% | −166,338−52.3% | Reduced |
| Jupiter Topco LLC | 151,546 | $10.8M | 0.00% | +151,546 | New |
| Arrowstreet Capital, Limited Partnership | 149,259 | $10.7M | 0.00% | −91,941−38.1% | Reduced |
| Bank of America Corp | 133,241 | $9.53M | 0.00% | −3,977−2.9% | Reduced |
| Jupiter Asset Management Ltd | 131,673 | $9.42M | 0.05% | 00.0% | Unchanged |
| Public Sector Pension Investment Board | 130,897 | $9.36M | 0.02% | −16,456−11.2% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 105,367 | $7.54M | 0.01% | +78,176+287.5% | Added |
| UBS Asset Management Americas Inc | 103,504 | $7.40M | 0.00% | +36,083+53.5% | Added |
| American Century Companies Inc | 95,664 | $6.84M | 0.00% | +14,888+18.4% | Added |
| Vident Advisory, LLC | 92,774 | $6.64M | 0.05% | +14,132+18.0% | Added |
| SG Americas Securities, LLC | 91,597 | $6.55M | 0.00% | −512,086−84.8% | Reduced |
| North Reef Capital Management LP | 86,596 | $6.19M | 0.24% | −133,643−60.7% | Reduced |
| Ghisallo Capital Management LLC | 85,379 | $6.11M | 0.12% | +85,379 | New |
| Spears Abacus Advisors LLC | 84,330 | $6.03M | 0.11% | −129−0.2% | Reduced |
| Walleye Capital LLC | 82,585 | $5.91M | 0.03% | +62,995+321.6% | Added |
| EAM Investors, LLC | 82,424 | $5.89M | 0.53% | +82,424 | New |
| JPMorgan Chase & Co | 81,372 | $5.88M | 0.00% | −16,248−16.6% | Reduced |
| Credit Agricole S A | 80,000 | $5.72M | 0.01% | +21,611+37.0% | Added |
| Ameriprise Financial Inc | 78,746 | $5.64M | 0.00% | −2,361−2.9% | Reduced |
| LSV Asset Management | 78,300 | $5.60M | 0.01% | −4,000−4.9% | Reduced |
| Franklin Resources Inc | 74,727 | $5.34M | 0.00% | +20,483+37.8% | Added |
| Algert Global LLC | 74,067 | $5.30M | 0.06% | −22,620−23.4% | Reduced |
| Envestnet Asset Management Inc | 70,624 | $5.05M | 0.00% | +7,836+12.5% | Added |
| Legal & General Group Plc | 68,012 | $4.86M | 0.00% | +3,724+5.8% | Added |
| Linden Thomas Advisory Services, LLC | 66,756 | $4.77M | 0.39% | +7,308+12.3% | Added |
| Rhumbline Advisers | 65,048 | $4.65M | 0.00% | −7,088−9.8% | Reduced |
| Victory Capital Management Inc | 63,862 | $4.57M | 0.00% | +305+0.5% | Added |
| Trexquant Investment LP | 62,669 | $4.48M | 0.03% | +45,367+262.2% | Added |
| Citadel Advisors LLC | 61,940 | $4.43M | 0.00% | −19,083−23.6% | Reduced |
| Qube Research & Technologies Ltd | 55,830 | $3.99M | 0.00% | −119,108−68.1% | Reduced |
| Thornburg Investment Management Inc | 55,757 | $3.99M | 0.04% | +27,971+100.7% | Added |
| Swiss National Bank | 55,626 | $3.98M | 0.00% | −900−1.6% | Reduced |
| Boston Partners | 52,688 | $3.77M | 0.00% | −4,845−8.4% | Reduced |
| Millennium Management LLC | 51,885 | $3.71M | 0.00% | −17,449−25.2% | Reduced |
| Rockefeller Capital Management L.P. | 50,010 | $3.58M | 0.01% | +49,552+10,819.2% | Added |
| Citigroup Inc | 43,839 | $3.14M | 0.00% | +28,309+182.3% | Added |
| EFG International AG | 40,664 | $2.91M | 0.05% | −771−1.9% | Reduced |
| Mackenzie Financial Corp | 40,105 | $2.87M | 0.00% | +40,105 | New |
| Creative Planning | 39,983 | $2.86M | 0.00% | +9,516+31.2% | Added |
| State of Wisconsin Investment Board | 38,688 | $2.77M | 0.01% | +3,270+9.2% | Added |
| State Board of Administration of Florida Retirement System | 38,525 | $2.76M | 0.00% | −1,934−4.8% | Reduced |
| CWA Asset Management Group, LLC | 37,227 | $2.66M | 0.08% | +3,839+11.5% | Added |
| SEI Investments Co | 36,368 | $2.60M | 0.00% | +9,438+35.0% | Added |
| PDT Partners, LLC | 36,197 | $2.59M | 0.14% | +22,500+164.3% | Added |
| Raymond James Financial Inc | 36,172 | $2.59M | 0.00% | +28,784+389.6% | Added |
| Natixis Advisors, L.P. | 35,916 | $2.57M | 0.00% | +13,073+57.2% | Added |
| Redhawk Wealth Advisors, Inc. | 35,281 | $2.52M | 0.25% | −4,811−12.0% | Reduced |
| California State Teachers Retirement System | 34,481 | $2.47M | 0.00% | +7,411+27.4% | Added |
| Engineers Gate Manager LP | 34,006 | $2.43M | 0.03% | −18,690−35.5% | Reduced |
| Kendall Capital Management | 33,985 | $2.43M | 0.40% | −475−1.4% | Reduced |
| D. E. Shaw & Co., Inc. | 33,743 | $2.41M | 0.00% | −22,667−40.2% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 32,525 | $2.33M | 0.05% | +9,594+41.8% | Added |
| Aquatic Capital Management LLC | 31,941 | $2.28M | 0.08% | +23,594+282.7% | Added |
| Renaissance Technologies LLC | 31,651 | $2.26M | 0.00% | −28,893−47.7% | Reduced |
| Hussman Strategic Advisors, Inc. | 31,500 | $2.25M | 0.52% | −10,500−25.0% | Reduced |
| Deutsche Bank AG | 29,706 | $2.12M | 0.00% | −90,030−75.2% | Reduced |
| BNP Paribas Arbitrage, SA | 29,343 | $2.10M | 0.00% | −4,851−14.2% | Reduced |
| Squarepoint Ops LLC | 29,242 | $2.09M | 0.00% | +29,242 | New |
| Diametric Capital, LP | 27,813 | $1.99M | 0.21% | +27,813 | New |
| Prudential Financial Inc | 27,496 | $1.97M | 0.00% | +460+1.7% | Added |
| Alliancebernstein L.P. | 35,887 | $1.95M | 0.00% | −2,200−5.8% | Reduced |
| XTX Topco Ltd | 26,825 | $1.92M | 0.02% | +21,904+445.1% | Added |