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 |
|---|---|---|---|---|---|
| Wells Fargo & Company | 26,112 | $1.87M | 0.00% | +15,467+145.3% | Added |
| Royce & Associates LP | 26,705 | $1.91M | 0.02% | −5,513−17.1% | Reduced |
| XTX Topco Ltd | 26,825 | $1.92M | 0.02% | +21,904+445.1% | Added |
| Alliancebernstein L.P. | 35,887 | $1.95M | 0.00% | −2,200−5.8% | Reduced |
| Prudential Financial Inc | 27,496 | $1.97M | 0.00% | +460+1.7% | Added |
| Diametric Capital, LP | 27,813 | $1.99M | 0.21% | +27,813 | New |
| Squarepoint Ops LLC | 29,242 | $2.09M | 0.00% | +29,242 | New |
| BNP Paribas Arbitrage, SA | 29,343 | $2.10M | 0.00% | −4,851−14.2% | Reduced |
| Deutsche Bank AG | 29,706 | $2.12M | 0.00% | −90,030−75.2% | Reduced |
| Hussman Strategic Advisors, Inc. | 31,500 | $2.25M | 0.52% | −10,500−25.0% | Reduced |
| Renaissance Technologies LLC | 31,651 | $2.26M | 0.00% | −28,893−47.7% | Reduced |
| Aquatic Capital Management LLC | 31,941 | $2.28M | 0.08% | +23,594+282.7% | Added |
| Y-Intercept (Hong Kong) Ltd | 32,525 | $2.33M | 0.05% | +9,594+41.8% | Added |
| D. E. Shaw & Co., Inc. | 33,743 | $2.41M | 0.00% | −22,667−40.2% | Reduced |
| Kendall Capital Management | 33,985 | $2.43M | 0.40% | −475−1.4% | Reduced |
| Engineers Gate Manager LP | 34,006 | $2.43M | 0.03% | −18,690−35.5% | Reduced |
| California State Teachers Retirement System | 34,481 | $2.47M | 0.00% | +7,411+27.4% | Added |
| Redhawk Wealth Advisors, Inc. | 35,281 | $2.52M | 0.25% | −4,811−12.0% | Reduced |
| Natixis Advisors, L.P. | 35,916 | $2.57M | 0.00% | +13,073+57.2% | Added |
| Raymond James Financial Inc | 36,172 | $2.59M | 0.00% | +28,784+389.6% | Added |
| PDT Partners, LLC | 36,197 | $2.59M | 0.14% | +22,500+164.3% | Added |
| SEI Investments Co | 36,368 | $2.60M | 0.00% | +9,438+35.0% | Added |
| CWA Asset Management Group, LLC | 37,227 | $2.66M | 0.08% | +3,839+11.5% | Added |
| State Board of Administration of Florida Retirement System | 38,525 | $2.76M | 0.00% | −1,934−4.8% | Reduced |
| State of Wisconsin Investment Board | 38,688 | $2.77M | 0.01% | +3,270+9.2% | Added |
| Creative Planning | 39,983 | $2.86M | 0.00% | +9,516+31.2% | Added |
| Mackenzie Financial Corp | 40,105 | $2.87M | 0.00% | +40,105 | New |
| EFG International AG | 40,664 | $2.91M | 0.05% | −771−1.9% | Reduced |
| Citigroup Inc | 43,839 | $3.14M | 0.00% | +28,309+182.3% | Added |
| Rockefeller Capital Management L.P. | 50,010 | $3.58M | 0.01% | +49,552+10,819.2% | Added |
| Millennium Management LLC | 51,885 | $3.71M | 0.00% | −17,449−25.2% | Reduced |
| Boston Partners | 52,688 | $3.77M | 0.00% | −4,845−8.4% | Reduced |
| Swiss National Bank | 55,626 | $3.98M | 0.00% | −900−1.6% | Reduced |
| Thornburg Investment Management Inc | 55,757 | $3.99M | 0.04% | +27,971+100.7% | Added |
| Qube Research & Technologies Ltd | 55,830 | $3.99M | 0.00% | −119,108−68.1% | Reduced |
| Citadel Advisors LLC | 61,940 | $4.43M | 0.00% | −19,083−23.6% | Reduced |
| Trexquant Investment LP | 62,669 | $4.48M | 0.03% | +45,367+262.2% | Added |
| Victory Capital Management Inc | 63,862 | $4.57M | 0.00% | +305+0.5% | Added |
| Rhumbline Advisers | 65,048 | $4.65M | 0.00% | −7,088−9.8% | Reduced |
| Linden Thomas Advisory Services, LLC | 66,756 | $4.77M | 0.39% | +7,308+12.3% | Added |
| Legal & General Group Plc | 68,012 | $4.86M | 0.00% | +3,724+5.8% | Added |
| Envestnet Asset Management Inc | 70,624 | $5.05M | 0.00% | +7,836+12.5% | Added |
| Algert Global LLC | 74,067 | $5.30M | 0.06% | −22,620−23.4% | Reduced |
| Franklin Resources Inc | 74,727 | $5.34M | 0.00% | +20,483+37.8% | Added |
| LSV Asset Management | 78,300 | $5.60M | 0.01% | −4,000−4.9% | Reduced |
| Ameriprise Financial Inc | 78,746 | $5.64M | 0.00% | −2,361−2.9% | Reduced |
| Credit Agricole S A | 80,000 | $5.72M | 0.01% | +21,611+37.0% | Added |
| JPMorgan Chase & Co | 81,372 | $5.88M | 0.00% | −16,248−16.6% | Reduced |
| EAM Investors, LLC | 82,424 | $5.89M | 0.53% | +82,424 | New |
| Walleye Capital LLC | 82,585 | $5.91M | 0.03% | +62,995+321.6% | Added |
| Spears Abacus Advisors LLC | 84,330 | $6.03M | 0.11% | −129−0.2% | Reduced |
| Ghisallo Capital Management LLC | 85,379 | $6.11M | 0.12% | +85,379 | New |
| North Reef Capital Management LP | 86,596 | $6.19M | 0.24% | −133,643−60.7% | Reduced |
| SG Americas Securities, LLC | 91,597 | $6.55M | 0.00% | −512,086−84.8% | Reduced |
| Vident Advisory, LLC | 92,774 | $6.64M | 0.05% | +14,132+18.0% | Added |
| American Century Companies Inc | 95,664 | $6.84M | 0.00% | +14,888+18.4% | Added |
| UBS Asset Management Americas Inc | 103,504 | $7.40M | 0.00% | +36,083+53.5% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 105,367 | $7.54M | 0.01% | +78,176+287.5% | Added |
| Public Sector Pension Investment Board | 130,897 | $9.36M | 0.02% | −16,456−11.2% | Reduced |
| Jupiter Asset Management Ltd | 131,673 | $9.42M | 0.05% | 00.0% | Unchanged |
| Bank of America Corp | 133,241 | $9.53M | 0.00% | −3,977−2.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 149,259 | $10.7M | 0.00% | −91,941−38.1% | Reduced |
| Jupiter Topco LLC | 151,546 | $10.8M | 0.00% | +151,546 | New |
| Jacobs Levy Equity Management, Inc | 151,793 | $10.9M | 0.04% | −166,338−52.3% | Reduced |
| Allianz Asset Management GmbH | 170,518 | $12.2M | 0.01% | −10,875−6.0% | Reduced |
| Vanguard Fiduciary Trust Co | 190,801 | $13.6M | 0.00% | +5,926+3.2% | Added |
| UBS Group AG | 193,687 | $13.9M | 0.00% | −23,130−10.7% | Reduced |
| First Trust Advisors LP | 194,899 | $13.9M | 0.01% | +729+0.4% | Added |
| Principal Financial Group Inc | 196,988 | $14.1M | 0.01% | −7,539−3.7% | Reduced |
| Bank of New York Mellon Corp | 204,912 | $14.7M | 0.00% | +8,687+4.4% | Added |
| William Blair Investment Management, LLC | 207,796 | $14.9M | 0.04% | −55,941−21.2% | Reduced |
| FMR LLC | 231,204 | $16.5M | 0.00% | +18,200+8.5% | Added |
| Goldman Sachs Group Inc | 244,568 | $17.5M | 0.00% | +25,276+11.5% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 249,082 | $17.8M | 0.03% | +227,782+1,069.4% | Added |
| AQR Capital Management LLC | 254,068 | $18.2M | 0.01% | +94,399+59.1% | Added |
| Boston Trust Walden Corp | 268,707 | $19.2M | 0.15% | −12,897−4.6% | Reduced |
| Northern Trust Corp | 303,111 | $21.7M | 0.00% | +24,050+8.6% | Added |
| Amundi | 317,315 | $22.7M | 0.01% | +317,315 | New |
| Impax Asset Management Group plc | 350,000 | $25.0M | 0.16% | −473,323−57.5% | Reduced |
| GW&K Investment Management, LLC | 368,935 | $26.4M | 0.21% | −7,042−1.9% | Reduced |
| Systematic Alpha Investments, LLC | 370,108 | $26.5M | 0.71% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 403,342 | $28.8M | 0.00% | −49,978−11.0% | Reduced |
| Azora Capital LP | 496,005 | $35.5M | 1.49% | +166,656+50.6% | Added |
| Two Sigma Investments, LP | 523,939 | $37.5M | 0.03% | +45,125+9.4% | Added |
| Allspring Global Investments Holdings, LLC | 553,623 | $39.8M | 0.06% | +134,384+32.1% | Added |
| Federated Hermes, Inc. | 574,597 | $41.1M | 0.06% | +6,277+1.1% | Added |
| Nuveen, LLC | 602,378 | $43.1M | 0.01% | +13,914+2.4% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 610,248 | $43.6M | 0.57% | −38,559−5.9% | Reduced |
| Morgan Stanley | 623,422 | $44.6M | 0.00% | +85,779+16.0% | Added |
| Avantyr Capital Partners, LP | 767,793 | $54.9M | 2.02% | +767,793 | New |
| Driehaus Capital Management LLC | 788,901 | $56.4M | 0.33% | +788,901 | New |
| Vanguard Portfolio Management LLC | 813,352 | $58.2M | 0.00% | −70,557−8.0% | Reduced |
| Woodline Partners LP | 883,540 | $63.2M | 0.20% | +181,820+25.9% | Added |
| Dimensional Fund Advisors LP | 911,667 | $65.2M | 0.01% | +7,118+0.8% | Added |
| Geode Capital Management, LLC | 969,724 | $69.4M | 0.00% | +221,902+29.7% | Added |
| Vanguard Capital Management LLC | 1,176,511 | $84.1M | 0.00% | +17,624+1.5% | Added |
| State Street Corp | 1,224,388 | $87.6M | 0.00% | +14,948+1.2% | Added |
| Empyrean Capital Partners, LP | 1,308,000 | $93.5M | 3.29% | −1900.0% | Reduced |
| Invesco Ltd. | 1,376,531 | $98.4M | 0.01% | +963,829+233.5% | Added |
| Jennison Associates LLC | 1,526,570 | $109.2M | 0.07% | −495,637−24.5% | Reduced |