Acadian Asset ManagementAAMI
13F holders, Q2 2025 (June 30)218holders +27
44new positions
18sold out
9famous investors
$35.25avg. 13F price*
At the end of Q2 2025, 218 institutions reported holding Acadian Asset Management Inc. (AAMI) in their 13F filings, up 27 from Q1 2025. 44 opened new positions and 18 sold out. The largest holders were Paulson & Co. ($315.4M), BlackRock, Inc. ($179.5M) and Vanguard Group Inc. ($83.9M). 9 famous investors held it, including John Paulson (15.7% of Paulson & Co.'s portfolio), George Soros (0.4% of Soros Fund Management's portfolio) and Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio).
- Company
- Acadian Asset Management Inc.
- CUSIP
- 10948W103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 44 | $31.0M |
| Exits | 18 | $19.0M |
All 13F filers, Q1 2025 → Q2 2025: 2,591,592 shares bought and 2,735,588 shares sold, net −143,996 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 218 holders
| Paulson & Co. | 15.68% | No change | 8,950,121 | $315.4M |
| BlackRock, Inc. | 0.00% | Reduce -6.2% | 5,093,995 | $179.5M |
| Vanguard Group Inc. | 0.00% | Add +1.5% | 2,381,106 | $83.9M |
| Jennison Associates LLC | 0.04% | Add +52.3% | 2,091,091 | $73.7M |
| Empyrean Capital Partners, LP | 3.45% | No change | 1,880,634 | $66.3M |
| State Street Corp. | 0.00% | Add +1.3% | 1,213,519 | $42.8M |
| Impax Asset Management Group plc | 0.20% | Reduce -9.1% | 1,000,000 | $35.2M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -8.0% | 976,779 | $34.4M |
| William Blair Investment Management, LLC | 0.07% | Reduce -37.6% | 712,082 | $25.1M |
| Nuveen, LLC | 0.01% | Reduce -5.2% | 632,036 | $22.3M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.6% | 627,543 | $22.1M |
| Arrowstreet Capital, Limited Partnership | 0.02% | Add +19.1% | 610,979 | $21.5M |
| North Reef Capital Management LP | 0.75% | Reduce -2.0% | 480,000 | $16.9M |
| Morgan Stanley | 0.00% | Add +6.0% | 448,949 | $15.8M |
| Soros Fund Management | 0.39% | Add +20.0% | 415,593 | $14.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +16.4% | 389,776 | $13.7M |
| Systematic Alpha Investments, LLC | 0.46% | No change | 370,108 | $13.0M |
| Two Sigma Advisers, LP | 0.03% | Reduce -9.1% | 351,775 | $12.4M |
| Northern Trust Corp. | 0.00% | Reduce -2.2% | 303,252 | $10.7M |
| Victory Capital Management Inc. | 0.01% | Reduce -46.8% | 297,858 | $10.5M |
| Federated Hermes, Inc. | 0.02% | Reduce -6.3% | 290,323 | $10.2M |
| Two Sigma Investments, LP | 0.02% | Reduce -3.8% | 246,000 | $8.7M |
| Invesco Ltd. | 0.00% | Add +40.7% | 244,270 | $8.6M |
| UBS Group AG | 0.00% | Add +204.6% | 230,546 | $8.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.2% | 225,233 | $7.9M |
| Allspring Global Investments Holdings, LLC | 0.01% | New | 210,415 | $7.5M |
| Brightlight Capital Management LP | 3.89% | New | 200,000 | $7.0M |
| JPMorgan Chase & Co. | 0.00% | Reduce -17.4% | 197,609 | $7.0M |
| Deutsche Bank AG | 0.00% | Add +43.9% | 162,022 | $5.7M |
| Tudor Investment Corporation | 0.04% | Reduce -1.6% | 158,194 | $5.6M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -33.0% | 137,002 | $4.8M |
| Principal Financial Group Inc. | 0.00% | Reduce -4.6% | 133,252 | $4.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +38.1% | 125,560 | $4.4M |
| EJF Capital LP | 3.51% | No change | 125,143 | $4.4M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -33.9% | 123,035 | $4.3M |
| Citadel Advisors | 0.00% | Reduce -7.2% | 115,576 | $4.1M |
| Public Sector Pension Investment Board | 0.02% | Reduce -7.8% | 114,540 | $4.0M |
| Ameriprise Financial Inc. | 0.00% | Reduce -25.9% | 107,399 | $3.8M |
| Man Group plc | 0.01% | Add +3.7% | 106,340 | $3.7M |
| Informed Momentum Co LLC | 0.56% | New | 104,132 | $3.7M |
| Renaissance Technologies | 0.00% | Add +48.9% | 99,928 | $3.5M |
| D. E. Shaw & Co. | 0.00% | Reduce -12.1% | 98,549 | $3.5M |
| Bank of America Corp. | 0.00% | Reduce -3.7% | 98,379 | $3.5M |
| FMR LLC | 0.00% | Add +12.8% | 96,992 | $3.4M |
| Rhumbline Advisers | 0.00% | Add +3.0% | 81,730 | $2.9M |
| LSV Asset Management | 0.01% | Reduce -7.8% | 77,800 | $2.7M |
| Legal & General Group Plc | 0.00% | Reduce -11.0% | 73,467 | $2.6M |
| Susquehanna International Group, LLP | 0.00% | Add +22.7% | 71,458 | $2.5M |
| Algert Global LLC | 0.05% | Reduce -5.6% | 69,217 | $2.4M |
| Barclays PLC | 0.00% | Add +23.6% | 69,042 | $2.4M |
| Jupiter Asset Management Ltd. | 0.02% | New | 67,135 | $2.4M |
| AQR Capital Management | 0.00% | Reduce -24.0% | 66,692 | $2.4M |
| Kestrel Investment Management Corp. | 1.38% | Reduce -4.3% | 65,381 | $2.3M |
| Prelude Capital Management, LLC | 0.22% | Reduce -1.5% | 62,745 | $2.2M |
| Teacher Retirement System of Texas | 0.01% | Reduce -2.5% | 62,682 | $2.2M |
| Hillsdale Investment Management Inc. | 0.08% | Add +211.5% | 60,120 | $2.1M |
| Exchange Traded Concepts, LLC | 0.02% | Add +0.9% | 53,397 | $1.9M |
| Swiss National Bank | 0.00% | Reduce -8.9% | 53,126 | $1.9M |
| Royce & Associates LP | 0.02% | Reduce -0.8% | 52,453 | $1.8M |
| American Century Companies Inc. | 0.00% | Add +78.5% | 50,308 | $1.8M |
| Boston Partners | 0.00% | Add +46.7% | 49,084 | $1.7M |
| Voya Investment Management LLC | 0.00% | Add +141.7% | 41,256 | $1.5M |
| Brandywine Global Investment Management, LLC | 0.01% | Add +97.0% | 40,431 | $1.4M |
| Lazard Asset Management LLC | 0.00% | Add +2687.2% | 40,330 | $1.4M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Reduce -7.7% | 37,161 | $1.3M |
| Franklin Resources Inc. | 0.00% | Add +216.4% | 37,072 | $1.3M |
| Alliancebernstein L.P. | 0.00% | No change | 36,026 | $1.3M |
| SummerHaven Investment Management, LLC | 0.82% | Add +1.6% | 35,404 | $1.2M |
| Susquehanna Portfolio Strategies, LLC | 0.03% | New | 35,357 | $1.2M |
| Dark Forest Capital Management LP | 0.05% | Reduce -37.1% | 34,043 | $1.2M |
| Allianz Asset Management GmbH | 0.00% | Add +285.6% | 33,161 | $1.2M |
| Maverick Capital | 0.02% | No change | 32,476 | $1.1M |
| State of Tennessee, Department of Treasury | 0.00% | Add +83.5% | 30,792 | $1.1M |
| Sei Investments Co. | 0.00% | New | 30,558 | $1.1M |
| HSBC Holdings PLC | 0.00% | Reduce -26.1% | 30,261 | $1.1M |
| XTX Topco Ltd | 0.04% | Reduce -14.2% | 30,241 | $1.1M |
| Martingale Asset Management L P | 0.03% | Reduce -18.5% | 29,907 | $1.1M |
| Engineers Gate Manager LP | 0.01% | Reduce -47.4% | 28,652 | $1.0M |
| Prudential Financial Inc. | 0.00% | Add +3.1% | 28,166 | $993K |
| Linden Thomas Advisory Services, LLC | 0.11% | Reduce -17.9% | 27,844 | $981K |
| California State Teachers Retirement System | 0.00% | Reduce -1.0% | 27,290 | $962K |
| Brant Point Investment Management LLC | 0.21% | New | 26,404 | $930K |
| DGS Capital Management, LLC | 0.19% | Reduce -2.6% | 26,266 | $926K |
| LPL Financial LLC | 0.00% | Reduce -4.9% | 26,018 | $917K |
| Aquatic Capital Management LLC | 0.02% | Add +139.8% | 25,378 | $894K |
| Citigroup Inc. | 0.00% | Reduce -37.5% | 24,779 | $873K |
| BNP Paribas Financial Markets | 0.00% | Add +69.4% | 24,142 | $851K |
| Creative Planning | 0.00% | Add +5.6% | 23,185 | $817K |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -13.4% | 23,126 | $816K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 22,812 | $804K |
| Vident Advisory, LLC | 0.01% | Add +152.9% | 22,299 | $786K |
| Nebula Research & Development LLC | 0.07% | Reduce -3.8% | 22,121 | $780K |
| AXA S.A. | 0.00% | No change | 20,609 | $726K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -4.0% | 19,740 | $696K |
| STRS Ohio | 0.00% | Reduce -14.2% | 19,300 | $680K |
| Susquehanna Fundamental Investments, LLC | 0.02% | Reduce -29.0% | 18,530 | $653K |
| Greenwich Wealth Management LLC | 0.03% | New | 18,500 | $652K |
| Verition Fund Management LLC | 0.00% | Add +16.6% | 18,410 | $649K |
| KLP Kapitalforvaltning As | 0.00% | Reduce -8.6% | 18,032 | $635K |
| Horizon Investments, LLC | 0.01% | New | 16,384 | $577K |
"% of holder's portfolio" is AAMI's weight in each manager's 13F, not the share of Acadian Asset Management Inc. the manager owns.