Acadian Asset ManagementAAMI
13F holders, Q1 2025 (March 31)191holders +13
27new positions
16sold out
9famous investors
$25.88avg. 13F price*
At the end of Q1 2025, 191 institutions reported holding Acadian Asset Management Inc. (AAMI) in their 13F filings, up 13 from Q4 2024. 27 opened new positions and 16 sold out. The largest holders were Paulson & Co. ($231.5M), BlackRock, Inc. ($140.5M) and Vanguard Group Inc. ($60.6M). 9 famous investors held it, including John Paulson (13.3% of Paulson & Co.'s portfolio), George Soros (0.2% 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 Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 27 | $11.8M |
| Exits | 16 | $50.4M |
All 13F filers, Q4 2024 → Q1 2025: 1,546,332 shares bought and 3,381,314 shares sold, net −1,834,982 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 191 holders
| Paulson & Co. | 13.25% | No change | 8,950,121 | $231.5M |
| BlackRock, Inc. | 0.00% | Reduce -1.5% | 5,432,589 | $140.5M |
| Vanguard Group Inc. | 0.00% | Add +1.8% | 2,344,929 | $60.6M |
| Empyrean Capital Partners, LP | 2.87% | No change | 1,880,634 | $48.6M |
| Jennison Associates LLC | 0.02% | Add +16.0% | 1,372,613 | $35.5M |
| State Street Corp. | 0.00% | Reduce -6.0% | 1,198,505 | $31.0M |
| William Blair Investment Management, LLC | 0.08% | Reduce -4.4% | 1,140,425 | $29.5M |
| Impax Asset Management Group plc | 0.17% | Add +10.0% | 1,100,000 | $28.4M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -4.5% | 1,062,019 | $27.5M |
| Nuveen, LLC | 0.01% | — | 666,653 | $17.2M |
| Geode Capital Management, LLC | 0.00% | Add +3.3% | 631,597 | $16.3M |
| Victory Capital Management Inc. | 0.02% | Add +11.2% | 559,811 | $14.5M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Reduce -11.0% | 512,808 | $13.3M |
| North Reef Capital Management LP | 0.55% | Reduce -6.7% | 489,697 | $12.7M |
| Morgan Stanley | 0.00% | Reduce -18.0% | 423,452 | $11.0M |
| Two Sigma Advisers, LP | 0.02% | Add +12.4% | 387,075 | $10.0M |
| Systematic Alpha Investments, LLC | 0.37% | No change | 370,108 | $9.6M |
| Soros Fund Management | 0.23% | No change | 346,293 | $9.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -14.9% | 334,701 | $8.7M |
| Northern Trust Corp. | 0.00% | Add +1.9% | 310,070 | $8.0M |
| Federated Hermes, Inc. | 0.02% | Add +0.3% | 309,809 | $8.0M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.01% | Add +95.3% | 271,126 | $7.0M |
| Two Sigma Investments, LP | 0.01% | Add +14.1% | 255,675 | $6.6M |
| JPMorgan Chase & Co. | 0.00% | Reduce -30.8% | 239,272 | $6.2M |
| Bank of New York Mellon Corp | 0.00% | Reduce -4.4% | 225,646 | $5.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +1.0% | 204,415 | $5.3M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -7.0% | 186,248 | $4.8M |
| ExodusPoint Capital Management, LP | 0.06% | Reduce -27.3% | 184,293 | $4.8M |
| Invesco Ltd. | 0.00% | Reduce -41.9% | 173,570 | $4.5M |
| Tudor Investment Corporation | 0.04% | Reduce -2.1% | 160,731 | $4.2M |
| Ameriprise Financial Inc. | 0.00% | Reduce -0.8% | 144,970 | $3.7M |
| Principal Financial Group Inc. | 0.00% | Add +2.3% | 139,684 | $3.6M |
| Richard Bernstein Advisors LLC | 0.08% | Reduce -4.1% | 132,563 | $3.4M |
| EJF Capital LP | 2.05% | Add +27.6% | 125,143 | $3.2M |
| Citadel Advisors | 0.00% | Reduce -4.3% | 124,590 | $3.2M |
| Public Sector Pension Investment Board | 0.01% | Add +78.2% | 124,174 | $3.2M |
| Deutsche Bank AG | 0.00% | Add +61.5% | 112,592 | $2.9M |
| D. E. Shaw & Co. | 0.00% | Add +42.3% | 112,157 | $2.9M |
| Man Group plc | 0.01% | Reduce -8.1% | 102,551 | $2.7M |
| Bank of America Corp. | 0.00% | Add +25.7% | 102,124 | $2.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +7.7% | 90,900 | $2.4M |
| AQR Capital Management | 0.00% | Add +8.8% | 87,755 | $2.3M |
| FMR LLC | 0.00% | Add +19.5% | 86,003 | $2.2M |
| LSV Asset Management | 0.01% | New | 84,345 | $2.2M |
| Legal & General Group Plc | 0.00% | Reduce -3.9% | 82,569 | $2.1M |
| Rhumbline Advisers | 0.00% | New | 79,320 | $2.1M |
| UBS Group AG | 0.00% | Reduce -80.2% | 75,686 | $2.0M |
| Jane Street Group, LLC | 0.00% | Add +8.0% | 75,383 | $1.9M |
| Algert Global LLC | 0.05% | Add +11.6% | 73,347 | $1.9M |
| Kestrel Investment Management Corp. | 1.08% | No change | 68,281 | $1.8M |
| Renaissance Technologies | 0.00% | Add +1.2% | 67,128 | $1.7M |
| Teacher Retirement System of Texas | 0.01% | Reduce -30.8% | 64,260 | $1.7M |
| Prelude Capital Management, LLC | 0.17% | Add +93.1% | 63,680 | $1.6M |
| Millennium Management | 0.00% | Reduce -48.6% | 60,761 | $1.6M |
| Swiss National Bank | 0.00% | No change | 58,326 | $1.5M |
| Susquehanna International Group, LLP | 0.00% | Add +30.9% | 58,218 | $1.5M |
| Barclays PLC | 0.00% | Reduce -11.2% | 55,871 | $1.4M |
| Engineers Gate Manager LP | 0.02% | Add +15.0% | 54,514 | $1.4M |
| Dark Forest Capital Management LP | 0.06% | New | 54,132 | $1.4M |
| Exchange Traded Concepts, LLC | 0.02% | Add +393.7% | 52,939 | $1.4M |
| Royce & Associates LP | 0.01% | Add +0.9% | 52,886 | $1.4M |
| PDT Partners, LLC | 0.08% | Reduce -11.2% | 41,899 | $1.1M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -2.0% | 9,514 | $1.1M |
| HSBC Holdings PLC | 0.00% | Add +45.4% | 40,931 | $1.1M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Add +329.6% | 40,258 | $1.0M |
| WINTON GROUP Ltd | 0.06% | Add +146.6% | 39,789 | $1.0M |
| Citigroup Inc. | 0.00% | Reduce -2.0% | 39,636 | $1.0M |
| Martingale Asset Management L P | 0.02% | Add +8.0% | 36,690 | $949K |
| Alliancebernstein L.P. | 0.00% | Reduce -0.4% | 36,026 | $932K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | New | 36,010 | $931K |
| State of Wisconsin Investment Board | 0.00% | Reduce -28.8% | 35,949 | $930K |
| XTX Topco Ltd | 0.05% | New | 35,232 | $911K |
| SummerHaven Investment Management, LLC | 0.63% | Add +1.7% | 34,860 | $901K |
| Linden Thomas Advisory Services, LLC | 0.11% | Add +11.9% | 33,900 | $877K |
| Boston Partners | 0.00% | New | 33,466 | $865K |
| Maverick Capital | 0.02% | Add +182.0% | 32,476 | $840K |
| Gsa Capital Partners LLP | 0.07% | Add +0.7% | 30,231 | $782K |
| American Century Companies Inc. | 0.00% | Reduce -5.4% | 28,190 | $729K |
| California State Teachers Retirement System | 0.00% | No change | 27,559 | $713K |
| LPL Financial LLC | 0.00% | Reduce -1.7% | 27,363 | $708K |
| Prudential Financial Inc. | 0.00% | Reduce -2.6% | 27,326 | $707K |
| Squarepoint Ops LLC | 0.00% | Reduce -11.3% | 27,139 | $702K |
| DGS Capital Management, LLC | 0.18% | Add +8.8% | 26,969 | $697K |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 26,704 | $690K |
| Susquehanna Fundamental Investments, LLC | 0.01% | Reduce -54.9% | 26,092 | $675K |
| Nebula Research & Development LLC | 0.06% | Reduce -19.9% | 22,998 | $595K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 22,812 | $590K |
| STRS Ohio | 0.00% | No change | 22,500 | $582K |
| Creative Planning | 0.00% | Add +9.1% | 21,948 | $568K |
| AXA S.A. | 0.00% | Add +149.7% | 20,609 | $533K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -5.0% | 20,558 | $532K |
| Brandywine Global Investment Management, LLC | 0.00% | New | 20,519 | $531K |
| HRT Financial LP | 0.00% | Add +51.6% | 20,284 | $524K |
| KLP Kapitalforvaltning As | 0.00% | No change | 19,732 | $510K |
| Hillsdale Investment Management Inc. | 0.03% | New | 19,300 | $499K |
| Polymer Capital Management (US) LLC | 0.15% | New | 18,661 | $483K |
| Ensign Peak Advisors, Inc | 0.00% | No change | 18,059 | $467K |
| Marshall Wace, LLP | 0.00% | New | 17,769 | $460K |
| Voya Investment Management LLC | 0.00% | Add +94.5% | 17,066 | $441K |
| State of Tennessee, Department of Treasury | 0.00% | Reduce -33.0% | 16,785 | $434K |
"% of holder's portfolio" is AAMI's weight in each manager's 13F, not the share of Acadian Asset Management Inc. the manager owns.