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

0100200300400 Q1 2024: 168Q1 2024Q2 2024: 164Q2 2024Q3 2024: 172Q3 2024Q4 2024: 178Q4 2024Q1 2025: 191Q1 2025Q2 2025: 218Q2 2025Q3 2025: 250Q3 2025Q4 2025: 256Q4 2025Q1 2026: 256Q1 2026Q2 2026: 302Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions44$31.0M
Exits18$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
MetLife Investment Management, LLC 0.00% Add +0.6% 16,309 $575K
State of Alaska, Department of Revenue 0.01% Add +3.1% 15,990 $562K
Voloridge Investment Management, LLC 0.00% New 15,525 $547K
Keybank National Association 0.00% Add +0.6% 15,319 $540K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -4.9% 15,278 $538K
Advisory Services Network, LLC 0.01% Add +0.6% 12,732 $532K
Jane Street Group, LLC 0.00% Reduce -80.2% 14,957 $527K
Illinois Municipal Retirement Fund 0.01% Reduce -0.6% 14,641 $516K
Alps Advisors Inc. 0.00% Add +1.2% 14,505 $511K
Wells Fargo & Company 0.00% Add +11.1% 14,375 $507K
Millennium Management 0.00% Reduce -76.4% 14,364 $506K
New York State Teachers Retirement System 0.00% Add +13.4% 14,358 $506K
Quantinno Capital Management LP 0.00% Add +61.4% 14,042 $495K
Bokf, NA 0.01% Add +12.7% 13,916 $490K
T. Rowe Price Associates Inc. 0.00% Add +17.2% 13,678 $483K
Marshall Wace, LLP 0.00% Reduce -25.1% 13,316 $469K
Polymer Capital Management (US) LLC 0.07% Reduce -30.6% 12,947 $456K
Louisiana State Employees Retirement System 0.01% Reduce -5.3% 12,500 $441K
Ensign Peak Advisors, Inc 0.00% Reduce -31.0% 12,459 $439K
Janus Henderson Group PLC 0.00% No change 12,433 $438K
Quantbot Technologies LP 0.01% Add +248.7% 12,378 $436K
AlphaQuest LLC 0.04% Add +21377.2% 12,242 $431K
First Citizens Bank & Trust Co. 0.01% New 11,735 $414K
Intech Investment Management LLC 0.00% Reduce -9.7% 11,348 $400K
Envestnet Portfolio Solutions, Inc. 0.00% New 11,307 $398K
Optimist Retirement Group LLC 0.19% Add +7.2% 11,107 $391K
Teachers Retirement System of the State of Kentucky 0.00% No change 10,751 $379K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% Reduce -71.6% 10,226 $360K
Yousif Capital Management, LLC 0.00% Reduce -2.4% 10,219 $360K
Manufacturers Life Insurance Company, The 0.00% Add +7.4% 10,217 $360K
Kendall Capital Management 0.09% New 10,130 $357K
Magnetar Financial LLC 0.00% New 9,288 $327K
PDT Partners, LLC 0.02% Reduce -78.3% 9,078 $320K
State of Wisconsin Investment Board 0.00% Reduce -75.4% 8,848 $312K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 8,802 $310K
Institute for Wealth Management, LLC. 0.03% New 8,577 $302K
New York State Common Retirement Fund 0.00% No change 8,475 $299K
Anb Bank 0.13% New 8,425 $297K
HighTower Advisors, LLC 0.00% Reduce -0.8% 8,376 $295K
Arizona State Retirement System 0.00% Reduce -5.3% 8,113 $286K
Inceptionr LLC 0.07% New 7,999 $282K
Maryland State Retirement & Pension System 0.01% Reduce -3.4% 7,890 $278K
Amalgamated Bank 0.00% Reduce -3.8% 7,662 $270K
Lido Advisors, LLC 0.00% New 7,648 $270K
iSAM Funds (UK) Ltd 0.06% New 7,173 $253K
Brevan Howard Capital Management LP 0.00% New 7,065 $249K
Diametric Capital, LP 0.13% New 7,017 $247K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% New 6,893 $243K
Bank of Montreal 0.00% New 6,824 $240K
Police & Firemen's Retirement System of New Jersey 0.00% No change 6,692 $236K
Cubist Systematic Strategies, LLC 0.00% New 6,613 $233K
Axq Capital, LP 0.07% New 6,218 $219K
Oregon Public Employees Retirement Fund 0.00% Reduce -3.1% 6,186 $218K
ProShare Advisors LLC 0.00% New 6,186 $218K
R Squared Ltd 0.12% New 6,178 $218K
Pictet Asset Management Holding SA 0.00% New 6,162 $217K
State of Wyoming 0.03% New 5,949 $210K
WINTON GROUP Ltd 0.01% Reduce -85.3% 5,851 $206K
Shell Asset Management Co. 0.01% Reduce -10.1% 4,454 $157K
Tower Research Capital LLC (TRC) 0.00% Add +330.3% 3,300 $116K
PNC Financial Services Group, Inc. 0.00% Reduce -4.2% 2,915 $103K
Royal Bank of Canada 0.00% Add +9.7% 2,891 $102K
Russell Investments Group, Ltd. 0.00% Add +279.4% 2,758 $97K
Ameritas Investment Partners, Inc. 0.00% No change 2,708 $95K
Global Retirement Partners, LLC 0.00% — 2,000 $70K
WealthCollab, LLC 0.04% No change 1,848 $65K
Raymond James Financial Inc. 0.00% New 1,741 $61K
Blue Trust, Inc. 0.00% Reduce -23.7% 1,606 $57K
Point72 (DIFC) Ltd 0.00% New 1,605 $57K
Cwm, LLC 0.00% Add +27.6% 1,560 $55K
Public Employees Retirement System of Ohio 0.00% Reduce -16.8% 1,250 $44K
GAMMA Investing LLC 0.00% Add +82.1% 1,060 $37K
EverSource Wealth Advisors, LLC 0.00% Add +150.1% 868 $31K
Signaturefd, LLC 0.00% No change 710 $25K
US Bancorp \de 0.00% Reduce -2.5% 618 $22K
Smartleaf Asset Management LLC 0.00% Reduce -10.2% 522 $18K
Brooklyn Investment Group 0.00% Add +1573.1% 435 $15K
Fifth Third Bancorp 0.00% Reduce -10.5% 348 $12K
Harbor Capital Advisors, Inc. 0.00% Add +14.7% 305 $11K
Osaic Holdings, Inc. 0.00% Add +496.0% 298 $11K
Nisa Investment Advisors, LLC 0.00% Add +693.9% 262 $9K
Farther Finance Advisors, LLC 0.00% Add +20.2% 238 $8K
Bessemer Group Inc. 0.00% No change 192 $7K
Altshuler Shaham Ltd 0.00% Reduce -14.8% 138 $5K
Vermillion & White Wealth Management Group, LLC 0.00% Reduce -17.2% 135 $5K
Twin Peaks Wealth Advisors, LLC 0.00% New 95 $5K
Allworth Financial LP 0.00% No change 121 $4K
UMB Bank, n.a. 0.00% Reduce -25.3% 112 $4K
Versant Capital Management, Inc 0.00% Add +816.7% 110 $4K
Rothschild Investment LLC 0.00% Add +66.7% 100 $4K
Arax Advisory Partners 0.00% Add +15.6% 89 $3K
MassMutual Private Wealth & Trust, FSB 0.00% No change 89 $3K
Colonial Trust Co / SC 0.00% New 82 $3K
CIBC Private Wealth Group LLC 0.00% New 73 $3K
Sterling Capital Management LLC 0.00% Add +139.3% 67 $2K
Caitong International Asset Management Co., Ltd 0.00% Add +173.9% 63 $2K
MAI Capital Management 0.00% New 62 $2K
Private Wealth Management Group, LLC 0.00% No change 60 $2K
Keystone Financial Group, Inc. 0.00% No change 45 $2K
Jones Financial Companies LLLP 0.00% New 50 $2K
Parkside Financial Bank & Trust 0.00% Add +92.0% 48 $2K
Larson Financial Group LLC 0.00% Add +800.0% 45 $2K
First Horizon Advisors, Inc. 0.00% No change 45 $2K
Parallel Advisors, LLC 0.00% Reduce -35.7% 45 $2K
IFP Advisors, Inc 0.00% New 40 $1K
Quarry LP 0.00% New 38 $1K
Clearstead Trust, LLC 0.00% New 32 $1K
Covestor Ltd 0.00% Reduce -96.3% 15 $1K
Harvest Fund Management Co., Ltd 0.00% No change 42 $1K
Cornerstone Planning Group LLC 0.00% New 22 $980
Farmers & Merchants Investments Inc. 0.00% No change 21 $740
Essential Partners LLC 0.00% — 20 $705
Annis Gardner Whiting Capital Advisors, LLC 0.00% New 10 $353
True Wealth Design, LLC 0.00% No change 8 $282
SBI Securities Co., Ltd. 0.00% No change 2 $70
Hantz Financial Services, Inc. 0.00% New 14 $0
Simplex Trading, LLC 0.00% New 2 $0
Avion Wealth 0.00% New 13 $0

"% of holder's portfolio" is AAMI's weight in each manager's 13F, not the share of Acadian Asset Management Inc. the manager owns.