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

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 Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions27$11.8M
Exits16$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
MetLife Investment Management, LLC 0.00% Reduce -1.8% 16,216 $419K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.6% 16,070 $416K
Verition Fund Management LLC 0.00% Reduce -52.3% 15,795 $408K
State of Alaska, Department of Revenue 0.00% Reduce -2.5% 15,509 $401K
Keybank National Association 0.00% Add +17.2% 15,232 $394K
Illinois Municipal Retirement Fund 0.01% Reduce -2.5% 14,735 $381K
Alps Advisors Inc. 0.00% New 14,330 $371K
BNP Paribas Financial Markets 0.00% Add +97.2% 14,253 $369K
Corebridge Financial, Inc. 0.00% Reduce -1.9% 14,160 $366K
Louisiana State Employees Retirement System 0.01% Reduce -2.2% 13,200 $341K
Wells Fargo & Company 0.00% Reduce -50.0% 12,938 $335K
Advisory Services Network, LLC 0.01% Add +18.0% 12,660 $327K
New York State Teachers Retirement System 0.00% Reduce -2.3% 12,661 $327K
Intech Investment Management LLC 0.00% Add +10.6% 12,572 $325K
Janus Henderson Group PLC 0.00% No change 12,433 $322K
Bokf, NA 0.01% Reduce -12.6% 12,347 $319K
Sherbrooke Park Advisers LLC 0.14% Reduce -17.0% 11,811 $305K
Franklin Resources Inc. 0.00% No change 11,715 $303K
T. Rowe Price Associates Inc. 0.00% Add +9.5% 11,674 $302K
Teachers Retirement System of the State of Kentucky 0.00% No change 10,751 $278K
Aquatic Capital Management LLC 0.01% Add +255.5% 10,584 $274K
Yousif Capital Management, LLC 0.00% Reduce -2.1% 10,470 $271K
Optimist Retirement Group LLC 0.13% Add +13.6% 10,362 $268K
SummitTX Capital, L.P. 0.01% — 10,164 $263K
Petrus Trust Company, LTA 0.02% New 8,936 $231K
Campbell & CO Investment Adviser LLC 0.02% Reduce -62.1% 8,821 $228K
Vident Advisory, LLC 0.00% New 8,817 $228K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 8,802 $228K
Quantinno Capital Management LP 0.00% New 8,700 $225K
Allianz Asset Management GmbH 0.00% No change 8,600 $222K
Arizona State Retirement System 0.00% Reduce -0.5% 8,564 $221K
New York State Common Retirement Fund 0.00% Reduce -11.1% 8,475 $219K
HighTower Advisors, LLC 0.00% New 8,444 $218K
Maryland State Retirement & Pension System 0.01% Reduce -13.0% 8,167 $211K
Amalgamated Bank 0.00% Reduce -2.1% 7,968 $206K
SG Americas Securities, LLC 0.00% Reduce -57.0% 6,875 $178K
Police & Firemen's Retirement System of New Jersey 0.00% No change 6,692 $173K
Oregon Public Employees Retirement Fund 0.00% Reduce -3.0% 6,386 $165K
Shell Asset Management Co. 0.01% Reduce -4.2% 4,952 $128K
Picton Mahoney Asset Management 0.00% Reduce -19.0% 3,860 $100K
Quantbot Technologies LP 0.00% New 3,550 $92K
PNC Financial Services Group, Inc. 0.00% Reduce -35.0% 3,042 $79K
Ameritas Investment Partners, Inc. 0.00% No change 2,708 $70K
Royal Bank of Canada 0.00% Add +21.3% 2,636 $68K
Blue Trust, Inc. 0.00% Add +17.1% 2,106 $54K
WealthCollab, LLC 0.03% Add +2.4% 1,848 $48K
Summit Securities Group LLC 0.03% New 1,800 $47K
Public Employees Retirement System of Ohio 0.00% Reduce -5.8% 1,503 $39K
Lazard Asset Management LLC 0.00% New 1,447 $37K
Quadrant Capital Group LLC 0.00% Add +3.9% 1,390 $36K
Cwm, LLC 0.00% Add +33.8% 1,223 $32K
Tower Research Capital LLC (TRC) 0.00% Reduce -97.5% 767 $20K
Russell Investments Group, Ltd. 0.00% No change 727 $19K
Signaturefd, LLC 0.00% No change 710 $18K
Lindbrook Capital, LLC 0.00% No change 696 $18K
US Bancorp \de 0.00% Reduce -93.3% 634 $16K
GAMMA Investing LLC 0.00% Add +124.7% 582 $15K
Smartleaf Asset Management LLC 0.00% Reduce -2.7% 581 $15K
Fifth Third Bancorp 0.00% Reduce -2.8% 389 $10K
Covestor Ltd 0.01% Add +3627.3% 410 $10K
EverSource Wealth Advisors, LLC 0.00% Add +0.3% 347 $9K
Harbor Capital Advisors, Inc. 0.00% New 266 $7K
Farther Finance Advisors, LLC 0.00% No change 198 $5K
Bessemer Group Inc. 0.00% No change 192 $5K
Vermillion & White Wealth Management Group, LLC 0.00% New 163 $4K
Altshuler Shaham Ltd 0.00% Add +20.9% 162 $4K
UMB Bank, n.a. 0.00% Add +94.8% 150 $4K
Allworth Financial LP 0.00% Reduce -6.2% 121 $3K
SVB Wealth LLC 0.00% New 90 $2K
MassMutual Private Wealth & Trust, FSB 0.00% No change 89 $2K
Arax Advisory Partners 0.00% Reduce -26.7% 77 $2K
Parallel Advisors, LLC 0.00% Add +900.0% 70 $2K
Coldstream Capital Management Inc. 0.00% New 66 $2K
Private Wealth Management Group, LLC 0.00% No change 60 $2K
Rothschild Investment LLC 0.00% Add +20.0% 60 $2K
AlphaQuest LLC 0.00% Reduce -99.6% 57 $1K
Osaic Holdings, Inc. 0.00% Reduce -82.8% 50 $1K
Keystone Financial Group, Inc. 0.00% No change 45 $1K
First Horizon Advisors, Inc. 0.00% No change 45 $1K
Harvest Fund Management Co., Ltd 0.00% No change 42 $1K
Nisa Investment Advisors, LLC 0.00% No change 33 $853
Sterling Capital Management LLC 0.00% New 28 $724
Brooklyn Investment Group 0.00% Add +160.0% 26 $673
Parkside Financial Bank & Trust 0.00% New 25 $648
Caitong International Asset Management Co., Ltd 0.00% New 23 $595
Farmers & Merchants Investments Inc. 0.00% No change 21 $543
Stephens Consulting, LLC 0.00% New 15 $388
Versant Capital Management, Inc 0.00% No change 12 $310
True Wealth Design, LLC 0.00% New 8 $207
Larson Financial Group LLC 0.00% Reduce -99.1% 5 $129
SBI Securities Co., Ltd. 0.00% No change 2 $52

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