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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, Q1 2025

Institutional positions in Acadian Asset Management Inc. as of Mar 31, 2025. 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
191
+13 vs. Q4 2024
Shares held
35.9M
−1.16M (−3.1%) vs. Q4 2024
Total value
$929.0M
−$47.7M (−4.9%) vs. Q4 2024
New holders
29
62 more added
Sold out
16
67 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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.

Institutional holdersQ1 2025: 191 institutions
Q1 2021: 169 institutionsQ2 2021: 167 institutionsQ3 2021: 178 institutionsQ4 2021: 180 institutionsQ1 2022: 163 institutionsQ2 2022: 152 institutionsQ3 2022: 151 institutionsQ4 2022: 144 institutionsQ1 2023: 166 institutionsQ2 2023: 156 institutionsQ3 2023: 163 institutionsQ4 2023: 171 institutionsQ1 2024: 168 institutionsQ2 2024: 164 institutionsQ3 2024: 172 institutionsQ4 2024: 179 institutionsQ1 2025: 191 institutionsQ2 2025: 218 institutionsQ3 2025: 250 institutionsQ4 2025: 256 institutionsQ1 2026: 256 institutionsQ2 2026: 302 institutions
Value heldQ1 2025: $929.0M
Q1 2021: $1.61BQ2 2021: $1.85BQ3 2021: $2.07BQ4 2021: $1.20BQ1 2022: $1.07BQ2 2022: $767.4MQ3 2022: $635.2MQ4 2022: $871.9MQ1 2023: $981.8MQ2 2023: $864.2MQ3 2023: $797.6MQ4 2023: $786.6MQ1 2024: $894.4MQ2 2024: $843.2MQ3 2024: $943.8MQ4 2024: $994.2MQ1 2025: $929.0MQ2 2025: $1.26BQ3 2025: $1.68BQ4 2025: $1.67BQ1 2026: $1.96BQ2 2026: $2.58B
Institutions holding AAMI and their total value by quarter
QuarterHoldersValue
Q2 2026302$2.58B
Q1 2026256$1.96B
Q4 2025256$1.67B
Q3 2025250$1.68B
Q2 2025218$1.26B
Q1 2025191$929.0M
Q4 2024179$994.2M
Q3 2024172$943.8M
Q2 2024164$843.2M
Q1 2024168$894.4M
Q4 2023171$786.6M
Q3 2023163$797.6M
Q2 2023156$864.2M
Q1 2023166$981.8M
Q4 2022144$871.9M
Q3 2022151$635.2M
Q2 2022152$767.4M
Q1 2022163$1.07B
Q4 2021180$1.20B
Q3 2021178$2.07B
Q2 2021167$1.85B
Q1 2021169$1.61B

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Acadian Asset Management Inc.; share changes are against Q4 2024.

Institutions holding AAMI in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Paulson & Co. Inc.8,950,121$231.5M13.25%00.0%Unchanged
BlackRock, Inc.5,432,589$140.5M0.00%−83,676−1.5%Reduced
Vanguard Group Inc2,344,929$60.6M0.00%+40,222+1.7%Added
Empyrean Capital Partners, LP1,880,634$48.6M2.60%00.0%Unchanged
Jennison Associates LLC1,372,613$35.5M0.02%+189,649+16.0%Added
State Street Corp1,198,505$31.0M0.00%−75,962−6.0%Reduced
William Blair Investment Management, LLC1,140,425$29.5M0.08%−52,549−4.4%Reduced
Impax Asset Management Group plc1,100,000$28.4M0.17%+100,000+10.0%Added
Dimensional Fund Advisors LP1,062,019$27.5M0.01%−50,043−4.5%Reduced
Nuveen, LLC666,653$17.2M0.01%+666,653New
Geode Capital Management, LLC631,597$16.3M0.00%+20,037+3.3%Added
Victory Capital Management Inc559,811$14.5M0.01%+56,165+11.2%Added
Arrowstreet Capital, Limited Partnership512,808$13.3M0.01%−63,584−11.0%Reduced
North Reef Capital Management LP489,697$12.7M0.55%−35,303−6.7%Reduced
Morgan Stanley423,452$11.0M0.00%−92,839−18.0%Reduced
Two Sigma Advisers, LP387,075$10.0M0.02%+42,700+12.4%Added
Systematic Alpha Investments, LLC370,108$9.57M0.37%00.0%Unchanged
Soros Fund Management LLCSuperinvestorSoros Fund Management346,293$8.96M0.16%00.0%Unchanged
Charles Schwab Investment Management Inc334,701$8.66M0.00%−58,653−14.9%Reduced
Northern Trust Corp310,070$8.02M0.00%+5,735+1.9%Added
Federated Hermes, Inc.309,809$8.01M0.02%+871+0.3%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main271,126$7.01M0.01%+132,303+95.3%Added
Two Sigma Investments, LP255,675$6.61M0.01%+31,497+14.0%Added
JPMorgan Chase & Co239,272$6.19M0.00%−106,476−30.8%Reduced
Bank of New York Mellon Corp225,646$5.84M0.00%−10,477−4.4%Reduced
Goldman Sachs Group Inc204,415$5.29M0.00%+1,963+1.0%Added
Qube Research & Technologies Ltd186,248$4.82M0.01%−14,056−7.0%Reduced
ExodusPoint Capital Management, LP184,293$4.77M0.06%−69,339−27.3%Reduced
Invesco Ltd.173,570$4.49M0.00%−125,165−41.9%Reduced
Tudor Investment Corp Et Al160,731$4.16M0.04%−3,450−2.1%Reduced
Ameriprise Financial Inc144,970$3.75M0.00%−1,249−0.9%Reduced
Principal Financial Group Inc139,684$3.61M0.00%+3,195+2.3%Added
Richard Bernstein Advisors LLC132,563$3.43M0.08%−5,727−4.1%Reduced
EJF Capital LLC125,143$3.24M2.05%+27,027+27.5%Added
Citadel Advisors LLC124,590$3.22M0.00%−5,531−4.3%Reduced
Public Sector Pension Investment Board124,174$3.21M0.01%+54,500+78.2%Added
Deutsche Bank AG112,592$2.91M0.00%+42,881+61.5%Added
D. E. Shaw & Co., Inc.112,157$2.90M0.00%+33,345+42.3%Added
Man Group plc102,551$2.65M0.01%−9,058−8.1%Reduced
Bank of America Corp102,124$2.64M0.00%+20,900+25.7%Added
UBS Asset Management Americas Inc90,900$2.35M0.00%+6,501+7.7%Added
AQR Capital Management LLC87,755$2.27M0.00%+7,102+8.8%Added
FMR LLC86,003$2.22M0.00%+14,037+19.5%Added
LSV Asset Management84,345$2.18M0.01%+84,345New
Legal & General Group Plc82,569$2.14M0.00%−3,378−3.9%Reduced
Rhumbline Advisers79,320$2.05M0.00%+79,320New
UBS Group AG75,686$1.96M0.00%−306,195−80.2%Reduced
Jane Street Group, LLC75,383$1.95M0.00%+5,579+8.0%Added
Algert Global LLC73,347$1.90M0.05%+7,610+11.6%Added
Kestrel Investment Management Corp68,281$1.76M1.08%00.0%Unchanged
Renaissance Technologies LLC67,128$1.74M0.00%+800+1.2%Added
Teacher Retirement System of Texas64,260$1.66M0.01%−28,656−30.8%Reduced
Prelude Capital Management, LLC63,680$1.65M0.17%+30,707+93.1%Added
Millennium Management LLC60,761$1.57M0.00%−57,376−48.6%Reduced
Swiss National Bank58,326$1.51M0.00%00.0%Unchanged
Susquehanna International Group, LLP58,218$1.51M0.00%+13,743+30.9%Added
Barclays PLC55,871$1.44M0.00%−7,073−11.2%Reduced
Engineers Gate Manager LP54,514$1.41M0.02%+7,095+15.0%Added
Dark Forest Capital Management LP54,132$1.40M0.06%+54,132New
Exchange Traded Concepts, LLC52,939$1.37M0.02%+42,216+393.7%Added
Royce & Associates LP52,886$1.37M0.01%+478+0.9%Added
PDT Partners, LLC41,899$1.08M0.08%−5,268−11.2%Reduced
HSBC Holdings PLC40,931$1.06M0.00%+12,778+45.4%Added
Connor, Clark & Lunn Investment Management Ltd.40,258$1.04M0.00%+30,886+329.6%Added
Winton Group Ltd39,789$1.03M0.06%+23,654+146.6%Added
Citigroup Inc39,636$1.02M0.00%−802−2.0%Reduced
Martingale Asset Management L P36,690$948.8K0.02%+2,718+8.0%Added
Alliancebernstein L.P.36,026$931.6K0.00%−129−0.4%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH36,010$931.2K0.00%+36,010New
State of Wisconsin Investment Board35,949$929.6K0.00%−14,556−28.8%Reduced
XTX Topco Ltd35,232$911.1K0.05%+35,232New
SummerHaven Investment Management, LLC34,860$901.5K0.63%+577+1.7%Added
Linden Thomas Advisory Services, LLC33,900$876.7K0.11%+3,607+11.9%Added
Boston Partners33,466$865.4K0.00%+33,466New
Maverick Capital LtdSuperinvestorMaverick Capital32,476$839.8K0.02%+20,959+182.0%Added
Gsa Capital Partners LLP30,231$782.0K0.07%+220+0.7%Added
American Century Companies Inc28,190$729.0K0.00%−1,623−5.4%Reduced
California State Teachers Retirement System27,559$712.7K0.00%00.0%Unchanged
LPL Financial LLC27,363$707.6K0.00%−479−1.7%Reduced
Prudential Financial Inc27,326$706.6K0.00%−730−2.6%Reduced
Squarepoint Ops LLC27,139$701.8K0.00%−3,462−11.3%Reduced
DGS Capital Management, LLC26,969$697.4K0.18%+2,173+8.8%Added
Great West Life Assurance Co26,704$690.0K0.00%00.0%Unchanged
Susquehanna Fundamental Investments, LLC26,092$674.7K0.01%−31,696−54.8%Reduced
Nebula Research & Development LLC22,998$594.7K0.05%−5,715−19.9%Reduced
State Board of Administration of Florida Retirement System22,812$589.9K0.00%00.0%Unchanged
STRS Ohio22,500$581.9K0.00%00.0%Unchanged
Creative Planning21,948$567.6K0.00%+1,831+9.1%Added
AXA S.A.20,609$532.9K0.00%+12,355+149.7%Added
Thrivent Financial for Lutherans20,558$532.0K0.00%−1,076−5.0%Reduced
Brandywine Global Investment Management, LLC20,519$530.6K0.00%+20,519New
HRT Financial LP20,284$524.0K0.00%+6,907+51.6%Added
KLP Kapitalforvaltning AS19,732$510.3K0.00%00.0%Unchanged
Hillsdale Investment Management Inc.19,300$499.1K0.03%+19,300New
Polymer Capital Management (US) LLC18,661$482.6K0.15%+18,661New
Ensign Peak Advisors, Inc18,059$467.0K0.00%00.0%Unchanged
Marshall Wace, LLP17,769$459.5K0.00%+17,769New
Voya Investment Management LLC17,066$441.3K0.00%+8,292+94.5%Added
State of Tennessee, Treasury Department16,785$434.1K0.00%−8,280−33.0%Reduced
MetLife Investment Management16,216$419.3K0.00%−295−1.8%Reduced