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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, Q2 2025

Institutional positions in Acadian Asset Management Inc. as of Jun 30, 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
218
+28 vs. Q1 2025
Shares held
35.8M
−142.0K (−0.4%) vs. Q1 2025
Total value
$1.26B
+$332.5M (+35.8%) vs. Q1 2025
New holders
46
66 more added
Sold out
18
80 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 218 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 heldQ2 2025: $1.26B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Acadian Asset Management Inc.; share changes are against Q1 2025.

Institutions holding AAMI in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Louisiana State Employees Retirement System12,500$440.5K0.01%−700−5.3%Reduced
Polymer Capital Management (US) LLC12,947$456.3K0.07%−5,714−30.6%Reduced
Marshall Wace, LLP13,316$469.3K0.00%−4,453−25.1%Reduced
Price T Rowe Associates Inc13,678$483.0K0.00%+2,004+17.2%Added
Bokf, NA13,916$490.4K0.01%+1,569+12.7%Added
Quantinno Capital Management LP14,042$494.8K0.00%+5,342+61.4%Added
New York State Teachers Retirement System14,358$506.0K0.00%+1,697+13.4%Added
Millennium Management LLC14,364$506.2K0.00%−46,397−76.4%Reduced
Wells Fargo & Company14,375$506.6K0.00%+1,437+11.1%Added
Alps Advisors Inc14,505$511.2K0.00%+175+1.2%Added
Illinois Municipal Retirement Fund14,641$515.9K0.01%−94−0.6%Reduced
Jane Street Group, LLC14,957$527.1K0.00%−60,426−80.2%Reduced
Advisory Services Network, LLC12,732$532.1K0.01%+72+0.6%Added
Mirae Asset Global ETFs Holdings Ltd.15,278$538.4K0.00%−792−4.9%Reduced
Keybank National Association15,319$539.8K0.00%+87+0.6%Added
Voloridge Investment Management, LLC15,525$547.1K0.00%+15,525New
State of Alaska, Department of Revenue15,990$562.0K0.01%+481+3.1%Added
MetLife Investment Management16,309$574.7K0.00%+93+0.6%Added
Horizon Investments, LLC16,384$577.4K0.01%+16,384New
KLP Kapitalforvaltning AS18,032$635.4K0.00%−1,700−8.6%Reduced
Verition Fund Management LLC18,410$648.8K0.00%+2,615+16.6%Added
Greenwich Wealth Management LLC18,500$652.0K0.03%+18,500New
Susquehanna Fundamental Investments, LLC18,530$653.0K0.02%−7,562−29.0%Reduced
STRS Ohio19,300$680.1K0.00%−3,200−14.2%Reduced
Thrivent Financial for Lutherans19,740$696.0K0.00%−818−4.0%Reduced
AXA S.A.20,609$726.3K0.00%00.0%Unchanged
Nebula Research & Development LLC22,121$779.5K0.07%−877−3.8%Reduced
Vident Advisory, LLC22,299$785.8K0.01%+13,482+152.9%Added
State Board of Administration of Florida Retirement System22,812$803.9K0.00%00.0%Unchanged
Great West Life Assurance Co23,126$816.0K0.00%−3,578−13.4%Reduced
Creative Planning23,185$817.0K0.00%+1,237+5.6%Added
BNP Paribas Arbitrage, SA24,142$850.8K0.00%+9,889+69.4%Added
Citigroup Inc24,779$873.2K0.00%−14,857−37.5%Reduced
Aquatic Capital Management LLC25,378$894.3K0.02%+14,794+139.8%Added
LPL Financial LLC26,018$916.9K0.00%−1,345−4.9%Reduced
DGS Capital Management, LLC26,266$925.6K0.19%−703−2.6%Reduced
Brant Point Investment Management LLC26,404$930.5K0.21%+26,404New
California State Teachers Retirement System27,290$961.7K0.00%−269−1.0%Reduced
Linden Thomas Advisory Services, LLC27,844$981.2K0.11%−6,056−17.9%Reduced
Prudential Financial Inc28,166$992.6K0.00%+840+3.1%Added
Engineers Gate Manager LP28,652$1.01M0.01%−25,862−47.4%Reduced
Martingale Asset Management L P29,907$1.05M0.03%−6,783−18.5%Reduced
XTX Topco Ltd30,241$1.07M0.04%−4,991−14.2%Reduced
HSBC Holdings PLC30,261$1.07M0.00%−10,670−26.1%Reduced
SEI Investments Co30,558$1.08M0.00%+30,558New
State of Tennessee, Treasury Department30,792$1.09M0.00%+14,007+83.4%Added
Maverick Capital LtdSuperinvestorMaverick Capital32,476$1.14M0.02%00.0%Unchanged
Allianz Asset Management GmbH33,161$1.17M0.00%+24,561+285.6%Added
Dark Forest Capital Management LP34,043$1.20M0.05%−20,089−37.1%Reduced
Susquehanna Portfolio Strategies, LLC35,357$1.25M0.03%+35,357New
SummerHaven Investment Management, LLC35,404$1.25M0.82%+544+1.6%Added
Alliancebernstein L.P.36,026$1.27M0.00%00.0%Unchanged
Franklin Resources Inc37,072$1.31M0.00%+25,357+216.4%Added
Connor, Clark & Lunn Investment Management Ltd.37,161$1.31M0.00%−3,097−7.7%Reduced
Lazard Asset Management LLC40,330$1.42M0.00%+38,883+2,687.1%Added
Brandywine Global Investment Management, LLC40,431$1.42M0.01%+19,912+97.0%Added
Voya Investment Management LLC41,256$1.45M0.00%+24,190+141.7%Added
Boston Partners49,084$1.73M0.00%+15,618+46.7%Added
American Century Companies Inc50,308$1.77M0.00%+22,118+78.5%Added
Royce & Associates LP52,453$1.85M0.02%−433−0.8%Reduced
Swiss National Bank53,126$1.87M0.00%−5,200−8.9%Reduced
Exchange Traded Concepts, LLC53,397$1.88M0.02%+458+0.9%Added
Hillsdale Investment Management Inc.60,120$2.12M0.08%+40,820+211.5%Added
Teacher Retirement System of Texas62,682$2.21M0.01%−1,578−2.5%Reduced
Prelude Capital Management, LLC62,745$2.21M0.22%−935−1.5%Reduced
Kestrel Investment Management Corp65,381$2.30M1.38%−2,900−4.2%Reduced
AQR Capital Management LLC66,692$2.35M0.00%−21,063−24.0%Reduced
Jupiter Asset Management Ltd67,135$2.37M0.02%+67,135New
Barclays PLC69,042$2.43M0.00%+13,171+23.6%Added
Algert Global LLC69,217$2.44M0.05%−4,130−5.6%Reduced
Susquehanna International Group, LLP71,458$2.52M0.00%+13,240+22.7%Added
Legal & General Group Plc73,467$2.59M0.00%−9,102−11.0%Reduced
LSV Asset Management77,800$2.74M0.01%−6,545−7.8%Reduced
Rhumbline Advisers81,730$2.88M0.00%+2,410+3.0%Added
FMR LLC96,992$3.42M0.00%+10,989+12.8%Added
Bank of America Corp98,379$3.47M0.00%−3,745−3.7%Reduced
D. E. Shaw & Co., Inc.98,549$3.47M0.00%−13,608−12.1%Reduced
Renaissance Technologies LLC99,928$3.52M0.00%+32,800+48.9%Added
EAM Investors, LLC104,132$3.67M0.56%+104,132New
Man Group plc106,340$3.75M0.01%+3,789+3.7%Added
Ameriprise Financial Inc107,399$3.78M0.00%−37,571−25.9%Reduced
Public Sector Pension Investment Board114,540$4.04M0.02%−9,634−7.8%Reduced
Citadel Advisors LLC115,576$4.07M0.00%−9,014−7.2%Reduced
Qube Research & Technologies Ltd123,035$4.34M0.01%−63,213−33.9%Reduced
EJF Capital LLC125,143$4.41M3.51%00.0%Unchanged
UBS Asset Management Americas Inc125,560$4.42M0.00%+34,660+38.1%Added
Principal Financial Group Inc133,252$4.70M0.00%−6,432−4.6%Reduced
Goldman Sachs Group Inc137,002$4.83M0.00%−67,413−33.0%Reduced
Tudor Investment Corp Et Al158,194$5.57M0.04%−2,537−1.6%Reduced
Deutsche Bank AG162,022$5.71M0.00%+49,430+43.9%Added
JPMorgan Chase & Co197,609$6.96M0.00%−41,663−17.4%Reduced
Brightlight Capital Management LP200,000$7.05M3.89%+200,000New
Allspring Global Investments Holdings, LLC210,415$7.51M0.01%+210,415New
Bank of New York Mellon Corp225,233$7.94M0.00%−413−0.2%Reduced
UBS Group AG230,546$8.12M0.00%+154,860+204.6%Added
Invesco Ltd.244,270$8.61M0.00%+70,700+40.7%Added
Two Sigma Investments, LP246,000$8.67M0.02%−9,675−3.8%Reduced
Federated Hermes, Inc.290,323$10.2M0.02%−19,486−6.3%Reduced
Victory Capital Management Inc297,858$10.5M0.01%−261,953−46.8%Reduced
Northern Trust Corp303,252$10.7M0.00%−6,818−2.2%Reduced