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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, Q4 2021

Institutional positions in Acadian Asset Management Inc. as of Dec 31, 2021. 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
180
+3 vs. Q3 2021
Shares held
46.9M
−32.1M (−40.6%) vs. Q3 2021
Total value
$1.20B
−$865.3M (−41.8%) vs. Q3 2021
New holders
38
37 more added
Sold out
35
96 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 holdersQ4 2021: 180 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 heldQ4 2021: $1.20B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Acadian Asset Management Inc.; share changes are against Q3 2021.

Institutions holding AAMI in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Paulson & Co. Inc.8,950,121$229.1M7.06%−11,050,431−55.3%Reduced
BlackRock Inc.6,553,090$167.8M0.00%−2,152,418−24.7%Reduced
FMR LLC3,219,802$82.4M0.01%−866,065−21.2%Reduced
Vanguard Group Inc2,762,280$70.7M0.00%−1,886,825−40.6%Reduced
Jennison Associates LLC1,992,180$51.0M0.03%−1,650,344−45.3%Reduced
State Street Corp1,642,763$42.1M0.00%−317,484−16.2%Reduced
Norges Bank1,308,928$33.5M0.01%+635,426+94.3%Added
Arrowstreet Capital, Limited Partnership1,230,824$31.5M0.04%−514,013−29.5%Reduced
Dimensional Fund Advisors LP1,184,612$30.3M0.01%−888,869−42.9%Reduced
Balyasny Asset Management LLC907,192$23.2M0.10%−940,644−50.9%Reduced
Impax Asset Management Group plc823,745$21.1M0.08%+173,745+26.7%Added
Geode Capital Management, LLC802,764$20.6M0.00%−156,993−16.4%Reduced
Bank of America Corp798,214$20.4M0.00%+323,442+68.1%Added
Jet Capital Investors L P775,000$19.8M10.62%+50,000+6.9%Added
Vaughan Nelson Investment Management, L.P.702,850$18.0M0.18%−776,454−52.5%Reduced
Morgan Stanley666,511$17.1M0.00%−83,531−11.1%Reduced
Invesco Ltd.665,599$17.0M0.00%+99,427+17.6%Added
Voss Capital, LLC535,000$13.7M4.23%+535,000New
Charles Schwab Investment Management Inc513,617$13.1M0.00%−93,582−15.4%Reduced
Nuveen Asset Management, LLC476,122$12.9M0.00%−160,235−25.2%Reduced
Bank of New York Mellon Corp500,189$12.8M0.00%−147,229−22.7%Reduced
Northern Trust Corp487,600$12.5M0.00%−140,583−22.4%Reduced
Man Group plc454,071$11.6M0.04%+109,893+31.9%Added
Goldman Sachs Group Inc452,778$11.6M0.00%−13,575−2.9%Reduced
Principal Financial Group Inc449,673$11.5M0.01%−74,384−14.2%Reduced
HRT Financial LP371,230$9.50M0.05%+347,431+1,459.9%Added
Systematic Alpha Investments, LLC370,108$9.47M0.44%00.0%Unchanged
JPMorgan Chase & Co332,889$8.52M0.00%−11,852−3.4%Reduced
Eagle Asset Management Inc320,658$8.31M0.04%−43,319−11.9%Reduced
ExodusPoint Capital Management, LP249,722$6.39M0.08%+249,722New
Soros Fund Management LLCSuperinvestorSoros Fund Management246,326$6.31M0.09%−362,152−59.5%Reduced
Royce & Associates LP223,581$5.72M0.04%−410,723−64.8%Reduced
Nordea Investment Management AB206,572$5.35M0.01%−208,043−50.2%Reduced
Squarepoint Ops LLC190,313$4.87M0.02%+190,313New
Rock Creek Group, LP175,000$4.48M0.67%+175,000New
Millennium Management LLC174,348$4.46M0.00%−41,439−19.2%Reduced
Keeley-Teton Advisors, LLC168,097$4.30M0.46%−196,996−54.0%Reduced
Truist Financial Corp164,152$4.20M0.01%−29,752−15.3%Reduced
Amundi170,846$4.19M0.00%−720,349−80.8%Reduced
First Trust Advisors LP162,231$4.15M0.00%−5,723−3.4%Reduced
Parametric Portfolio Associates LLC158,861$4.07M0.00%−17,972−10.2%Reduced
Ameriprise Financial Inc150,904$3.86M0.00%−127,853−45.9%Reduced
Qube Research & Technologies Ltd125,416$3.21M0.02%+114,093+1,007.6%Added
Cubist Systematic Strategies, LLC115,656$2.96M0.03%+69,858+152.5%Added
Rhumbline Advisers114,956$2.94M0.00%−29,439−20.4%Reduced
American Century Companies Inc107,321$2.75M0.00%+20,373+23.4%Added
Legal & General Group Plc105,169$2.69M0.00%−63,090−37.5%Reduced
Kestrel Investment Management Corp103,028$2.64M1.19%−114,422−52.6%Reduced
Castellan Group, LLC101,430$2.60M1.80%+101,430New
North Reef Capital Management LP100,000$2.56M1.18%+100,000New
Blueshift Asset Management, LLC97,914$2.51M0.22%+68,563+233.6%Added
Wells Fargo & Company94,219$2.41M0.00%+20,366+27.6%Added
Third Avenue Management LLC94,116$2.41M0.32%−99,143−51.3%Reduced
Tudor Investment Corp Et Al87,590$2.24M0.04%+87,590New
Alliancebernstein L.P.78,703$2.02M0.00%−8,305−9.5%Reduced
Swiss National Bank78,426$2.01M0.00%−53,634−40.6%Reduced
Two Sigma Advisers, LP76,478$1.96M0.00%+25,278+49.4%Added
CSS LLC75,635$1.94M0.09%+75,635New
UBS Asset Management Americas Inc75,027$1.92M0.00%−1,677−2.2%Reduced
Public Sector Pension Investment Board73,030$1.87M0.01%−111,290−60.4%Reduced
Verition Fund Management LLC66,202$1.70M0.02%+19,101+40.6%Added
Trilantic Capital Management L.P.65,542$1.68M0.56%+65,542New
Interval Partners, LP64,714$1.66M0.11%−70,785−52.2%Reduced
Sciencast Management LP64,286$1.63M0.29%+64,286New
Natixis Advisors, L.P.63,220$1.62M0.01%−57,728−47.7%Reduced
California State Teachers Retirement System61,785$1.58M0.00%−18,250−22.8%Reduced
Aurora Investment Counsel60,879$1.56M0.93%−4,122−6.3%Reduced
Twinbeech Capital LP58,959$1.51M0.09%+58,959New
Jane Street Group, LLC53,408$1.37M0.00%+39,124+273.9%Added
Hussman Strategic Advisors, Inc.52,000$1.33M0.29%−41,000−44.1%Reduced
New York State Common Retirement Fund51,907$1.33M0.00%−10,679−17.1%Reduced
Robeco Institutional Asset Management B.V.50,007$1.28M0.00%−65,253−56.6%Reduced
SEI Investments Co45,545$1.17M0.00%−18,360−28.7%Reduced
Caption Management, LLC45,165$1.16M0.07%−1,926−4.1%Reduced
Citigroup Inc44,766$1.15M0.00%+1,781+4.1%Added
Healthcare of Ontario Pension Plan Trust Fund43,721$1.12M0.00%−141,156−76.4%Reduced
Toscafund Asset Management LLP43,605$1.12M0.96%−295,045−87.1%Reduced
Full18 Capital LLC35,579$1.07M0.45%−14,121−28.4%Reduced
Nomura Holdings Inc41,350$1.06M0.01%−44,651−51.9%Reduced
Prudential Financial Inc40,357$1.03M0.00%−22,375−35.7%Reduced
State of Tennessee, Treasury Department38,302$981.0K0.00%−80−0.2%Reduced
Allspring Global Investments Holdings, LLC38,117$975.0K0.00%+38,117New
Deutsche Bank AG37,987$973.0K0.00%+1,691+4.7%Added
Yousif Capital Management, LLC36,863$944.0K0.01%+36,863New
Citadel Advisors LLC35,608$912.0K0.00%+35,608New
Credit Suisse AG35,344$905.0K0.00%−38,096−51.9%Reduced
Harvest Investment Services, LLC34,565$884.0K0.37%+12,062+53.6%Added
Walleye Capital LLC33,981$870.0K0.03%+26,182+335.7%Added
American International Group, Inc.33,571$859.0K0.00%−2,954−8.1%Reduced
Great West Life Assurance Co33,472$856.0K0.00%−18,741−35.9%Reduced
Shay Capital LLC33,300$852.0K0.32%+33,300New
SG Americas Securities, LLC31,706$812.0K0.01%−81,760−72.1%Reduced
Paloma Partners Management Co30,532$782.0K0.02%+30,532New
Maven Securities LTD29,396$753.0K0.09%−65,604−69.1%Reduced
Engineers Gate Manager LP29,343$751.0K0.03%+29,343New
Thrivent Financial for Lutherans29,173$747.0K0.00%−18,956−39.4%Reduced
Louisiana State Employees Retirement System29,000$742.0K0.02%+300+1.0%Added
Winton Group Ltd27,895$714.0K0.04%−11,153−28.6%Reduced
Manufacturers Life Insurance Company, The27,899$714.0K0.00%−71−0.3%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys27,094$694.0K0.01%−18,052−40.0%Reduced