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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 2026

Institutional positions in Acadian Asset Management Inc. as of Jun 30, 2026. 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
302
+50 vs. Q1 2026
Shares held
36.0M
+402.8K (+1.1%) vs. Q1 2026
Total value
$2.58B
+$637.2M (+32.9%) vs. Q1 2026
New holders
68
101 more added
Sold out
18
96 more reduced

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 302 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 2026: $2.58B
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 2026

Shares, value and share of portfolio for each institution holding Acadian Asset Management Inc.; share changes are against Q1 2026.

Institutions holding AAMI in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Swiss Life Asset Management Ltd4,353$311.3K0.00%−281−6.1%Reduced
Fox Run Management, L.L.C.4,393$314.2K0.05%+4,393New
Evergreen Capital Management LLC4,509$322.5K0.01%00.0%Unchanged
CI Private Wealth, LLC4,622$330.6K0.00%+4,622New
CenterBook Partners LP4,672$334.1K0.02%+4,672New
Morningstar Investment Management LLC6,188$336.8K0.02%00.0%Unchanged
Neuberger Berman Group LLC4,892$349.9K0.00%−820−14.4%Reduced
Royal Bank of Canada5,002$358.0K0.00%+3,590+254.2%Added
Bank of Montreal5,015$358.7K0.00%+27+0.5%Added
Captrust Financial Advisors5,034$360.0K0.00%+5,034New
Principal Securities, Inc.5,094$364.3K0.00%+5,094New
Campbell & CO Investment Adviser LLC5,118$366.0K0.02%+5,118New
EJF Capital LLC5,143$367.8K0.25%00.0%Unchanged
Procyon Private Wealth Partners, LLC5,268$376.8K0.02%+5,268New
JMN Financial LLC5,285$378.0K0.29%−185−3.4%Reduced
Oregon Public Employees Retirement Fund5,986$428.1K0.00%−100−1.6%Reduced
Wealth Enhancement Advisory Services, LLC5,471$446.8K0.00%+5,471New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys6,252$447.1K0.00%−283−4.3%Reduced
Abacus Wealth Partners, LLC6,308$451.1K0.05%−191−2.9%Reduced
Bokf, NA6,585$471.0K0.01%−2,289−25.8%Reduced
SummitTX Capital, L.P.6,594$471.6K0.01%+6,594New
Teachers Retirement System of the State of Kentucky6,659$476.0K0.00%00.0%Unchanged
Flagship Harbor Advisors, LLC6,782$485.1K0.02%−88−1.3%Reduced
Mercer Global Advisors Inc6,919$494.9K0.00%+2,201+46.7%Added
State of Wyoming6,966$498.2K0.05%−3,423−32.9%Reduced
Toroso Investments, LLC6,984$499.5K0.00%−69−1.0%Reduced
Advisory Services Network, LLC6,992$500.1K0.01%−1,197−14.6%Reduced
Yousif Capital Management, LLC7,040$503.5K0.01%+30.0%Added
Amalgamated Bank7,135$510.0K0.00%−486−6.4%Reduced
HSBC Holdings PLC7,206$517.2K0.00%−5,030−41.1%Reduced
Vanguard Investments Australia, Ltd.7,253$518.7K0.00%+1,126+18.4%Added
Horizon Investments, LLC12,940$534.7K0.01%−541−4.0%Reduced
Arizona State Retirement System7,639$546.3K0.00%−207−2.6%Reduced
Cetera Investment Advisers7,698$550.6K0.00%+3,265+73.7%Added
Navellier & Associates Inc7,971$570.1K0.05%+7,971New
Jackson Creek Investment Advisors LLC6,723$581.0K0.19%+6,723New
Anb Bank8,157$583.4K0.22%−431−5.0%Reduced
Police & Firemen's Retirement System of New Jersey8,354$597.5K0.00%+1,374+19.7%Added
Optimist Retirement Group LLC8,368$598.5K0.23%+314+3.9%Added
Mangrove Partners8,437$603.4K0.04%+1,605+23.5%Added
Keybank National Association8,498$607.8K0.00%−3,340−28.2%Reduced
Truist Financial Corp8,787$628.5K0.00%+986+12.6%Added
Unique Wealth Strategies, LLC8,790$628.6K0.23%+8,790New
Pathstone Holdings, LLC8,913$637.5K0.00%+3,683+70.4%Added
New York State Teachers Retirement System9,601$687.0K0.00%−338−3.4%Reduced
Cerity Partners LLC9,727$695.7K0.00%+3,749+62.7%Added
World Equity Group, Inc.9,801$701.0K0.16%+9,801New
New York State Common Retirement Fund9,975$713.4K0.00%+1,500+17.7%Added
HBK Investments L P10,000$715.2K0.01%+10,000New
Dark Forest Capital Management LP10,058$719.3K0.05%−20,890−67.5%Reduced
Mitsubishi UFJ Trust & Banking Corp10,473$749.0K0.00%+10,473New
Envestnet Portfolio Solutions, Inc.10,735$767.8K0.00%+469+4.6%Added
First Citizens Bank & Trust Co11,097$793.7K0.01%+415+3.9%Added
Cornerstone Investment Partners, LLC11,117$795.1K0.03%+11,117New
Susquehanna International Group, LLP11,132$796.2K0.00%−1,376−11.0%Reduced
Capstone Investment Advisors, LLC11,165$798.5K0.01%+11,165New
Voleon Capital Management LP11,341$811.1K0.01%−11,695−50.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)11,360$812.5K0.00%00.0%Unchanged
Louisiana State Employees Retirement System11,600$829.6K0.01%−100−0.9%Reduced
Vanguard Global Advisers, LLC11,686$835.8K0.00%+1,306+12.6%Added
Barclays PLC11,870$848.9K0.00%−6,229−34.4%Reduced
Mariner, LLC11,916$852.2K0.00%−1,572−11.7%Reduced
Lido Advisors, LLC12,129$867.5K0.00%+225+1.9%Added
Teacher Retirement System of Texas12,372$884.8K0.00%−14,794−54.5%Reduced
Change Path, LLC12,391$886.2K0.02%−504−3.9%Reduced
Mirae Asset Global ETFs Holdings Ltd.13,044$932.9K0.00%+461+3.7%Added
Illinois Municipal Retirement Fund13,222$945.6K0.01%−1,097−7.7%Reduced
Concurrent Investment Advisors, LLC13,528$967.5K0.01%−1,858−12.1%Reduced
STRS Ohio13,900$994.1K0.00%−900−6.1%Reduced
State of Alaska, Department of Revenue14,119$1.01M0.01%−4,446−23.9%Reduced
Guggenheim Capital LLC14,417$1.03M0.01%+14,417New
KLP Kapitalforvaltning AS14,432$1.03M0.00%00.0%Unchanged
Gsa Capital Partners LLP14,520$1.04M0.07%+6,885+90.2%Added
Manufacturers Life Insurance Company, The14,819$1.06M0.00%+1,882+14.5%Added
State of Tennessee, Treasury Department15,121$1.08M0.00%−9,706−39.1%Reduced
Intech Investment Management LLC15,218$1.09M0.01%−23,890−61.1%Reduced
Twinbeech Capital LP15,500$1.11M0.20%+15,500New
Cinctive Capital Management LP15,885$1.14M0.05%+15,885New
MetLife Investment Management16,497$1.18M0.01%+1,425+9.5%Added
Summit Global Investments16,908$1.21M0.07%−749−4.2%Reduced
Harvest Investment Services, LLC17,119$1.22M0.19%−969−5.4%Reduced
Caldwell Investment Management Ltd.17,500$1.25M0.82%+17,500New
SMA Capital LLC17,500$1.25M0.53%+17,500New
Virginia Retirement Systems Et Al17,700$1.27M0.01%+17,700New
Quadrature Capital Ltd17,934$1.28M0.01%+17,934New
Voya Investment Management LLC18,214$1.30M0.00%+9,509+109.2%Added
Vanguard Asset Management, Ltd18,373$1.31M0.00%00.0%Unchanged
Greenwich Wealth Management LLC18,500$1.32M0.05%00.0%Unchanged
Point72 Asset Management, L.P.18,848$1.35M0.00%+18,848New
MML Investors Services, LLC19,439$1.39M0.00%+3,194+19.7%Added
Thrivent Financial for Lutherans19,532$1.40M0.00%+1,894+10.7%Added
Brevan Howard Capital Management LP19,808$1.42M0.02%+12,561+173.3%Added
Zacks Investment Management22,315$1.60M0.01%−28,538−56.1%Reduced
Fulcrum Asset Management LLP22,864$1.63M0.16%+22,864New
Great West Life Assurance Co23,156$1.66M0.00%−913−3.8%Reduced
Price T Rowe Associates Inc23,568$1.69M0.00%+3,563+17.8%Added
Quantinno Capital Management LP23,978$1.71M0.00%+1,396+6.2%Added
Jones Financial Companies LLLP23,899$1.73M0.00%+11,220+88.5%Added
Russell Investments Group, Ltd.24,691$1.77M0.00%−2,210−8.2%Reduced
Weiss Asset Management LP25,675$1.84M0.02%+25,675New