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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 2023

Institutional positions in Acadian Asset Management Inc. as of Dec 31, 2023. 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
171
+9 vs. Q3 2023
Shares held
41.1M
+71.1K (+0.2%) vs. Q3 2023
Total value
$786.6M
−$11.0M (−1.4%) vs. Q3 2023
New holders
25
67 more added
Sold out
16
57 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 2023: 171 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 2023: $786.6M
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 2023

Shares, value and share of portfolio for each institution holding Acadian Asset Management Inc.; share changes are against Q3 2023.

Institutions holding AAMI in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Paulson & Co. Inc.8,950,121$171.5M15.48%00.0%Unchanged
BlackRock Inc.5,442,141$104.3M0.00%+190,326+3.6%Added
Vanguard Group Inc2,680,065$51.4M0.00%−34,050−1.3%Reduced
Azora Capital LP2,115,143$40.5M3.67%+88,859+4.4%Added
Empyrean Capital Partners, LP1,880,634$36.0M2.18%00.0%Unchanged
North Reef Capital Management LP1,875,725$35.9M2.09%+175,725+10.3%Added
State Street Corp1,384,276$26.5M0.00%−23,309−1.7%Reduced
William Blair Investment Management, LLC1,201,403$23.0M0.07%−23,655−1.9%Reduced
Dimensional Fund Advisors LP1,115,981$21.4M0.01%−1,541−0.1%Reduced
Impax Asset Management Group plc1,048,818$20.1M0.08%+100,000+10.5%Added
Millennium Management LLC989,659$19.0M0.02%−30,905−3.0%Reduced
Charles Schwab Investment Management Inc741,127$14.2M0.00%+68,114+10.1%Added
Geode Capital Management, LLC676,695$13.0M0.00%+29,164+4.5%Added
Jennison Associates LLC587,073$11.2M0.01%+109,648+23.0%Added
Morgan Stanley528,702$10.1M0.00%+141,296+36.5%Added
Nuveen Asset Management, LLC458,687$8.79M0.00%−1,023−0.2%Reduced
Victory Capital Management Inc452,834$8.68M0.01%+195,036+75.7%Added
Mangrove Partners425,761$8.16M0.71%−615,227−59.1%Reduced
Citadel Advisors LLC376,997$7.22M0.01%+238,153+171.5%Added
Systematic Alpha Investments, LLC370,108$7.09M0.32%00.0%Unchanged
Arrowstreet Capital, Limited Partnership359,817$6.89M0.01%+25,857+7.7%Added
Northern Trust Corp351,085$6.73M0.00%+6,614+1.9%Added
Soros Fund Management LLCSuperinvestorSoros Fund Management346,293$6.63M0.13%−330.0%Reduced
Bank of New York Mellon Corp345,329$6.62M0.00%−15,112−4.2%Reduced
Maltese Capital Management LLC287,251$5.50M1.55%+2,251+0.8%Added
Two Sigma Investments, LP270,630$5.19M0.01%+76,083+39.1%Added
Norges Bank218,970$4.20M0.00%−163,780−42.8%Reduced
Ameriprise Financial Inc212,318$4.07M0.00%−8,008−3.6%Reduced
Two Sigma Advisers, LP202,675$3.88M0.01%+90,300+80.4%Added
Weiss Multi-Strategy Advisers LLC194,565$3.73M0.09%−11,127−5.4%Reduced
JPMorgan Chase & Co192,872$3.70M0.00%+33,078+20.7%Added
Allianz Asset Management GmbH188,350$3.61M0.01%+24,950+15.3%Added
Goldman Sachs Group Inc184,902$3.54M0.00%+12,906+7.5%Added
Keeley-Teton Advisors, LLC184,809$3.54M0.46%−13,460−6.8%Reduced
D. E. Shaw & Co., Inc.181,122$3.47M0.01%+75,543+71.6%Added
Man Group plc173,200$3.32M0.01%––
Amundi172,349$3.24M0.00%+3,674+2.2%Added
Principal Financial Group Inc168,777$3.23M0.00%−5,582−3.2%Reduced
Qube Research & Technologies Ltd166,081$3.18M0.01%+14,782+9.8%Added
Invesco Ltd.141,376$2.71M0.00%−9,504−6.3%Reduced
State of New Jersey Common Pension Fund D141,305$2.71M0.01%+22,164+18.6%Added
Richard Bernstein Advisors LLC138,290$2.65M0.06%+99+0.1%Added
Tudor Investment Corp Et Al101,100$1.94M0.03%+22,370+28.4%Added
Rhumbline Advisers100,295$1.92M0.00%−751−0.7%Reduced
Legal & General Group Plc94,452$1.81M0.00%+1,893+2.0%Added
EJF Capital LLC89,866$1.72M0.90%+22,001+32.4%Added
Algert Global LLC80,402$1.54M0.06%+46,460+136.9%Added
Denali Advisors LLC78,744$1.51M0.46%+25,298+47.3%Added
Gsa Capital Partners LLP77,262$1.48M0.12%+77,262New
Renaissance Technologies LLC75,800$1.45M0.00%−42,200−35.8%Reduced
Barclays PLC72,142$1.38M0.00%+42,365+142.3%Added
Public Sector Pension Investment Board67,189$1.29M0.01%+27,172+67.9%Added
Swiss National Bank65,526$1.26M0.00%−7,400−10.1%Reduced
Kestrel Investment Management Corp63,781$1.22M0.83%−12,300−16.2%Reduced
Bank of America Corp63,287$1.21M0.00%+13,274+26.5%Added
Credit Suisse AG60,030$1.15M0.00%+987+1.7%Added
Cubist Systematic Strategies, LLC57,081$1.09M0.01%+57,081New
Royce & Associates LP56,131$1.08M0.01%+6,885+14.0%Added
Citigroup Inc54,335$1.04M0.00%+27,519+102.6%Added
UBS Group AG52,967$1.01M0.00%+1,636+3.2%Added
Mitsubishi UFJ Trust & Banking Corp47,914$918.5K0.00%+14,543+43.6%Added
Teacher Retirement System of Texas44,607$855.0K0.01%−5,743−11.4%Reduced
New York State Common Retirement Fund42,278$810.0K0.00%+9,111+27.5%Added
Engineers Gate Manager LP41,572$796.5K0.02%+29,438+242.6%Added
UBS Asset Management Americas Inc40,899$783.6K0.00%+11,464+38.9%Added
Alliancebernstein L.P.40,455$775.1K0.00%−161,510−80.0%Reduced
ExodusPoint Capital Management, LP40,176$770.0K0.01%+21,433+114.4%Added
State of Wisconsin Investment Board38,849$744.3K0.00%+16,106+70.8%Added
Trexquant Investment LP38,831$744.0K0.02%+38,831New
Truist Financial Corp37,905$726.3K0.00%+2,435+6.9%Added
Prudential Financial Inc37,286$714.4K0.00%−262−0.7%Reduced
American Century Companies Inc35,647$683.0K0.00%+18,831+112.0%Added
California State Teachers Retirement System34,931$669.3K0.00%−1,586−4.3%Reduced
Marshall Wace, LLP34,363$658.4K0.00%+34,363New
Tower Research Capital LLC (TRC)31,991$612.9K0.01%+31,047+3,288.9%Added
HRT Financial LP30,618$586.0K0.00%+11,147+57.2%Added
Martingale Asset Management L P29,146$558.4K0.01%−1,826−5.9%Reduced
Campbell & CO Investment Adviser LLC29,084$557.2K0.05%+14,488+99.3%Added
Thrivent Financial for Lutherans28,850$553.0K0.00%−768−2.6%Reduced
Jump Financial, LLC27,463$526.2K0.02%+10,829+65.1%Added
Texas Permanent School Fund27,411$525.2K0.00%+1,578+6.1%Added
Great West Life Assurance Co27,113$519.0K0.00%−2,487−8.4%Reduced
Quest Partners LLC25,832$494.9K0.11%+25,832New
Jane Street Group, LLC24,751$474.2K0.00%+9,611+63.5%Added
AQR Capital Management LLC24,655$472.4K0.00%+11,604+88.9%Added
Prelude Capital Management, LLC23,340$447.2K0.04%+6,136+35.7%Added
Susquehanna International Group, LLP22,508$431.3K0.00%−24,014−51.6%Reduced
XTX Topco Ltd20,873$399.9K0.09%+20,873New
Quadrature Capital Ltd20,494$392.9K0.01%+20,494New
HSBC Holdings PLC20,587$392.0K0.00%−1,915−8.5%Reduced
Exchange Traded Concepts, LLC20,134$385.8K0.01%+1,249+6.6%Added
Dynamic Technology Lab Private Ltd20,068$385.0K0.04%+20,068New
DGS Capital Management, LLC20,035$383.9K0.15%+6,603+49.2%Added
State of Alaska, Department of Revenue19,918$381.0K0.00%−240−1.2%Reduced
Illinois Municipal Retirement Fund19,012$364.0K0.01%−269−1.4%Reduced
Ensign Peak Advisors, Inc18,970$363.5K0.00%00.0%Unchanged
Panagora Asset Management Inc18,681$357.9K0.00%−13,931−42.7%Reduced
Robeco Institutional Asset Management B.V.18,071$346.2K0.00%−2,351−11.5%Reduced
Summit Global Investments17,928$344.0K0.02%+17,928New
American International Group, Inc.17,717$339.5K0.00%−149−0.8%Reduced