Acadian Asset Management (AAMI) Institutional Ownership $47.45 +2.11 (+4.65%) As of 03:20 PM Eastern Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesOwnershipSEC FilingsTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Acadian Asset Management (NYSE:AAMI)CurrentInstitutional OwnershipPercentage98.69%Number ofInstitutional Buyers(last 12 months)47TotalInstitutional Inflows(last 12 months)$209.79MNumber ofInstitutional Sellers(last 12 months)0 Get AAMI Insider Trade Alerts Want to know when executives and insiders are buying or selling Acadian Asset Management stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data AAMI Institutional Buying and Selling by Quarter Acadian Asset Management Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/12/2025Hillsdale Investment Management Inc.60,120$2.12M0.1%N/A0.168% 8/12/2025JPMorgan Chase & Co.197,609$6.96M0.0%N/A0.552% 8/12/2025Magnetar Financial LLC9,288$327K0.0%N/A0.026% 8/12/2025Swiss National Bank53,126$1.87M0.0%N/A0.148% 8/12/2025Ensign Peak Advisors Inc12,459$439K0.0%N/A0.035% 8/11/2025LSV Asset Management77,800$2.74M0.0%N/A0.217% 8/11/2025ANB Bank8,425$297K0.1%N/A0.024% 8/8/2025 Intech Investment Management LLC11,348$400K0.0%N/A0.032% 8/8/2025 Creative Planning23,185$817K0.0%N/A0.065% 8/8/2025 Commonwealth of Pennsylvania Public School Empls Retrmt SYS6,893$243K0.0%N/A0.019% Get the Latest News and Ratings for AAMI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Acadian Asset Management and its competitors with MarketBeat's FREE daily newsletter. 8/8/2025 Impax Asset Management Group plc1,000,000$35.24M0.2%N/A2.794% 8/8/2025 Police & Firemen s Retirement System of New Jersey6,692$236K0.0%N/A0.019% 8/8/2025 Geode Capital Management LLC627,543$22.12M0.0%N/A1.753% 8/8/2025 PNC Financial Services Group Inc.2,915$103K0.0%N/A0.008% 8/8/2025 Jupiter Asset Management Ltd.67,135$2.37M0.0%N/A0.188% 8/7/2025 Boston Partners49,084$1.73M0.0%N/A0.137% 8/7/2025 ProShare Advisors LLC6,186$218K0.0%N/A0.017% 8/7/2025 Connor Clark & Lunn Investment Management Ltd.37,161$1.31M0.0%N/A0.104% 8/5/2025 Bank of New York Mellon Corp225,233$7.94M0.0%N/A0.629% 8/5/2025 Bank of Montreal Can6,824$240K0.0%N/A0.019% 8/4/2025 Amalgamated Bank7,662$270K0.0%N/A0.021% 8/4/2025 Keybank National Association OH15,319$540K0.0%N/A0.043% 8/1/2025 Jennison Associates LLC2,091,091$73.69M0.0%N/A5.843% 8/1/2025 Teacher Retirement System of Texas62,682$2.21M0.0%N/A0.175% 7/31/2025 Linden Thomas Advisory Services LLC27,844$981K0.1%N/A0.078% 7/31/2025 Kestrel Investment Management Corp65,381$2.30M1.4%N/A0.183% 7/31/2025 AlphaQuest LLC12,242$431K0.0%N/A0.034% 7/31/2025 R Squared Ltd6,178$218K0.1%N/A0.017% 7/30/2025 First Citizens Bank & Trust Co.11,735$414K0.0%N/A0.033% 7/29/2025 William Blair Investment Management LLC712,082$25.09M0.1%N/A1.990% 7/28/2025 Allianz Asset Management GmbH33,161$1.17M0.0%N/A0.093% 7/28/2025 New York State Teachers Retirement System14,358$506K0.0%N/A0.040% 7/25/2025 Envestnet Portfolio Solutions Inc.11,307$398K0.0%N/A0.032% 7/25/2025 Yousif Capital Management LLC10,219$360K0.0%N/A0.029% 7/25/2025 Allspring Global Investments Holdings LLC210,415$7.51M0.0%N/A0.588% 7/25/2025 CWM LLC1,560$55K0.0%N/A0.004% 7/24/2025 Blue Trust Inc.1,606$57K0.0%N/A0.004% 7/23/2025 Maryland State Retirement & Pension System7,890$278K0.0%N/A0.022% 7/23/2025 KLP Kapitalforvaltning AS18,032$635K0.0%N/A0.050% 7/18/2025 Institute for Wealth Management LLC.8,577$302K0.0%N/A0.024% When the levee breaks (Ad)The U.S. Treasury just confirmed it plans to borrow $1.01 trillion this quarter—nearly double what was projected. 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More importantly, he reveals three moves you can make now to protect and potentially grow your wealth before the levee breaks.Click here to watch the urgent broadcast and get ahead of what’s coming.7/17/2025 SummerHaven Investment Management LLC35,404$1.25M0.8%N/A0.099% 7/16/2025 Signaturefd LLC710$25K0.0%N/A0.002% 7/16/2025 Kendall Capital Management10,130$357K0.1%N/A0.028% 7/16/2025 State of Alaska Department of Revenue15,990$562K0.0%N/A0.045% 7/15/2025 Public Employees Retirement System of Ohio1,250$44K0.0%N/A0.003% 7/14/2025 GAMMA Investing LLC1,060$37K0.0%N/A0.003% 7/10/2025 Exchange Traded Concepts LLC53,397$1.88M0.0%N/A0.149% (Data available from 1/1/2016 forward) AAMI Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of AAMI shares? During the previous two years, 47 institutional investors and hedge funds held shares of Acadian Asset Management. The most heavily invested institutionals were Jennison Associates LLC ($73.69M), Impax Asset Management Group plc ($35.24M), William Blair Investment Management LLC ($25.09M), Geode Capital Management LLC ($22.12M), Bank of New York Mellon Corp ($7.94M), Allspring Global Investments Holdings LLC ($7.51M), and JPMorgan Chase & Co. ($6.96M).Learn more on Acadian Asset Management's institutional investors. What percentage of Acadian Asset Management's stock is owned by institutional investors? 98.69% of Acadian Asset Management's stock is owned by institutional investors. Learn more on AAMI's institutional investor holdings. Which institutional investors have been buying Acadian Asset Management's stock? Of the 47 institutional investors that purchased Acadian Asset Management's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Jennison Associates LLC ($2.09M), Impax Asset Management Group plc ($1M), William Blair Investment Management LLC ($712.08K), Geode Capital Management LLC ($627.54K), Bank of New York Mellon Corp ($225.23K), Allspring Global Investments Holdings LLC ($210.42K), and JPMorgan Chase & Co. ($197.61K). How much institutional buying is happening at Acadian Asset Management? Institutional investors have bought a total of 5,936,308 shares in the last 24 months. This purchase volume represents approximately $209.79M in transactions. 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