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Acadian Asset Management (AAMI) Institutional Ownership

Acadian Asset Management logo
$68.70 -2.52 (-3.54%)
Closing price 05/15/2026 03:59 PM Eastern
Extended Trading
$68.14 -0.56 (-0.81%)
As of 05/15/2026 07:58 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Acadian Asset Management (NYSE:AAMI)

Current
Institutional Ownership
Percentage
98.69%
Number of
Institutional Buyers
(last 12 months)
176
Total
Institutional Inflows
(last 12 months)
$920.27M
Number of
Institutional Sellers
(last 12 months)
90
Total
Institutional Outflows
(last 12 months)
$159.29M
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AAMI Institutional Buying and Selling by Quarter

Acadian Asset Management Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/15/2026North Reef Capital Management LP220,239$11.99M0.4%-50.4%0.618%
5/15/2026 Cannell & Spears LLC84,513$4.42M0.1%+42.8%0.237%
5/14/2026 Healthcare of Ontario Pension Plan Trust Fund21,300$1.16M0.0%-63.1%0.060%
5/14/2026 Renaissance Technologies LLC60,544$3.30M0.0%-38.4%0.170%
5/14/2026 Morningstar Investment Management LLC6,188$337K0.0%N/A0.017%
5/14/2026 Arrowstreet Capital Limited Partnership241,200$13.13M0.0%-53.1%0.677%
5/14/2026 Sei Investments Co.26,930$1.47M0.0%+58.5%0.076%
5/14/2026 Lido Advisors LLC11,904$648K0.0%+33.4%0.033%
5/14/2026 Walleye Capital LLC19,590$1.07M0.0%N/A0.055%
5/14/2026 State of Wyoming10,389$565K0.1%+12.0%0.029%
5/13/2026 Cetera Investment Advisers4,433$241K0.0%N/A0.012%
5/13/2026 First Citizens Bank & Trust Co.10,682$581K0.0%-4.1%0.030%
5/13/2026 First Trust Advisors LP194,170$10.57M0.0%+14.7%0.545%
5/8/2026 PNC Financial Services Group Inc.3,009$164K0.0%+12.5%0.008%
5/8/2026 Summit Global Investments17,657$961K0.1%-17.2%0.050%
5/7/2026 Dimensional Fund Advisors LP904,549$49.22M0.0%-0.5%2.539%
5/7/2026 ANB Bank8,588$467K0.2%+5.0%0.024%
5/6/2026 Jennison Associates LLC2,022,207$110.05M0.1%+5.9%5.676%
5/6/2026 Allspring Global Investments Holdings LLC419,239$23.56M0.0%+13.9%1.177%
5/5/2026 Kestrel Investment Management Corp62,381$3.40M2.0%-1.3%0.175%
5/5/2026 Bank of New York Mellon Corp196,225$10.68M0.0%-3.0%0.551%
5/5/2026 Illinois Municipal Retirement Fund14,319$779K0.0%+6.7%0.040%
5/5/2026 Maryland State Retirement & Pension System3,810$207K0.0%N/A0.011%
5/4/2026 Principal Financial Group Inc.204,527$11.13M0.0%+13.9%0.573%
4/30/2026 Hsbc Holdings PLC12,236$659K0.0%-5.4%0.034%
4/27/2026 New York State Teachers Retirement System9,939$541K0.0%-7.8%0.028%
4/27/2026 Y Intercept Hong Kong Ltd22,931$1.25M0.0%+70.5%0.064%
4/25/2026 Strs Ohio14,800$805K0.0%-5.7%0.041%
4/25/2026 Boston Trust Walden Corp281,604$15.33M0.1%N/A0.788%
4/25/2026 Keybank National Association OH11,838$644K0.0%-4.9%0.033%
4/21/2026 Louisiana State Employees Retirement System11,700$637K0.0%N/A0.033%
4/20/2026 Assenagon Asset Management S.A.45,836$2.49M0.0%N/A0.128%
4/16/2026 SG Americas Securities LLC603,683$32.85M0.0%+67.9%1.690%
3/20/2026 Hsbc Holdings PLC12,938$607K0.0%-51.1%0.036%
2/24/2026 DGS Capital Management LLC29,386$1.38M0.2%+8.7%0.082%
2/18/2026 Summit Global Investments21,320$1.00M0.1%N/A0.060%
2/18/2026Vident Advisory LLC5,495$258K0.0%-21.5%0.015%
2/18/2026State of Tennessee Department of Treasury6,069$285K0.0%-73.9%0.017%
2/18/2026XTX Topco Ltd20,643$970K0.0%+3.6%0.058%
2/18/2026 Zacks Investment Management38,749$1.82M0.0%-8.2%0.109%
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2/18/2026VARCOV Co.6,401$301K0.1%N/A0.018%
2/18/2026Voloridge Investment Management LLC21,522$1.01M0.0%-73.0%0.060%
2/18/2026Tudor Investment Corp ET AL101,163$4.76M0.0%-55.2%0.283%
2/18/2026Susquehanna Fundamental Investments LLC14,508$682K0.0%+3.2%0.041%
2/18/2026 Polymer Capital Management US LLC7,871$370K0.0%+6.2%0.022%
2/18/2026Millennium Management LLC88,936$4.18M0.0%-56.0%0.249%
2/18/2026Man Group plc138,470$6.51M0.0%+8.9%0.388%
2/18/2026Janus Henderson Group PLC12,433$585K0.0%-80.8%0.035%
2/18/2026Empyrean Capital Partners LP1,404,562$66.01M2.3%-8.9%3.933%
2/18/2026Engineers Gate Manager LP50,060$2.35M0.0%-10.7%0.140%
2/18/2026Brightlight Capital Management LP107,900$5.07M3.6%-28.1%0.302%
2/17/2026Guggenheim Capital LLC25,499$1.20M0.0%+424.5%0.071%
2/17/2026AQR Capital Management LLC92,439$4.35M0.0%+20.7%0.259%
2/17/2026North Reef Capital Management LP443,922$20.86M0.8%-13.2%1.243%
2/17/2026Trexquant Investment LP9,504$447K0.0%-79.3%0.027%
2/17/2026 Jump Financial LLC5,206$245K0.0%N/A0.015%
2/17/2026Price T Rowe Associates Inc. MD15,667$737K0.0%+9.8%0.044%
2/17/2026 Public Employees Retirement System of Ohio775$36K0.0%-20.3%0.002%
2/17/2026California State Teachers Retirement System27,270$1.28M0.0%+9.3%0.076%
2/17/2026 Russell Investments Group Ltd.32,131$1.51M0.0%-4.2%0.090%
2/17/2026State of Wisconsin Investment Board41,130$1.93M0.0%+8.2%0.115%
2/17/2026 ExodusPoint Capital Management LP51,201$2.41M0.0%+59.2%0.143%
2/17/2026Royal Bank of Canada2,069$97K0.0%-92.7%0.006%
2/17/2026Mangrove Partners IM LLC8,790$413K0.0%N/A0.025%
2/16/2026Squarepoint Ops LLC20,325$955K0.0%-47.0%0.057%
2/16/2026Verition Fund Management LLC7,493$352K0.0%-15.9%0.021%
2/16/2026 Panagora Asset Management Inc.23,429$1.10M0.0%+56.7%0.066%
2/16/2026 MML Investors Services LLC19,456$914K0.0%+51.4%0.054%
2/16/2026 Mariner LLC8,495$399K0.0%+29.8%0.024%
2/16/2026 Healthcare of Ontario Pension Plan Trust Fund57,770$2.72M0.0%N/A0.162%
2/16/2026Barclays PLC55,444$2.61M0.0%-3.5%0.155%
2/16/2026 Brant Point Investment Management LLC30,000$1.41M0.2%-50.0%0.084%
2/13/2026 Kestra Advisory Services LLC2,524$119K0.0%N/A0.007%
2/13/2026Transamerica Financial Advisors LLC802$38K0.0%+380.2%0.002%
2/13/2026The Manufacturers Life Insurance Company 12,201$573K0.0%-5.3%0.034%
2/13/2026Soros Fund Management LLC737,367$34.66M0.4%+61.3%2.065%
2/13/2026 CANADA LIFE ASSURANCE Co24,069$1.13M0.0%+4.1%0.067%
2/13/2026Jacobs Levy Equity Management Inc.419,346$19.71M0.1%+0.7%1.174%
2/13/2026 Public Sector Pension Investment Board123,049$5.78M0.0%+19.0%0.345%
2/13/2026 First Trust Advisors LP169,315$7.96M0.0%+3,422.3%0.474%
2/13/2026Charles Schwab Investment Management Inc.480,306$22.57M0.0%+7.0%1.345%
2/13/2026 Police & Firemen s Retirement System of New Jersey6,980$328K0.0%-9.5%0.020%
2/13/2026State Street Corp1,206,244$56.69M0.0%+0.5%3.378%
2/13/2026 Boston Partners55,124$2.59M0.0%-1.9%0.154%
2/13/2026 Martingale Asset Management L P22,524$1.06M0.0%-29.0%0.063%
2/13/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC66,621$3.13M0.0%+1.4%0.187%
2/13/2026 Wells Fargo & Company MN29,445$1.38M0.0%+78.2%0.082%
2/12/2026 HRT Financial LP32,395$1.52M0.0%+22.1%0.091%
2/12/2026 MetLife Investment Management LLC15,182$714K0.0%-6.9%0.043%
2/12/2026 Renaissance Technologies LLC98,328$4.62M0.0%+48.8%0.275%
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2/12/2026 Dimensional Fund Advisors LP909,213$42.73M0.0%-4.6%2.546%
2/12/2026 EntryPoint Capital LLC6,097$287K0.1%N/A0.017%
2/12/2026 Federated Hermes Inc.558,267$26.24M0.0%+62.9%1.563%
2/12/2026 Ensign Peak Advisors Inc3,059$144K0.0%-57.0%0.009%
2/12/2026 Swiss National Bank56,526$2.66M0.0%+8.4%0.158%
2/12/2026 Nuveen LLC652,144$30.65M0.0%+1.8%1.826%
2/11/2026 Illinois Municipal Retirement Fund13,414$630K0.0%-13.1%0.038%
2/11/2026 Deutsche Bank AG23,011$1.08M0.0%-85.0%0.064%
2/11/2026 GW&K Investment Management LLC413,093$19.42M0.2%+7.7%1.157%
2/11/2026Cerity Partners LLC5,753$270K0.0%-20.6%0.016%


AAMI Institutional Ownership - Frequently Asked Questions

During the previous two years, 199 institutional investors and hedge funds held shares of Acadian Asset Management. The most heavily invested institutionals were Paulson & CO. Inc. ($315.40M), Jennison Associates LLC ($110.05M), Vanguard Group Inc. ($109.76M), Empyrean Capital Partners LP ($66.01M), State Street Corp ($56.69M), Dimensional Fund Advisors LP ($49.22M), and Impax Asset Management Group plc ($39.74M).Learn more on Acadian Asset Management's institutional investors.

98.69% of Acadian Asset Management's stock is owned by institutional investors. Learn more on AAMI's institutional investor holdings.

Of the 176 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: Paulson & CO. Inc. ($8.95M), Jennison Associates LLC ($2.38M), Impax Asset Management Group plc ($1.08M), William Blair Investment Management LLC ($712.08K), Soros Fund Management LLC ($695.83K), Geode Capital Management LLC ($656.63K), and Arrowstreet Capital Limited Partnership ($619.34K).

Institutional investors have bought a total of 24,005,660 shares in the last 24 months. This purchase volume represents approximately $920.27M in transactions.

Of the 90 institutional investors that sold Acadian Asset Management's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: William Blair Investment Management LLC ($457.00K), North Reef Capital Management LP ($291.21K), Arrowstreet Capital Limited Partnership ($273.26K), Impax Asset Management Group plc ($234.52K), JPMorgan Chase & Co. ($198.07K), Victory Capital Management Inc. ($177.20K), and Empyrean Capital Partners LP ($136.55K).

Institutional investors have sold a total of 3,258,023 shares in the last 24 months. This volume of shares sold represents approximately $159.29M in transactions.


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This page (NYSE:AAMI) was last updated on 5/16/2026 by MarketBeat.com Staff.
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