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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.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Acadian Asset Management Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
1 filing
1 insider, $2.24M in total
Insiders trading
1
Net value
−$2.24M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Acadian Asset Management Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Acadian Asset Management Inc.
NameTitleLast reported holdingLast filingFilings, past year
Wiater ChristinaPAO0Aug 5, 20262
Paulson & Co. Inc.10% Owner5,843,282IndirectJun 22, 20261
Paulson JohnDirector, 10% Owner29,510Jun 15, 20262
Chersi Robert JDirector3,286Jun 15, 20263
Trebbi BarbaraDirector10,260IndirectJun 15, 20263
Hart Richard JonathanCLO and CAO73,863May 5, 20262
Young KellyPresident and CEO–Feb 18, 20261
Hynes ScottChief Financial Officer–Feb 18, 20261
Rana SurenPresident and CEO371,726Oct 2, 20240

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 5, 2026 (view filing)4:07 PM ETAug 3-42 daysWiater ChristinaPAOSSale−25.6K$87.26−$2.24M−100.0%0 after4 lots
Jun 22, 2026 (view filing)Jun 175 daysPaulson & Co. Inc.10% OwnerSSaleCommon Stock, par value $0.001−1.90M$77.25−$146.8M−24.5%5.84M after
May 5, 2026 (view filing)May 41 dayHart Richard JonathanCLO and CAOSSale−100.0K$66.97−$6.70M−57.5%73.9K after2 lots
Feb 12, 2026 (view filing)Feb 111 dayChersi Robert JDirectorSSale−28.8K$51.30−$1.48M−43.5%37.4K after
Feb 12, 2026 (view filing)Feb 102 daysTrebbi BarbaraDirectorSSale−9.69K$51.22−$496.4K−21.3%35.8K after
Sep 5, 2025 (view filing)Sep 32 daysPaulson & Co. Inc.10% OwnerSSaleCommon Stock, par value $0.001−1.21M$47.69−$57.6M−13.5%7.74M after
Nov 13, 2024 (view filing)Nov 112 daysHart Richard JonathanChief Legal OfficerSSale−70.0K$28.52−$2.00M−31.0%155.8K after
Feb 15, 2024 (view filing)Feb 141 dayRana SurenPresident and CEOSSale−110.0K$20.74−$2.28M−45.6%131.0K after
Feb 16, 2022 (view filing)Feb 15-161 dayHart Richard JonathanChief Legal OfficerSSale−2.37K$24.77−$58.8K−4.3%52.8K after3 lots
Feb 16, 2022 (view filing)Feb 151 dayWiater ChristinaPFO / PAOSSale−237$24.87−$5.90K−11.5%1.82K after2 lots
Feb 10, 2022 (view filing)Feb 82 daysRana SurenPresident and CEOSSale−120.0K$24.05−$2.89M−47.8%131.0K after
Jan 14, 2022 (view filing)Dec 15-31, 202130 daysRana SurenPresident and CEOSSale−270.2K$26.38−$7.13M−67.4%131.0K afterAmended3 lots
Dec 22, 2021 (view filing)Dec 211 dayHart Richard JonathanChief Legal OfficerSSale−57$24.91−$1.42K−0.1%47.2K after
Dec 22, 2021 (view filing)Dec 211 dayWiater ChristinaPFO / PAOSSale−38$24.91−$946.58−2.7%1.38K after
Dec 22, 2021 (view filing)Dec 211 dayPaulson & Co. Inc.10% OwnerSSaleCommon Stock, par value $0.001 per share−790.0K$30.70−$24.3M−8.1%8.95M after2 lots
Dec 10, 2021 (view filing)Dec 82 daysPaulson & Co. Inc.10% OwnerSSaleCommon Stock, par value $0.001 per share−10.3M$31.50−$323.2M−51.3%9.74M after