Welcome to our dedicated page for Acadian Asset Management SEC filings (Ticker: AAMI), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Acadian Asset Management Inc. (AAMI) filings document the reporting framework for an NYSE-listed asset-management holding company and its majority-owned operating subsidiary. Form 8-K reports furnish financial and operating results, earnings presentation exhibits and material events tied to credit agreements, refinancing activity and senior-note redemption.
Proxy materials describe annual stockholder meeting matters, governance disclosures and executive compensation information. The filings also identify the company's registered common stock on the New York Stock Exchange and, where applicable in historical capital-structure disclosures, its 4.800% notes due 2026.
Acadian Asset Management Inc. reported that investment funds managed by Paulson & Co. Inc. executed an open-market sale of 1,900,000 shares of common stock at $77.25 per share. Following the transaction, the Funds indirectly hold 5,843,282 shares, with Paulson and John Paulson disclaiming beneficial ownership beyond what may be deemed indirect.
Paulson & Co. Inc. filed Amendment No. 7 to its Schedule 13D on June 22, 2026 regarding Acadian Asset Management Inc. common stock. Paulson reports beneficial ownership of 5,843,282 shares, representing 16.4% of the outstanding common stock, based on 35,628,988 shares outstanding as of May 5, 2026.
As of this amendment, Paulson has sole voting and dispositive power over these shares. On June 17, 2026, the reporting person sold 1,900,000 shares in a block trade at $77.25 per share. The filing notes that the underlying pecuniary interest in all reported securities is owned by the funds Paulson advises, and Paulson disclaims beneficial ownership except for Section 13(d) purposes.
AAMI filed a Form 144 notice proposing the sale of 1,900,000 shares of Common Stock. The filing lists the security as traded on the NYSE.
Shares outstanding are shown as 157,168,000 as of 06/17/2026. The record notes a prior share exchange consummated on 07/12/2019.
Acadian Asset Management Inc. director Barbara Trebbi reported routine equity compensation and non-market transfers. On June 12, 2026, she was granted 1,288 restricted stock units, each representing one share of common stock, under the Acadian Asset Management Inc. 2026 Equity Incentive Plan. These units vest on the earlier of June 12, 2027 and the date of the 2027 annual meeting of stockholders.
On June 15, 2026, she recorded two bona fide gifts of common stock totaling 20,520 shares: 10,260 shares related to the Landry Trebbi 2012 Family Grantor Trust for the benefit of her child, and 10,260 shares from her direct holdings. After these transactions, she held 28,797 common shares directly and 10,260 shares indirectly through the trust.
Chersi Robert J reported acquisition or exercise transactions in this Form 4 filing.
Acadian Asset Management Inc. director Robert J. Chersi received a grant of 1,288 restricted stock units on June 12, 2026 as equity compensation. Each unit represents one share of common stock and vests on the earlier of June 12, 2027 or the 2027 annual meeting of stockholders. Following this grant, he holds 1,288 restricted stock units directly.
Paulson John reported acquisition or exercise transactions in this Form 4 filing.
Acadian Asset Management Inc. director and ten percent owner John Paulson received a grant of 2,253 restricted stock units as equity compensation. Each unit represents one share of common stock and was issued under the company’s 2026 Equity Incentive Plan. The RSUs vest on the earlier of June 12, 2027 or the date of Acadian’s 2027 annual meeting of stockholders, aligning his compensation with future company performance.
Acadian Asset Management Inc. reported results from its 2026 Annual Meeting of Stockholders, where stockholders approved the Company’s 2026 Equity Incentive Plan. The plan authorizes up to 4,562,064 shares of common stock for future equity awards to employees and directors.
As of April 20, 2026, there were 35,628,988 common shares outstanding, with 32,712,971 shares represented at the meeting, establishing a quorum. Stockholders elected all director nominees, ratified KPMG LLP as independent auditor for 2026, approved executive compensation on an advisory basis, and approved the 2026 Equity Incentive Plan.
Acadian Asset Management Inc. filed a Form 8-K to furnish materials from its 2026 Investor Forum and announced preliminary assets under management of approximately $219 billion as of April 30, 2026. Management highlighted strong organic growth, with AUM rising from $104 billion in 2023 to $196 billion by 1Q26 and nine consecutive quarters of positive net client flows totaling $50 billion.
The company reported ENI revenue growth from $423.6 million in 2023 to $549.1 million in 2025 and ENI operating margin expansion from 28.4% to 35.5%, with a near-term aspiration of 38–40%. Balance sheet leverage decreased, net leverage fell to 0.7x by 1Q26, and Acadian returned $1.4 billion of excess capital since 2019 while reducing average diluted shares outstanding by 58%.
Acadian Asset Management Inc. director and ten percent owner John Paulson exercised 5,750 restricted stock units into 5,750 shares of common stock on May 14, 2026. The units carried a conversion price of $0.00 per share. Following this equity award vesting and conversion, he directly holds 29,510 common shares.
Acadian Asset Management Inc. director Robert J. Chersi reported routine equity compensation activity and updated holdings. On May 14, 2026, he exercised 3,286 restricted stock units into 3,286 shares of common stock at a stated price of $0.00 per share, leaving him with 3,286 shares held directly.
He is also reported as having indirect ownership of 37,384 shares of common stock through the Robert J. Chersi 2012 Family Trust, which holds shares for the benefit of his children and has his spouse as trustee. The filing shows no open‑market purchases or sales and no remaining derivative position from these restricted stock units.