As of November 6, 2026, Acadian Asset Management Inc. is a publicly traded company (NYSE: AAMI). The largest holder reporting an active stake on Schedule 13D is Paulson & Co. Inc., at 16.4%. No bankruptcy or receivership appears in its SEC Form 8-K filings (Schedule 13D/A, June 22, 2026).
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Is Acadian Asset Management Inc. a real, registered company?
- Acadian Asset Management Inc. files with the SEC under CIK 1748824 (its SEC filings).
- Its shares are listed under the ticker AAMI on NYSE (SEC company record).
- Incorporated in Delaware; business address in Boston, Massachusetts, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Acadian Asset Management Inc. in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Paulson & Co. Inc. (filed 2026-06-22).
Who are Acadian Asset Management Inc.'s owners and officers?
Acadian Asset Management Inc.: incorporated in Delaware; business address in Boston, Massachusetts; industry Investment Advice (Schedule 13G/A, 2026-08-10).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-08-10 | Prudential Financial Inc | 4.5% |
| Schedule 13G/A, 2026-08-03 | Jennison Associates LLC | 4.3% |
| Schedule 13D/A, 2026-06-22 | Paulson & Co. Inc. | 16.4% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
| Schedule 13G, 2026-01-30 | Jennison Associates LLC | 5.4% |
| Schedule 13G/A, 2025-11-14 | Empyrean Capital Partners, LP | 4.3% |
| Schedule 13G/A, 2025-11-05 | Jennison Associates LLC | 4.8% |
| Schedule 13D/A, 2025-09-05 | Paulson & Co. Inc. | 21.6% |
| Schedule 13G, 2025-08-06 | Prudential Financial Inc | 5.9% |
| Schedule 13G, 2025-08-06 | Jennison Associates LLC | 5.8% |
Questions about who owns Acadian Asset Management Inc.
Who owns Acadian Asset Management Inc.?
On this page, one holder's latest ownership filing reports 5% or more of Acadian Asset Management Inc.: Paulson & Co. Inc. (16.4%, Schedule 13D/A, filed 2026-06-22).
When did Paulson & Co. Inc. buy into Acadian Asset Management Inc.?
The filings give report dates, not purchase dates. The earliest filing from Paulson & Co. Inc. on this page is the Schedule 13D/A, filed 2025-09-05, reporting 21.6%; its latest, Schedule 13D/A filed 2026-06-22, reports 16.4%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 10 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Which insiders own Acadian Asset Management Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- Paulson & Co. Inc., a 10% owner: 5,843,282 shares (16.6% of shares outstanding), held indirectly through a managed funds (Form 4, 2026-06-22).
- , the chief executive and president: 371,726 shares (1.1% of shares outstanding) (Form 4, 2024-10-02).
- , the chief legal officer and cao: 73,863 shares (0.21% of shares outstanding) (Form 4, 2026-05-05).
- , a director: 40,670 shares (0.12% of shares outstanding), 3,286 held directly and 37,384 indirectly (Form 4, 2026-05-18).
- , a director: 39,057 shares (0.11% of shares outstanding), 28,797 held directly and 10,260 indirectly (Form 4, 2026-06-15).
Shares outstanding: 35,302,780 as of 2026-11-03, from the company's latest SEC cover page.
How much has Acadian Asset Management Inc. raised?
No fundraising or offering filing from Acadian Asset Management Inc. is on file with us.
Keep reading
More on Acadian Asset Management Inc. and the records around it.
Companies that share a holder
- Paulson & Co. Inc. also filed stake reports on 5 other companies: Madrigal Pharmaceuticals, Inc. (May 2026), INTERNATIONAL TOWER HILL MINES LTD (Apr 2026), Bausch Health Companies Inc. (Aug 2025)
- Empyrean Capital Partners, LP also filed stake reports on 9 other companies: Churchill Capital Corp XI (Aug 2026), Churchill Capital Corp. XII (Aug 2026), Altice USA, Inc. (Aug 2026)
- Jennison Associates LLC also filed stake reports on 14 other companies: LENDINGTREE INC (Oct 2026), PALVELLA THERAPEUTICS INC (Oct 2026), REZOLUTE INC (Oct 2026)
Related pages
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