Acadian Asset Management Inc. SEC filings AAMI
Acadian Asset Management Inc. has 266 filings in SEC EDGAR's recent list, going back to Mar 12, 2019. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 5, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2026 | Oct 29, 2026 |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2026 | Jul 30, 2026 |
| S-8 POS | Filing | Jun 11, 2026 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 11, 2026 | Jun 11, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 19, 2026 | May 19, 2026 |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2026 | Apr 30, 2026 |
| ARS | Annual report to shareholders | Apr 29, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 29, 2026 | — |
| DEF 14A | Proxy statement | Apr 29, 2026 | Jun 11, 2026 |
| 10-K | Annual report | Feb 27, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 5, 2026 | Feb 5, 2026 |
| 8-K |
Current report
Other events
|
Nov 25, 2025 | Nov 25, 2025 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Material agreement, Results of operations, New debt, Other events
|
Oct 30, 2025 | Oct 28, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2025 | Jul 31, 2025 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
May 16, 2025 | May 13, 2025 |
| 10-Q | Quarterly report | May 8, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 1, 2025 | May 1, 2025 |
| ARS | Annual report to shareholders | Mar 31, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 31, 2025 | — |
| DEF 14A | Proxy statement | Mar 31, 2025 | May 13, 2025 |
| 10-K | Annual report | Feb 27, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2025 | Feb 6, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jan 6, 2025 | Dec 31, 2024 |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2024 | Oct 31, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Oct 1, 2024 | Sep 30, 2024 |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2024 | Aug 1, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2024 | Jun 6, 2024 |
| 10-Q | Quarterly report | May 9, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 2, 2024 | May 2, 2024 |
| ARS | Annual report to shareholders | Apr 25, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 25, 2024 | — |
| DEF 14A | Proxy statement | Apr 25, 2024 | Jun 6, 2024 |
| 10-K | Annual report | Feb 28, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 1, 2024 | Feb 1, 2024 |
| 8-K |
Current report
Other events
|
Dec 20, 2023 | Dec 18, 2023 |
| 10-Q | Quarterly report | Nov 8, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2023 | Nov 2, 2023 |
| 10-Q | Quarterly report | Aug 8, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2023 | Aug 3, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 12, 2023 | Jun 7, 2023 |
| 10-Q | Quarterly report | May 8, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 4, 2023 | May 4, 2023 |
| ARS | Annual report to shareholders | Apr 26, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 26, 2023 | — |
| DEF 14A | Proxy statement | Apr 26, 2023 | — |
| 10-K | Annual report | Feb 28, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 2, 2023 | Feb 2, 2023 |
| 10-Q | Quarterly report | Nov 4, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2022 | Nov 3, 2022 |
| 10-Q | Quarterly report | Aug 5, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2022 | Jul 28, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 8, 2022 | Jun 7, 2022 |
| 10-Q | Quarterly report | May 9, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 5, 2022 | May 5, 2022 |
| DEFA14A | Additional proxy material | Apr 19, 2022 | — |
| DEF 14A | Proxy statement | Apr 19, 2022 | Jun 7, 2022 |
| 10-K | Annual report | Feb 28, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 3, 2022 | Feb 3, 2022 |
| 25-NSE | Delisting notice | Jan 20, 2022 | — |
| 8-K |
Current report
Other events
|
Dec 17, 2021 | Dec 17, 2021 |
| SC TO-I/A | Filing | Dec 9, 2021 | — |
| SC TO-I/A | Filing | Dec 7, 2021 | — |
| SC TO-I/A | Filing | Nov 8, 2021 | — |
| 10-Q | Quarterly report | Nov 5, 2021 | Sep 30, 2021 |
| SC TO-I | Filing | Nov 4, 2021 | — |
| SC TO-C | Filing | Nov 4, 2021 | — |
| 8-K |
Current report
Material agreement, Other events
|
Nov 4, 2021 | Nov 3, 2021 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2021 | Oct 28, 2021 |
| 10-Q | Quarterly report | Aug 9, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2021 | Jul 29, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 25, 2021 | Jun 23, 2021 |
| 8-K |
Current report
Acquisition or sale of assets
|
Jun 4, 2021 | Jun 2, 2021 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
May 10, 2021 | May 9, 2021 |
| 10-Q | Quarterly report | May 7, 2021 | Mar 31, 2021 |
| DEFA14A | Additional proxy material | Apr 30, 2021 | — |
| DEF 14A | Proxy statement | Apr 30, 2021 | Jun 23, 2021 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2021 | Apr 29, 2021 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Mar 31, 2021 | Mar 30, 2021 |
| 10-K | Annual report | Mar 1, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 4, 2021 | Feb 4, 2021 |
| UPLOAD | Letter from the SEC | Dec 17, 2020 | — |
| CORRESP | Letter to the SEC | Dec 11, 2020 | — |
| UPLOAD | Letter from the SEC | Dec 1, 2020 | — |
| 8-K |
Current report
Acquisition or sale of assets
|
Nov 17, 2020 | Nov 17, 2020 |
| 10-Q | Quarterly report | Nov 6, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2020 | Oct 29, 2020 |
| 8-K |
Current report
Material agreement
|
Sep 4, 2020 | Sep 3, 2020 |
| 10-Q | Quarterly report | Aug 10, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2020 | Aug 6, 2020 |
| 8-K |
Current report
Material agreement, Results of operations, Regulation FD disclosure
|
Jul 27, 2020 | Jul 24, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jun 26, 2020 | Jun 24, 2020 |
| DEFA14A | Additional proxy material | May 28, 2020 | — |
| 10-Q | Quarterly report | May 11, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 7, 2020 | May 7, 2020 |
| DEFA14A | Additional proxy material | Apr 29, 2020 | — |
| DEF 14A | Proxy statement | Apr 29, 2020 | Jun 24, 2020 |
| 8-K |
Current report
Officer or director change
|
Apr 16, 2020 | Apr 15, 2020 |
| 8-K |
Current report
Officer or director change
|
Mar 6, 2020 | Mar 2, 2020 |
| 10-K | Annual report | Mar 2, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2020 | Feb 6, 2020 |
| 8-K |
Current report
Other events
|
Dec 16, 2019 | Dec 16, 2019 |
| 10-Q | Quarterly report | Nov 12, 2019 | Sep 30, 2019 |
| S-3ASR | Automatic shelf registration | Nov 12, 2019 | — |
| 8-K |
Current report
Results of operations
|
Nov 5, 2019 | Nov 5, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Sep 18, 2019 | Sep 17, 2019 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Aug 21, 2019 | Aug 20, 2019 |
| DEF 14A | Proxy statement | Aug 16, 2019 | Sep 17, 2019 |
| 10-Q | Quarterly report | Aug 9, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2019 | Aug 1, 2019 |
| 8-K |
Current report
Officer or director change
|
Jul 24, 2019 | Jul 22, 2019 |
| S-8 | Employee stock plan registration | Jul 15, 2019 | — |
| 8-K |
Current report
Other events
|
Jul 15, 2019 | Jul 12, 2019 |
| 8-K12B | Filing | Jul 15, 2019 | Jul 11, 2019 |
| 424B3 | Prospectus | Jun 3, 2019 | — |
| EFFECT | Filing | May 31, 2019 | — |
| CORRESP | Letter to the SEC | May 31, 2019 | — |
| S-4/A | Filing | May 31, 2019 | — |
| S-4/A | Filing | May 23, 2019 | — |
| S-4/A | Filing | May 15, 2019 | — |
| CORRESP | Letter to the SEC | May 14, 2019 | — |
| CORRESP | Letter to the SEC | May 9, 2019 | — |
| UPLOAD | Letter from the SEC | May 1, 2019 | — |
| CORRESP | Letter to the SEC | Apr 24, 2019 | — |
| S-4/A | Filing | Apr 24, 2019 | — |
| UPLOAD | Letter from the SEC | Apr 10, 2019 | — |
| S-4 | Registration for a merger or exchange | Mar 12, 2019 | — |
Showing 133 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Investment Advice (SIC 6282)
- Listed as
- AAMI (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Boston, MA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1748824
- Former names
- BrightSphere Investment Group Inc. (until Nov 14, 2024)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.