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Acadian Asset Management Inc.

For the period ended Dec 31, 2025. Filed Feb 27, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 27, 2026

AAMI$97.57+1.6%Stored close · as of Nov 10, 2026

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Contents

Item 15. Exhibits, Financial Statements Schedules

(1)Financial Statements: The information required by this Item is contained in Item 8 of Part II of this report.

(2)Financial Statement Schedules: None

(3)Exhibits:

ExhibitNo.Description
3.1Amended and Restated Certificate of Incorporation, adopted as of July 12, 2019, incorporated herein by reference to Exhibit 3.1 to the Annual Report on Form 10-K filed on February 27, 2025.
3.2Certificate of Amendment to Amended and Restated Certificate of Incorporation, effective January 1, 2025, incorporated herein by reference to Exhibit 3.2 to the Annual Report on Form 10-K filed on February 27, 2025.
3.3Amended and Restated Bylaws, adopted as of May 13, 2025, incorporated herein by reference to Exhibit 3.1 to the Current Report on Form 8-K filed on May 16,2025.
4.1Specimen Common Stock Certificate incorporated herein by reference to Exhibit 4.1 to Quarterly Report on Form 10-Q filed on May 8, 2025.
4.2Base Indenture, dated as of July 25, 2016, among OM Asset Management plc, as Issuer, Wilmington Trust, National Association, as Trustee, and Citibank, N.A., as Securities Administrator, incorporated herein by reference to Exhibit 4.1 to Current Report on Form 8-K filed on July 25, 2016.
4.3*Description of Registrant’s Securities.
10.1Acadian Asset Management Inc. Equity Incentive Plan, incorporated herein by reference to Exhibit 10.1 to the Annual Report on Form 10-K filed on February 27, 2025.
10.2Registration Rights Agreement, dated May 17, 2019, between BrightSphere Investment Group Inc. and Paulson & Co. Inc. incorporated herein by reference to Exhibit 10.4 to Quarterly Report on Form 10-Q filed on August 9, 2019.
10.3Stockholder Agreement, dated May 17, 2019, between BrightSphere Investment Group Inc. and Paulson & Co. Inc. incorporated herein by reference to Exhibit 10.2 to Quarterly Report on Form 10-Q filed on August 9, 2019.
10.4Form of Indemnity Agreement, incorporated herein by reference to Exhibit 10.4 to the Annual Report on Form 10-K filed on February 27, 2025.
10.5Eighth Amended and Restated Limited Liability Company Agreement of Acadian Asset Management LLC, dated December 31, 2024, incorporated herein by reference to Exhibit 10.5 to the Annual Report on Form 10-K filed on February 27, 2025.
10.6#Acadian Asset Management Inc. Non-Employee Directors’ Equity Incentive Plan, incorporated herein by reference to Exhibit 10.6 to the Annual Report on Form 10-K filed on February 27, 2025.
ExhibitNo.Description
10.7#Form of Restricted Stock Unit Award Agreement for Non-Employee Directors, incorporated herein by reference to Exhibit 10.7 to the Annual Report on Form 10-K filed on February 27, 2025.
10.8#Form of Restricted Stock Unit Award Agreement for Employees, incorporated herein by reference to Exhibit 10.8 to the Annual Report on Form 10-K filed on February 27, 2025.
10.9#Employment Agreement, dated April 15, 2020, by and between BrightSphere Inc. and Richard Hart, incorporated herein by reference to Exhibit 10.31 to Annual Report on Form 10-K filed on March 1, 2021.
10.10#Amended and Restated Employment Agreement, dated May 4, 2023, by and between BrightSphere Inc. and Christina Wiater incorporated herein by reference to Exhibit 10.1 to the Quarterly Report on Form 10-Q filed on May 8, 2023.
10.11#Employment Agreement, dated September 30, 2024, by and among the Company, Acadian and Kelly Young, incorporated herein by reference to Exhibit 10.1 to the Current Report on Form 8-K filed on October 1, 2024.
10.12#Amended and Restated Acadian Asset Management LLC Bonus Plan, effective January 1, 2025, incorporated herein by reference to Exhibit 10.13 to the Annual Report on Form 10-K filed on February 27, 2025.
10.13#Amended and Restated Acadian Asset Management LLC Deferred Compensation Plan, effective January 1, 2025, incorporated herein by reference to Exhibit 10.14 to the Annual Report on Form 10-K filed on February 27, 2025.
10.14Delayed Draw Term Loan Credit Agreement, dated as of October 28, 2025, among Acadian Asset Management LLC, the Lenders from time to time party thereto, and Bank of America, N.A., as the Administrative Agent. incorporated herein by reference to Exhibit 10.1 to the Form 8-K filed on October 30, 2025.
10.15Revolving Credit Agreement, dated as of October 28, 2025, among Acadian Asset Management LLC, the Lenders from time to time party thereto, Bank of America, N.A., as the Administrative Agent and a L/C Issuer and the other L/C Issuers from time to time party thereto, incorporated herein by reference to Exhibit 10.2 to the Form 8-K filed on October 30, 2025.
10.16#*Form of Performance-based Restricted Stock Unit Award Agreement for Employees
10.17#*Form of Restricted Stock Unit Award Agreement for Employees
19*Acadian Asset Management Inc. Insider Trading Policy
21.1*Subsidiaries of Acadian Asset Management Inc.
23.1*Consent of KPMG LLP
31.1*Certification of the Company’s principal executive officer pursuant to Exchange Act Rules 13a-14(a)/15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
ExhibitNo.Description
31.2*Certification of the Company’s principal financial officer pursuant to Exchange Act Rules 13a-14(a)/15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**Certification of the Company’s principal executive officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2**Certification of the Company’s principal financial officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
97.1BrightSphere Investment Group Inc. Rule 10D-1 Clawback Policy, effective October 2, 2023, incorporated herein by reference to Exhibit 97.1 to the Annual Report on Form 10-K filed on February 27, 2025.
101*Interactive data files pursuant to Rule 405 of Regulation S-T: (i) the Consolidated Balance Sheets as of December 31, 2025 and December 31, 2024; (ii) the Consolidated Statements of Operations for the years ended December 31, 2025, 2024 and 2023; (iii) the Consolidated Statements of Comprehensive Income (Loss) for the years ended December 31, 2025, 2024 and 2023; (iv) the Consolidated Statements of Changes in Stockholders’ Equity for the years ended December 31, 2025, 2024 and 2023; (v) the Consolidated Statements of Cash Flows for the years ended December 31, 2025, 2024 and 2023; and (vi) the Notes to Consolidated Financial Statements.
104*The cover page of this Annual Report on Form 10-K, formatted in Inline eXtensible Business Reporting Language (embedded within the Inline XBRL document contained in Exhibit 101).
  • Filed herewith

** Furnished herewith

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