Acadian Asset Management Inc 2024年度报告

FORM10-K For the transition period fromtoCommission File Number001-38979 Acadian Asset Management Inc. (Exact name of registrant as specified in its charter) Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule405 of the Securities Act.Yes☒No☐Indicate by check mark if the registrant is not required to file reports pursuant to Section13 or Section15(d) of the Act.Yes☐No☒ Indicate by check mark whether the registrant (1)has filed all reports required to be filed by Section13 or 15(d) of the Securities Exchange Act of 1934 during the preceding12months (or for such shorter period that the Registrant was required to file such reports), and (2)has been subject to such filing requirements for the past 90days.Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule405 of RegulationS-T Indicate by check mark if disclosure of delinquent filers pursuant to Item405 of RegulationS-K (229.405 of this chapter) is not contained herein, and will not be contained, tothe best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in PartIII of this Form10-K or any amendment to this Form10-K.☐Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growthcompany. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule12b-2 of the Exchange Act.(Check one): Large accelerated filer☒Accelerated filer☐Smaller reporting company☐Non-accelerated filer☐Emerging growth company☐ If an emerging growth company, indicate by check mark if the Registrant has elected not to use the extended transition period for complying with any new or revised financialaccounting standards provided pursuant to Section 13(a) of the Exchange Act.☐Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.☒If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements.☐Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐Indicate by check mark whether the Registrant is a shell company (as defined in Rule12b-2 of the Act).Yes☐No☒ At June30, 2024, the aggregate market value of the shares of common stock held by non-affiliates of the registrant, based upon the closing price of $22.17 on that date on the NewYork Stock Exchange, was $615,923,637. Calculation of holdings by non-affiliates is based upon the assumption, for this purpose only, that executive officers, directors and anypersons holding 10% or more of the registrant’s shares of common stock are affiliates. There were37,491,828shares of the registrant’s shares of common stock outstanding onFebruary25, 2025.DOCUMENTS INCORPORATED BY REFERENCE Portions of the definitive Proxy Statement to be delivered to stockholders in connection with the Annual Meeting of Stockholders to be held on or about May13, 2025 are TABLE OF CONTENTS PartI Item 1.Item 1A.Item 1B.Item 1C.Item 2.Item 3.Item 4. BusinessRisk FactorsUnresolved Staff CommentsCybersecurityPropertiesLegal ProceedingsMine Safety Disclosures PartII Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of EquitySecuritiesReservedManagement's Discussion and Analysis of Financial Condition and Results of OperationsQuantitative and Qualitative Disclosures About Market RiskFinancial Statements and Supplementary DataChanges in and Disagreements With Accountants on Accounting and Financial DisclosureControls and ProceduresOther Information Item 5. Item 6.Item 7.Item 7A.Item 8.Item 9.Item 9A.Item 9B.Item 9C. PartIII Item 10.Directors, Executive Officers and Corporate Governance124Item 11.Executive Compensation124Item 12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters124Item 13.Certain Relationships and Related Transactions, and Director Independence124Item 14.Principal Accountant Fees and Services124 PartIV Item 15.Exhibits, Financial Statements SchedulesItem 16.Form 10-K Summary Forward-Looking Statements This Annual Report on Form10-K includes forward-looking statements, as that term is used in the Private Securities Litigation Reform Act of1995