Acadian Asset Management Inc.

For the period ended Sep 30, 2026. Filed Nov 5, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 5, 2026

AAMI$96.05+5.6%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

Exhibit No.	Description
3.1		Amended 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.
3.2	Certificate 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.
3.3	Amended 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.
31.1*	Certification of the Company’s Chief 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.
31.2*	Certification of the Company’s Chief 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 Chief 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 Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101*	Interactive data files pursuant to Rule 405 of Regulation S-T: (i) the Condensed Consolidated Balance Sheets as of September 30, 2026 and December 31, 2025, (ii) the Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2026 and 2025, (iii) the Condensed Consolidated Statements of Comprehensive Income for the three and nine months ended September 30, 2026 and 2025, (iv) the Condensed Consolidated Statements of Changes in Stockholders’ Equity for the three and nine months ended September 30, 2026 and 2025, (v) the Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2026 and 2025 and (vi) the Notes to Financial Statements.
104*	The cover page of this Quarterly Report on Form 10-Q, formatted in Inline eXtensible Business Reporting Language

Filed herewith

** Furnished herewith

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		Acadian Asset Management Inc.
Dated:	November 5, 2026
		By:	/s/ Kelly Young
			Kelly YoungPresident and Chief Executive Officer(principal executive officer)
			/s/ Scott Hynes
			Scott HynesSenior Vice President and Chief Financial Officer(principal financial officer)
			/s/ Christina Wiater
			Christina WiaterSenior Vice President and Chief Accounting Officer(principal accounting officer)

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.