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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 19, 2026
Acadian Asset Management Inc.
(Exact name of registrant as specified in its charter)
Delaware001-3897947-1121020
(State or other jurisdiction
of incorporation)
(Commission File Number)(IRS Employer
Identification Number)

200 State Street, Suite 601A
Boston, Massachusetts 02109
(617) 369-7300
(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)
Securities registered or to be registered pursuant to Section 12(b) of the Act.
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common stock, par value $0.001 per shareAAMINew York Stock Exchange
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
               Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
               Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
                Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
                Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2).
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 financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.



ITEM 7.01    Regulation FD Disclosure.

On May 19, 2026, Acadian Asset Management Inc. (the “Company”) issued a press release in connection with its previously announced Investor Forum, which announced preliminary assets under management of approximately $219 billion as of April 30, 2026. The Investor Forum will include a presentation from the Company’s management. Copies of the press release and presentation are furnished as Exhibit 99.1 and Exhibit 99.2, respectively.

The information in this Item 7.01, including Exhibits 99.1 and Exhibit 99.2, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.


ITEM 9.01                                       Financial Statements and Exhibits.
 
(d)    Exhibits

Exhibit No.Description
99.1
99.2
104Cover Page Interactive Data File (embedded within the Inline XBRL document)



SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this form to be signed on its behalf by the undersigned, thereto duly authorized.
Date:May 19, 2026ACADIAN ASSET MANAGEMENT INC.
By:/s/ Scott Hynes
Name:Scott Hynes
Title:Chief Financial Officer