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Acadian Asset Management Inc. (AAMI) is the issuer whose common stock Invesco Ltd. reported it may be deemed to beneficially own 1,989,483 shares, or 5.6% of the class, as of September 30, 2026. The shares are held of record by Invesco clients, who have the right to receive or direct dividends and sale proceeds. Invesco stated that no one person has greater than 5% economic ownership in these securities.
Key Figures
Beneficial ownership:1,989,483 sharesClass ownership:5.6%Sole voting power:1,989,152 shares+1 more
4 metrics
Beneficial ownership1,989,483 sharesAs of September 30, 2026
Class ownership5.6%Acadian Asset Management Inc. common stock
Sole voting power1,989,152 sharesReported by Invesco Ltd.
Sole dispositive power1,989,483 sharesReported by Invesco Ltd.
Key Terms
beneficially own, sole voting power, sole dispositive power
3 terms
beneficially ownregulatory
"may be deemed to beneficially own 1,989,483 shares"
Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.
sole voting powerregulatory
"Sole power to vote or to direct the vote"
Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.
sole dispositive powerregulatory
"Sole power to dispose or to direct the disposition"
Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many Acadian Asset Management (AAMI) shares did Invesco report owning?
Invesco Ltd. reported it may be deemed to beneficially own 1,989,483 shares of Acadian Asset Management Inc. common stock, representing 5.6% of the class as of September 30, 2026. The shares are held of record by Invesco clients.
What voting and disposition powers did Invesco report over AAMI shares?
Invesco Ltd. reported sole voting power over 1,989,152 shares and sole dispositive power over 1,989,483 shares. It reported no shared voting or dispositive power.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
Acadian Asset Management Inc
(Name of Issuer)
Common Stock
(Title of Class of Securities)
10948W103
(CUSIP Number)
09/30/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
10948W103
1
Names of Reporting Persons
Invesco Ltd.
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
BERMUDA
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
1,989,152.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
1,989,483.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,989,483.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5.6 %
12
Type of Reporting Person (See Instructions)
HC, IA
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Acadian Asset Management Inc
(b)
Address of issuer's principal executive offices:
260 Franklin Street, Boston, MA 02110
Item 2.
(a)
Name of person filing:
Invesco Ltd. ("Invesco Ltd.")
(b)
Address or principal business office or, if none, residence:
1331 Spring Street NW, Suite 2500, Atlanta, GA 30309
(c)
Citizenship:
Bermuda
(d)
Title of class of securities:
Common Stock
(e)
CUSIP Number(s):
10948W103
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
Invesco Ltd., in its capacity as a parent holding company to its investment advisers, may be deemed to beneficially own 1,989,483 shares of the Issuer which are held of record by clients of Invesco Ltd.
(b)
Percent of class:
5.6 %
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
1,989,152
(ii) Shared power to vote or to direct the vote:
0
(iii) Sole power to dispose or to direct the disposition of:
1,989,483
(iv) Shared power to dispose or to direct the disposition of:
0
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
No one person has greater than 5% economic ownership in the securities listed above. As holders of record, the relevant clients of Invesco Ltd. have the right to receive or the power to direct the receipt of dividends from, and proceeds from the sale of, the securities listed above.
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.
Invesco Advisers, Inc.
Invesco Investment Advisers LLC
Invesco Capital Management LLC
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
