Ariel Investments Discloses 8.9% Position in GCM Grosvenor (4.45M Shares)

Rhea-AI Filing Summary

GCM Grosvenor Inc. disclosure shows Ariel Investments, LLC reports beneficial ownership of 4,452,562 shares, representing 8.9% of the outstanding common stock. The filing states Ariel has sole voting power over 3,695,930 shares and sole dispositive power over 4,452,562 shares, indicating control of disposition and voting for the reported position.

The filing notes these holdings are held in the ordinary course on behalf of Ariel's adviser clients, that no single client has an economic interest above 5% of the class, and that the securities were not acquired to change or influence control.

Positive

• Material position disclosed: Ariel Investments reports 4,452,562 shares (8.9%), a clearly stated, investor-relevant ownership level
• Sole dispositive authority: Filing indicates Ariel has sole power to dispose of the reported shares, clarifying decision authority

Negative

• None.

Insights

Financial Analyst

TL;DR Ariel Investments holds a material 8.9% stake with sole dispositive power, a notable ownership disclosure for shareholders.

The filing documents a substantial 4,452,562-share position representing 8.9% of the class with 3,695,930 shares subject to sole voting control. Because the position is reported as held for adviser clients and no client exceeds 5% economic interest, this is a consolidated adviser-level disclosure rather than a single-client controlling stake. The certification states the shares were acquired in the ordinary course and not to effect control.

Corporate Governance Expert

TL;DR Ownership disclosure is material for governance monitoring but the filing affirms no intent to change control and client-level interests are below 5%.

The report clarifies that Ariel has sole dispositive authority over the reported position while acting as investment adviser (type indicated as IA). The statement that no client holds economic interest above 5% reduces immediate takeover concern, though the adviser-level stake is large enough to warrant attention to future voting alignment and engagement with management.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 3)

GCM Grosvenor Inc

(Name of Issuer)

Common Stock SH

(Title of Class of Securities)

36831E108

(CUSIP Number)

06/30/2025

(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)

SCHEDULE 13G

CUSIP No. 36831E108

1

Names of Reporting Persons

Ariel Investments, LLC

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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 3,695,930.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 4,452,562.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,452,562.00

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)

8.9 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: GCM Grosvenor Inc
(b)	Address of issuer's principal executive offices: 900 NORTH MICHIGAN AVENUE, SUITE 1100, CHICAGO, IL, 60611
Item 2.
(a)	Name of person filing: Ariel Investments, LLC
(b)	Address or principal business office or, if none, residence: 200 E. Randolph Street, Suite 2900, Chicago, 60601, United States
(c)	Citizenship: DELAWARE LIMITED LIABILITY COMPANY
(d)	Title of class of securities: Common Stock SH
(e)	CUSIP No.: 36831E108
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: 4,452,562
(b)	Percent of class: 8.9 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 3,695,930
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 4,452,562
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
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. Ariel Investments, LLC's adviser clients have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, all securities reported upon this Schedule. None of Ariel Investments, LLC's clients have an economic interest in more than 5% of the subject securities reported upon this Schedule.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
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.

Ariel Investments, LLC

Signature:	James Prescott
Name/Title:	Vice President, Compliance
Date:	08/13/2025

FAQ

How many GCMG shares does Ariel Investments report owning?

Ariel Investments reports beneficial ownership of 4,452,562 shares of GCM Grosvenor common stock.

What percentage of GCM Grosvenor does that represent?

The reported holdings represent 8.9% of the outstanding class of common stock.

How much voting power does Ariel Investments have in GCMG?

The filing shows Ariel has sole voting power over 3,695,930 shares and no shared voting power for the reported position.

Are the shares held for Ariel's clients or for Ariel itself?

The filing states the securities are held in the ordinary course on behalf of Ariel's adviser clients.

Does any Ariel client have an economic interest over 5% of GCMG?

No; the filing explicitly states none of Ariel's clients have an economic interest above 5% of the subject securities.

Was the position acquired to influence control of GCM Grosvenor?

The certification states the securities were not acquired to change or influence control and are held in the ordinary course of business.