[SCHEDULE 13G/A] Arthur J. Gallagher & Co. SEC Filing

Rhea-AI Filing Summary

Arthur J. Gallagher & Co. (AJG): Schedule 13G/A (Amendment No. 2) filed by JPMorgan Chase & Co. reports passive beneficial ownership of 20,155,017 shares of AJG common stock, representing 7.8% of the class as of 09/30/2025.

JPMorgan discloses sole voting power over 16,926,342 shares and shared voting power over 199,223 shares. It also reports sole dispositive power over 19,960,166 shares and shared dispositive power over 193,607 shares. The filing is certified as securities held in the ordinary course and not for the purpose of changing or influencing control.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

ARTHUR J. GALLAGHER & CO.

(Name of Issuer)

Common Stock, par value $1.00 per share

(Title of Class of Securities)

363576109

(CUSIP Number)

09/30/2025

(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. 363576109

1

Names of Reporting Persons

JPMORGAN CHASE & CO.

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 16,926,342.00
6	Shared Voting Power 199,223.00
7	Sole Dispositive Power 19,960,166.00
8	Shared Dispositive Power 193,607.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

20,155,017.00

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)

7.8 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: ARTHUR J. GALLAGHER & CO.
(b)	Address of issuer's principal executive offices: 2850 Golf Road Rolling Meadows IL 60008
Item 2.
(a)	Name of person filing: JPMORGAN CHASE & CO.
(b)	Address or principal business office or, if none, residence: 383 Madison Avenue,,New York, NY 10179
(c)	Citizenship: DE
(d)	Title of class of securities: Common Stock, par value $1.00 per share
(e)	CUSIP No.: 363576109
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: 20155017
(b)	Percent of class: 7.8 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 16926342
	(ii) Shared power to vote or to direct the vote: 199223
	(iii) Sole power to dispose or to direct the disposition of: 19960166
	(iv) Shared power to dispose or to direct the disposition of: 193607
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. Not Applicable
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. J.P. Morgan Trust Company of Delaware; J.P. Morgan Securities LLC; JPMorgan Chase Bank, National Association; JPMorgan Asset Management (UK) Limited; J.P. MORGAN SE; J.P. Morgan (Suisse) SA; JPMorgan Asset Management Holdings Inc.; J.P. Morgan Investment Management Inc.; J.P. Morgan Private Investments Inc.; JPMorgan Asset Management (China) Company Limited; 55I, LLC
Item 8.	Identification and Classification of Members of the Group.
	If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(J), so indicate under Item 3(j) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group. Not Applicable
Item 9.	Notice of Dissolution of Group.
	Notice of dissolution of a group may be furnished as an exhibit stating the date of the dissolution and that all further filings with respect to transactions in the security reported on will be filed, if required, by members of the group, in their individual capacity. See Item 5. 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.

JPMORGAN CHASE & CO.

Signature:	Rachel Tsvaygoft
Name/Title:	Vice President
Date:	10/31/2025

FAQ

What stake in AJG did JPMorgan Chase & Co. report on Schedule 13G/A?

JPMorgan reported beneficial ownership of 20,155,017 AJG common shares, or 7.8% of the class, as of 09/30/2025.

What voting powers did JPMorgan disclose over AJG shares?

JPMorgan has sole voting power over 16,926,342 shares and shared voting power over 199,223 shares.

What dispositive powers did JPMorgan disclose over AJG shares?

It reports sole dispositive power over 19,960,166 shares and shared dispositive power over 193,607 shares.

What is the date of the event requiring the AJG Schedule 13G/A filing?

The event date is 09/30/2025.

Is JPMorgan’s AJG filing a passive or active ownership filing?

It is a passive Schedule 13G/A with a certification that the securities are held in the ordinary course and not to influence control.

Which class of AJG securities is covered?

AJG Common Stock, par value $1.00 per share (CUSIP 363576109).