FIRST MANHATTAN CO. LLC.

Position in AJG — Arthur J. Gallagher & Co.

CIK 728083 NEW YORK, NY

Position in AJG

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$3,973,627

-$24,439 QoQ

Shares Held

17,309

-6.2% QoQ

Ownership

0.007%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#395

of 1,284 holders

Holding Since

Jun 2020

21 quarters on record

Voting authority Sole 0% Shared 100% None 0%

Financial Services · as of Jun 30, 2026

FIRST MANHATTAN CO. LLC. holds $15,259,103 across 4 Insurance Brokers names. AJG ranks #2 (26.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AON	Aon plc	21,562	$7,151,899
2	AJG	Arthur J. Gallagher & Co. This page	17,309	$3,973,627
3	MRSH	Marsh & Mclennan Companies, Inc.	21,536	$3,589,405
4	WTW	Willis Towers Watson PLC	2,082	$544,172

21 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,973,627	17,309	-6.2%	Shares	Sole	2026-08-14
2026-03-31	$3,998,066	18,460	-16.4%	Shares	Sole	2026-05-15
2025-12-31	$5,715,894	22,087	-17.4%	Shares	Sole	2026-02-17
2025-09-30	$8,277,801	26,725	-12.6%	Shares	Sole	2025-11-14
2025-06-30	$9,787,669	30,575	-1.1%	Shares	Sole	2025-08-14
2025-03-31	$10,676,892	30,926	-2.6%	Shares	Sole	2025-05-15
2024-12-31	$9,011,102	31,746	+2.0%	Shares	Sole	2025-02-14
2024-09-30	$8,753,139	31,109	-5.3%	Shares	Sole	2024-11-14
2024-06-30	$8,518,074	32,849	-4.2%	Shares	Sole	2024-08-15
2024-03-31	$8,577,622	34,305	-3.9%	Shares	Sole	2024-05-15
2023-12-31	$8,027,991	35,699	-4.0%	Shares	Sole	2024-02-13
2023-09-30	$8,475,577	37,185	+3.7%	Shares	Sole	2023-11-14
2023-06-30	$7,872,243	35,853	-3.3%	Shares	Sole	2023-08-14
2023-03-31	$7,090,522	37,063	-2.7%	Shares	Sole	2023-05-15
2022-12-31	$7,184,505	38,106	-2.8%	Shares	Sole	2023-02-14
2022-09-30	$6,715,419	39,221	-0.2%	Shares	Sole	2022-11-14
2022-06-30	$6,409,265	39,311	-0.8%	Shares	Sole	2022-08-15
2022-03-31	$6,916,080	39,611	+9953.6%	Shares	Sole	2022-05-16
2021-12-31	$66,849	394	+6466.7%	Shares	Sole	2022-02-14
2021-09-30	$891	6	-40.0%	Shares	Sole	2021-11-15
2020-06-30	$974	10	—	Shares	Sole	2020-08-14
No filing history on record for this holder in this stock.