ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in AJG — Arthur J. Gallagher & Co.

CIK 1164508 BOSTON, MA

Position in AJG

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$6,319,371

+$4,944,626 QoQ

Shares Held

29,178

+632.7% QoQ

Ownership

0.011%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

12 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Financial Services · as of Mar 31, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $958,220,958 across 7 Insurance Brokers names. AJG ranks #4 (0.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MRSH	Marsh & Mclennan Companies, Inc.	3,454,586	$599,197,941
2	AON	Aon plc	797,418	$257,390,582
3	WTW	Willis Towers Watson PLC	316,158	$91,907,130
4	AJG	Arthur J. Gallagher & Co. This page	29,178	$6,319,371
5	ERIE	Erie Indemnity Co	8,029	$2,017,767
6	CRD-A	Crawford & Co	74,986	$747,610
7	BRO	Brown & Brown, Inc.	9,823	$640,557

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$6,319,371	29,178	+632.7%	Shares	Defined	2026-05-14
2025-03-31	$1,374,745	3,982	-81.7%	Shares	Defined	2025-05-14
2024-12-31	$6,172,602	21,746	+802.7%	Shares	Defined	2025-02-12
2022-09-30	$412,468	2,409	-97.5%	Shares	Defined	2022-11-14
2022-03-31	$16,882,074	96,690	-80.7%	Shares	Defined	2022-05-13
2021-12-31	$85,018,922	501,084	-16.8%	Shares	Defined	2022-02-14
2021-09-30	$89,487,894	602,004	-0.1%	Shares	Defined	2021-11-12
2021-06-30	$84,375,787	602,340	+81.9%	Shares	Defined	2021-08-13
2021-03-31	$41,313,967	331,121	+488.2%	Shares	Defined	2021-05-14
2020-12-31	$6,963,759	56,291	+15.8%	Shares	Defined	2021-02-12
2020-09-30	$5,131,188	48,600	+1372.7%	Shares	Defined	2020-11-12
2020-06-30	$321,717	3,300	—	Shares	Defined	2020-08-12
No filing history on record for this holder in this stock.