ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in MRSH — Marsh & Mclennan Companies, Inc.

CIK 1164508 BOSTON, MA

Position in MRSH

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

Position Value

$599,197,941

+$87,710,953 QoQ

Shares Held

3,454,586

+25.3% QoQ

Ownership

0.717%

of shares outstanding

% of Portfolio

0.34%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

21 quarters on record

Voting authority Sole 90.76942939038136.ToString("F0")% Shared 0.ToString("F0")% None 9.230570609618633.ToString("F0")%

Financial Services · as of Mar 31, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $958,220,958 across 7 Insurance Brokers names. MRSH ranks #1 (62.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MRSH	Marsh & Mclennan Companies, Inc. This page	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.	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

21 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$599,197,941	3,454,586	+25.3%	Shares	Defined	2026-05-14
2025-12-31	$511,486,988	2,757,045	+94.3%	Shares	Defined	2026-02-13
2025-09-30	$285,992,029	1,419,104	+654.7%	Shares	Defined	2025-11-13
2025-06-30	$41,114,158	188,045	+132.3%	Shares	Defined	2025-08-13
2025-03-31	$19,756,668	80,960	-9.7%	Shares	Defined	2025-05-14
2024-12-31	$19,040,857	89,642	+1397.5%	Shares	Defined	2025-02-12
2024-06-30	$1,261,369	5,986	0.0%	Shares	Defined	2024-08-14
2024-03-31	$1,232,996	5,986	0.0%	Shares	Defined	2024-05-15
2023-12-31	$1,134,167	5,986	-73.7%	Shares	Defined	2024-02-14
2023-09-30	$4,335,414	22,782	-48.8%	Shares	Defined	2023-11-14
2023-06-30	$8,372,757	44,517	+725.5%	Shares	Defined	2023-08-14
2023-03-31	$898,204	5,393	-99.4%	Shares	Defined	2023-05-15
2022-03-31	$164,708,714	966,487	-66.8%	Shares	Defined	2022-05-13
2021-12-31	$505,405,463	2,907,637	+13.6%	Shares	Defined	2022-02-14
2021-09-30	$387,705,471	2,560,295	+26.8%	Shares	Defined	2021-11-12
2021-06-30	$283,975,944	2,018,595	+30.6%	Shares	Defined	2021-08-13
2021-03-31	$188,308,037	1,546,043	+59.8%	Shares	Defined	2021-05-14
2020-12-31	$113,204,052	967,556	+37.0%	Shares	Defined	2021-02-12
2020-09-30	$81,018,803	706,354	+18.9%	Shares	Defined	2020-11-12
2020-06-30	$63,778,531	594,007	+164.0%	Shares	Defined	2020-08-12
2020-03-31	$19,452,203	224,985	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.