Boston Partners

Position in AJG — Arthur J. Gallagher & Co.

CIK 1386060 BOSTON, MA

Position in AJG

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$175,052,299

-$39,784,547 QoQ

Shares Held

808,257

-2.6% QoQ

Ownership

0.315%

of shares outstanding

% of Portfolio

0.19%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

23 quarters on record

Voting authority Sole 82.21407299905846.ToString("F0")% Shared 0.ToString("F0")% None 17.78592700094153.ToString("F0")%

Financial Services · as of Mar 31, 2026

Boston Partners holds $824,301,356 across 4 Insurance Brokers names. AJG ranks #2 (21.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AON	Aon plc	1,955,032	$631,045,227
2	AJG	Arthur J. Gallagher & Co. This page	808,257	$175,052,299
3	BWIN	Baldwin Insurance Group, Inc.	772,703	$16,953,103
4	BRO	Brown & Brown, Inc.	19,180	$1,250,727

23 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$175,052,299	808,257	-2.6%	Shares	Defined	2026-05-11
2025-12-31	$214,836,846	830,159	-19.6%	Shares	Other	2026-02-13
2025-09-30	$319,730,043	1,032,253	+40.0%	Shares	Defined	2025-11-13
2025-06-30	$236,024,154	737,299	+0.6%	Shares	Other	2025-08-12
2025-03-31	$253,044,692	732,953	+8.2%	Shares	Defined	2025-05-13
2024-12-31	$192,198,524	677,113	-23.6%	Shares	Other	2025-02-11
2024-09-30	$249,319,423	886,091	-0.8%	Shares	Defined	2024-11-12
2024-06-30	$231,661,068	893,375	-44.6%	Shares	Defined	2024-08-14
2024-03-31	$402,889,200	1,611,299	+2.5%	Shares	Defined	2024-05-28
2023-12-31	$353,604,234	1,572,413	-22.8%	Shares	Other	2024-02-07
2023-09-30	$464,351,986	2,037,257	-6.5%	Shares	Defined	2023-11-08
2023-06-30	$478,182,837	2,177,815	-0.2%	Shares	Defined	2023-08-10
2023-03-31	$417,329,946	2,181,433	+73299.5%	Shares	Other	2023-05-09
2022-06-30	$484,554	2,972	-14.3%	Shares	Defined	2022-08-10
2022-03-31	$605,163	3,466	+3.0%	Shares	Defined	2022-05-10
2021-12-31	$570,939	3,365	-30.5%	Shares	Defined	2022-02-04
2021-09-30	$720,060	4,844	-12.6%	Shares	Defined	2021-11-05
2021-06-30	$776,323	5,542	-12.3%	Shares	Defined	2021-08-12
2021-03-31	$788,546	6,320	-7.7%	Shares	Defined	2021-05-10
2020-12-31	$847,413	6,850	-16.8%	Shares	Defined	2021-02-10
2020-09-30	$869,662	8,237	-0.9%	Shares	Defined	2020-11-13
2020-06-30	$810,726	8,316	-22.4%	Shares	Defined	2020-08-12
2020-03-31	$874,031	10,723	—	Shares	Defined	2020-05-13
No filing history on record for this holder in this stock.