Boston Partners

Position in ACGL — Arch Capital Group Ltd.

CIK 1386060 BOSTON, MA

Position in ACGL

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

Position Value

$200,889,502

+$66,147,720 QoQ

Shares Held

2,092,817

+23.8% QoQ

Ownership

0.599%

of shares outstanding

% of Portfolio

0.21%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2022

6 quarters on record

Voting authority Sole 93.85120629276233.ToString("F0")% Shared 0.ToString("F0")% None 6.148793707237661.ToString("F0")%

Financial Services · as of Mar 31, 2026

Boston Partners holds $343,248,430 across 4 Insurance - Diversified names. ACGL ranks #1 (58.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ACGL	Arch Capital Group Ltd. This page	2,092,817	$200,889,502
2	AIG	American International Group, Inc.	1,822,581	$137,149,219
3	BRK-B	Berkshire Hathaway Inc	9,188	$4,402,889
4	XZO	Exzeo Group, Inc.	54,998	$806,820

6 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$200,889,502	2,092,817	+23.8%	Shares	Defined	2026-05-11
2023-09-30	$134,741,782	1,690,400	+0.0%	Shares	Defined	2023-11-08
2023-06-30	$126,484,672	1,689,842	-17.1%	Shares	Other	2023-08-10
2023-03-31	$138,419,439	2,039,479	+0.5%	Shares	Other	2023-05-09
2022-12-31	$127,382,816	2,029,035	+42.9%	Shares	Other	2023-02-08
2022-09-30	$64,643,483	1,419,488	—	Shares	Other	2022-11-09
No filing history on record for this holder in this stock.