COOKE & BIELER LP

Position in WTM — White Mountains Insurance Group Ltd

CIK 24386 PHILADELPHIA, PA

Position in WTM

as of Jun 30, 2026 · filed Jul 30, 2026 Compact

Position Value

$176,486,948

-$53,879,686 QoQ

Shares Held

85,120

-18.8% QoQ

Ownership

3.57%

of shares outstanding

% of Portfolio

2.03%

of 13F equity value

Holder Rank

of 133 holders

Holding Since

Dec 2024

7 quarters on record

Voting authority Sole 74% Shared 0% None 26%

Financial Services · as of Jun 30, 2026

COOKE & BIELER LP holds $423,949,322 across 5 Insurance - Property & Casualty names. WTM ranks #1 (41.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WTM	White Mountains Insurance Group Ltd This page	85,120	$176,486,948
2	CB	Chubb Ltd	343,888	$117,176,397
3	MKL	Markel Group Inc.	28,672	$55,996,702
4	PGR	Progressive Corp/Oh/	228,166	$49,842,862
5	STC	Stewart Information Services Corp	370,288	$24,446,413

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$176,486,948	85,120	-18.8%	Shares	Sole	2026-07-30
2026-03-31	$230,366,634	104,857	-1.6%	Shares	Sole	2026-05-04
2025-12-31	$221,474,359	106,579	-1.2%	Shares	Sole	2026-02-09
2025-09-30	$180,275,103	107,851	+40.5%	Shares	Sole	2025-10-31
2025-06-30	$137,877,177	76,781	+40.5%	Shares	Sole	2025-08-04
2025-03-31	$105,249,373	54,652	+60.4%	Shares	Sole	2025-05-02
2024-12-31	$66,268,197	34,070	—	Shares	Sole	2025-02-07
No filing history on record for this holder in this stock.