HARBOR CAPITAL ADVISORS, INC.

Position in WTM — White Mountains Insurance Group Ltd

CIK 1039128 CHICAGO, IL

Position in WTM

as of Mar 31, 2026 · filed Apr 28, 2026 Compact

Position Value

$2,280,444

+$485,027 QoQ

Shares Held

1,038

+20.1% QoQ

Ownership

0.042%

of shares outstanding

% of Portfolio

0.21%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2023

10 quarters on record

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

Financial Services · as of Mar 31, 2026

HARBOR CAPITAL ADVISORS, INC. holds $15,869,395 across 22 Insurance - Property & Casualty names. WTM ranks #3 (14.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PRCH	Porch Group, Inc.	507,448	$3,638,402
2	SKWD	Skyward Specialty Insurance Group, Inc.	76,123	$3,325,052
3	WTM	White Mountains Insurance Group Ltd This page	1,038	$2,280,444
4	PGR	Progressive Corp/Oh/	9,618	$1,906,672
5	TRV	Travelers Companies, Inc.	3,583	$1,045,089
6	KMPR	KEMPER Corp	22,701	$693,742
7	GBLI	Global Indemnity Group, LLC	23,692	$645,133
8	HMN	Horace Mann Educators Corp /De/	14,128	$602,983

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,280,444	1,038	+20.1%	Shares	Sole	2026-04-28
2025-12-31	$1,795,417	864	+1.4%	Shares	Sole	2026-01-20
2025-09-30	$1,424,135	852	-71.4%	Shares	Sole	2025-10-15
2025-06-30	$5,344,062	2,976	-2.7%	Shares	Sole	2025-07-09
2025-03-31	$5,889,127	3,058	+25.8%	Shares	Sole	2025-04-14
2024-12-31	$4,728,441	2,431	+1.7%	Shares	Sole	2025-01-10
2024-09-30	$4,053,918	2,390	+100.5%	Shares	Sole	2024-10-29
2024-06-30	$2,166,400	1,192	+282.1%	Shares	Sole	2024-07-09
2024-03-31	$559,821	312	+380.0%	Shares	Sole	2024-05-13
2023-06-30	$90,279	65	—	Shares	Sole	2023-07-11
No filing history on record for this holder in this stock.