STATE STREET CORP

Position in WTM — White Mountains Insurance Group Ltd

CIK 93751 BOSTON, MA

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Position in WTM

as of Jun 30, 2026 · filed Aug 7, 2026 Compact

Position Value

$104,202,356

-$3,795,803 QoQ

Shares Held

50,257

+2.2% QoQ

Ownership

2.11%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#14

of 354 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 25% Shared 0% None 74%

Common Shares in WTM Over Time

Shares Held

Position Value (USD)

Position in Insurance - Property & Casualty

Financial Services · as of Jun 30, 2026

STATE STREET CORP holds $27,849,824,868 across 42 Insurance - Property & Casualty names. WTM ranks #19 (0.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PGR	Progressive Corp/Oh/	26,526,959	$5,794,814,193
2	CB	Chubb Ltd	16,727,420	$5,699,701,090
3	TRV	Travelers Companies, Inc.	15,706,016	$5,184,870,001
4	ALL	Allstate Corp	12,510,392	$2,976,722,672
5	CINF	Cincinnati Financial Corp	8,539,606	$1,581,022,654
6	WRB	Berkley W R Corp	14,126,628	$996,351,072
7	L	Loews Corp	7,957,197	$900,834,272
8	AIZ	Assurant, Inc.	2,541,897	$682,575,601

All Filings in WTM

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$104,202,356	50,257	+2.2%	Shares	Defined	2026-08-07
2026-03-31	$107,998,159	49,158	-3.0%	Shares	Defined	2026-05-15
2025-12-31	$105,279,233	50,663	-6.9%	Shares	Defined	2026-02-13
2025-09-30	$91,004,234	54,444	-4.9%	Shares	Defined	2025-11-14
2025-06-30	$102,788,808	57,241	+4.2%	Shares	Defined	2025-08-14
2025-03-31	$105,811,710	54,944	+0.1%	Shares	Defined	2025-05-15
2024-12-31	$106,754,623	54,885	+0.0%	Shares	Defined	2025-02-14
2024-09-30	$93,082,367	54,877	+5.2%	Shares	Defined	2024-11-14
2024-06-30	$94,803,644	52,163	+7.3%	Shares	Defined	2024-08-14
2024-03-31	$87,238,866	48,620	-3.2%	Shares	Defined	2024-05-15
2023-12-31	$75,559,027	50,205	+6.9%	Shares	Defined	2024-02-14
2023-09-30	$70,245,076	46,965	-1.4%	Shares	Defined	2023-11-14
2023-06-30	$66,152,394	47,629	-0.5%	Shares	Defined	2023-08-14
2023-03-31	$65,944,578	47,873	-4.9%	Shares	Defined	2023-05-15
2022-12-31	$71,210,101	50,349	-3.7%	Shares	Defined	2023-05-15
2022-09-30	$68,123,188	52,281	-3.7%	Shares	Defined	2022-11-15
2022-06-30	$67,638,690	54,279	-2.8%	Shares	Defined	2022-08-15
2022-03-31	$63,429,461	55,824	+4.4%	Shares	Defined	2022-05-16
2021-12-31	$54,202,080	53,459	-4.4%	Shares	Defined	2022-02-14
2021-09-30	$59,810,451	55,918	-8.0%	Shares	Defined	2021-11-15
2021-06-30	$69,781,855	60,784	+27.0%	Shares	Defined	2021-08-16
2021-03-31	$53,381,412	47,880	-2.5%	Shares	Defined	2021-07-09
2020-12-31	$49,116,395	49,084	-4.6%	Shares	Defined	2021-02-16
2020-09-30	$40,099,025	51,475	-11.0%	Shares	Defined	2020-11-10
2020-06-30	$51,360,184	57,840	-2.5%	Shares	Defined	2020-08-14
2020-03-31	$54,010,320	59,352	—	Shares	Defined	2020-06-19
No filing history on record for this holder in this stock.