WHITE MOUNTAINS INSURANCE GROUP LTD - WTM

Sector: Financial · Industry: Fire, Marine & Casualty Insurance

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Company profile

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Q2 2026 · Q1 2026

Value (USD)

Total reported value ($000)

$4.603B

QoQ value delta ($000)

-$252.5M (-5.2%)

Implied price effect (QoQ)

-5.58%

Total shares

2,218,683

QoQ shares delta

+8,976 (+0.41%)

Total shares held by funds (by quarter)

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Top 25 only Full list

Partial Q2 2026 data: 357 holders have filed so far. Prior holders are carried forward until their next 13F confirms a change.

Manager	Value ($000)	Shares	% of 13F
DIMENSIONAL FUND ADVISORS LP	329,577	158,954	0.06%
Neuberger Berman Group LLC	247,025	119,141	0.16%
BlackRock, Inc.	244,392	117,871	0.0%
River Road Asset Management, LLC	240,264	115,880	2.67%
VANGUARD PORTFOLIO MANAGEMENT LLC	232,155	111,969	0.01%
VANGUARD CAPITAL MANAGEMENT LLC	222,845	107,479	0.0%
FULLER & THALER ASSET MANAGEMENT, INC.	211,260	101,892	0.58%
COOKE & BIELER LP	176,486	85,120	2.04%
Wallace Capital Management Inc.	166,009	80,067	18.2%
FIDUCIARY MANAGEMENT INC /WI/	137,984	66,550	1.96%
GENDELL JEFFREY L	122,833	59,243	1.08%
Boston Partners	115,277	55,569	0.1%
LONDON CO OF VIRGINIA	112,075	54,025	0.64%
STATE STREET CORP	104,202	50,257	0.0%
GEODE CAPITAL MANAGEMENT, LLC	102,474	49,412	0.01%
MORGAN STANLEY	97,175	46,866	0.01%
REINHART PARTNERS, LLC.	92,265	44,480	2.11%
T. Rowe Price Investment Management, Inc.	70,987	34,237	0.05%
LORD, ABBETT & CO. LLC	68,067	32,829	0.19%
AMERICAN CENTURY COMPANIES INC	64,499	31,108	0.03%
NORGES BANK	57,963	27,956	0.01%
Cannell & Spears LLC	57,177	27,577	1.02%
BANK OF AMERICA CORP /DE/	51,892	25,028	0.0%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	48,735	23,505	0.01%
Mraz, Amerine & Associates, Inc.	46,066	22,218	6.61%