WHITE MOUNTAINS INSURANCE GROUP LTD - WTM

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

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Quarter snapshot

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Q1 2026 · Q4 2025
Value (USD)
Total reported value ($000)
$5.422B
QoQ value delta ($000)
+$828.3M (+18.03%)
Implied price effect (QoQ)
+5.14%
Shares
Total shares
2,482,314
QoQ shares delta
+271,135 (+12.26%)
Total shares held by funds (by quarter)

Market chart (WTM)

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Top holders (Q1 2026)

Top 25 only Full list
Partial Q1 2026 data: 366 holders have filed so far. Prior holders are carried forward until their next 13F confirms a change.
Manager Value ($000) Shares % of 13F
VANGUARD GROUP INC 489,787 235,698 0.01%
DIMENSIONAL FUND ADVISORS LP 344,084 156,618 0.07%
Neuberger Berman Group LLC 273,993 124,715 0.21%
River Road Asset Management, LLC 264,775 120,519 3.0%
VANGUARD PORTFOLIO MANAGEMENT LLC 253,865 115,553 0.01%
BlackRock, Inc. 248,976 113,328 0.0%
VANGUARD CAPITAL MANAGEMENT LLC 239,813 109,157 0.01%
COOKE & BIELER LP 230,366 104,857 2.61%
FULLER & THALER ASSET MANAGEMENT, INC. 229,715 104,561 0.77%
FIDUCIARY MANAGEMENT INC /WI/ 186,886 85,066 2.32%
Wallace Capital Management Inc. 173,109 78,795 19.88%
MORGAN STANLEY 130,273 59,295 0.01%
Boston Partners 126,222 57,459 0.13%
LONDON CO OF VIRGINIA 125,537 57,131 0.77%
STATE STREET CORP 107,998 49,158 0.0%
GEODE CAPITAL MANAGEMENT, LLC 92,559 42,119 0.01%
T. Rowe Price Investment Management, Inc. 91,203 41,513 0.06%
GENDELL JEFFREY L 83,075 37,814 1.13%
REINHART PARTNERS, LLC. 82,148 37,374 2.36%
LORD, ABBETT & CO. LLC 72,741 33,110 0.24%
NORGES BANK 66,879 32,184 0.01%
BANK OF AMERICA CORP /DE/ 62,301 28,358 0.0%
Cannell & Spears LLC 61,573 28,027 1.21%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 53,256 24,241 0.01%
RAYMOND JAMES FINANCIAL INC 52,619 23,951 0.02%