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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Q4 2025 · Q3 2025
Value (USD)
Total reported value ($000)
$4.594B
QoQ value delta ($000)
+$713.7M (+18.39%)
Implied price effect (QoQ)
+24.25%
Shares
Total shares
2,211,179
QoQ shares delta
-109,287 (-4.71%)
Total shares held by funds (by quarter)

Market chart (WTM)

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Top holders (Q4 2025)

Top 25 only Full list
Early Q1 2026 data: only 47 institutional holders reported so far. More will appear as funds file with the SEC.
Manager Value ($000) Shares % of 13F
VANGUARD GROUP INC 489,787 235,698 0.01%
DIMENSIONAL FUND ADVISORS LP 325,427 156,604 0.07%
Neuberger Berman Group LLC 269,424 129,654 0.2%
River Road Asset Management, LLC 251,192 120,880 2.76%
BlackRock, Inc. 233,341 112,289 0.0%
FULLER & THALER ASSET MANAGEMENT, INC. 224,785 108,172 0.76%
COOKE & BIELER LP 221,474 106,579 2.31%
FIDUCIARY MANAGEMENT INC /WI/ 187,714 90,333 2.06%
MORGAN STANLEY 170,715 82,151 0.01%
Wallace Capital Management Inc. 166,963 80,347 20.1%
Boston Partners 159,727 76,911 0.17%
LONDON CO OF VIRGINIA 121,996 58,697 0.7%
STATE STREET CORP 105,279 50,663 0.0%
REINHART PARTNERS, LLC. 91,413 43,973 2.74%
GEODE CAPITAL MANAGEMENT, LLC 86,296 41,518 0.01%
LORD, ABBETT & CO. LLC 70,229 33,796 0.22%
GENDELL JEFFREY L 67,577 32,520 1.17%
NORGES BANK 66,879 32,184 0.01%
SOUTHEASTERN ASSET MANAGEMENT INC/TN/ 65,773 31,652 2.93%
BANK OF AMERICA CORP /DE/ 59,866 28,809 0.0%
Cannell & Spears LLC 58,422 28,115 1.09%
RAYMOND JAMES FINANCIAL INC 49,808 23,969 0.02%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 48,289 23,238 0.01%
Mraz, Amerine & Associates, Inc. 47,024 22,629 6.99%
Allspring Global Investments Holdings, LLC 41,232 20,193 0.07%