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W

White Mountains Insurance Group, Ltd. (WTM)

NYQ – Real Time Price. Currency in USD

2153.86

-66.85 (-3.01%)

At close: Mar 27, 2026, 4:00 PM EDT

2153.86

0.00 (0.00%)

After-hours: Mar 27, 2026, 6:26 PM EDT

  • Summary
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  • Dividends
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  • Profile

Ownership

Major Holders

Breakdown
3.36%% of Shares Held by All Insider
95.78%% of Shares Held by Institutions
99.11%% of Float Held by Institutions
459Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
Vanguard Group Inc235,6982025-12-319.55%$507.66M
Dimensional Fund Advisors LP156,6042025-12-316.35%$337.30M
Neuberger Berman Group, LLC129,6542025-12-315.26%$279.26M
River Road Asset Management, LLC120,8802025-12-314.90%$260.36M
Blackrock Inc.112,2892025-12-314.55%$241.85M
Fuller & Thaler Asset Management Inc.108,1722025-12-314.38%$232.99M
Cooke & Bieler LP106,5792025-12-314.32%$229.56M
Fiduciary Management, Inc.90,3332025-12-313.66%$194.56M
Morgan Stanley82,1512025-12-313.33%$176.94M
Wallace Capital Management, Inc.80,3472025-12-313.26%$173.06M

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
UNDISCOVERED MANAGERS Fd.S-Undiscovered Managers Behavioral Value Fd.89,3742025-12-313.62%$192.50M
NEUBERGER BERMAN EQUITY FUNDS-Neuberger Berman Genesis Fund75,5552025-12-313.06%$162.73M
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund75,1042025-12-313.04%$161.76M
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund52,1832025-12-312.12%$112.39M
FMI Funds Inc-Common Stock Fund45,0002025-12-311.82%$96.92M
VANGUARD WHITEHALL FUNDS-Vanguard Selected Value Fund40,3382025-10-311.64%$86.88M
DFA INVESTMENT DIMENSIONS GROUP INC-U.S. Small Cap Value Portfolio34,6922025-10-311.41%$74.72M
Calvert Impact Fund, Inc.-Calvert Small-Cap Fund33,6072025-09-301.32%$74.62M
VANGUARD INDEX FUNDS-Vanguard Small-Cap Value Index Fund33,6062025-12-311.36%$72.38M
VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund26,4482025-12-311.07%$56.97M
Longleaf Partners Funds Trust-Longleaf Partners Small-Cap Fund26,2462025-12-311.06%$56.53M