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WTM

WHITE MOUNTAINS INSURANCE GROUP LTD

NYSE · Financial Services · Insurance - Property & Casualty · BM

$2,167.12
+0.32%
Ask drillr
Price chart
Sep 18Sep 23Sep 28Oct 1Oct 6Oct 9Oct 14Oct 19
Key dataOct 19, 2026
Open
$2,147.10
From 52W high
−6.57%
Volume
16985.00
Market cap
$5.17B
P/E (Fwd)
—
EV/EBITDA
3.7x
P/E (TTM)
4.9x
RSI (14)
75.3
1D Return
+0.32%
YTD Return
+4.35%
SummaryUpdated Jun 1, 2026

White Mountains Insurance Group, Ltd. (NASDAQ:WTM) is a Bermuda-based financial services holding company that was incorporated in 1980 and went public in 1985. The company operates as a diversified insurance and investment enterprise, managing a portfolio of subsidiaries across property and casualty insurance, reinsurance, specialty insurance programs, and alternative asset management. White Mountains has evolved from a traditional insurance company into a more complex financial services organization that combines underwriting operations with capital allocation and investment management activities.

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