What A Share

NYSE

WTM

White Mountains Insurance Group, Ltd.

1 day
+1.4%
1 month
−1.1%
1 year
+20.1%

$2,141.09 · Mkt cap $5.30B · P/E 4.98

At the 6 Aug 2026 close

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About White Mountains Insurance Group, Ltd. (WTM)

White Mountains Insurance Group, Ltd. trades under the ticker WTM on NYSE, in the Finance sector (Property-Casualty Insurers). Its market capitalisation is $5.30B. The last closing price was $2,141.09, on 6 Aug 2026. It trades at 4.98 times its last reported annual diluted earnings per share. Over the past year the share price is +20.1%, and −1.1% over the past month. Returns are price returns and exclude dividends.

This page exists because WTM is one of the shares What A Share can show you. It is not a recommendation, and its appearance here says nothing about whether the company is worth owning.