WTM
White Mountains Insurance Group, Ltd.
Stock
$2,020.92+7.88 (+0.39%)Close Oct 2, 2026
Adjusted price
+21.46% total return, past year
Key statistics
- Market cap
- $4.8B
- P/E (TTM)
- 4.6
- 52-week range
- $1,841.34$2,319.41
- Beta (5Y monthly)
- 0.29
- Median dollar volume
- $38.3M
- Shares outstanding
- 2.4M
- Revenue, last 12 months
- $3.8B
- Sector
- Financials
- First close
- Oct 23, 1985
Returns
Total
- 1M
- −4.0%
- YTD
- −2.7%
- 1Y
- +21.5%
Per year
- 3Y
- +10.3%
- 5Y
- +13.7%
- 10Y
- +9.4%
- 20Y
- +7.6%
- Since 1985
- +11.6%
Financials
Annual returns
1985 from Oct 23 · 2026 through Oct 2