White Mountains Insurance Group Ltd (WTM) stock analysis
Close on Nov 11, 2026Market cap $5.39BP/E 6.0Yield 0.04%
StockData Score
Prices as of Nov 11, 2026How the score works
Solid15 of 30 checks passed
White Mountains Insurance passes 15 of the 30 checks behind our score; 10 could not be run for lack of data and count as not passed. Each dot in the shape is one check — hover it for the numbers.
- Valuation
- 5/6
- Growth
- 3/6
- Past performance
- 4/6
- Financial health
- 0/6
- Dividend
- 3/6
What stands out
Margin of safety over 20%
The price is 29.5% below fair value, more than the 20% cushion we look for.
Trading below fair value
The share price of $2259.75 is below our fair value estimate of $3206.06.
Revenue growing 10%+ a year
Revenue grew 47.8% a year over the last three fiscal years.
EPS growing 10%+ a year
Diluted EPS grew 15.8% a year over the last three fiscal years.
What to watch
Return on equity under 15%
Return on equity was 19.2% over the last twelve months and averaged 10.9% over five years; we look for 15% on both.
P/S above the industry
White Mountains Insurance's price-to-sales of 1.50 is above the Fire, Marine, and Casualty Insurance median of 1.28.
Gross margin slipping
Gross margin was 92.8% over the last twelve months, against 95.5% a year earlier.
Yield below Treasuries
The 0.0% yield is below the 4.4% on a 1-year Treasury.
Valuation5/6
P/E below its 5-year median
White Mountains Insurance's P/E of 6.0 is below its own 5-year median of 8.0.
P/E below the industry
White Mountains Insurance's P/E of 6.0 is below the Fire, Marine, and Casualty Insurance median of 10.4.
P/S above the industry
White Mountains Insurance's price-to-sales of 1.50 is above the Fire, Marine, and Casualty Insurance median of 1.28.
P/B below the industry
White Mountains Insurance's price-to-book of 1.01 is below the Fire, Marine, and Casualty Insurance median of 1.62.
Trading below fair value
The share price of $2259.75 is below our fair value estimate of $3206.06.
Margin of safety over 20%
The price is 29.5% below fair value, more than the 20% cushion we look for.
Growth3/6
Revenue growing 10%+ a year
Revenue grew 47.8% a year over the last three fiscal years.
EPS growing 10%+ a year
Diluted EPS grew 15.8% a year over the last three fiscal years.
Earnings acceleration
Needs positive net income now, a year ago and five years ago.
Growing faster than the industry
Revenue grew 44.9% over the last twelve months; the Fire, Marine, and Casualty Insurance median is 5.0%.
Company guidance
No outlook found in earnings releases from the last twelve months.
Gross margin slipping
Gross margin was 92.8% over the last twelve months, against 95.5% a year earlier.
Past performance4/6
Return on equity under 15%
Return on equity was 19.2% over the last twelve months and averaged 10.9% over five years; we look for 15% on both.
Return on assets over 1%
Return on assets was 7.5%; for a bank or insurer, 1% or more is considered good.
Return on equity above the industry
White Mountains Insurance's return on equity of 19.2% is above the Fire, Marine, and Casualty Insurance median of 15.9%.
Earnings over 5 years
Needs positive net income five years ago and in the latest year.
Net margin above its 5-year average
Net margin was 26.9% over the last twelve months, against a 5-year average of 17.4%.
Net margin above the industry
White Mountains Insurance's net margin of 26.9% is above the Fire, Marine, and Casualty Insurance median of 12.0%.
Financial health0/6
Debt level
Needs debt and equity figures.
Debt trend
Needs a balance sheet from five years ago with positive equity.
Debt coverage
Needs operating cash flow.
Interest coverage
Interest expense is not reported separately.
Short-term liquidity
Insurers do not split assets into current and non-current.
Bankruptcy risk (Altman Z)
The Altman model does not apply to insurers.
Dividend3/6
Pays a dividend
White Mountains Insurance paid dividends worth 0.0% of the share price over the last twelve months.
Yield below Treasuries
The 0.0% yield is below the 4.4% on a 1-year Treasury.
Yield below the top quarter
The top quarter of US dividend payers yield 3.8% or more; White Mountains Insurance yields 0.0%.
Dividend not cut
The dividend per share has not fallen by more than 10% in any of the last 10 fiscal years.
Covered by earnings
Dividends take 0.2% of net income.
Cash-flow cover
Needs dividends paid and free cash flow.
Fair value
How we estimate itOur estimate per share
$3,206.06
The share price is 30% below this estimate.
| Method | Multiple used | Own 5Y median | Industry median | Value per share | Weight |
|---|---|---|---|---|---|
| P/E | 9.2× | 8.0× | 10.4× | $3,464.09 | 50% |
| P/B | 1.3× | 1.0× | 1.6× | $2,948.04 | 50% |
| Fair value | $3,206.06 | 100% | |||
Valuation over time
Using the earnings and balance sheet published at each date, not today's.
- P/E at month end
- Own 5-year median 8.0
- Fire, Marine, and Casualty Insurance median 10.4
An estimate from reported numbers and market multiples, not a price target or investment advice. It can be far off for companies whose profits are about to change sharply.
Market risk
From the past year of daily prices.
Liquidity
Low risk
- Average value traded per day
- $50.44M
- Value traded per 1% price move
- $59.66M
Downside
Low risk
- Typical loss in a bad month
- 7.8%
- Volatility (annualized)
- 20%
- Sharpe ratio, 1 year
- 0.72
- Beta to the S&P 500 (5Y)
- 0.24
Typical bad-month loss, week by week
Margins
Share of revenue, fiscal years 2011 to 2025
Gross margin
Net margin
Growth rates
Compound annual growth to fiscal 2025
| Per year | 1 year | 3 years | 5 years | 10 years | Five-year pace |
|---|---|---|---|---|---|
| Revenue | +66.8% | +47.8% | +33.1% | +23.8% | |
| Gross profit | +62.1% | +50.1% | +32.3% | +26.3% | |
| Net income | +380.2% | +11.8% | – | – | |
| EPS, diluted | +379.1% | +15.8% | +13.6% | +24.0% | |
| Dividend per share | 0.0% | 0.0% | 0.0% | 0.0% |
Returns and balance sheet
10 fiscal years. Hover a measure to see how it is calculated.
| Measure | FY2016 | FY2020 | FY2025 | Trend |
|---|---|---|---|---|
| Return on equity | – | – | 22.3% | |
| Return on assets | – | – | 10.0% | |
| Diluted shares | 5M | 3M | 3M |
Cash use needs five years of cash flow figures
White Mountains Insurance does not report operating cash flow and capital expenditure for each of the last five fiscal years.
DuPont analysis
Return on equity split into margin, efficiency and leverage
| Fiscal year | Net margin | Asset turnover | Equity multiplier | Return on equity |
|---|---|---|---|---|
| FY2025 | 29.6% | 0.34× | 2.24× | 22.3% |
| FY2024 | 10.3% | 0.24× | 2.10× | 5.3% |
| FY2023 | 23.5% | 0.27× | 1.98× | 12.8% |
| FY2022 | 68.5% | 0.16× | 1.97× | 21.7% |
| FY2021 | -44.8% | 0.10× | 1.59× | -7.4% |
Piotroski F-Score
Nine tests of profitability, balance sheet and efficiency, fiscal 2025 against fiscal 2024
- ProfitableNet income above zero$1.11B
- Cash generatingOperating cash flow above zero$550.50M
- Return on assets improvedROA up on the prior year2.7% → 11.1%
- Earnings backed by cashOperating cash flow above net income$550.50M vs $1.11B
- Less leverageLong-term debt to assets fell– → –
- Better liquidityCurrent ratio rose– → –
- No dilutionShare count did not rise3M → 3M
- Gross margin improvedGross margin up on the prior year98.68% → 95.94%
- More efficientAsset turnover rose0.27 → 0.38
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