White Mountains Insurance Group Ltd (WTM) fair value: what the stock is really worth
As of Nov 6, 2026: fair value (intrinsic value) of White Mountains Insurance Group Ltd stock $4,067, price $2,241, upside +81.5%, quality 66 out of 100. Rating: strongly undervalued. Calculated from audited financials with 6 of our 26 valuation models and 37 quality factors, updated daily.
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White Mountains Insurance Group Ltd
WTM · USThe stock costs 45% less than our calculation considers fair.
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Price vs Fair Value
White line = price, green steps = our fair value per fiscal year. As of Nov 8, 2026.
How to read this chart
60‑month range $983.71 – $2,376 · fair‑value band $3,021 – $5,189 · the $2,241 price screens below the $4,067 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). 4 fiscal years are left out: there the valuation rested on only a fraction of the usual models. As of Nov 8, 2026.
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Company profile
White Mountains Insurance Group, Ltd. provides insurance services in the United States, the United Kingdom, Bermuda, and internationally. It operates through Ark/WM Outrigger, HG Global, Kudu, Distinguished, and Other Operations segments.
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The company offers property insurance and reinsurance; specialty insurance and reinsurance consisting of aviation, contingency, cyber, fine art and specie, mortgage, nuclear, political and credit, space, surety, and terrorism and political violence; marine and energy insurance and reinsurance; casualty insurance and reinsurance, such as medical malpractice, and professional and general liability; and accident and health insurance and reinsurance, which includes personal accident, sickness, disability, travel, short-term life, and medical products through brokers, managing general agents (MGA), and reinsurance intermediaries.
It also provides municipal bond guarantee reinsurance, which focuses on single risk limits for small-to-medium sized, and public investment grade municipal bonds that are issued to finance public purpose projects, including schools, utilities, and transportation facilities.
In addition, the company offers capital solutions for boutique asset and wealth managers for generational ownership transfers, management buyouts, acquisition and growth finance, and legacy partner liquidity; strategic advice; investment management; and specialty electrical contracting services.
Further, it operates as a full-service MGA and program administrator for specialty property and casualty insurance for the real estate and hospitality end markets, and start-up programs; and an MGA for leisure travel and global expatriate medical insurance in Israel, the European Union, and Australia.
The company was formerly known as Fund American Enterprises Holdings, Inc. and changed its name to White Mountains Insurance Group, Ltd. in 1999. White Mountains Insurance Group, Ltd. was incorporated in 1980 and is headquartered in Hamilton, Bermuda.
Stock analysis
White Mountains Insurance Group Ltd (WTM) currently trades at $2,241, while our model-based Fair Value estimate is $4,067, implying the stock looks roughly 45% undervalued today.
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Valuation
Bull case: the Multiples group reads highest at a median of $4,151 per share, and 3 of the 6 models we run sit above the $2,241 price.
Bear case: the Asset-Based group reads lowest at $1,089, and 3 of the 6 models stay below the price. Data coverage for this calculation is medium.
Scenario range: $3,021 (bear) to $5,189 (bull), the price of $2,241 sits below it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.
Quality & growth
The Quality Score stands at 66/100 (solid quality), in the Financial Services sector.
Expensive Growth: The company is growing, but growth may require heavy reinvestment or weak cash conversion.
White Mountains Insurance Group Ltd reported revenue of $2.7B in FY2025 versus $614M in FY2021, a compound +44.9%/yr. Reported net income was $1.1B in FY2025.
Key figures
Market cap $5.4B Mid · P/E ratio 6.0 · P/S ratio 1.96 · EPS (TTM) $374.58 · Dividend yield 0.0% · Net margin 35.2% · Return on equity 16.6% · Return on assets (EBIT) 3.0% (5-year average).
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 59 out of 100 (low confidence).
What moves the price
The share trades about 6% below its 52-week high and 19% above its 52-week low, currently above its 200-day average.
For context, the median of 10 Financial Services peers we cover trades at −22% fair-value upside, at 81%, WTM screens cheaper than that median.
Fair Value models
All 6 models by family
Quality Score breakdown
It rates the business: profits, how they develop, real cash, balance sheet, investing and share count.
Insider trades
In the last 6 months, no officer or director bought or sold shares on the open market.
- SaleGeorge Manning RountreeChief Executive Officer, Director5,000 shares at $2,050$10.3MDec 19, 2025
- SaleReid Tarlton CampbellDirector5,000 shares at $2,050$10.3MDec 19, 2025
- SalePhilip A GelstonDirector165 shares at $2,049$338,004Dec 16, 2025
Plus 11 other filings such as grants, option exercises or tax withholding. They are not market purchases or sales.
Sales are often planned (taxes, diversification, 10b5-1 plans). Purchases with their own money are seen as the stronger sign. For information only: not part of the quality score or Fair Value.
Source: SEC Form 4, as of Nov 6, 2026. All filings at the SEC ↗
Revenue & earnings trend
Watch WTM, get fair value alerts →
Recent news
- White Mountains: Q3 Earnings Snapshot
- WHITE MOUNTAINS REPORTS THIRD QUARTER RESULTS
- White Mountains Insurance Group (WTM) Stock May Be 40% Below Fair Value As Excess Returns Hold
- How Efficiency and AI Support White Mountains Insurance Group, Ltd.’s (WTM) Revaluation Thesis
Compare White Mountains Insurance Group Ltd with another stock
Price, fair value, quality and upside side by side.
Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Insurance - Property & Casualty · 100 stocks
Valuation Multiplesvs Insurance - Property & Casualty median · lower = cheaper
Strength profile in five axes (Snowflake)
Context: sector, industry, market
- Is the Financials sector expensive or cheap?
- P/E, EV/EBITDA and margins by industry (reference tables)
- PEG ratio by industry
- Revenue growth by industry
- PEG screener for stocks with fair value
- Undervalued stocks: US Stocks
- Valuation of the USA market
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
Similar stocks
10 more Insurance - Property & Casualty stocks, each showing price versus our Fair Value estimate.
| Stock | Price | Fair Value | vs Fair Value | Compare |
|---|---|---|---|---|
| The People's Insurance Company 601319 | ¥7.26 | ¥9.01 | +24% | vs WTM |
| Fairfax Financial Holdings FFH | C$2,673 | C$3,076 | +15% | vs WTM |
| The Allstate Corporation ALL | $254.81 | $290.52 | +14% | vs WTM |
| PICC Property and Casualty Company 2328 | HK$17.25 | HK$19.02 | +10% | vs WTM |
| Cincinnati Financial Corporation CINF | $185.48 | $144.19 | −22% | vs WTM |
| The Progressive Corporation PGR | $227.77 | $160.75 | −29% | vs WTM |
| Chubb Limited CB | $365.02 | $235.99 | −35% | vs WTM |
| The Travelers Companies, Inc TRV | $395.20 | $254.84 | −36% | vs WTM |
| Intact Financial Corporation IFC | C$276.00 | C$168.64 | −39% | vs WTM |
| W. R. Berkley Corporation WRB | $75.23 | $43.28 | −42% | vs WTM |
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Key figures of White Mountains Insurance Group Ltd
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