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About the company
White Mountains Insurance Group, Ltd. is a diversified insurance and related financial services holding company that owns and manages businesses seeking a stable, sophisticated partner to drive value creation. Its segments include Ark/WM Outrigger, HG Global, and Kudu. Ark/WM Outrigger segment includes Ark Insurance Holdings Limited and its subsidiaries (Ark) and Outrigger Re Ltd. Ark is a specialty property and casualty insurance and reinsurance company that offers a wide range of niche insurance and reinsurance products, including property, specialty, marine & energy, casualty and accident & health. HG Global segment is engaged in the municipal bond reinsurance business. The Kudu segment consists of Kudu Investment Management, LLC and its subsidiaries. Kudu provides capital solutions for boutique asset and wealth managers for a variety of purposes, including generational ownership transfers, management buyouts, acquisition and growth finance and legacy partner liquidity.
- Revenue in USD (TTM)2.49bn
- Net income in USD138.40m
- Incorporated1999
- Employees893.00
- LocationWhite Mountains Insurance Group Ltd23 South Main Street, Suite 3BHANOVER 03755United StatesUSA
- Phone+1 (603) 640-2200
- Fax+1 (603) 643-4592
- Websitehttps://www.whitemountains.com/
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Mergers & acquisitions
| Acquired company | WTM:NYQ since announced | Transaction value |
|---|---|---|
| Distinguished Programs Group LLC | 22.39% | 224.00m |
Data delayed at least 15 minutes, as of Feb 06 2026 21:00 GMT.
Peer analysis
Key Information
- Key Information
- Stock Performance
- Per Share Data
- Efficiency
- Management Effectiveness
- Profitability
- Financial Strength
- Growth Rates
| Company | Revenue (TTM) | Net income (TTM) | Market cap | Employees | Price/earnings (TTM) | Price/book value (MRQ) | Price/cash flow (TTM) | Price/sales (TTM) | EPS (excl. extraordinary items, TTM) | EPS (incl. extraordinary items, TTM) | Revenue per share (TTM) | Book value per share (MRQ) | Asset turnover (TTM) | Inventory turnover (TTM) | Receivables turnover (TTM) | Revenues per employee (TTM) | Return on avg assets (TTM) | Return on avg assets (5 yr avg) | Return on investment (TTM) | Return on investment (5 yr avg) | Gross margin (TTM) | Gross margin (5 yr avg) | Net profit margin (TTM) | Net Profit margin (5 yr avg) | Quick ratio (MRQ) | Interest coverage (TTM) | Total debt to capital (MRQ) | Payout ratio (5 yr avg) | Revenue (YOY change %) | Revenue (5 yr growth rate) | Net income (YOY change %) | Net income (5 yr growth rate) | Capital expenditure (5 yr growth rate) | Dividend (5 yr growth rate) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NMI Holdings Inc | 692.21m | 380.88m | 3.17bn | 228.00 | 8.62 | 1.26 | 8.08 | 4.58 | 4.78 | 4.78 | 8.69 | 32.62 | 0.1965 | -- | -- | 3,009,600.00 | 10.81 | 11.08 | -- | -- | -- | -- | 55.02 | 51.57 | -- | 18.21 | 0.1421 | 0.00 | 12.43 | 11.44 | 11.80 | 15.93 | -7.06 | -- |
| Palomar Holdings Inc | 768.97m | 175.87m | 3.42bn | 253.00 | 20.16 | 3.90 | -- | 4.45 | 6.41 | 6.41 | 28.03 | 33.14 | 0.2947 | -- | -- | 3,039,391.00 | 6.74 | 5.02 | -- | -- | -- | -- | 22.87 | 18.07 | -- | -- | 0.00 | 0.00 | 45.51 | 37.01 | 48.45 | 58.46 | 15.62 | -- |
| Assured Guaranty Ltd. | 814.00m | 403.00m | 4.04bn | 361.00 | 10.82 | 0.7245 | -- | 4.97 | 8.11 | 8.11 | 16.30 | 121.13 | 0.0667 | -- | -- | 2,254,848.00 | 3.50 | 2.73 | -- | -- | -- | -- | 52.46 | 54.29 | -- | -- | 0.2288 | 16.79 | -11.02 | -5.36 | -49.12 | -1.33 | -- | 10.94 |
| Hagerty Inc | 1.36bn | 33.35m | 4.32bn | 1.73k | 33.37 | 20.41 | 27.69 | 3.18 | 0.3785 | 0.3785 | 6.21 | 0.8666 | 0.6852 | -- | -- | 784,776.10 | 6.50 | 1.05 | -- | -- | -- | -- | 9.49 | 1.43 | -- | 285.17 | 0.1989 | 0.00 | 19.98 | 24.74 | -43.96 | 16.17 | 16.80 | -- |
| Radian Group Inc | 1.25bn | 587.45m | 4.58bn | 1.00k | 8.28 | 0.9842 | 7.56 | 3.65 | 4.08 | 4.00 | 8.70 | 34.34 | 0.1509 | -- | -- | 1,254,678.00 | 7.07 | 7.71 | -- | -- | -- | -- | 46.82 | 45.37 | -- | 9.83 | 0.1951 | 21.71 | 4.01 | -3.31 | 0.219 | -2.11 | -35.13 | 150.18 |
| Lemonade Inc | 658.60m | -173.80m | 5.12bn | 1.24k | -- | 9.90 | -- | 7.77 | -2.38 | -2.38 | 9.01 | 6.91 | 0.352 | -- | -- | 533,279.40 | -9.29 | -16.20 | -- | -- | -- | -- | -26.39 | -76.65 | -- | -- | 0.2122 | -- | 22.50 | 50.90 | 14.65 | -- | 23.29 | -- |
| Mercury General Corp | 5.82bn | 439.62m | 5.18bn | 4.20k | 11.79 | 2.32 | 10.11 | 0.8904 | 7.94 | 7.94 | 105.13 | 40.30 | 0.6645 | -- | -- | 1,386,397.00 | 5.02 | 1.99 | -- | -- | -- | -- | 7.55 | 3.13 | -- | 51.15 | 0.2047 | 78.02 | 18.27 | 6.63 | 385.75 | 7.89 | 2.85 | -12.76 |
| White Mountains Insurance Group Ltd | 2.49bn | 138.40m | 5.36bn | 893.00 | 39.18 | 1.15 | -- | 2.15 | 54.28 | 54.28 | 980.22 | 1,851.38 | 0.2195 | -- | -- | 2,787,458.00 | 2.33 | 2.98 | -- | -- | -- | -- | 10.59 | 14.35 | -- | 11.08 | 0.1321 | 1.36 | 8.66 | 21.38 | -54.70 | -11.28 | -- | 0.00 |
| Selective Insurance Group Inc | 5.32bn | 457.18m | 5.41bn | 2.80k | 12.01 | 1.59 | 16.48 | 1.02 | 7.49 | 7.49 | 87.18 | 60.05 | 0.3714 | -- | -- | -- | 3.25 | 2.83 | -- | -- | -- | -- | 8.76 | 7.80 | -- | 44.27 | 0.1999 | 24.60 | 9.73 | 12.70 | 131.13 | 13.16 | -- | 6.36 |
| RLI Corp | 1.88bn | 403.34m | 5.69bn | 1.15k | 14.19 | 3.20 | -- | 3.02 | 4.37 | 4.37 | 20.37 | 19.35 | 0.3193 | -- | -- | -- | 6.84 | 7.62 | -- | -- | -- | -- | 21.43 | 23.83 | -- | 55.51 | 0.0532 | 9.70 | 6.33 | 13.86 | 16.65 | 20.75 | -- | 21.80 |
| MGIC Investment Corp | 1.21bn | 738.35m | 5.98bn | 555.00 | 8.68 | 1.16 | 10.40 | 4.93 | 3.14 | 3.14 | 5.16 | 23.47 | 0.1841 | -- | -- | -- | 11.20 | 11.05 | -- | -- | -- | -- | 60.84 | 62.59 | -- | 27.23 | 0.1115 | 15.00 | 0.4889 | 0.2405 | -3.23 | 10.60 | -- | 18.47 |
| Hanover Insurance Group Inc | 6.58bn | 660.70m | 6.30bn | 4.90k | 9.82 | 1.77 | -- | 0.9581 | 18.13 | 18.18 | 180.49 | 100.37 | 0.4084 | -- | -- | -- | 4.10 | 2.26 | -- | -- | -- | -- | 10.04 | 5.62 | -- | 88.38 | 0.2544 | 35.09 | 5.61 | 6.33 | 55.35 | 12.79 | -- | 6.61 |
| Essent Group Ltd | 1.26bn | 702.89m | 6.31bn | 510.00 | 9.49 | 1.11 | 8.90 | 4.99 | 6.87 | 6.87 | 12.34 | 58.86 | 0.1745 | -- | -- | 2,021,693.00 | 9.71 | 11.73 | -- | -- | -- | -- | 55.63 | 62.80 | -- | 26.45 | 0.0794 | 13.98 | 12.00 | 7.46 | 4.74 | 5.59 | 37.52 | 30.14 |
| Enact Holdings Inc | 1.24bn | 674.24m | 6.38bn | 421.00 | 9.78 | 1.19 | -- | 5.16 | 4.52 | 4.52 | 8.28 | 37.09 | 0.1843 | -- | -- | -- | 10.05 | 10.73 | -- | -- | -- | -- | 54.56 | 56.49 | -- | 18.38 | 0.122 | -- | 2.83 | 2.20 | -2.01 | 12.73 | -- | -- |
| First American Financial Corp | 7.16bn | 482.30m | 6.84bn | 19.04k | 14.42 | 1.29 | 9.81 | 0.9545 | 4.65 | 4.65 | 68.97 | 52.02 | 0.4191 | -- | -- | 376,205.50 | 2.84 | 3.45 | -- | -- | -- | -- | 6.77 | 7.04 | -- | 3.76 | 0.3301 | 41.83 | 0.0894 | -0.1405 | -39.53 | -28.62 | 15.33 | 4.96 |
Data as of Feb 06 2026. Currency figures normalised to White Mountains Insurance Group Ltd's reporting currency: US Dollar USD
47.03%Per cent of shares held by top holders
| Holder | Shares | % Held |
|---|---|---|
| The Vanguard Group, Inc.as of 31 Dec 2025 | 216.89k | 8.75% |
| Dimensional Fund Advisors LPas of 30 Sep 2025 | 150.69k | 6.08% |
| Neuberger Berman Investment Advisers LLCas of 30 Sep 2025 | 115.02k | 4.64% |
| River Road Asset Management LLCas of 30 Sep 2025 | 109.59k | 4.42% |
| Fuller & Thaler Asset Management, Inc.as of 30 Sep 2025 | 108.09k | 4.36% |
| Cooke & Bieler LPas of 30 Sep 2025 | 107.85k | 4.35% |
| BlackRock Fund Advisorsas of 30 Sep 2025 | 97.67k | 3.94% |
| Fiduciary Management, Inc.as of 30 Sep 2025 | 94.38k | 3.81% |
| Boston Partners Global Investors, Inc.as of 30 Sep 2025 | 84.45k | 3.41% |
| Wallace Capital Management, Inc.as of 30 Sep 2025 | 81.49k | 3.29% |
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Data from 30 Sep 2025 - 31 Dec 2025Source: FactSet Research Systems Inc.
