8-K Announcements
6May 6, 2026·SEC
Apr 1, 2026·SEC
Feb 26, 2026·SEC
White Mountains Insurance Group, Ltd. (WTM) fundamental analysis — strengths, weaknesses & financial health based on data analysis
* These insights are generated automatically based on available financial data. Please conduct your own research before making investment decisions.
White Mountains Insurance Group, Ltd. (WTM) stock price & volume — 10-year historical chart
White Mountains Insurance Group, Ltd. (WTM) revenue, earnings & EPS growth — 3, 5 & 10-year CAGR
White Mountains Insurance Group, Ltd. (WTM) EPS & revenue vs analyst estimates — last 4 quarters
| Quarter | Date | EPS (Act vs Est) | Revenue (Act vs Est) |
|---|---|---|---|
| Q2 2026Latest | May 6, 2026 | $12.59vs $4.00+414.4% | —vs $637M |
| Q1 2026 | Feb 6, 2026 | $39.77vs $379.45-89.5% | $576Mvs $576M+0.0% |
| Q4 2025 | Nov 6, 2025 | $72.21vs $57.00+26.7% | $864M |
| Q3 2025 | Aug 7, 2025 | $47.75vs $57.00-16.2% | $689M |
White Mountains Insurance Group, Ltd. (WTM) competitors in Insurance distributors and MGAs — business model, growth, and fundamentals comparison
White Mountains Insurance Group, Ltd. (WTM) vs competitors — business, growth, and fundamentals comparison against the closest industry rivals.
White Mountains Insurance Group, Ltd. (WTM) annual income statement — 10-year revenue, gross profit & net income history
| Line item | Dec'17 | Dec'18 | Dec'19 | Dec'20 | Dec'21 | Dec'22 | Dec'23 | Dec'24 | Dec'25 | TTM |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | 373.8M | 369.1M | 893.4M | 895.6M | 614.4M | 1.16B | 2.17B | 2.35B | 2.71B | 2.5B |
| Revenue Growth % | 137.03% | -1.26% | 142.05% | 0.25% | -31.4% | 88.46% | 87.12% | 8.66% | 14.99% | 9.5% |
| Medical Costs & Claims | 5.2M | 33.7M | 70.5M | 82.3M | 581.3M | 787M | 1.02B | 1.28B | 1.25B | 921.2M |
| Medical Cost Ratio % | 1.39% | 9.13% | 7.89% | 9.19% | 94.61% | 67.97% | 46.93% | 54.42% | 46.28% | 36.82% |
| Gross Profit | 368.6M▲ 0% | 335.4M▼ 9.0% | 822.9M▲ 145.3% | 813.3M▼ 1.2% | 33.1M▼ 95.9% | 370.9M▲ 1020.5% | 1.15B▲ 210.0% | 1.07B▼ 6.7% | 1.45B▲ 35.5% | 1.21B▲ 0% |
| Gross Margin % | 98.61% | 90.87% | 92.11% | 90.81% | 5.39% | 32.03% | 53.07% | 45.58% | 53.72% | 48.3% |
| Gross Profit Growth % | 155.79% | -9.01% | 145.35% | -1.17% | -95.93% | 1020.54% | 210% | -6.68% | 35.55% | - |
| Operating Expenses | 360.8M | 513.6M | 417.8M | 152.9M | 306.7M | 520.3M | 584.4M | 756.3M | 125.7M | 100.1M |
| OpEx / Revenue % | 96.52% | 139.15% | 46.77% | 17.07% | 49.92% | 44.93% | 26.97% | 32.12% | 4.64% | 4% |
| Depreciation & Amortization | 22.4M | 25.7M | 29.8M | 9.6M | 21.6M | 4.3M | -17.8M | -6.4M | 2.6M | 1.5M |
| Combined Ratio % | 97.91% | 148.28% | 54.66% | 26.26% | 144.53% | 112.9% | 73.91% | 86.55% | 50.92% | 40.82% |
| Operating Income | 7.8M▲ 0% | -178.2M▼ 2384.6% | 405.1M▲ 327.3% | 660.4M▲ 63.0% | -273.6M▼ 141.4% | -149.4M▲ 45.4% | 565.4M▲ 478.4% | 316.7M▼ 44.0% | 1.33B▲ 319.5% | 1.11B▲ 0% |
| Operating Margin % | 2.09% | -48.28% | 45.34% | 73.74% | -44.53% | -12.9% | 26.09% | 13.45% | 49.08% | 44.29% |
| Operating Income Growth % | 105.3% | -2384.62% | 327.33% | 63.02% | -141.43% | 45.39% | 478.45% | -43.99% | 319.55% | - |
| EBITDA | 30.2M | -152.5M | 434.9M | 670M | -252M | -145.1M | 547.6M | 310.3M | 1.33B | 1.13B |
| EBITDA Margin % | 8.08% | -41.32% | 48.68% | 74.81% | -41.02% | -12.53% | 25.27% | 13.18% | 49.17% | 45.24% |
| Interest Expense | 2.3M | 9.5M | 17.6M | 7.4M | 20.5M | 40.3M | 62.7M | 60.8M | 58.8M | 45.1M |
| Non-Operating Income | -2.3M | -9.5M | -17.6M | -7.4M | -20.5M | -40.3M | -62.7M | -60.8M | -78.4M | -60.6M |
| Pretax Income | 7.8M▲ 0% | -178.2M▼ 2384.6% | 405.1M▲ 327.3% | 660.4M▲ 63.0% | -273.6M▼ 141.4% | -149.4M▲ 45.4% | 565.4M▲ 478.4% | 316.7M▼ 44.0% | 1.33B▲ 319.5% | 1.23B▲ 0% |
| Pretax Margin % | 2.09% | -48.28% | 45.34% | 73.74% | -44.53% | -12.9% | 26.09% | 13.45% | 49.08% | 49.09% |
| Income Tax | -7.8M | -4M | 29.3M | -14.8M | 44.4M | 41.4M | -15.5M | 32.6M | 126.9M | 116.5M |
| Effective Tax Rate % | -100% | 2.24% | 7.23% | -2.24% | -16.23% | -27.71% | -2.74% | 10.29% | 9.55% | 9.48% |
| Net Income | 627.2M▲ 0% | -141.2M▼ 122.5% | 414.5M▲ 393.6% | 708.7M▲ 71.0% | -275.4M▼ 138.9% | 792.8M▲ 387.9% | 509.2M▼ 35.8% | 230.4M▼ 54.8% | 1.11B▲ 380.2% | 1.05B▲ 0% |
| Net Margin % | 167.79% | -38.26% | 46.4% | 79.13% | -44.82% | 68.47% | 23.5% | 9.79% | 40.87% | 41.78% |
| Net Income Growth % | 56.1% | -122.51% | 393.56% | 70.98% | -138.86% | 387.87% | -35.77% | -54.75% | 380.21% | 3646.59% |
| EPS (Diluted) | 146.06▲ 0% | -41.76▼ 128.6% | 130.27▲ 411.9% | 227.72▲ 74.8% | -89.46▼ 139.3% | 276.96▲ 409.6% | 198.63▼ 28.3% | 89.79▼ 54.8% | 430.14▲ 379.1% | -▲ 0% |
| EPS Growth % | 77.71% | -128.59% | 411.95% | 74.81% | -139.29% | 409.59% | -28.28% | -54.8% | 379.05% | 3563.9% |
| EPS (Basic) | 146.06 | -41.76 | 130.27 | 227.72 | -89.46 | 276.96 | 198.63 | 89.79 | 430.14 | - |
| Diluted Shares Outstanding | 4.29M | 3.34M | 3.14M | 3.08M | 3.04M | 2.83M | 2.53M | 2.53M | 2.55M | 0 |
White Mountains Insurance Group, Ltd. (WTM) balance sheet — assets, liabilities & shareholders' equity
| Line item | Dec'17 | Dec'18 | Dec'19 | Dec'20 | Dec'21 | Dec'22 | Dec'23 | Dec'24 | Dec'25 | TTM |
|---|---|---|---|---|---|---|---|---|---|---|
| Total Assets | 3.66B | 3.36B | 3.98B | 4.83B | 7B | 7.39B | 8.39B | 9.93B | 12.31B | 7.13B |
| Asset Growth % | -43.88% | -8.11% | 18.46% | 21.29% | 44.9% | 5.55% | 13.49% | 18.36% | 23.99% | 24.52% |
| Total Investment Assets | 3.35B | 2.54B | 2.95B | 2.94B | 4.26B | 5.17B | 6.39B | 5.29B | 8.57B | 3M |
| Long-Term Investments | 3.17B | 2.22B | 2.27B | 2.15B | 3.8B | 3B | 3.49B | 4.33B | 5.61B | 16.04B |
| Short-Term Investments | 176.1M | 214.2M | 201.2M | 142.8M | 458.1M | 924.1M | 1.49B | 964.2M | 2.96B | 0 |
| Total Current Assets | 331.1M | 60.3M | 0 | 0 | 0 | 0 | 0 | 3.05B | 4.91B | 97.3M |
| Cash & Equivalents | 97.1M | 110.3M | 161M | 211.2M | 147.7M | 255M | 121.7M | 252.3M | 184.9M | 97.3M |
| Receivables | 57.8M | 87.4M | 86.5M | 83.6M | 871.3M | 1.15B | 1.06B | 1.83B | 1.77B | 6.38B |
| Other Current Assets | 0 | 0 | -448.7M | -437.6M | -1.54B | -2.38B | -2.67B | 0 | 0 | 0 |
| Goodwill & Intangibles | 62.1M | 537.5M | 654.7M | 782.4M | 340.5M | 392.4M | 370.6M | 720.3M | 1.33B | 3.54B |
| Goodwill | 25.9M | 379.9M | 394.7M | 0 | 142.3M | 176.5M | 168.8M | 439.2M | 0 | 292.5M |
| Intangible Assets | 36.2M | 157.6M | 260M | 0 | 198.2M | 215.9M | 201.8M | 281.1M | 1.33B | 0 |
| PP&E (Net) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 32.6M | 0 | 0 |
| Other Assets | -3.22B | 0 | -2.93B | -2.93B | 2.86B | 4B | 4.53B | -4.79B | 457.6M | 0 |
| Total Liabilities | 298.4M | 644.4M | 838.5M | 1.01B | 3.3B | 3.45B | 3.82B | 4.79B | 6.05B | 5.59B |
| Total Debt | 23.8M | 192.7M | 283.5M | 376.4M | 639.1M | 575.2M | 564.6M | 562.5M | 837M | 0 |
| Net Debt | -73.3M | 82.4M | 122.5M | 165.2M | 491.4M | 320.2M | 442.9M | 310.2M | 652.1M | -97.3M |
| Long-Term Debt | 23.8M | 192.7M | 12.5M | 290.1M | 420.9M | 575.2M | 564.6M | 562.5M | 837M | 0 |
| Short-Term Debt | 0 | 0 | 271M | 86.3M | 218.2M | 5.4M | 0 | 7.3M | 0 | 0 |
| Total Current Liabilities | 32.2M | 111.4M | 0 | 0 | 0 | 2.58B | 0 | 237.6M | 4.33B | 0 |
| Accounts Payable | 32.2M | 104.2M | 102.3M | 113.4M | 424.1M | 251.1M | 81.1M | 237.6M | 367.5M | 0 |
| Deferred Revenue | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.36B | 0 |
| Other Current Liabilities | 0 | 0 | -373.3M | -199.7M | -642.3M | 2.33B | -81.1M | -7.3M | 2.49B | 0 |
| Deferred Taxes | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Liabilities | 182.4M | 365.4M | -12.5M | -290.1M | 2.88B | 1.7B | 3.26B | 3.99B | 885.8M | 5.59B |
| Total Equity | 3.36B▲ 0% | 2.72B▼ 19.1% | 3.14B▲ 15.7% | 3.82B▲ 21.4% | 3.7B▼ 3.0% | 3.94B▲ 6.2% | 4.56B▲ 15.9% | 5.13B▲ 12.5% | 6.26B▲ 21.9% | 1.55B▲ 0% |
| Equity Growth % | -9.56% | -19.12% | 15.69% | 21.41% | -2.96% | 6.22% | 15.92% | 12.48% | 21.91% | -29.69% |
| Shareholders Equity | 3.49B | 2.84B | 3.26B | 3.91B | 3.55B | 3.75B | 4.24B | 4.48B | 5.43B | 5.37B |
| Minority Interest | -131.7M | -124.9M | -116.8M | -88.1M | 156.6M | 188.1M | 321.1M | 647.3M | 829.7M | 131.5M |
| Retained Earnings | 2.82B | 2.26B | 2.67B | 3.31B | 2.96B | 3.21B | 3.69B | 3.92B | 4.85B | 4.79B |
| Common Stock | 3.8M | 3.2M | 3.2M | 3.1M | 3M | 2.6M | 2.6M | 2.6M | 579M | 581.3M |
| Accumulated OCI | -1.3M | -5.8M | -7.2M | -400K | 1.7M | -3.5M | -1.6M | -1.7M | 800K | 0 |
| Return on Equity (ROE) | 17.73% | -4.65% | 14.14% | 20.36% | -7.32% | 20.75% | 11.99% | 4.75% | 19.43% | 22.17% |
| Return on Assets (ROA) | 12.32% | -4.02% | 11.29% | 16.08% | -4.66% | 11.02% | 6.46% | 2.52% | 9.95% | 9.59% |
| Equity / Assets | 91.85% | 80.84% | 78.95% | 79.02% | 52.92% | 53.25% | 54.4% | 51.69% | 50.83% | 21.69% |
| Debt / Equity | 0.01x | 0.07x | 0.09x | 0.10x | 0.17x | 0.15x | 0.12x | 0.11x | 0.13x | 0.13x |
| Book Value per Share | 782.65 | 813.25 | 1001.15 | 1239.01 | 1217.65 | 1392.33 | 1804.93 | 2026.46 | 2448.98 | 624.67 |
| Tangible BV per Share | 768.19 | 652.44 | 792.72 | 1239.01 | 1105.74 | 1253.49 | 1658.29 | 1741.98 | 1928.97 | - |
White Mountains Insurance Group, Ltd. (WTM) cash flow — operating, investing & free cash flow history
| Line item | Dec'17 | Dec'18 | Dec'19 | Dec'20 | Dec'21 | Dec'22 | Dec'23 | Dec'24 | Dec'25 | TTM |
|---|---|---|---|---|---|---|---|---|---|---|
| Cash from Operations | -62.4M | -31.1M | -120.5M | -12.8M | 98.2M | 434M | 404.1M | 586.8M | -7.2M | -7.2M |
| Operating CF Growth % | 52.22% | 50.16% | -287.46% | 89.38% | 867.19% | 341.96% | -6.89% | 45.21% | -101.23% | 178.56% |
| Operating CF / Revenue % | -16.69% | -8.43% | -13.49% | -1.43% | 15.98% | 37.48% | 18.65% | 24.92% | -0.27% | -0.29% |
| Net Income | 36.1M | -174.2M | 414.5M | 701.7M | -268.3M | 792.8M | 509.2M | 284.1M | 1.11B | 1.05B |
| Depreciation & Amortization | 22.4M | 25.7M | 29.8M | 0 | 0 | 4.3M | -17.8M | -6.4M | 0 | 5.6M |
| Stock-Based Compensation | 0 | 13M | 0 | 0 | 0 | 66.1M | 15.3M | 0 | 20.3M | -51.6M |
| Deferred Taxes | -11.4M | -8.4M | 24.8M | 0 | 0 | 0 | 0 | 11.1M | 0 | 7.7M |
| Other Non-Cash Items | -139M | 108.3M | -647.3M | -659.1M | 392.5M | -547M | -449.3M | -58.5M | -1.38B | -829.3M |
| Working Capital Changes | 29.5M | 4.5M | 57.7M | -55.4M | -26M | 117.8M | 346.7M | 356.5M | 248.4M | 361.5M |
| Cash from Investing | 715.5M | 459.2M | -59.9M | 65.5M | -204M | 155.7M | -543.9M | -447M | 212.7M | -776.7M |
| Capital Expenditures | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Acquisitions | 1.1B | -295.2M | -258M | -56.5M | 80M | -67.9M | 87.1M | -215.6M | 0 | -336.6M |
| Purchase of Investments | -3.33B | -1.39B | -746.7M | -648.3M | -1.64B | 0 | -1.47B | -1.99B | 0 | -1.52B |
| Sale/Maturity of Investments | 2.76B | 2.16B | 942.7M | 1.42B | 721.9M | 0 | 793.2M | 1.56B | 0 | 715.7M |
| Other Investing | 180.9M | -10.6M | 2.1M | -646.7M | 634.9M | 223.6M | 43.7M | 200.6M | 212.7M | 368.9M |
| Cash from Financing | -637.1M | -414.3M | 230.5M | -21.8M | 149.2M | -461.8M | 7.2M | 4.2M | -205.2M | -27M |
| Dividends Paid | -4.6M | -3.8M | -3.2M | -3.2M | -3.1M | -3M | -2.6M | -2.5M | -2.6M | -2.4M |
| Share Repurchases | -714.6M | -511.9M | -62.7M | -78.5M | -107.5M | -615.8M | -32.7M | -7.9M | -202.6M | -218.6M |
| Stock Issued | 0 | 0 | 62.7M | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Debt Issuance (Net) | 1000K | 1000K | 1000K | 1000K | 1000K | 1000K | -1000K | -1000K | 1000K | 3M |
| Other Financing | 71.1M | 32.7M | 50.2M | -20.2M | -21.8M | -100K | 55.8M | 16.1M | -277.2M | 6.2M |
| Net Change in Cash | 16.9M▲ 0% | 13.2M▼ 21.9% | 50.7M▲ 284.1% | 696.5M▲ 1273.8% | -709.8M▼ 201.9% | 107.3M▲ 115.1% | -132.6M▼ 223.6% | 144M▲ 208.6% | 300K▼ 99.8% | -38.9M▲ 0% |
| Exchange Rate Effect | 0 | -600K | 600K | 665.6M | -753.2M | -20.6M | 0 | 0 | 0 | 136.1M |
| Cash at Beginning | 80.2M | 97.1M | 110.3M | 161M | 857.5M | 147.7M | 255M | 122.4M | 100K | 185.6M |
| Cash at End | 97.1M | 110.3M | 161M | 857.5M | 147.7M | 255M | 122.4M | 266.4M | 400K | 137M |
| Free Cash Flow | 133M▲ 0% | -31.1M▼ 123.4% | -120.5M▼ 287.5% | -12.8M▲ 89.4% | 98.2M▲ 867.2% | 434M▲ 342.0% | 404.1M▼ 6.9% | 586.8M▲ 45.2% | -7.2M▼ 101.2% | 628.7M▲ 0% |
| FCF Growth % | 198.59% | -123.38% | -287.46% | 89.38% | 867.19% | 341.96% | -6.89% | 45.21% | -101.23% | 17.58% |
| FCF Margin % | 35.58% | -8.43% | -13.49% | -1.43% | 15.98% | 37.48% | 18.65% | 24.92% | -0.27% | 25.13% |
| FCF per Share | 30.97 | -9.3 | -38.36 | -4.15 | 32.28 | 153.56 | 159.89 | 231.75 | -2.82 | -2.82 |
White Mountains Insurance Group, Ltd. (WTM) financial ratios — P/E, ROE, debt and 30+ core market and balance-sheet ratios
| Metric | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | TTM |
|---|---|---|---|---|---|---|---|---|---|---|
| Combined Ratio | 97.91% | 148.28% | 54.66% | 26.26% | 144.53% | 112.9% | 73.91% | 86.55% | 50.92% | 40.82% |
| Medical Cost Ratio | 1.39% | 9.13% | 7.89% | 9.19% | 94.61% | 67.97% | 46.93% | 54.42% | 46.28% | 36.82% |
| Return on Equity (ROE) | 17.73% | -4.65% | 14.14% | 20.36% | -7.32% | 20.75% | 11.99% | 4.75% | 19.43% | 22.17% |
| Return on Assets (ROA) | 12.32% | -4.02% | 11.29% | 16.08% | -4.66% | 11.02% | 6.46% | 2.52% | 9.95% | 9.59% |
| Equity / Assets | 91.85% | 80.84% | 78.95% | 79.02% | 52.92% | 53.25% | 54.4% | 51.69% | 50.83% | 21.69% |
| Book Value / Share | 782.65 | 813.25 | 1K | 1.24K | 1.22K | 1.39K | 1.8K | 2.03K | 2.45K | 624.67 |
| Debt / Equity | 0.01x | 0.07x | 0.09x | 0.10x | 0.17x | 0.15x | 0.12x | 0.11x | 0.13x | 0.13x |
| Revenue Growth | 137.03% | -1.26% | 142.05% | 0.25% | -31.4% | 88.46% | 87.12% | 8.66% | 14.99% | 9.5% |
White Mountains Insurance Group, Ltd. (WTM) SEC filings — annual & quarterly reports (10-K, 10-Q)
May 6, 2026·SEC
Apr 1, 2026·SEC
Feb 26, 2026·SEC
White Mountains Insurance Group, Ltd. (WTM) stock FAQ — growth, dividends, profitability & financials explained
White Mountains Insurance Group, Ltd. (WTM) grew revenue by 15.0% over the past year. This is steady growth.
Yes, White Mountains Insurance Group, Ltd. (WTM) is profitable, generating $1.05B in net income for fiscal year 2025 (40.9% net margin).
White Mountains Insurance Group, Ltd. (WTM) does not currently pay a meaningful dividend. The company may be reinvesting profits for growth.
White Mountains Insurance Group, Ltd. (WTM) has a return on equity (ROE) of 19.4%. This is reasonable for most industries.
White Mountains Insurance Group, Ltd. (WTM) has a combined ratio of 50.9%. A ratio below 100% indicates underwriting profitability.
White Mountains Insurance Group, Ltd. (WTM) financial analysis — history, returns, DCA and operating performance tools
Historical returns with dividends reinvested
Dollar cost averaging vs lump sum
Yield, growth, payout safety & DRIP
EPS trends, net income & profitability
Long-term charts & historical price data
Sales growth patterns & revenue breakdown
30 years of market, efficiency and balance-sheet ratios
DCF intrinsic value, peer multiples & estimates