White Mountains Insurance Group - 15 Year Stock Price History | WTM
Historical daily share price chart and data for White Mountains Insurance Group since 2011 adjusted for splits and dividends. The latest closing stock price for White Mountains Insurance Group as of September 04, 2026 is 2103.49.
- The all-time high White Mountains Insurance Group stock closing price was 2319.41 on April 17, 2026.
- The White Mountains Insurance Group 52-week high stock price is 2333.00, which is 10.9% above the current share price.
- The White Mountains Insurance Group 52-week low stock price is 1648.00, which is 21.7% below the current share price.
- The average White Mountains Insurance Group stock price for the last 52 weeks is 2068.16.
| White Mountains Insurance Group Historical Annual Stock Price Data | ||||||
|---|---|---|---|---|---|---|
| Year | Average Stock Price | Year Open | Year High | Year Low | Year Close | Annual % Change |
| 2026 | 2141.3508 | 2040.9700 | 2319.4100 | 1989.5400 | 2103.4900 | 1.27% |
| 2025 | 1849.2061 | 1927.1700 | 2089.9500 | 1649.7500 | 2077.0800 | 6.89% |
| 2024 | 1768.6965 | 1507.6300 | 2013.0100 | 1472.7200 | 1943.1400 | 29.31% |
| 2023 | 1463.7752 | 1393.6100 | 1604.6200 | 1317.0100 | 1502.6800 | 6.49% |
| 2022 | 1212.5550 | 1006.9800 | 1419.5700 | 1003.1200 | 1411.1000 | 39.63% |
| 2021 | 1110.7476 | 1010.4600 | 1262.3600 | 983.7130 | 1010.6300 | 1.41% |
| 2020 | 930.7237 | 1116.9600 | 1158.3600 | 693.2050 | 996.5840 | -10.19% |
| 2019 | 1002.1739 | 849.5520 | 1123.1400 | 845.3290 | 1109.6100 | 30.20% |
| 2018 | 875.7578 | 841.6110 | 972.7720 | 783.0590 | 852.2250 | 0.88% |
| 2017 | 867.3871 | 842.2260 | 938.7800 | 832.2230 | 844.8170 | 1.93% |
| 2016 | 799.8806 | 712.9720 | 860.4660 | 692.5270 | 828.7930 | 15.17% |
| 2015 | 695.5911 | 624.7800 | 799.9800 | 610.9400 | 719.5960 | 15.52% |
| 2014 | 602.9950 | 592.9770 | 667.0020 | 551.9230 | 622.9110 | 4.66% |
| 2013 | 569.7332 | 515.7010 | 602.4910 | 515.7010 | 595.1680 | 17.31% |
| 2012 | 500.7283 | 448.1490 | 539.5110 | 432.5180 | 507.3280 | 13.80% |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Finance | Property, Casualty and Title Insurance | $5.020B | $3.735B |
| White Mountains Insurance Group, Ltd. is engaged in the business of property and casualty insurance and reinsurance. | |||
| Stock Name | Country | Market Cap | PE Ratio |
|---|---|---|---|
| Berkshire Hathaway (BRK.A) | United States | $1083.699B | 22.74 |
| Berkshire Hathaway (BRK.B) | United States | $1083.264B | 22.73 |
| Chubb (CB) | Switzerland | $131.785B | 11.74 |
| Progressive (PGR) | United States | $127.291B | 11.82 |
| Sampo (SAXPY) | Finland | $119.123B | 17.66 |
| Tokio Marine Holdings (TKOMY) | Japan | $99.117B | 18.91 |
| Travelers (TRV) | United States | $77.037B | 9.98 |
| Allstate (ALL) | United States | $65.634B | 5.75 |
| MS&AD Insurances (MSADY) | Japan | $49.881B | 7.77 |
| Hartford Insurance (HIG) | United States | $37.481B | 9.64 |
| Fairfax Financial Holdings (FRFHF) | Canada | $34.424B | 8.10 |
| Intact Financial (IFCZF) | Canada | $33.980B | 15.26 |
| Arch Capital Group (ACGL) | Bermuda | $33.475B | 9.07 |
| Cincinnati Financial (CINF) | United States | $26.260B | 17.55 |
| W.R Berkley (WRB) | United States | $25.667B | 14.40 |
| RenaissanceRe Holdings (RNR) | Bermuda | $13.728B | 5.94 |
| CNA Financial (CNA) | United States | $13.116B | 10.36 |
| American Financial (AFG) | United States | $11.835B | 12.27 |
| Kinsale Capital (KNSL) | United States | $8.500B | 17.22 |
| Hanover Insurance (THG) | United States | $7.952B | 10.65 |
| First American Financial (FAF) | United States | $7.428B | 10.25 |
| Axis Capital Holdings (AXS) | Bermuda | $7.380B | 7.93 |
| Essent Group (ESNT) | Bermuda | $6.218B | 9.65 |
| Mercury General (MCY) | United States | $5.790B | 7.19 |
| RLI (RLI) | United States | $5.727B | 18.19 |
| Selective Insurance (SIGI) | United States | $5.492B | 11.58 |
| Hagerty (HGTY) | United States | $4.656B | 90.33 |
| Palomar Holdings (PLMR) | United States | $3.594B | 17.01 |
| NMI Holdings Inc (NMIH) | United States | $3.372B | 8.84 |
| Skyward Specialty Insurance (SKWD) | United States | $2.546B | 12.02 |
| HCI (HCI) | United States | $2.334B | 8.09 |
| Stewart Information Services (STC) | United States | $2.061B | 12.37 |
| Safety Insurance (SAFT) | United States | $1.514B | 23.99 |
| Exzeo (XZO) | United States | $1.491B | 16.89 |
| United Fire (UFCS) | United States | $1.439B | 10.25 |
| ProAssurance (PRA) | United States | $1.290B | 14.37 |
| Donegal (DGICA) | United States | $1.283B | 10.40 |
| UNIVERSAL INSURANCE HOLDINGS INC (UVE) | United States | $1.228B | 5.99 |
| Bowhead Specialty Holdings (BOW) | United States | $1.109B | 17.71 |
| Heritage Insurance Holdings (HRTG) | United States | $1.009B | 4.84 |
| Donegal (DGICB) | United States | $0.919B | 14.31 |
| Root (ROOT) | United States | $0.877B | 16.31 |
| Investors Title (ITIC) | United States | $0.563B | 13.96 |
| American Integrity Insurance (AII) | United States | $0.509B | 5.62 |
| Greenlight Capital Re (GLRE) | Cayman Islands | $0.503B | 10.49 |
| American Coastal Insurance (ACIC) | United States | $0.451B | 5.18 |
| Global Indemnity (GBLI) | United States | $0.444B | 11.33 |
| Kingsway Financial Services (KFS) | United States | $0.329B | 0.00 |
| NI Holdings (NODK) | United States | $0.311B | 40.16 |
| Kingsway (KWY) | United States | $0.299B | 0.00 |
| Kingstone (KINS) | United States | $0.289B | 7.98 |
| First Acceptance (FACO) | United States | $0.222B | 6.06 |
| Roadzen (RDZN) | United States | $0.110B | 0.00 |