White Mountains Insurance Group, Ltd. (WTM)
NYSE: WTM · Real-Time Price · USD
2,073.85
+28.40 (1.39%)
Jan 21, 2026, 4:00 PM EST - Market closed
WTM Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jan 21, 2026 | 2,050.35 | 2,085.00 | 2,040.00 | 2,073.85 | 2,073.85 | 1.39% | 18,866 |
| Jan 20, 2026 | 2,043.27 | 2,074.00 | 2,020.00 | 2,045.45 | 2,045.45 | -0.53% | 14,296 |
| Jan 16, 2026 | 2,061.64 | 2,068.00 | 2,037.98 | 2,056.36 | 2,056.36 | -0.27% | 16,423 |
| Jan 15, 2026 | 2,084.56 | 2,098.88 | 2,059.71 | 2,061.92 | 2,061.92 | -0.72% | 14,207 |
| Jan 14, 2026 | 2,056.06 | 2,081.93 | 2,052.49 | 2,076.96 | 2,076.96 | 0.92% | 15,267 |
| Jan 13, 2026 | 2,054.63 | 2,085.70 | 2,028.90 | 2,057.99 | 2,057.99 | -0.14% | 15,911 |
| Jan 12, 2026 | 2,040.62 | 2,075.73 | 2,028.00 | 2,060.84 | 2,060.84 | 0.60% | 13,888 |
| Jan 9, 2026 | 2,071.72 | 2,095.72 | 2,043.51 | 2,048.45 | 2,048.45 | -1.26% | 16,538 |
| Jan 8, 2026 | 2,063.51 | 2,083.00 | 2,017.85 | 2,074.49 | 2,074.49 | 0.73% | 22,723 |
| Jan 7, 2026 | 2,040.43 | 2,068.06 | 2,010.00 | 2,059.54 | 2,059.54 | 0.60% | 16,137 |
| Jan 6, 2026 | 2,008.04 | 2,056.10 | 2,003.97 | 2,047.31 | 2,047.31 | -0.75% | 31,205 |
| Jan 5, 2026 | 2,036.76 | 2,072.00 | 2,032.00 | 2,062.86 | 2,062.86 | 1.03% | 17,438 |
| Jan 2, 2026 | 2,083.56 | 2,089.50 | 2,027.27 | 2,041.90 | 2,041.90 | -1.74% | 23,317 |
| Dec 31, 2025 | 2,081.94 | 2,099.42 | 2,069.19 | 2,078.03 | 2,078.03 | -0.03% | 14,059 |
| Dec 30, 2025 | 2,076.00 | 2,143.25 | 2,070.00 | 2,078.62 | 2,078.62 | 0.15% | 14,222 |
| Dec 29, 2025 | 2,069.53 | 2,081.29 | 2,057.93 | 2,075.53 | 2,075.53 | 0.64% | 11,718 |
| Dec 26, 2025 | 2,092.86 | 2,110.43 | 2,054.89 | 2,062.34 | 2,062.34 | -1.23% | 15,842 |
| Dec 24, 2025 | 2,091.00 | 2,100.00 | 2,070.95 | 2,088.05 | 2,088.05 | -0.14% | 7,675 |
| Dec 23, 2025 | 2,082.94 | 2,115.00 | 2,078.06 | 2,090.90 | 2,090.90 | 0.37% | 22,397 |
| Dec 22, 2025 | 2,026.20 | 2,097.13 | 2,015.10 | 2,083.14 | 2,083.14 | 2.01% | 22,950 |
| Dec 19, 2025 | 2,038.15 | 2,048.02 | 2,038.00 | 2,042.02 | 2,042.02 | 0.10% | 20,304 |
| Dec 18, 2025 | 2,062.94 | 2,098.80 | 2,036.00 | 2,040.00 | 2,040.00 | -0.32% | 16,929 |
| Dec 17, 2025 | 2,049.66 | 2,053.16 | 2,037.60 | 2,046.65 | 2,046.65 | 0.07% | 21,769 |
| Dec 16, 2025 | 2,068.58 | 2,092.00 | 2,027.83 | 2,045.31 | 2,045.31 | -1.11% | 29,731 |
| Dec 15, 2025 | 2,059.62 | 2,072.22 | 2,051.50 | 2,068.17 | 2,068.17 | 0.66% | 21,756 |
| Dec 12, 2025 | 2,043.85 | 2,054.85 | 2,035.44 | 2,054.51 | 2,054.51 | 0.47% | 13,719 |
| Dec 11, 2025 | 2,057.59 | 2,127.97 | 2,032.30 | 2,044.87 | 2,044.87 | 0.19% | 30,522 |
| Dec 10, 2025 | 2,021.46 | 2,045.50 | 2,014.69 | 2,040.94 | 2,040.94 | 1.10% | 23,895 |
| Dec 9, 2025 | 2,024.21 | 2,038.00 | 2,010.00 | 2,018.75 | 2,018.75 | 0.26% | 25,383 |
| Dec 8, 2025 | 2,033.00 | 2,097.49 | 2,013.11 | 2,013.52 | 2,013.52 | -1.05% | 23,327 |
| Dec 5, 2025 | 2,026.30 | 2,046.18 | 2,019.00 | 2,034.79 | 2,034.79 | -0.15% | 27,360 |
| Dec 4, 2025 | 2,023.00 | 2,050.90 | 2,020.05 | 2,037.79 | 2,037.79 | 0.60% | 17,755 |
| Dec 3, 2025 | 2,030.96 | 2,039.79 | 2,013.29 | 2,025.55 | 2,025.55 | -0.09% | 16,714 |
| Dec 2, 2025 | 2,025.20 | 2,041.50 | 2,022.30 | 2,027.41 | 2,027.41 | 0.12% | 25,833 |
| Dec 1, 2025 | 2,028.22 | 2,048.77 | 2,018.27 | 2,024.89 | 2,024.89 | 0.03% | 15,245 |
| Nov 28, 2025 | 2,030.44 | 2,042.89 | 2,023.45 | 2,024.25 | 2,024.25 | -0.24% | 9,320 |
| Nov 26, 2025 | 2,005.00 | 2,037.35 | 2,004.18 | 2,029.06 | 2,029.06 | 1.27% | 13,500 |
| Nov 25, 2025 | 2,000.84 | 2,030.40 | 2,000.00 | 2,003.65 | 2,003.65 | 0.33% | 14,533 |
| Nov 24, 2025 | 1,992.82 | 2,002.35 | 1,961.00 | 1,996.99 | 1,996.99 | -0.15% | 24,563 |
| Nov 21, 2025 | 1,959.00 | 2,013.05 | 1,959.00 | 2,000.00 | 2,000.00 | 6.29% | 26,636 |
| Nov 20, 2025 | 1,901.55 | 1,913.00 | 1,875.50 | 1,881.61 | 1,881.61 | -0.41% | 26,310 |
| Nov 19, 2025 | 1,901.30 | 1,909.89 | 1,870.00 | 1,889.30 | 1,889.30 | -0.58% | 20,702 |
| Nov 18, 2025 | 1,900.77 | 1,918.00 | 1,900.01 | 1,900.34 | 1,900.34 | 0.02% | 21,047 |
| Nov 17, 2025 | 1,931.89 | 1,943.46 | 1,900.00 | 1,900.00 | 1,900.00 | -1.28% | 13,610 |
| Nov 14, 2025 | 1,905.00 | 1,934.99 | 1,902.00 | 1,924.67 | 1,924.67 | 0.50% | 20,109 |
| Nov 13, 2025 | 1,929.38 | 1,941.13 | 1,911.42 | 1,915.09 | 1,915.09 | -1.00% | 18,377 |
| Nov 12, 2025 | 1,930.55 | 1,949.89 | 1,915.46 | 1,934.47 | 1,934.47 | 0.49% | 16,488 |
| Nov 11, 2025 | 1,906.90 | 1,935.39 | 1,902.00 | 1,925.01 | 1,925.01 | 1.22% | 15,829 |
| Nov 10, 2025 | 1,905.80 | 1,921.05 | 1,899.58 | 1,901.76 | 1,901.76 | -0.35% | 19,348 |
| Nov 7, 2025 | 1,895.00 | 1,928.75 | 1,893.02 | 1,908.46 | 1,908.46 | 0.87% | 25,051 |