White Mountains Insurance Group, Ltd. (WTM)
NYSE: WTM · Real-Time Price · USD
2,165.60
-23.34 (-1.07%)
At close: Mar 6, 2026, 4:00 PM EST
2,165.63
+0.03 (0.00%)
After-hours: Mar 6, 2026, 7:00 PM EST
WTM Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 6, 2026 | 2,165.70 | 2,208.37 | 2,134.00 | 2,165.60 | 2,165.60 | -1.07% | 21,672 |
| Mar 5, 2026 | 2,213.45 | 2,234.85 | 2,181.31 | 2,188.94 | 2,188.94 | -1.57% | 19,947 |
| Mar 4, 2026 | 2,218.01 | 2,240.06 | 2,196.33 | 2,223.79 | 2,223.79 | 0.39% | 20,220 |
| Mar 3, 2026 | 2,226.39 | 2,239.83 | 2,179.00 | 2,215.09 | 2,215.09 | -1.29% | 16,959 |
| Mar 2, 2026 | 2,210.00 | 2,259.26 | 2,210.00 | 2,244.14 | 2,244.14 | 1.06% | 24,855 |
| Feb 27, 2026 | 2,217.44 | 2,239.00 | 2,185.00 | 2,220.51 | 2,220.51 | -0.11% | 21,523 |
| Feb 26, 2026 | 2,219.59 | 2,264.70 | 2,214.00 | 2,222.97 | 2,222.97 | 0.12% | 17,744 |
| Feb 25, 2026 | 2,223.50 | 2,249.80 | 2,195.00 | 2,220.28 | 2,220.28 | -0.14% | 19,506 |
| Feb 24, 2026 | 2,197.08 | 2,228.98 | 2,185.50 | 2,223.42 | 2,223.42 | 1.56% | 17,226 |
| Feb 23, 2026 | 2,235.00 | 2,240.00 | 2,182.34 | 2,189.34 | 2,189.34 | -1.74% | 14,635 |
| Feb 20, 2026 | 2,208.00 | 2,232.05 | 2,184.44 | 2,228.13 | 2,228.13 | 1.22% | 8,609 |
| Feb 19, 2026 | 2,204.79 | 2,225.00 | 2,173.16 | 2,201.23 | 2,201.23 | -0.04% | 16,180 |
| Feb 18, 2026 | 2,232.22 | 2,232.22 | 2,193.63 | 2,202.12 | 2,202.12 | -1.29% | 13,267 |
| Feb 17, 2026 | 2,195.76 | 2,246.88 | 2,184.30 | 2,230.83 | 2,230.83 | 1.95% | 17,833 |
| Feb 13, 2026 | 2,178.57 | 2,193.14 | 2,140.00 | 2,188.07 | 2,188.07 | 0.28% | 12,854 |
| Feb 12, 2026 | 2,177.69 | 2,200.00 | 2,144.00 | 2,182.01 | 2,182.01 | 1.78% | 20,290 |
| Feb 11, 2026 | 2,129.12 | 2,143.84 | 2,080.00 | 2,143.84 | 2,143.84 | 1.41% | 15,387 |
| Feb 10, 2026 | 2,098.28 | 2,130.21 | 2,078.34 | 2,114.10 | 2,114.10 | 0.73% | 21,192 |
| Feb 9, 2026 | 2,181.47 | 2,202.50 | 2,077.71 | 2,098.78 | 2,098.78 | -3.95% | 24,727 |
| Feb 6, 2026 | 2,151.00 | 2,232.50 | 2,147.85 | 2,185.00 | 2,185.00 | 2.75% | 22,891 |
| Feb 5, 2026 | 2,078.42 | 2,129.89 | 2,078.07 | 2,126.57 | 2,126.57 | 1.94% | 20,969 |
| Feb 4, 2026 | 2,063.98 | 2,098.90 | 2,063.98 | 2,086.14 | 2,086.14 | 1.45% | 11,514 |
| Feb 3, 2026 | 2,050.00 | 2,081.60 | 2,049.10 | 2,056.30 | 2,056.30 | - | 14,482 |
| Feb 2, 2026 | 2,044.80 | 2,061.03 | 2,035.01 | 2,056.36 | 2,056.36 | 0.56% | 13,914 |
| Jan 30, 2026 | 2,056.77 | 2,065.33 | 2,038.15 | 2,044.93 | 2,044.93 | -0.35% | 22,180 |
| Jan 29, 2026 | 2,047.29 | 2,063.22 | 2,014.01 | 2,052.17 | 2,052.17 | 0.64% | 15,892 |
| Jan 28, 2026 | 2,052.44 | 2,066.00 | 2,034.85 | 2,039.19 | 2,039.19 | -0.65% | 18,493 |
| Jan 27, 2026 | 2,071.37 | 2,071.37 | 2,039.92 | 2,052.44 | 2,052.44 | -1.18% | 16,985 |
| Jan 26, 2026 | 2,060.00 | 2,091.90 | 2,054.10 | 2,076.93 | 2,076.93 | 0.99% | 12,999 |
| Jan 23, 2026 | 2,072.02 | 2,076.38 | 2,049.63 | 2,056.64 | 2,056.64 | -0.74% | 8,549 |
| Jan 22, 2026 | 2,084.99 | 2,098.89 | 2,054.87 | 2,071.97 | 2,071.97 | -0.09% | 13,392 |
| 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 |