White Mountains Insurance Group, Ltd. Common Stock (WTM)
2,038.33
-15.31 (-0.75%)
NYSE · Last Trade: Sep 23rd, 3:27 PM EDT
Historical Prices For White Mountains Insurance Group, Ltd. Common Stock (WTM)
| Date | Open | High | Low | Close | Volume | Adjusted Close |
|---|---|---|---|---|---|---|
| 9/22/2026 | 2,056.85 | 2,067.18 | 2,037.57 | 2,053.64 | 16,122 | 2,053.64 |
| 9/21/2026 | 2,062.78 | 2,076.53 | 2,049.62 | 2,056.85 | 18,124 | 2,056.85 |
| 9/18/2026 | 2,052.91 | 2,084.14 | 2,029.15 | 2,061.30 | 39,109 | 2,061.30 |
| 9/17/2026 | 2,075.00 | 2,088.29 | 2,039.97 | 2,058.32 | 23,652 | 2,058.32 |
| 9/16/2026 | 2,041.02 | 2,074.41 | 2,040.01 | 2,062.37 | 33,029 | 2,062.37 |
| 9/15/2026 | 2,057.63 | 2,057.63 | 2,027.64 | 2,045.94 | 19,654 | 2,045.94 |
| 9/14/2026 | 2,068.77 | 2,070.02 | 2,045.03 | 2,057.00 | 17,262 | 2,057.00 |
| 9/11/2026 | 2,086.68 | 2,098.40 | 2,042.58 | 2,053.15 | 20,090 | 2,053.15 |
| 9/10/2026 | 2,062.20 | 2,084.12 | 2,043.14 | 2,075.99 | 30,073 | 2,075.99 |
| 9/09/2026 | 2,051.63 | 2,055.70 | 2,037.00 | 2,050.81 | 16,400 | 2,050.81 |
| 9/08/2026 | 2,083.32 | 2,091.42 | 2,050.01 | 2,052.48 | 27,067 | 2,052.48 |
| 9/04/2026 | 2,100.00 | 2,117.80 | 2,073.35 | 2,103.49 | 24,921 | 2,103.49 |
| 9/03/2026 | 2,115.00 | 2,139.89 | 2,081.01 | 2,112.23 | 21,772 | 2,112.23 |
| 9/02/2026 | 2,099.03 | 2,129.10 | 2,088.33 | 2,104.75 | 20,086 | 2,104.75 |
| 9/01/2026 | 2,107.85 | 2,125.76 | 2,093.43 | 2,098.96 | 22,104 | 2,098.96 |
| 8/31/2026 | 2,130.43 | 2,135.00 | 2,093.54 | 2,102.01 | 21,811 | 2,102.01 |
| 8/28/2026 | 2,133.03 | 2,150.00 | 2,117.49 | 2,135.41 | 18,407 | 2,135.41 |
| 8/27/2026 | 2,125.01 | 2,145.00 | 2,105.61 | 2,127.57 | 23,495 | 2,127.57 |
| 8/26/2026 | 2,134.74 | 2,165.00 | 2,126.92 | 2,132.74 | 16,135 | 2,132.74 |
| 8/25/2026 | 2,135.75 | 2,146.04 | 2,120.00 | 2,141.20 | 13,651 | 2,141.20 |
| 8/24/2026 | 2,100.08 | 2,146.50 | 2,100.08 | 2,132.30 | 19,597 | 2,132.30 |
| 8/21/2026 | 2,101.86 | 2,140.29 | 2,101.86 | 2,110.95 | 28,889 | 2,110.95 |
| 8/20/2026 | 2,123.90 | 2,131.84 | 2,095.01 | 2,117.70 | 21,888 | 2,117.70 |
| 8/19/2026 | 2,130.79 | 2,150.84 | 2,107.66 | 2,129.20 | 20,038 | 2,129.20 |
| 8/18/2026 | 2,125.49 | 2,157.70 | 2,090.00 | 2,145.46 | 22,586 | 2,145.46 |
| 8/17/2026 | 2,130.23 | 2,145.48 | 2,107.78 | 2,113.40 | 17,250 | 2,113.40 |
| 8/14/2026 | 2,137.82 | 2,145.00 | 2,121.09 | 2,137.12 | 14,311 | 2,137.12 |
| 8/13/2026 | 2,115.01 | 2,141.76 | 2,096.72 | 2,141.42 | 28,680 | 2,141.42 |
| 8/12/2026 | 2,134.01 | 2,152.19 | 2,094.04 | 2,119.46 | 27,107 | 2,119.46 |
| 8/11/2026 | 2,112.16 | 2,126.99 | 2,093.63 | 2,112.01 | 21,081 | 2,112.01 |
| 8/10/2026 | 2,148.61 | 2,172.18 | 2,107.87 | 2,109.68 | 27,211 | 2,109.68 |
| 8/07/2026 | 2,132.00 | 2,168.31 | 2,112.60 | 2,149.44 | 30,154 | 2,149.44 |
| 8/06/2026 | 2,137.73 | 2,151.20 | 2,112.92 | 2,141.09 | 28,925 | 2,141.09 |
| 8/05/2026 | 2,136.50 | 2,136.50 | 2,095.43 | 2,111.91 | 19,313 | 2,111.91 |
| 8/04/2026 | 2,098.30 | 2,127.88 | 2,070.00 | 2,117.86 | 23,711 | 2,117.86 |
| 8/03/2026 | 2,119.19 | 2,136.00 | 2,086.77 | 2,101.47 | 19,946 | 2,101.47 |
| 7/31/2026 | 2,105.57 | 2,129.31 | 2,084.99 | 2,097.73 | 12,687 | 2,097.73 |
| 7/30/2026 | 2,151.30 | 2,151.30 | 2,087.20 | 2,118.61 | 19,098 | 2,118.61 |
| 7/29/2026 | 2,186.21 | 2,211.00 | 2,125.64 | 2,150.34 | 21,164 | 2,150.34 |
| 7/28/2026 | 2,175.60 | 2,218.61 | 2,171.30 | 2,202.61 | 17,250 | 2,202.61 |
| 7/27/2026 | 2,201.75 | 2,231.00 | 2,182.58 | 2,193.94 | 18,597 | 2,193.94 |
| 7/24/2026 | 2,178.36 | 2,233.66 | 2,158.61 | 2,208.05 | 11,798 | 2,208.05 |
| 7/23/2026 | 2,176.75 | 2,208.00 | 2,146.50 | 2,176.85 | 12,488 | 2,176.85 |
| 7/22/2026 | 2,192.00 | 2,211.04 | 2,161.29 | 2,182.32 | 16,142 | 2,182.32 |
| 7/21/2026 | 2,201.51 | 2,222.50 | 2,167.98 | 2,193.26 | 13,537 | 2,193.26 |
| 7/20/2026 | 2,214.50 | 2,249.05 | 2,209.73 | 2,211.22 | 16,081 | 2,211.22 |
| 7/17/2026 | 2,198.24 | 2,239.95 | 2,198.24 | 2,211.52 | 12,572 | 2,211.52 |
| 7/16/2026 | 2,126.10 | 2,203.64 | 2,126.10 | 2,196.48 | 21,220 | 2,196.48 |
| 7/15/2026 | 2,162.60 | 2,173.75 | 2,125.83 | 2,139.73 | 15,268 | 2,139.73 |
| 7/14/2026 | 2,162.51 | 2,187.93 | 2,146.35 | 2,167.79 | 21,216 | 2,167.79 |
| 7/13/2026 | 2,192.70 | 2,203.36 | 2,157.50 | 2,174.96 | 15,971 | 2,174.96 |
| 7/10/2026 | 2,197.99 | 2,199.15 | 2,165.09 | 2,181.19 | 18,517 | 2,181.19 |
| 7/09/2026 | 2,167.02 | 2,189.81 | 2,159.73 | 2,185.23 | 25,905 | 2,185.23 |
| 7/08/2026 | 2,164.98 | 2,179.58 | 2,147.50 | 2,167.25 | 18,391 | 2,167.25 |
| 7/07/2026 | 2,176.00 | 2,198.87 | 2,161.90 | 2,165.85 | 14,274 | 2,165.85 |
| 7/06/2026 | 2,165.26 | 2,182.90 | 2,145.32 | 2,166.27 | 14,650 | 2,166.27 |
| 7/02/2026 | 2,090.00 | 2,186.81 | 2,068.59 | 2,173.81 | 25,519 | 2,173.81 |
| 7/01/2026 | 2,077.50 | 2,101.10 | 2,050.00 | 2,064.04 | 17,589 | 2,064.04 |
| 6/30/2026 | 2,075.60 | 2,098.50 | 2,057.34 | 2,073.39 | 16,685 | 2,073.39 |
| 6/29/2026 | 2,085.79 | 2,104.79 | 2,064.64 | 2,090.94 | 13,246 | 2,090.94 |
| 6/26/2026 | 2,023.79 | 2,096.56 | 2,023.79 | 2,096.56 | 26,274 | 2,096.56 |
| 6/25/2026 | 2,021.78 | 2,048.66 | 2,009.02 | 2,019.70 | 14,353 | 2,019.70 |
| 6/24/2026 | 2,026.75 | 2,044.04 | 2,006.15 | 2,022.41 | 13,815 | 2,022.41 |
| 6/23/2026 | 2,015.36 | 2,028.34 | 2,001.99 | 2,023.63 | 16,377 | 2,023.63 |