5 DAY PERFORMANCE
+2.18%
1 MONTH PERFORMANCE
-1.03%
3 MONTH PERFORMANCE
+2.44%
6 MONTH PERFORMANCE
-1.90%
YEAR-TO-DATE PERFORMANCE
+3.15%
1 YEAR PERFORMANCE
+22.46%
White Mountains Insurance Group, Ltd. Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 08/07/2026 | $2,132.00 | $2,135.97 (0.19%) | $2,142.50 | $2,113.00 | 9.63 K | |
| 08/06/2026 | $2,137.73 | $2,141.09 (0.16%) | $2,151.20 | $2,112.92 | 28.93 K | $5.15 B |
| 08/05/2026 | $2,136.50 | $2,111.91 (-1.15%) | $2,136.50 | $2,095.43 | 19.31 K | $5.08 B |
| 08/04/2026 | $2,098.30 | $2,117.86 (0.93%) | $2,127.88 | $2,070.00 | 23.71 K | $5.10 B |
| 08/03/2026 | $2,119.19 | $2,101.47 (-0.84%) | $2,136.00 | $2,086.77 | 19.95 K | $5.06 B |
| 07/31/2026 | $2,105.57 | $2,097.73 (-0.37%) | $2,129.32 | $2,084.99 | 12.70 K | $5.36 B |
| 07/30/2026 | $2,151.30 | $2,118.61 (-1.52%) | $2,151.30 | $2,087.20 | 19.10 K | $5.41 B |
| 07/29/2026 | $2,186.21 | $2,150.34 (-1.64%) | $2,211.00 | $2,125.64 | 21.20 K | $5.49 B |
| 07/28/2026 | $2,175.60 | $2,202.61 (1.24%) | $2,218.61 | $2,171.30 | 17.25 K | $5.63 B |
| 07/27/2026 | $2,201.75 | $2,193.94 (-0.35%) | $2,231.00 | $2,182.58 | 18.60 K | $5.60 B |
| 07/24/2026 | $2,178.36 | $2,208.05 (1.36%) | $2,233.66 | $2,158.61 | 11.80 K | $5.64 B |
| 07/23/2026 | $2,176.75 | $2,176.85 (0%) | $2,208.00 | $2,146.51 | 12.50 K | $5.56 B |
| 07/22/2026 | $2,192.00 | $2,182.32 (-0.44%) | $2,211.04 | $2,161.29 | 16.14 K | $5.57 B |
| 07/21/2026 | $2,201.51 | $2,193.26 (-0.37%) | $2,222.50 | $2,167.98 | 13.54 K | $5.60 B |
| 07/20/2026 | $2,214.50 | $2,211.22 (-0.15%) | $2,249.05 | $2,209.73 | 16.10 K | $5.65 B |
| 07/17/2026 | $2,198.24 | $2,211.52 (0.6%) | $2,239.95 | $2,198.24 | 12.60 K | $5.65 B |
| 07/16/2026 | $2,126.10 | $2,196.48 (3.31%) | $2,203.64 | $2,126.10 | 21.22 K | $5.61 B |
| 07/15/2026 | $2,162.60 | $2,139.73 (-1.06%) | $2,173.75 | $2,125.84 | 15.30 K | $5.47 B |
| 07/14/2026 | $2,162.51 | $2,167.79 (0.24%) | $2,187.93 | $2,146.35 | 21.21 K | $5.54 B |
| 07/13/2026 | $2,192.70 | $2,174.96 (-0.81%) | $2,203.36 | $2,157.50 | 16.00 K | $5.56 B |
| 07/10/2026 | $2,197.99 | $2,181.19 (-0.76%) | $2,199.15 | $2,165.09 | 18.52 K | $5.57 B |
| 07/09/2026 | $2,167.02 | $2,185.23 (0.84%) | $2,189.82 | $2,159.73 | 25.90 K | $5.58 B |
| 07/08/2026 | $2,164.98 | $2,167.25 (0.1%) | $2,179.59 | $2,147.50 | 18.40 K | $5.54 B |
| 07/07/2026 | $2,176.00 | $2,165.85 (-0.47%) | $2,198.87 | $2,161.90 | 14.30 K | $5.53 B |
| 07/06/2026 | $2,165.26 | $2,166.27 (0.05%) | $2,182.90 | $2,145.32 | 14.65 K | $5.53 B |
| 07/02/2026 | $2,090.00 | $2,173.81 (4.01%) | $2,186.81 | $2,068.59 | 25.52 K | $5.55 B |
| 07/01/2026 | $2,077.50 | $2,064.04 (-0.65%) | $2,101.10 | $2,050.00 | 17.60 K | $5.27 B |
| 06/30/2026 | $2,075.60 | $2,073.39 (-0.11%) | $2,098.50 | $2,057.34 | 16.70 K | $5.30 B |
| 06/29/2026 | $2,085.79 | $2,090.94 (0.25%) | $2,104.79 | $2,064.64 | 13.25 K | $5.34 B |
| 06/26/2026 | $2,023.79 | $2,096.56 (3.6%) | $2,096.56 | $2,023.79 | 26.30 K | $5.35 B |
| 06/25/2026 | $2,021.78 | $2,019.70 (-0.1%) | $2,048.66 | $2,009.02 | 14.40 K | $5.16 B |
| 06/24/2026 | $2,026.75 | $2,022.41 (-0.21%) | $2,044.04 | $2,006.15 | 13.82 K | $5.17 B |
| 06/23/2026 | $2,015.36 | $2,023.63 (0.41%) | $2,028.34 | $2,001.99 | 16.40 K | $5.17 B |
| 06/22/2026 | $2,023.03 | $2,010.75 (-0.61%) | $2,035.00 | $1,999.84 | 13.20 K | $5.14 B |
| 06/18/2026 | $1,997.36 | $2,013.36 (0.8%) | $2,019.89 | $1,990.78 | 25.50 K | $5.14 B |
| 06/17/2026 | $2,021.60 | $2,003.49 (-0.9%) | $2,045.50 | $1,990.00 | 21.60 K | $5.12 B |
| 06/16/2026 | $2,037.76 | $2,032.37 (-0.26%) | $2,051.66 | $2,010.00 | 20.70 K | $5.19 B |
| 06/15/2026 | $2,026.10 | $2,030.64 (0.22%) | $2,059.62 | $2,000.35 | 31.02 K | $5.19 B |
| 06/12/2026 | $1,995.50 | $2,024.05 (1.43%) | $2,030.00 | $1,991.30 | 17.75 K | $5.17 B |
| 06/11/2026 | $2,021.10 | $1,989.54 (-1.56%) | $2,041.42 | $1,987.00 | 17.04 K | $5.08 B |
| 06/10/2026 | $2,014.35 | $2,018.89 (0.23%) | $2,037.79 | $2,006.15 | 23.50 K | $5.16 B |
| 06/09/2026 | $2,029.50 | $2,004.76 (-1.22%) | $2,050.00 | $1,991.29 | 26.50 K | $5.12 B |
| 06/08/2026 | $2,060.00 | $2,023.70 (-1.76%) | $2,070.00 | $2,020.03 | 29.25 K | $5.17 B |
| 06/05/2026 | $2,016.80 | $2,065.14 (2.4%) | $2,084.71 | $2,016.80 | 22.32 K | $5.27 B |
| 06/04/2026 | $2,035.00 | $2,015.54 (-0.96%) | $2,065.00 | $2,010.54 | 29.90 K | $5.15 B |
| 06/03/2026 | $2,050.81 | $2,034.02 (-0.82%) | $2,066.05 | $2,017.98 | 45.00 K | $5.20 B |
| 06/02/2026 | $2,060.03 | $2,050.81 (-0.45%) | $2,087.91 | $2,050.62 | 23.50 K | $5.24 B |
| 06/01/2026 | $2,052.25 | $2,062.03 (0.48%) | $2,077.20 | $2,052.25 | 24.25 K | $5.27 B |
| 05/29/2026 | $2,093.14 | $2,064.82 (-1.35%) | $2,096.55 | $2,060.92 | 25.80 K | $5.27 B |
| 05/28/2026 | $2,090.39 | $2,084.31 (-0.29%) | $2,106.05 | $2,072.01 | 23.51 K | $5.32 B |
| 05/27/2026 | $2,138.97 | $2,101.94 (-1.73%) | $2,159.00 | $2,094.47 | 27.70 K | $5.37 B |
| 05/26/2026 | $2,140.40 | $2,129.17 (-0.52%) | $2,166.05 | $2,129.17 | 16.93 K | $5.44 B |
| 05/22/2026 | $2,136.84 | $2,146.85 (0.47%) | $2,159.00 | $2,136.84 | 16.60 K | $5.48 B |
| 05/21/2026 | $2,130.13 | $2,139.09 (0.42%) | $2,152.18 | $2,130.03 | 22.42 K | $5.46 B |
| 05/20/2026 | $2,152.05 | $2,144.81 (-0.34%) | $2,175.00 | $2,142.50 | 18.20 K | $5.48 B |
| 05/19/2026 | $2,127.27 | $2,144.19 (0.8%) | $2,159.00 | $2,125.02 | 29.15 K | $5.48 B |
| 05/18/2026 | $2,139.00 | $2,138.35 (-0.03%) | $2,177.00 | $2,121.03 | 17.90 K | $5.46 B |
| 05/15/2026 | $2,119.07 | $2,136.76 (0.83%) | $2,149.99 | $2,105.00 | 21.20 K | $5.46 B |
| 05/14/2026 | $2,128.91 | $2,112.72 (-0.76%) | $2,196.09 | $2,096.23 | 27.71 K | $5.40 B |
| 05/13/2026 | $2,105.14 | $2,119.91 (0.7%) | $2,150.00 | $2,105.14 | 23.00 K | $5.41 B |
| 05/12/2026 | $2,141.68 | $2,109.20 (-1.52%) | $2,162.00 | $2,099.94 | 22.40 K | $5.39 B |
| 05/11/2026 | $2,143.00 | $2,133.58 (-0.44%) | $2,173.11 | $2,110.00 | 21.00 K | $5.45 B |
| 05/08/2026 | $2,103.90 | $2,128.40 (1.16%) | $2,136.45 | $2,075.05 | 18.80 K | $5.44 B |
| 05/07/2026 | $2,080.00 | $2,092.50 (0.6%) | $2,106.28 | $2,050.01 | 26.20 K | $5.34 B |
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