5 DAY PERFORMANCE
+6.46%
1 MONTH PERFORMANCE
-0.16%
3 MONTH PERFORMANCE
-0.90%
6 MONTH PERFORMANCE
+2.52%
YEAR-TO-DATE PERFORMANCE
+3.15%
1 YEAR PERFORMANCE
+20.30%
White Mountains Insurance Group, Ltd. Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 06/22/2026 | $2,021.76 | $2,010.74 (-0.55%) | $2,025.20 | $1,999.84 | 9.38 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 |
| 05/06/2026 | $2,151.30 | $2,080.00 (-3.31%) | $2,176.58 | $2,071.88 | 38.30 K | $5.31 B |
| 05/05/2026 | $2,173.37 | $2,151.67 (-1%) | $2,193.71 | $2,147.77 | 17.30 K | $5.50 B |
| 05/04/2026 | $2,153.87 | $2,167.41 (0.63%) | $2,203.00 | $2,132.76 | 26.80 K | $5.54 B |
| 05/01/2026 | $2,213.00 | $2,163.50 (-2.24%) | $2,216.52 | $2,158.18 | 19.50 K | $5.53 B |
| 04/30/2026 | $2,201.09 | $2,231.99 (1.4%) | $2,235.00 | $2,190.66 | 10.94 K | $5.70 B |
| 04/29/2026 | $2,261.29 | $2,206.00 (-2.45%) | $2,270.21 | $2,188.44 | 12.70 K | $5.63 B |
| 04/28/2026 | $2,284.00 | $2,263.69 (-0.89%) | $2,303.48 | $2,256.57 | 16.54 K | $5.78 B |
| 04/27/2026 | $2,260.60 | $2,267.56 (0.31%) | $2,286.66 | $2,245.31 | 16.00 K | $5.79 B |
| 04/24/2026 | $2,279.54 | $2,259.27 (-0.89%) | $2,279.54 | $2,243.94 | 15.34 K | $5.77 B |
| 04/23/2026 | $2,283.32 | $2,285.39 (0.09%) | $2,301.53 | $2,268.15 | 9.40 K | $5.84 B |
| 04/22/2026 | $2,292.87 | $2,269.19 (-1.03%) | $2,292.87 | $2,261.10 | 14.70 K | $5.80 B |
| 04/21/2026 | $2,278.10 | $2,276.34 (-0.08%) | $2,290.97 | $2,261.03 | 10.23 K | $5.81 B |
| 04/20/2026 | $2,309.96 | $2,275.01 (-1.51%) | $2,326.45 | $2,275.01 | 14.11 K | $5.81 B |
| 04/17/2026 | $2,292.20 | $2,319.41 (1.19%) | $2,333.00 | $2,270.05 | 14.21 K | $5.92 B |
| 04/16/2026 | $2,290.79 | $2,294.72 (0.17%) | $2,300.50 | $2,273.24 | 10.80 K | $5.86 B |
| 04/15/2026 | $2,301.10 | $2,291.46 (-0.42%) | $2,310.12 | $2,280.00 | 15.90 K | $5.85 B |
| 04/14/2026 | $2,282.20 | $2,300.00 (0.78%) | $2,318.57 | $2,282.20 | 17.50 K | $5.87 B |
| 04/13/2026 | $2,280.08 | $2,297.99 (0.79%) | $2,307.25 | $2,254.22 | 15.26 K | $5.87 B |
| 04/10/2026 | $2,307.10 | $2,301.14 (-0.26%) | $2,307.10 | $2,266.61 | 19.81 K | $5.88 B |
| 04/09/2026 | $2,277.22 | $2,309.92 (1.44%) | $2,325.78 | $2,255.00 | 17.10 K | $5.90 B |
| 04/08/2026 | $2,235.44 | $2,277.21 (1.87%) | $2,290.66 | $2,205.00 | 17.64 K | $5.82 B |
| 04/07/2026 | $2,192.96 | $2,215.73 (1.04%) | $2,242.00 | $2,192.96 | 15.95 K | $5.66 B |
| 04/06/2026 | $2,169.31 | $2,203.96 (1.6%) | $2,206.24 | $2,067.21 | 27.44 K | $5.63 B |
| 04/02/2026 | $2,176.40 | $2,169.76 (-0.31%) | $2,191.19 | $2,156.00 | 18.00 K | $5.54 B |
| 04/01/2026 | $2,197.20 | $2,178.44 (-0.85%) | $2,206.25 | $2,160.00 | 22.25 K | $5.56 B |
| 03/31/2026 | $2,212.63 | $2,196.96 (-0.71%) | $2,224.11 | $2,163.41 | 25.10 K | $5.61 B |
| 03/30/2026 | $2,164.39 | $2,193.86 (1.36%) | $2,210.86 | $2,150.80 | 14.80 K | $5.60 B |
| 03/27/2026 | $2,219.27 | $2,153.86 (-2.95%) | $2,223.00 | $2,134.68 | 19.20 K | $5.50 B |
| 03/26/2026 | $2,185.51 | $2,220.71 (1.61%) | $2,224.51 | $2,185.51 | 10.90 K | $5.67 B |
| 03/25/2026 | $2,219.64 | $2,205.51 (-0.64%) | $2,231.57 | $2,196.96 | 13.40 K | $5.63 B |
| 03/24/2026 | $2,169.00 | $2,211.91 (1.98%) | $2,220.56 | $2,152.16 | 16.50 K | $5.65 B |
| 03/23/2026 | $2,178.96 | $2,162.99 (-0.73%) | $2,205.42 | $2,160.91 | 19.10 K | $5.52 B |
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