Skip to main content
logo
White Mountains Insurance Group, Ltd. (WTM)
NYSE: WTM · Real-Time Price · USD
2,117.86
+16.39 (0.78%)
Aug 4, 2026, 4:00 PM EDT - Market closed

WTM Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Aug 4, 20262,098.302,127.882,070.002,117.862,117.860.78%23,374
Aug 3, 20262,119.192,136.002,086.772,101.472,101.470.18%19,945
Jul 31, 20262,105.572,129.322,084.992,097.732,097.73-0.99%12,669
Jul 30, 20262,151.302,151.302,087.202,118.612,118.61-1.48%13,781
Jul 29, 20262,186.212,211.002,125.642,150.342,150.34-2.37%21,151
Jul 28, 20262,175.602,218.612,171.302,202.612,202.610.40%17,249
Jul 27, 20262,201.752,231.002,182.582,193.942,193.94-0.64%18,596
Jul 24, 20262,178.362,233.662,158.612,208.052,208.051.43%11,795
Jul 23, 20262,176.752,208.002,146.512,176.852,176.85-0.25%11,350
Jul 22, 20262,192.002,211.042,161.292,182.322,182.32-0.50%16,141
Jul 21, 20262,201.512,222.502,167.982,193.262,193.26-0.81%13,536
Jul 20, 20262,214.502,249.052,209.732,211.222,211.22-0.01%16,079
Jul 17, 20262,198.242,239.952,198.242,211.522,211.520.68%12,572
Jul 16, 20262,126.102,203.642,126.102,196.482,196.482.65%21,179
Jul 15, 20262,162.602,173.752,125.842,139.732,139.73-1.29%15,267
Jul 14, 20262,162.512,187.932,146.352,167.792,167.79-0.33%21,213
Jul 13, 20262,192.702,203.362,157.502,174.962,174.96-0.29%15,968
Jul 10, 20262,197.992,199.152,165.092,181.192,181.19-0.18%18,516
Jul 9, 20262,167.022,189.822,159.732,185.232,185.230.83%25,904
Jul 8, 20262,164.982,179.592,147.502,167.252,167.250.06%18,390
Jul 7, 20262,176.002,198.872,161.902,165.852,165.85-0.02%14,273
Jul 6, 20262,165.262,182.902,145.322,166.272,166.27-0.35%14,649
Jul 2, 20262,090.002,186.812,068.602,173.812,173.815.32%25,519
Jul 1, 20262,077.502,101.102,050.002,064.042,064.04-0.45%17,589
Jun 30, 20262,075.602,098.502,057.342,073.392,073.39-0.84%16,671
Jun 29, 20262,085.792,104.792,064.642,090.942,090.94-0.27%13,245
Jun 26, 20262,023.792,096.562,023.792,096.562,096.563.81%25,750
Jun 25, 20262,021.782,048.662,009.022,019.702,019.70-0.13%14,352
Jun 24, 20262,026.752,044.042,006.152,022.412,022.41-0.06%13,491
Jun 23, 20262,015.362,028.342,001.992,023.632,023.630.64%16,052
Jun 22, 20262,023.032,035.001,999.842,010.752,010.75-0.13%13,169
Jun 18, 20261,997.362,019.891,990.782,013.362,013.360.49%25,426
Jun 17, 20262,021.602,045.501,990.002,003.492,003.49-1.42%21,156
Jun 16, 20262,037.762,051.662,010.002,032.372,032.370.09%20,369
Jun 15, 20262,026.102,059.622,000.352,030.642,030.640.33%31,018
Jun 12, 20261,995.502,030.001,991.302,024.052,024.051.73%17,746
Jun 11, 20262,021.102,041.421,987.001,989.541,989.54-1.45%17,043
Jun 10, 20262,014.352,037.792,006.152,018.892,018.890.70%23,503
Jun 9, 20262,029.502,050.001,991.292,004.762,004.76-0.94%26,468
Jun 8, 20262,060.002,070.002,020.032,023.702,023.70-2.01%28,818
Jun 5, 20262,016.802,084.712,016.802,065.142,065.142.46%22,318
Jun 4, 20262,035.002,065.002,010.542,015.542,015.54-0.91%29,875
Jun 3, 20262,050.812,066.062,017.982,034.022,034.02-0.82%44,973
Jun 2, 20262,060.032,087.912,050.622,050.812,050.81-0.54%23,501
Jun 1, 20262,052.252,077.202,052.252,062.032,062.03-0.14%24,247
May 29, 20262,093.142,096.552,060.922,064.822,064.82-0.94%25,574
May 28, 20262,090.392,106.052,072.012,084.312,084.31-0.84%23,509
May 27, 20262,138.972,159.002,094.472,101.942,101.94-1.28%26,949
May 26, 20262,140.402,166.052,129.172,129.172,129.17-0.82%16,926
May 22, 20262,136.842,159.002,136.842,146.852,146.850.36%16,554