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White Mountains Insurance Group, Ltd. (WTM)
NYSE: WTM · Real-Time Price · USD
2,034.79
-3.00 (-0.15%)
Dec 5, 2025, 4:00 PM EST - Market closed

WTM Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Dec 5, 20252,026.302,046.182,019.002,034.792,034.79-0.15%27,360
Dec 4, 20252,023.002,050.902,020.052,037.792,037.790.60%17,755
Dec 3, 20252,030.962,039.792,013.292,025.552,025.55-0.09%16,714
Dec 2, 20252,025.202,041.502,022.302,027.412,027.410.12%25,832
Dec 1, 20252,028.222,048.772,018.272,024.892,024.890.03%15,245
Nov 28, 20252,030.442,042.892,024.242,024.252,024.25-0.24%9,298
Nov 26, 20252,005.002,037.352,004.182,029.062,029.061.27%13,500
Nov 25, 20252,000.842,030.402,000.002,003.652,003.650.33%14,532
Nov 24, 20251,992.822,002.351,961.001,996.991,996.99-0.15%24,276
Nov 21, 20251,959.002,013.051,959.002,000.002,000.006.29%26,636
Nov 20, 20251,901.551,913.001,875.501,881.611,881.61-0.41%26,310
Nov 19, 20251,901.301,909.891,870.001,889.301,889.30-0.58%20,702
Nov 18, 20251,900.771,918.001,900.011,900.341,900.340.02%21,047
Nov 17, 20251,931.891,943.461,900.001,900.001,900.00-1.28%13,610
Nov 14, 20251,905.001,934.991,902.001,924.671,924.670.50%20,109
Nov 13, 20251,929.381,941.131,911.421,915.091,915.09-1.00%18,377
Nov 12, 20251,930.551,949.891,915.461,934.471,934.470.49%16,488
Nov 11, 20251,906.901,935.391,902.001,925.011,925.011.22%15,829
Nov 10, 20251,905.801,921.051,899.581,901.761,901.76-0.35%19,348
Nov 7, 20251,895.001,928.751,893.021,908.461,908.460.87%25,051
Nov 6, 20251,901.101,923.741,888.001,892.021,892.02-0.28%30,319
Nov 5, 20251,897.961,925.901,894.241,897.421,897.42-1.21%17,184
Nov 4, 20251,900.201,929.201,891.831,920.601,920.601.09%28,177
Nov 3, 20251,900.751,917.751,863.601,899.871,899.87-0.25%36,682
Oct 31, 20251,902.431,920.001,890.001,904.561,904.56-0.13%27,799
Oct 30, 20251,905.201,930.501,903.251,907.001,907.000.47%19,318
Oct 29, 20251,914.541,914.541,897.231,897.991,897.99-0.17%22,290
Oct 28, 20251,909.001,925.001,898.961,901.301,901.30-1.63%29,455
Oct 27, 20251,917.001,941.891,917.001,932.901,932.900.87%23,578
Oct 24, 20251,950.001,957.681,908.541,916.141,916.14-1.12%26,712
Oct 23, 20251,911.001,946.401,900.261,937.931,937.931.88%30,222
Oct 22, 20251,916.001,927.731,900.821,902.191,902.19-0.97%24,507
Oct 21, 20251,931.621,945.001,920.911,920.911,920.91-0.59%17,071
Oct 20, 20251,926.001,940.711,926.001,932.231,932.230.99%19,132
Oct 17, 20251,830.131,917.381,830.131,913.201,913.203.55%32,740
Oct 16, 20251,887.111,893.061,836.711,847.671,847.67-2.34%36,108
Oct 15, 20251,931.791,939.501,890.291,892.011,892.01-2.12%36,283
Oct 14, 20251,913.501,936.541,907.021,933.011,933.011.56%23,331
Oct 13, 20251,893.301,925.511,893.301,903.241,903.240.28%38,260
Oct 10, 20251,932.671,936.001,891.261,898.001,898.00-1.18%21,242
Oct 9, 20251,901.001,926.741,899.761,920.681,920.681.29%23,118
Oct 8, 20251,900.001,905.001,892.001,896.201,896.20-0.47%38,248
Oct 7, 20251,864.001,908.651,815.441,905.231,905.232.19%39,783
Oct 6, 20251,828.041,868.481,827.001,864.481,864.481.26%51,488
Oct 3, 20251,784.781,866.221,784.781,841.341,841.3410.62%88,802
Oct 2, 20251,651.141,678.881,650.001,664.561,664.560.85%28,856
Oct 1, 20251,670.001,670.001,648.001,650.501,650.50-1.26%27,615
Sep 30, 20251,663.711,678.881,663.711,671.521,671.52-0.37%33,761
Sep 29, 20251,718.301,718.301,659.171,677.701,677.70-2.23%50,398
Sep 26, 20251,694.951,736.001,694.951,715.941,715.941.58%32,314
Sep 25, 20251,755.001,755.001,687.471,689.221,689.22-3.86%31,167
Sep 24, 20251,759.001,783.501,755.701,756.991,756.99-0.48%27,496
Sep 23, 20251,764.111,781.091,762.601,765.521,765.52-0.02%38,309
Sep 22, 20251,760.001,768.001,749.671,765.901,765.90-0.22%35,467
Sep 19, 20251,751.351,776.221,735.001,769.871,769.870.93%45,923
Sep 18, 20251,721.001,760.711,715.001,753.621,753.621.78%32,919
Sep 17, 20251,724.001,728.481,711.391,722.981,722.980.44%29,403
Sep 16, 20251,712.781,719.401,700.001,715.501,715.500.01%29,377
Sep 15, 20251,760.001,772.001,711.281,715.401,715.40-2.69%40,379
Sep 12, 20251,765.001,785.771,762.811,762.811,762.81-0.66%26,557
Sep 11, 20251,752.001,774.511,752.001,774.511,774.510.80%33,590
Sep 10, 20251,779.681,790.001,752.881,760.481,760.48-1.91%37,377
Sep 9, 20251,767.161,800.061,762.711,794.691,794.691.56%82,797
Sep 8, 20251,785.001,800.001,748.411,767.161,767.16-1.61%30,853
Sep 5, 20251,797.671,816.001,792.001,796.031,796.03-0.25%20,905
Sep 4, 20251,772.521,800.511,767.151,800.511,800.511.58%26,917
Sep 3, 20251,795.001,819.691,763.921,772.521,772.52-3.49%33,014
Sep 2, 20251,815.001,842.081,804.001,836.591,836.590.35%23,837
Aug 29, 20251,837.001,839.311,830.181,830.181,830.180.26%20,507
Aug 28, 20251,825.001,850.001,822.001,825.391,825.39-1.09%25,034
Aug 27, 20251,838.141,850.821,824.301,845.421,845.420.53%37,180
Aug 26, 20251,810.001,836.211,810.001,835.691,835.690.42%27,026
Aug 25, 20251,830.001,840.001,809.901,828.051,828.05-1.89%24,360
Aug 22, 20251,856.001,868.361,848.371,863.221,863.221.18%24,089
Aug 21, 20251,832.311,847.391,831.001,841.411,841.410.25%20,379
Aug 20, 20251,809.001,841.211,809.001,836.891,836.891.31%26,023
Aug 19, 20251,777.381,813.531,777.381,813.091,813.092.81%28,565
Aug 18, 20251,775.001,779.021,758.681,763.471,763.47-0.35%32,776
Aug 15, 20251,838.001,848.311,762.711,769.601,769.60-4.05%41,912
Aug 14, 20251,865.001,867.471,840.001,844.341,844.34-1.36%30,109
Aug 13, 20251,837.551,880.111,819.001,869.811,869.812.48%21,933
Aug 12, 20251,786.791,828.031,779.001,824.591,824.592.30%29,559
Aug 11, 20251,746.001,791.181,744.001,783.511,783.511.82%37,429
Aug 8, 20251,759.001,789.001,750.211,751.621,751.620.07%24,358
Aug 7, 20251,770.111,776.921,747.601,750.351,750.35-1.82%49,066
Aug 6, 20251,774.961,795.471,756.001,782.711,782.71-0.13%32,014
Aug 5, 20251,779.431,788.301,777.241,785.011,785.010.59%21,222
Aug 4, 20251,777.871,790.001,774.151,774.501,774.50-0.02%22,713
Aug 1, 20251,779.931,779.931,762.001,774.871,774.87-0.72%16,873
Jul 31, 20251,790.001,796.801,780.571,787.801,787.800.51%16,119
Jul 30, 20251,796.001,801.001,773.201,778.731,778.73-1.01%15,594
Jul 29, 20251,796.901,796.901,785.531,796.891,796.890.41%12,058
Jul 28, 20251,780.001,789.561,780.001,789.561,789.56-13,668
Jul 25, 20251,785.101,794.001,782.941,789.581,789.580.66%12,089
Jul 24, 20251,785.391,785.391,777.881,777.881,777.88-0.58%15,685
Jul 23, 20251,789.101,789.101,780.521,788.211,788.21-0.18%13,871
Jul 22, 20251,770.501,799.441,770.501,791.351,791.350.71%21,041
Jul 21, 20251,820.001,820.001,776.211,778.741,778.74-2.06%16,789
Jul 18, 20251,819.501,824.801,801.671,816.201,816.200.23%26,946
Jul 17, 20251,774.001,812.001,774.001,812.001,812.001.91%28,542