White Mountains Insurance Group, Ltd. Common Stock (WTM)

Market Cap

$5.31B

Current · Retrieved: Oct 25, 2026 · USD

WTM Market Cap

Current$5.31BretrievedOct 25, 2026

WTM Market Cap ($67.14M → $5.31B · CAGR +11.3%)

Latest values, visible window

High-resolution chart · PNG

WTM market cap history

Daily history. Dates identify market observations.

White Mountains Insurance Group, Ltd. Common Stock Market Cap — Daily history
Date	Market Cap
Jun 15, 2012	1,199,040,896
Jun 8, 2012	1,222,048,886
Jun 1, 2012	1,225,581,233
May 25, 2012	1,244,126,056
May 18, 2012	1,253,267,197
May 11, 2012	1,286,490,353
May 4, 2012	1,250,021,257
Apr 27, 2012	1,266,680,569
Apr 20, 2012	1,235,772,532
Apr 13, 2012	1,229,757,995
Apr 5, 2012	1,216,034,349
Mar 30, 2012	1,197,465,660
Mar 23, 2012	1,206,248,793
Mar 16, 2012	1,190,257,763
Mar 9, 2012	1,190,448,700
Mar 2, 2012	1,186,081,001
Feb 24, 2012	1,189,661,082
Feb 17, 2012	1,148,012,801
Feb 10, 2012	1,114,670,309
Feb 3, 2012	1,127,725,672
Jan 27, 2012	1,091,113,372
Jan 20, 2012	1,074,740,466
Jan 13, 2012	1,082,306,372
Jan 6, 2012	1,062,448,853
Dec 30, 2011	1,082,282,505
Dec 23, 2011	1,068,654,328
Dec 16, 2011	1,019,273,070
Dec 9, 2011	1,050,157,240
Dec 2, 2011	1,015,740,723
Nov 25, 2011	983,329,052
Nov 18, 2011	1,010,036,460
Nov 11, 2011	1,023,855,575
Nov 4, 2011	1,013,258,533
Oct 28, 2011	1,025,192,138
Oct 21, 2011	1,004,212,861
Oct 14, 2011	1,003,496,844
Oct 7, 2011	950,416,169
Sep 30, 2011	968,412,046
Sep 23, 2011	939,174,713
Sep 16, 2011	971,443,181
Sep 9, 2011	931,179,198
Sep 2, 2011	939,652,058
Aug 26, 2011	942,301,318
Aug 19, 2011	973,925,371
Aug 12, 2011	966,622,005
Aug 5, 2011	962,206,571
Jul 29, 2011	1,005,740,362
Jul 22, 2011	1,018,724,124
Jul 15, 2011	993,138,475
Jul 8, 2011	994,642,110
Jul 1, 2011	1,027,483,390
Jun 24, 2011	961,848,563
Jun 17, 2011	948,268,121
Jun 10, 2011	961,848,563
Jun 3, 2011	969,008,726
May 27, 2011	971,872,791
May 20, 2011	936,907,329
May 13, 2011	832,989,496
May 6, 2011	844,708,296
Apr 29, 2011	853,276,625
Apr 21, 2011	879,124,813
Apr 15, 2011	880,413,642
Apr 8, 2011	884,471,068
Apr 1, 2011	875,950,474
Mar 25, 2011	876,093,677
Mar 18, 2011	867,573,083
Mar 11, 2011	867,644,685
Mar 4, 2011	891,440,293
Feb 25, 2011	903,373,898
Feb 18, 2011	883,683,450
Feb 11, 2011	873,659,222
Feb 4, 2011	837,428,797
Jan 28, 2011	814,468,541
Jan 21, 2011	818,430,498
Jan 14, 2011	829,194,610
Jan 7, 2011	825,447,458
Dec 31, 2010	800,983,568
Dec 23, 2010	798,191,104
Dec 17, 2010	780,457,767
Dec 10, 2010	758,070,324
Dec 3, 2010	755,397,196
Nov 26, 2010	764,944,080
Nov 19, 2010	768,524,162
Nov 12, 2010	763,893,923
Nov 5, 2010	775,206,981
Oct 29, 2010	761,841,343
Oct 22, 2010	763,750,720
Oct 15, 2010	759,693,294
Oct 8, 2010	744,036,405
Oct 1, 2010	743,129,451
Sep 24, 2010	737,496,789
Sep 17, 2010	747,282,345
Sep 10, 2010	741,387,144
Sep 3, 2010	755,516,533
Aug 27, 2010	730,145,688
Aug 20, 2010	724,871,035
Aug 13, 2010	731,004,908
Aug 6, 2010	764,944,080
Jul 30, 2010	749,549,730
Jul 23, 2010	785,231,209