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 +11.2%)

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
Feb 7, 1997	244,638,902
Jan 31, 1997	238,672,100
Jan 24, 1997	233,015,571
Jan 17, 1997	230,915,257
Jan 10, 1997	229,125,216
Jan 3, 1997	229,435,490
Dec 27, 1996	227,048,769
Dec 20, 1996	223,158,413
Dec 13, 1996	219,888,606
Dec 6, 1996	221,678,646
Nov 29, 1996	218,981,652
Nov 22, 1996	216,905,204
Nov 15, 1996	214,804,890
Nov 8, 1996	208,241,407
Nov 1, 1996	213,611,529
Oct 25, 1996	216,594,931
Oct 18, 1996	214,804,890
Oct 11, 1996	218,981,652
Oct 4, 1996	219,578,332
Sep 27, 1996	215,115,164
Sep 20, 1996	220,175,012
Sep 13, 1996	221,081,966
Sep 6, 1996	215,998,250
Aug 30, 1996	219,888,606
Aug 23, 1996	214,208,210
Aug 16, 1996	213,921,803
Aug 9, 1996	203,467,965
Aug 2, 1996	201,081,244
Jul 26, 1996	195,711,122
Jul 19, 1996	193,037,994
Jul 12, 1996	196,307,802
Jul 5, 1996	198,097,843
Jun 28, 1996	193,324,401
Jun 21, 1996	190,937,680
Jun 14, 1996	192,131,040
Jun 7, 1996	191,534,360
May 31, 1996	193,324,401
May 24, 1996	191,844,634
May 17, 1996	190,341,000
May 10, 1996	185,567,558
May 3, 1996	181,987,476
Apr 26, 1996	188,550,959
Apr 19, 1996	182,894,430
Apr 12, 1996	186,164,238
Apr 4, 1996	191,534,360
Mar 29, 1996	183,777,517
Mar 22, 1996	180,507,709
Mar 15, 1996	182,584,156
Mar 8, 1996	181,104,389
Mar 1, 1996	180,507,709
Feb 23, 1996	187,954,279
Feb 16, 1996	186,164,238
Feb 9, 1996	180,507,709
Feb 2, 1996	183,777,517
Jan 26, 1996	182,297,750
Jan 19, 1996	186,474,512
Jan 12, 1996	180,507,709
Jan 5, 1996	177,524,308
Dec 29, 1995	177,810,714
Dec 22, 1995	169,457,191
Dec 15, 1995	169,170,784
Dec 8, 1995	169,170,784
Dec 1, 1995	165,590,703
Nov 24, 1995	160,220,581
Nov 17, 1995	162,893,708
Nov 10, 1995	164,087,069
Nov 3, 1995	167,667,150
Oct 27, 1995	167,667,150
Oct 20, 1995	174,540,907
Oct 13, 1995	171,843,912
Oct 6, 1995	170,650,551
Sep 29, 1995	174,230,633
Sep 22, 1995	177,214,034
Sep 15, 1995	178,717,668
Sep 8, 1995	177,214,034
Sep 1, 1995	175,137,587
Aug 25, 1995	168,574,104
Aug 18, 1995	169,457,191
Aug 11, 1995	166,473,790
Aug 4, 1995	169,457,191
Jul 28, 1995	166,784,063
Jul 21, 1995	167,380,744
Jul 14, 1995	171,247,232
Jul 7, 1995	171,843,912
Jun 30, 1995	170,364,145
Jun 23, 1995	170,053,871
Jun 16, 1995	171,247,232
Jun 9, 1995	168,860,511
Jun 2, 1995	164,683,749
May 26, 1995	164,397,342
May 19, 1995	164,683,749
May 12, 1995	169,457,191
May 5, 1995	168,860,511
Apr 28, 1995	172,154,186
Apr 21, 1995	172,154,186
Apr 13, 1995	173,037,272
Apr 7, 1995	171,843,912
Mar 31, 1995	172,154,186
Mar 24, 1995	173,037,272
Mar 17, 1995	177,524,308