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
Apr 8, 1993	193,634,675
Apr 2, 1993	191,844,634
Mar 26, 1993	192,131,040
Mar 19, 1993	185,567,558
Mar 12, 1993	184,684,471
Mar 5, 1993	176,927,628
Feb 26, 1993	177,214,034
Feb 19, 1993	174,230,633
Feb 12, 1993	177,524,308
Feb 5, 1993	175,734,267
Jan 29, 1993	174,230,633
Jan 22, 1993	173,944,226
Jan 15, 1993	173,944,226
Jan 8, 1993	171,843,912
Dec 31, 1992	171,843,912
Dec 24, 1992	171,843,912
Dec 18, 1992	172,750,866
Dec 11, 1992	171,843,912
Dec 4, 1992	174,827,313
Nov 27, 1992	176,617,354
Nov 20, 1992	175,137,587
Nov 13, 1992	169,767,465
Nov 6, 1992	171,843,912
Oct 30, 1992	173,633,953
Oct 23, 1992	171,247,232
Oct 16, 1992	168,263,830
Oct 9, 1992	167,667,150
Oct 2, 1992	167,977,424
Sep 25, 1992	167,667,150
Sep 18, 1992	167,977,424
Sep 11, 1992	167,070,470
Sep 4, 1992	165,280,429
Aug 28, 1992	162,297,028
Aug 21, 1992	164,087,069
Aug 14, 1992	163,490,388
Aug 7, 1992	163,490,388
Jul 31, 1992	163,490,388
Jul 24, 1992	162,010,621
Jul 17, 1992	163,203,982
Jul 10, 1992	164,397,342
Jul 2, 1992	165,280,429
Jun 26, 1992	165,280,429
Jun 19, 1992	165,877,109
Jun 12, 1992	165,590,703
Jun 5, 1992	165,280,429
May 29, 1992	165,280,429
May 22, 1992	164,683,749
May 15, 1992	164,087,069
May 8, 1992	153,943,504
May 1, 1992	152,750,144
Apr 24, 1992	150,960,103
Apr 16, 1992	154,253,778
Apr 10, 1992	155,136,865
Apr 3, 1992	158,120,266
Mar 27, 1992	156,926,906
Mar 20, 1992	159,027,220
Mar 13, 1992	157,237,179
Mar 6, 1992	156,926,906
Feb 28, 1992	158,120,266
Feb 21, 1992	159,910,307
Feb 14, 1992	164,683,749
Feb 7, 1992	160,506,987
Jan 31, 1992	164,087,069
Jan 24, 1992	159,313,627
Jan 17, 1992	159,623,900
Jan 10, 1992	164,683,749
Jan 3, 1992	165,877,109
Dec 27, 1991	163,203,982
Dec 20, 1991	159,027,220
Dec 13, 1991	156,926,906
Dec 6, 1991	157,237,179
Nov 29, 1991	159,313,627
Nov 22, 1991	159,910,307
Nov 15, 1991	159,313,627
Nov 8, 1991	158,716,946
Nov 1, 1991	156,926,906
Oct 25, 1991	156,330,225
Oct 18, 1991	156,640,499
Oct 11, 1991	156,640,499
Oct 4, 1991	155,733,545
Sep 27, 1991	156,043,819
Sep 20, 1991	153,346,824
Sep 13, 1991	152,463,737
Sep 6, 1991	152,153,464
Aug 30, 1991	152,750,144
Aug 23, 1991	152,153,464
Aug 16, 1991	152,750,144
Aug 9, 1991	153,060,418
Aug 2, 1991	153,943,504
Jul 26, 1991	152,153,464
Jul 19, 1991	150,673,697
Jul 12, 1991	148,286,976
Jul 5, 1991	150,363,423
Jun 28, 1991	149,766,743
Jun 21, 1991	151,556,783
Jun 14, 1991	151,556,783
Jun 7, 1991	151,556,783
May 31, 1991	153,346,824
May 24, 1991	152,750,144
May 17, 1991	152,153,464