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
Oct 8, 2004	1,248,255,083
Oct 1, 2004	1,253,028,525
Sep 24, 2004	1,226,535,922
Sep 17, 2004	1,217,227,710
Sep 10, 2004	1,209,637,937
Sep 3, 2004	1,211,857,588
Aug 27, 2004	1,197,179,254
Aug 20, 2004	1,114,598,707
Aug 13, 2004	1,214,840,989
Aug 6, 2004	1,245,868,362
Jul 30, 2004	1,206,487,465
Jul 23, 2004	1,206,487,465
Jul 16, 2004	1,233,934,757
Jul 9, 2004	1,211,260,907
Jul 2, 2004	1,226,774,594
Jun 25, 2004	1,198,133,942
Jun 18, 2004	1,180,233,534
Jun 10, 2004	1,195,747,221
Jun 4, 2004	1,250,641,804
May 28, 2004	1,223,194,512
May 21, 2004	1,207,680,826
May 14, 2004	1,155,172,964
May 7, 2004	1,207,680,826
Apr 30, 2004	1,229,161,315
Apr 23, 2004	1,238,875,269
Apr 16, 2004	1,264,365,450
Apr 8, 2004	1,286,442,619
Apr 2, 2004	1,287,516,643
Mar 26, 2004	1,205,294,105
Mar 19, 2004	1,176,725,055
Mar 12, 2004	1,151,592,882
Mar 5, 2004	1,179,040,174
Feb 27, 2004	1,164,791,450
Feb 20, 2004	1,126,532,312
Feb 13, 2004	1,125,338,951
Feb 6, 2004	1,097,891,660
Jan 30, 2004	1,082,377,973
Jan 23, 2004	1,107,438,544
Jan 16, 2004	1,100,278,381
Jan 9, 2004	1,109,849,132
Jan 2, 2004	1,083,571,334
Dec 26, 2003	1,090,731,497
Dec 19, 2003	1,085,958,055
Dec 12, 2003	1,100,206,779
Dec 5, 2003	1,061,852,173
Nov 28, 2003	1,042,997,077
Nov 21, 2003	991,682,575
Nov 14, 2003	1,011,921,970
Nov 7, 2003	1,013,759,745
Oct 31, 2003	1,011,969,704
Oct 24, 2003	1,022,709,948
Oct 17, 2003	990,560,817
Oct 10, 2003	994,069,296
Oct 3, 2003	1,007,196,262
Sep 26, 2003	976,168,889
Sep 19, 2003	994,665,977
Sep 12, 2003	947,528,237
Sep 5, 2003	964,235,284
Aug 29, 2003	950,296,833
Aug 22, 2003	930,821,190
Aug 15, 2003	933,207,911
Aug 8, 2003	961,776,961
Aug 1, 2003	935,594,632
Jul 25, 2003	863,993,002
Jul 18, 2003	873,539,886
Jul 11, 2003	936,787,992
Jul 3, 2003	954,616,798
Jun 27, 2003	954,688,400
Jun 20, 2003	960,655,202
Jun 13, 2003	994,785,313
Jun 6, 2003	973,543,496
May 30, 2003	980,942,331
May 23, 2003	942,396,787
May 16, 2003	945,141,516
May 9, 2003	912,944,650
May 2, 2003	907,144,918
Apr 25, 2003	874,733,246
Apr 17, 2003	849,195,332
Apr 11, 2003	829,982,228
Apr 4, 2003	817,929,287
Mar 28, 2003	809,098,419
Mar 21, 2003	810,291,779
Mar 14, 2003	764,967,948
Mar 7, 2003	761,483,335
Feb 28, 2003	773,297,604
Feb 21, 2003	781,651,127
Feb 14, 2003	743,940,936
Feb 7, 2003	755,397,196
Jan 31, 2003	757,783,917
Jan 24, 2003	754,203,836
Jan 17, 2003	767,330,801
Jan 10, 2003	768,524,162
Jan 3, 2003	772,700,924
Dec 27, 2002	768,524,162
Dec 20, 2002	763,750,720
Dec 13, 2002	754,728,915
Dec 6, 2002	758,977,278
Nov 29, 2002	770,910,883
Nov 22, 2002	756,590,557
Nov 15, 2002	753,010,475