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
Nov 8, 2002	748,237,033
Nov 1, 2002	772,128,111
Oct 25, 2002	760,194,506
Oct 18, 2002	761,363,999
Oct 11, 2002	747,043,673
Oct 4, 2002	689,762,369
Sep 27, 2002	711,242,858
Sep 20, 2002	718,403,021
Sep 13, 2002	755,993,877
Sep 6, 2002	725,563,184
Aug 30, 2002	742,270,231
Aug 23, 2002	770,910,883
Aug 16, 2002	753,010,475
Aug 9, 2002	755,397,196
Aug 2, 2002	770,672,211
Jul 26, 2002	711,242,858
Jul 19, 2002	687,375,648
Jul 12, 2002	751,817,115
Jul 5, 2002	767,927,482
Jun 28, 2002	755,397,196
Jun 21, 2002	813,871,861
Jun 14, 2002	787,617,930
Jun 7, 2002	806,115,018
May 31, 2002	847,285,955
May 24, 2002	856,116,823
May 17, 2002	898,600,456
May 10, 2002	872,346,525
May 3, 2002	880,723,916
Apr 26, 2002	844,040,014
Apr 19, 2002	862,107,492
Apr 12, 2002	863,993,002
Apr 5, 2002	842,512,513
Mar 28, 2002	824,373,433
Mar 22, 2002	829,385,547
Mar 15, 2002	840,125,792
Mar 8, 2002	787,617,930
Mar 1, 2002	787,617,930
Feb 22, 2002	788,811,290
Feb 15, 2002	792,391,372
Feb 8, 2002	780,219,095
Feb 1, 2002	801,938,256
Jan 25, 2002	794,730,359
Jan 18, 2002	794,778,093
Jan 11, 2002	798,358,174
Jan 4, 2002	811,485,140
Dec 28, 2001	837,739,071
Dec 21, 2001	840,125,792
Dec 14, 2001	837,739,071
Dec 7, 2001	843,705,873
Nov 30, 2001	806,711,698
Nov 23, 2001	805,518,337
Nov 16, 2001	835,352,350
Nov 9, 2001	858,980,888
Nov 2, 2001	844,899,234
Oct 26, 2001	823,418,745
Oct 19, 2001	821,032,024
Oct 12, 2001	804,324,977
Oct 5, 2001	823,418,745
Sep 28, 2001	794,778,093
Sep 21, 2001	768,524,162
Sep 10, 2001	862,823,509
Sep 7, 2001	850,866,036
Aug 31, 2001	806,711,698
Aug 24, 2001	828,311,523
Aug 17, 2001	809,098,419
Aug 10, 2001	806,711,698
Aug 3, 2001	847,285,955
Jul 27, 2001	852,059,397
Jul 20, 2001	840,125,792
Jul 13, 2001	813,871,861
Jul 6, 2001	897,407,096
Jun 29, 2001	898,003,776
Jun 22, 2001	926,047,748
Jun 15, 2001	902,180,538
Jun 8, 2001	882,967,434
Jun 1, 2001	835,352,350
May 25, 2001	795,565,711
May 18, 2001	773,297,604
May 11, 2001	742,270,231
May 4, 2001	737,496,789
Apr 27, 2001	739,883,510
Apr 20, 2001	725,587,051
Apr 12, 2001	739,883,510
Apr 6, 2001	770,910,883
Mar 30, 2001	784,037,848
Mar 23, 2001	740,838,198
Mar 16, 2001	730,336,626
Mar 9, 2001	755,397,196
Mar 2, 2001	751,220,435
Feb 23, 2001	716,016,300
Feb 16, 2001	739,883,510
Feb 9, 2001	747,043,673
Feb 2, 2001	711,242,858
Jan 26, 2001	694,249,404
Jan 19, 2001	693,342,450
Jan 12, 2001	718,403,021
Jan 5, 2001	723,176,463
Dec 29, 2000	761,363,999
Dec 22, 2000	696,922,532
Dec 15, 2000	682,459,003