White Mountains Insurance Group - 37 Year Stock Price History | WTM

Historical daily share price chart and data for White Mountains Insurance Group since 1986 adjusted for splits and dividends. The latest closing stock price for White Mountains Insurance Group as of September 22, 2023 is 1558.21.
  • The all-time high White Mountains Insurance Group stock closing price was 1607.11 on July 26, 2023.
  • The White Mountains Insurance Group 52-week high stock price is 1617.00, which is 3.8% above the current share price.
  • The White Mountains Insurance Group 52-week low stock price is 1172.00, which is 24.8% below the current share price.
  • The average White Mountains Insurance Group stock price for the last 52 weeks is 1427.97.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
White Mountains Insurance Group Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2023 1457.5048 1395.7910 1607.1100 1319.0500 1558.2100 10.25%
2022 1214.4468 1008.5417 1421.7822 1004.6782 1413.3084 39.63%
2021 1112.4729 1012.0267 1264.3177 985.2409 1012.1956 1.41%
2020 932.1748 1118.7252 1160.1904 694.2815 998.1319 -10.19%
2019 1003.7460 850.8953 1124.9121 846.6657 1111.3626 30.20%
2018 877.1432 842.9457 974.3099 784.3008 853.5724 0.88%
2017 868.7609 843.5581 940.2655 833.5399 846.1563 1.93%
2016 801.1454 714.0973 861.8273 693.6200 830.1045 15.18%
2015 696.6915 625.7806 801.2423 611.9184 720.7313 15.52%
2014 603.9587 593.9157 668.0703 552.7965 623.9092 4.66%
2013 570.6381 516.5332 603.4443 516.5332 596.1101 17.31%
2012 501.5365 448.8732 540.3816 433.2162 508.1464 13.80%
2011 386.8147 337.5486 446.5296 333.8565 446.5296 35.50%
2010 321.9621 328.5112 356.3428 291.8495 329.5360 1.17%
2009 250.2579 256.3459 331.0374 145.9829 325.7303 25.30%
2008 409.6834 491.1207 496.3417 206.0791 259.9565 -47.59%
2007 530.1565 551.5458 580.6770 480.6102 495.9933 -9.98%
2006 503.0508 518.2433 570.7759 425.1133 551.0037 5.66%
2005 580.4166 579.9683 651.5987 518.7381 521.4642 -12.17%
2004 474.3224 415.5445 605.6943 415.0868 593.7458 41.04%
2003 351.3838 294.2505 421.9515 283.5174 420.9905 43.29%
2002 298.0256 316.4495 343.8228 258.7767 293.7957 -6.63%
2001 301.3177 283.6223 353.5193 260.4924 314.6412 9.81%
2000 156.4028 104.2477 286.5417 90.8508 286.5417 168.02%
1999 117.8213 124.0761 131.0663 102.5675 106.9094 -12.64%
1998 118.5115 105.3352 132.9601 101.9368 122.3810 17.14%
1997 91.8314 82.0656 107.0620 81.4228 104.4718 27.30%
1996 71.2541 63.1519 82.0656 61.4538 82.0656 29.74%
1995 60.7153 61.3822 64.3455 56.0906 63.2538 3.41%
1994 60.3988 64.5571 67.0971 51.2224 61.1705 -7.96%
1993 70.5160 60.9589 78.2136 60.6371 66.4621 9.03%
1992 58.2657 58.9438 62.6522 53.3390 60.9589 3.03%
1991 52.6740 43.9707 59.3672 42.2956 59.1640 36.16%
1990 32.0639 28.9940 43.4514 24.6043 43.4514 52.02%
1989 28.2734 23.5353 32.9628 23.4383 28.5827 20.91%
1988 23.7763 21.0380 26.8569 20.5358 23.6404 15.64%
1987 27.5839 27.4708 33.0459 19.1485 20.4426 -25.84%
Sector Industry Market Cap Revenue
Finance Property, Casualty and Title Insurance $3.990B $1.158B
White Mountains Insurance Group, Ltd. is engaged in the business of property and casualty insurance and reinsurance.
Stock Name Country Market Cap PE Ratio
Berkshire Hathaway (BRK.A) United States $790.592B 24.45
Berkshire Hathaway (BRK.B) United States $781.925B 24.19
Tokio Marine Holdings (TKOMY) Japan $149.940B 0.00
Chubb (CB) Switzerland $87.519B 12.87
Progressive (PGR) United States $83.855B 45.62
Travelers (TRV) United States $38.426B 17.18
Arch Capital Group (ACGL) Bermuda $30.194B 13.34
Allstate (ALL) United States $29.843B 0.00
Sampo (SAXPY) Finland $22.154B 18.68
Fairfax Financial Holdings (FRFHF) Canada $20.947B 5.63
MS&AD Insurances (MSADY) Japan $20.880B 12.98
Cincinnati Financial (CINF) United States $16.785B 26.10
W.R Berkley (WRB) United States $16.716B 15.06
Fidelity National Financial (FNF) United States $11.301B 11.34
CNA Financial (CNA) United States $10.943B 9.83
RenaissanceRe Holdings (RNR) Bermuda $10.383B 13.52
Kinsale Capital (KNSL) United States $9.870B 44.58
American Financial (AFG) United States $9.615B 10.79
CCC Intelligent Solutions Holdings (CCCS) United States $7.428B 51.09
RLI (RLI) United States $6.383B 29.04
Selective Insurance (SIGI) United States $6.361B 21.52
First American Financial (FAF) United States $6.012B 12.12
Axis Capital Holdings (AXS) Bermuda $4.939B 8.86
Hanover Insurance (THG) United States $4.020B 0.00
NMI Holdings Inc (NMIH) United States $2.330B 7.89
Mercury General (MCY) United States $1.566B 0.00
Palomar Holdings (PLMR) United States $1.277B 19.63
Stewart Information Services (STC) United States $1.205B 18.28
Skyward Specialty Insurance (SKWD) United States $1.073B 0.00
Argos (ARGO) Bermuda $1.047B 0.00
Safety Insurance (SAFT) United States $1.030B 34.15
ProAssurance (PRA) United States $0.989B 1900.00
Ambac Financial (AMBC) United States $0.570B 1.11
United Fire (UFCS) United States $0.501B 0.00
Donegal (DGICA) United States $0.496B 0.00
Global Indemnity (GBLI) United States $0.467B 22.12
Donegal (DGICB) United States $0.464B 0.00
HCI (HCI) United States $0.434B 0.00
UNIVERSAL INSURANCE HOLDINGS INC (UVE) United States $0.403B 121.73
Greenlight Capital Re (GLRE) Cayman Islands $0.385B 5.93
American Coastal Insurance (ACIC) United States $0.323B 0.00
Investors Title (ITIC) United States $0.277B 11.48
NI Holdings (NODK) United States $0.267B 0.00
Kingsway Financial Services (KFS) United States $0.217B 18.23
Maiden Holdings (MHLD) Bermuda $0.192B 4.20
Root (ROOT) United States $0.148B 0.00
Heritage Insurance Holdings (HRTG) United States $0.128B 0.00
ICC Holdings (ICCH) United States $0.051B 8.01
Kingstone (KINS) United States $0.019B 0.00
Conifer Holdings (CNFR) United States $0.016B 0.00
FG Financial Group (FGF) United States $0.014B 1.75
Hallmark Financial Services (HALL) United States $0.003B 0.00