White Mountains Insurance Group - 36 Year Stock Price History | WTM

Historical daily share price chart and data for White Mountains Insurance Group since 1986 adjusted for splits. The latest closing stock price for White Mountains Insurance Group as of September 23, 2022 is 1221.76.
  • The all-time high White Mountains Insurance Group stock closing price was 1393.48 on September 08, 2022.
  • The White Mountains Insurance Group 52-week high stock price is 1393.48, which is 14.1% above the current share price.
  • The White Mountains Insurance Group 52-week low stock price is 978.50, which is 19.9% below the current share price.
  • The average White Mountains Insurance Group stock price for the last 52 weeks is 1136.90.
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
2022 1165.9485 1009.2707 1393.4800 1005.4045 1221.7600 20.62%
2021 1113.2771 1012.7583 1265.2317 985.9531 1012.9272 1.41%
2020 932.8487 1119.5338 1161.0291 694.7834 998.8534 -10.19%
2019 1004.4715 851.5104 1125.7252 847.2777 1112.1660 30.20%
2018 877.7772 843.5551 975.0142 784.8678 854.1894 0.88%
2017 869.3889 844.1679 940.9452 834.1424 846.7679 1.93%
2016 801.7245 714.6135 862.4503 694.1214 830.7045 15.18%
2015 697.1951 626.2329 801.8215 612.3607 721.2523 15.52%
2014 604.3953 594.3450 668.5532 553.1961 624.3602 4.66%
2013 571.0505 516.9066 603.8805 516.9066 596.5410 17.31%
2012 501.8990 449.1977 540.7722 433.5294 508.5137 13.80%
2011 387.0943 337.7926 446.8524 334.0979 446.8524 35.50%
2010 322.1949 328.7486 356.6003 292.0605 329.7743 1.17%
2009 250.4388 256.5312 331.2767 146.0884 325.9658 25.30%
2008 409.9795 491.4757 496.7005 206.2281 260.1444 -47.59%
2007 530.5397 551.9444 581.0967 480.9577 496.3519 -9.98%
2006 503.4144 518.6179 571.1885 425.4206 551.4020 5.66%
2005 580.8362 580.3876 652.0697 519.1131 521.8412 -12.17%
2004 474.6653 415.8448 606.1321 415.3869 594.1750 41.04%
2003 351.6378 294.4632 422.2565 283.7223 421.2948 43.29%
2002 298.2410 316.6782 344.0713 258.9637 294.0080 -6.63%
2001 301.5356 283.8274 353.7748 260.6807 314.8686 9.81%
2000 156.5158 104.3231 286.7488 90.9164 286.7488 168.02%
1999 117.9064 124.1658 131.1611 102.6417 106.9866 -12.64%
1998 118.5972 105.4114 133.0562 102.0105 122.4695 17.14%
1997 91.8978 82.1250 107.1394 81.4817 104.5474 27.30%
1996 71.3056 63.1976 82.1250 61.4982 82.1250 29.74%
1995 60.7592 61.4266 64.3920 56.1312 63.2995 3.41%
1994 60.4425 64.6038 67.1456 51.2594 61.2147 -7.96%
1993 70.5670 61.0029 78.2701 60.6810 66.5101 9.03%
1992 58.3079 58.9864 62.6974 53.3776 61.0029 3.03%
1991 52.7121 44.0025 59.4101 42.3262 59.2067 36.16%
1990 32.0871 29.0150 43.4828 24.6221 43.4828 52.02%
1989 28.2938 23.5523 32.9866 23.4553 28.6034 20.91%
1988 23.7935 21.0532 26.8763 20.5507 23.6575 15.64%
1987 27.6039 27.4907 33.0698 19.1624 20.4573 -25.84%
Sector Industry Market Cap Revenue
Finance Property, Casualty and Title Insurance $3.552B $0.945B
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 $593.501B 19.93
Berkshire Hathaway (BRK.B) United States $589.365B 19.81
Chubb (CB) Switzerland $75.296B 12.46
Progressive (PGR) United States $71.085B 37.28
Travelers (TRV) United States $36.897B 10.66
Allstate (ALL) United States $34.495B 24.08
W.R Berkley (WRB) United States $16.935B 15.50
Markel (MKL) United States $14.899B 20.18
Alleghany (Y) United States $11.329B 15.79
American Financial (AFG) United States $10.510B 9.32
Fidelity National Financial (FNF) United States $10.088B 4.84
CNA Financial (CNA) United States $10.066B 9.51
Everest Re Group (RE) Bermuda $10.054B 9.15
RenaissanceRe Holdings (RNR) Bermuda $6.019B 29.05
Kinsale Capital (KNSL) United States $5.629B 35.62
CCC Intelligent Solutions Holdings (CCCS) United States $5.228B 0.00
First American Financial (FAF) United States $4.885B 6.20
Hanover Insurance (THG) United States $4.710B 13.48
RLI (RLI) United States $4.700B 21.45
Axis Capital Holdings (AXS) Bermuda $4.310B 8.53
Mercury General (MCY) United States $1.667B 0.00
Stewart Information Services (STC) United States $1.186B 4.10
ProAssurance (PRA) United States $1.085B 15.35
Argos (ARGO) Bermuda $0.721B 16.20
Ambac Financial (AMBC) United States $0.574B 13.43
HCI (HCI) United States $0.402B 0.00
Global Indemnity (GBLI) United States $0.324B 29.32
UNIVERSAL INSURANCE HOLDINGS INC (UVE) United States $0.318B 49.24
Kingsway Financial Services (KFS) United States $0.177B 17.02
Heritage Insurance Holdings (HRTG) United States $0.065B 0.00