White Mountains Insurance Group Shares Outstanding 2010-2025 | WTM

White Mountains Insurance Group shares outstanding from 2010 to 2025. Shares outstanding can be defined as the number of shares held by shareholders (including insiders) assuming conversion of all convertible debt, securities, warrants and options. This metric excludes the company's treasury shares.
White Mountains Insurance Group Annual Shares Outstanding
(Millions of Shares)
2024 3
2023 3
2022 3
2021 3
2020 3
2019 3
2018 3
2017 4
2016 5
2015 6
2014 6
2013 6
2012 7
2011 8
2010 8
2009 9
White Mountains Insurance Group Quarterly Shares Outstanding
(Millions of Shares)
2025-03-31 3
2024-12-31 3
2024-09-30 3
2024-06-30 3
2024-03-31 3
2023-12-31 3
2023-09-30 3
2023-06-30 3
2023-03-31 3
2022-12-31 3
2022-09-30 3
2022-06-30 3
2022-03-31 3
2021-12-31 3
2021-09-30 3
2021-06-30 3
2021-03-31 3
2020-12-31 3
2020-09-30 3
2020-06-30 3
2020-03-31 3
2019-12-31 3
2019-09-30 3
2019-06-30 3
2019-03-31 3
2018-12-31 3
2018-09-30 3
2018-06-30 3
2018-03-31 4
2017-12-31 4
2017-09-30 4
2017-06-30 5
2017-03-31 5
2016-12-31 5
2016-09-30 5
2016-06-30 5
2016-03-31 5
2015-12-31 6
2015-09-30 6
2015-06-30 6
2015-03-31 6
2014-12-31 6
2014-09-30 6
2014-06-30 6
2014-03-31 6
2013-12-31 6
2013-09-30 6
2013-06-30 6
2013-03-31 6
2012-12-31 7
2012-09-30 6
2012-06-30 7
2012-03-31 7
2011-12-31 8
2011-09-30 8
2011-06-30 8
2011-03-31 8
2010-12-31 8
2010-09-30 8
2010-06-30 9
2010-03-31 9
2009-12-31 9
2009-09-30 9
2009-06-30 9
2009-03-31 9
Sector Industry Market Cap Revenue
Finance Property, Casualty and Title Insurance $4.625B $2.240B
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.B) United States $1028.100B 22.42
Berkshire Hathaway (BRK.A) United States $1026.467B 22.37
Progressive (PGR) United States $141.567B 14.05
Sampo (SAXPY) Finland $116.907B 20.00
Chubb (CB) Switzerland $107.068B 12.46
Tokio Marine Holdings (TKOMY) Japan $77.902B 11.13
Travelers (TRV) United States $58.494B 11.39
Allstate (ALL) United States $51.348B 11.60
Fairfax Financial Holdings (FRFHF) Canada $41.256B 10.54
Hartford Insurance (HIG) United States $35.045B 11.25
MS&AD Insurances (MSADY) Japan $33.985B 7.02
Arch Capital Group (ACGL) Bermuda $32.274B 10.29
W.R Berkley (WRB) United States $26.035B 16.66
Cincinnati Financial (CINF) United States $23.835B 24.23
CNA Financial (CNA) United States $12.037B 9.78
RenaissanceRe Holdings (RNR) Bermuda $11.500B 8.40
American Financial (AFG) United States $10.517B 12.83
Kinsale Capital (KNSL) United States $10.498B 26.02
Axis Capital Holdings (AXS) Bermuda $7.640B 8.00
First American Financial (FAF) United States $6.213B 12.06
RLI (RLI) United States $6.124B 23.61
Hanover Insurance (THG) United States $5.978B 11.79
Essent Group (ESNT) Bermuda $5.733B 8.28
Selective Insurance (SIGI) United States $4.930B 13.30
Mercury General (MCY) United States $3.888B 12.32
Hagerty (HGTY) United States $3.520B 38.15
Palomar Holdings (PLMR) United States $3.476B 24.57
NMI Holdings Inc (NMIH) United States $2.966B 8.04
Skyward Specialty Insurance (SKWD) United States $2.057B 15.86
Stewart Information Services (STC) United States $1.826B 16.86
Root (ROOT) United States $1.745B 35.49
HCI (HCI) United States $1.597B 13.38
ProAssurance (PRA) United States $1.215B 22.45
Bowhead Specialty Holdings (BOW) United States $1.072B 23.03
Safety Insurance (SAFT) United States $1.050B 15.67
United Fire (UFCS) United States $0.696B 10.16
UNIVERSAL INSURANCE HOLDINGS INC (UVE) United States $0.662B 10.74
Heritage Insurance Holdings (HRTG) United States $0.639B 8.15
Donegal (DGICA) United States $0.630B 7.58
Donegal (DGICB) United States $0.526B 6.81
American Coastal Insurance (ACIC) United States $0.507B 7.09
Greenlight Capital Re (GLRE) Cayman Islands $0.451B 10.12
Global Indemnity (GBLI) United States $0.439B 15.24
Investors Title (ITIC) United States $0.405B 13.68
Ambac Financial (AMBC) United States $0.397B 0.00
Kingsway Financial Services (KFS) United States $0.396B 0.00
American Integrity Insurance (AII) United States $0.344B 0.00
NI Holdings (NODK) United States $0.269B 44.90
Kingstone (KINS) United States $0.224B 10.50
First Acceptance (FACO) United States $0.122B 5.76
Roadzen (RDZN) United States $0.088B 0.00
Conifer Holdings (CNFR) United States $0.011B 0.00