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 $4.610B $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 $1031.487B 22.49
Berkshire Hathaway (BRK.A) United States $1027.912B 22.40
Progressive (PGR) United States $145.014B 14.39
Sampo (SAXPY) Finland $119.383B 20.42
Chubb (CB) Switzerland $111.694B 12.93
Tokio Marine Holdings (TKOMY) Japan $77.534B 11.07
Travelers (TRV) United States $60.061B 11.70
Allstate (ALL) United States $52.283B 11.81
Fairfax Financial Holdings (FRFHF) Canada $40.539B 10.36
Hartford Insurance (HIG) United States $35.004B 12.11
MS&AD Insurances (MSADY) Japan $33.873B 7.00
Arch Capital Group (ACGL) Bermuda $33.353B 10.65
W.R Berkley (WRB) United States $26.001B 16.64
Cincinnati Financial (CINF) United States $23.602B 26.92
CNA Financial (CNA) United States $12.081B 9.81
RenaissanceRe Holdings (RNR) Bermuda $11.536B 8.12
Kinsale Capital (KNSL) United States $11.315B 29.81
American Financial (AFG) United States $10.752B 13.11
Axis Capital Holdings (AXS) Bermuda $7.629B 8.23
RLI (RLI) United States $6.393B 24.66
Hanover Insurance (THG) United States $6.027B 11.89
First American Financial (FAF) United States $5.923B 11.99
Essent Group (ESNT) Bermuda $5.760B 8.32
Selective Insurance (SIGI) United States $5.525B 24.70
Mercury General (MCY) United States $3.825B 16.76
Palomar Holdings (PLMR) United States $3.685B 26.05
Hagerty (HGTY) United States $3.465B 37.56
NMI Holdings Inc (NMIH) United States $3.016B 8.21
Skyward Specialty Insurance (SKWD) United States $2.162B 16.67
Root (ROOT) United States $1.938B 39.41
Stewart Information Services (STC) United States $1.652B 17.15
HCI (HCI) United States $1.650B 13.82
ProAssurance (PRA) United States $1.214B 22.42
Bowhead Specialty Holdings (BOW) United States $1.106B 23.76
Safety Insurance (SAFT) United States $1.077B 16.08
UNIVERSAL INSURANCE HOLDINGS INC (UVE) United States $0.722B 11.98
United Fire (UFCS) United States $0.702B 10.25
Heritage Insurance Holdings (HRTG) United States $0.685B 8.74
Donegal (DGICA) United States $0.661B 9.25
Donegal (DGICB) United States $0.567B 8.67
American Coastal Insurance (ACIC) United States $0.527B 7.36
Greenlight Capital Re (GLRE) Cayman Islands $0.460B 10.31
Global Indemnity (GBLI) United States $0.446B 15.50
Ambac Financial (AMBC) United States $0.404B 0.00
Kingsway Financial Services (KFS) United States $0.397B 0.00
Investors Title (ITIC) United States $0.389B 13.13
American Integrity Insurance (AII) United States $0.343B 0.00
NI Holdings (NODK) United States $0.276B 46.03
Kingstone (KINS) United States $0.219B 10.26
First Acceptance (FACO) United States $0.119B 5.59
Roadzen (RDZN) United States $0.079B 0.00
Conifer Holdings (CNFR) United States $0.011B 0.00