White Mountains Insurance Group Shares Outstanding 2011-2025 | WTM

White Mountains Insurance Group shares outstanding from 2011 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
White Mountains Insurance Group Quarterly Shares Outstanding
(Millions of Shares)
2025-06-30 3
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
Sector Industry Market Cap Revenue
Finance Property, Casualty and Title Insurance $4.872B $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.A) United States $1064.141B 21.80
Berkshire Hathaway (BRK.B) United States $1063.890B 21.79
Progressive (PGR) United States $122.915B 11.87
Sampo (SAXPY) Finland $122.451B 19.92
Chubb (CB) Switzerland $111.395B 12.13
Tokio Marine Holdings (TKOMY) Japan $73.492B 10.35
Travelers (TRV) United States $61.624B 10.74
Allstate (ALL) United States $51.816B 6.99
Hartford Insurance (HIG) United States $35.651B 10.38
Fairfax Financial Holdings (FRFHF) Canada $35.033B 7.58
MS&AD Insurances (MSADY) Japan $33.323B 6.84
Arch Capital Group (ACGL) Bermuda $32.754B 9.59
W.R Berkley (WRB) United States $28.342B 17.39
Cincinnati Financial (CINF) United States $25.178B 20.90
RenaissanceRe Holdings (RNR) Bermuda $12.278B 7.72
CNA Financial (CNA) United States $11.963B 8.82
American Financial (AFG) United States $11.794B 14.49
Kinsale Capital (KNSL) United States $9.145B 21.46
Axis Capital Holdings (AXS) Bermuda $7.518B 7.70
Hanover Insurance (THG) United States $6.291B 9.49
First American Financial (FAF) United States $6.198B 11.22
Essent Group (ESNT) Bermuda $5.989B 8.87
RLI (RLI) United States $5.572B 20.22
Selective Insurance (SIGI) United States $4.661B 11.98
Mercury General (MCY) United States $4.542B 11.68
Hagerty (HGTY) United States $3.991B 32.42
Palomar Holdings (PLMR) United States $3.155B 18.15
NMI Holdings Inc (NMIH) United States $2.773B 7.55
HCI (HCI) United States $2.527B 12.39
Stewart Information Services (STC) United States $1.944B 15.96
Skyward Specialty Insurance (SKWD) United States $1.849B 12.54
Root (ROOT) United States $1.251B 24.47
ProAssurance (PRA) United States $1.233B 20.68
Safety Insurance (SAFT) United States $1.094B 14.27
UNIVERSAL INSURANCE HOLDINGS INC (UVE) United States $0.919B 7.66
United Fire (UFCS) United States $0.896B 8.08
Heritage Insurance Holdings (HRTG) United States $0.864B 5.77
Bowhead Specialty Holdings (BOW) United States $0.822B 15.67
Donegal (DGICA) United States $0.695B 8.06
American Coastal Insurance (ACIC) United States $0.594B 7.21
Donegal (DGICB) United States $0.560B 6.97
Investors Title (ITIC) United States $0.518B 14.44
American Integrity Insurance (AII) United States $0.486B 0.00
Greenlight Capital Re (GLRE) Cayman Islands $0.434B 0.00
Kingsway Financial Services (KFS) United States $0.422B 0.00
Global Indemnity (GBLI) United States $0.414B 13.52
Ambac Financial (AMBC) United States $0.380B 0.00
NI Holdings (NODK) United States $0.274B 165.50
Kingstone (KINS) United States $0.210B 7.02
First Acceptance (FACO) United States $0.147B 5.19
Roadzen (RDZN) United States $0.110B 0.00
American Overseas Group (AOREF) Bermuda $0.059B 5.18