Earnings Per Share, Basic of WHITE MOUNTAINS INSURANCE GROUP LTD from 31 Mar 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: USD/shares
Description
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
Summary
WHITE MOUNTAINS INSURANCE GROUP LTD quarterly and annual Earnings Per Share, Basic in USD/shares history and change rate from 31 Mar 2010 to 31 Dec 2025.
  • WHITE MOUNTAINS INSURANCE GROUP LTD Earnings Per Share, Basic for the quarter ending 31 Dec 2025 was 325.
  • WHITE MOUNTAINS INSURANCE GROUP LTD Earnings Per Share, Basic for the twelve months ending 31 Dec 2025 was 430, a 379% increase year-over-year.
  • WHITE MOUNTAINS INSURANCE GROUP LTD annual Earnings Per Share, Basic for 2025 was 430, a 379% increase from 2024.
  • WHITE MOUNTAINS INSURANCE GROUP LTD annual Earnings Per Share, Basic for 2024 was 89.79, a 55% decline from 2023.
  • WHITE MOUNTAINS INSURANCE GROUP LTD annual Earnings Per Share, Basic for 2023 was 199, a 28% decline from 2022.
Source SEC data
View on sec.gov
Earnings Per Share, Basic, Trailing 12 Months (USD/shares)
Earnings Per Share, Basic, Quarterly (USD/shares)
Earnings Per Share, Basic, YoY Quarterly Change (%)
Earnings Per Share, Basic, Annual (USD/shares)
Earnings Per Share, Basic, YoY Annual Change (%)

WHITE MOUNTAINS INSURANCE GROUP LTD Quarterly Earnings Per Share, Basic (USD/shares)

Period TTM Value Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
Q4 2025 430 325 +376 01 Oct 2025 31 Dec 2025 10-K 27 Feb 2026 2025 FY
Q3 2025 54.14 44.18 -25.5 -37% 01 Jul 2025 30 Sep 2025 10-Q 06 Nov 2025 2025 Q3
Q2 2025 79.64 47.75 +68.99 01 Apr 2025 30 Jun 2025 10-Q 07 Aug 2025 2025 Q2
Q1 2025 10.65 13.19 -79.14 -86% 01 Jan 2025 31 Mar 2025 10-Q 07 May 2025 2025 Q1
Q4 2024 89.79 -50.98 -163 -146% 01 Oct 2024 31 Dec 2024 10-K 27 Feb 2026 2025 FY
Q3 2024 253 69.68 +60.49 +658% 01 Jul 2024 30 Sep 2024 10-Q 06 Nov 2025 2025 Q3
Q2 2024 192 -21.24 -28.89 -378% 01 Apr 2024 30 Jun 2024 10-Q 07 Aug 2025 2025 Q2
Q1 2024 221 92.33 +22.5 +32% 01 Jan 2024 31 Mar 2024 10-Q 07 May 2025 2025 Q1
Q4 2023 199 112 +96.2 +612% 01 Oct 2023 31 Dec 2023 10-K 27 Feb 2026 2025 FY
Q3 2023 102 9.19 -298 -97% 01 Jul 2023 30 Sep 2023 10-Q 06 Nov 2024 2024 Q3
Q2 2023 400 7.65 +64.45 01 Apr 2023 30 Jun 2023 10-Q 07 Aug 2024 2024 Q2
Q1 2023 336 69.83 +58.73 +529% 01 Jan 2023 31 Mar 2023 10-Q 09 May 2024 2024 Q1
Q4 2022 277 15.73 +5.27 +50% 01 Oct 2022 31 Dec 2022 10-K 28 Feb 2025 2024 FY
Q3 2022 272 307 +427 01 Jul 2022 30 Sep 2022 10-Q 06 Nov 2023 2023 Q3
Q2 2022 -155 -56.8 -101 -227% 01 Apr 2022 30 Jun 2022 10-Q 07 Aug 2023 2023 Q2
Q1 2022 -54.06 11.1 +35.4 01 Jan 2022 31 Mar 2022 10-Q 09 May 2023 2023 Q1
Q4 2021 -89.46 10.46 -147 -93% 01 Oct 2021 31 Dec 2021 10-K 26 Feb 2024 2023 FY
Q3 2021 57.78 -120 -195 -260% 01 Jul 2021 30 Sep 2021 10-Q 07 Nov 2022 2022 Q3
Q2 2021 253 44.56 +7.42 +20% 01 Apr 2021 30 Jun 2021 10-Q 08 Aug 2022 2022 Q2
Q1 2021 246 -24.3 +16.24 +40% 01 Jan 2021 31 Mar 2021 10-Q 06 May 2022 2022 Q1
Q4 2020 229 158 +139 +725% 01 Oct 2020 31 Dec 2020 10-K 26 Feb 2021 2020 FY
Q3 2020 90.81 75.09 +59.8 +391% 01 Jul 2020 30 Sep 2020 10-Q 08 Nov 2021 2021 Q3
Q2 2020 31.01 37.14 +30.7 +477% 01 Apr 2020 30 Jun 2020 10-Q 06 Aug 2021 2021 Q2
Q1 2020 0.31 -40.54 -130 -145% 01 Jan 2020 31 Mar 2020 10-Q 10 May 2021 2021 Q1
Q4 2019 130 19.12 +62.36 01 Oct 2019 31 Dec 2019 10-K 26 Feb 2021 2020 FY
Q3 2019 68.13 15.29 +2.46 +19% 01 Jul 2019 30 Sep 2019 10-K 26 Feb 2021 2020 FY
Q2 2019 65.67 6.44 +5.42 +531% 01 Apr 2019 30 Jun 2019 10-K 26 Feb 2021 2020 FY
Q1 2019 60.25 89.64 +102 01 Jan 2019 31 Mar 2019 10-K 26 Feb 2021 2020 FY
Q4 2018 -42.21 -43.24 -49.24 -821% 01 Oct 2018 31 Dec 2018 10-K 02 Mar 2020 2019 FY
Q3 2018 7.03 12.83 -118 -90% 01 Jul 2018 30 Sep 2018 10-K 02 Mar 2020 2019 FY
Q2 2018 125 1.02 -1.95 -66% 01 Apr 2018 30 Jun 2018 10-K 02 Mar 2020 2019 FY
Q1 2018 127 -12.82 -19.16 -302% 01 Jan 2018 31 Mar 2018 10-K 02 Mar 2020 2019 FY
Q4 2017 146 6 +14.52 01 Oct 2017 31 Dec 2017 10-K 27 Feb 2019 2018 FY
Q3 2017 132 131 +112 +601% 01 Jul 2017 30 Sep 2017 10-K 27 Feb 2019 2018 FY
Q2 2017 19.44 2.97 -63.83 -96% 01 Apr 2017 30 Jun 2017 10-K 27 Feb 2019 2018 FY
Q1 2017 83.27 6.34 +4.64 +273% 01 Jan 2017 31 Mar 2017 10-K 27 Feb 2019 2018 FY
Q4 2016 78.63 -8.52 -55.8 -118% 01 Oct 2016 31 Dec 2016 10-K 28 Feb 2018 2017 FY
Q3 2016 134 18.65 +28.66 01 Jul 2016 30 Sep 2016 10-K 28 Feb 2018 2017 FY
Q2 2016 106 66.8 +66.08 +9178% 01 Apr 2016 30 Jun 2016 10-K 28 Feb 2018 2017 FY
Q1 2016 39.69 1.7 -12.39 -88% 01 Jan 2016 31 Mar 2016 10-K 28 Feb 2018 2017 FY
Q4 2015 52.08 47.28 +35.63 +306% 01 Oct 2015 31 Dec 2015 10-K 27 Feb 2017 2016 FY
Q3 2015 16.45 -10.01 -18.43 -219% 01 Jul 2015 30 Sep 2015 10-K 27 Feb 2017 2016 FY
Q2 2015 34.88 0.72 -14.78 -95% 01 Apr 2015 30 Jun 2015 10-K 27 Feb 2017 2016 FY
Q1 2015 49.66 14.09 -1.39 -9% 01 Jan 2015 31 Mar 2015 10-K 27 Feb 2017 2016 FY
Q4 2014 51.05 11.65 -7.44 -39% 01 Oct 2014 31 Dec 2014 10-K 29 Feb 2016 2015 FY
Q3 2014 58.49 8.42 -0.84 -9.1% 01 Jul 2014 30 Sep 2014 10-K 29 Feb 2016 2015 FY
Q2 2014 59.33 15.5 +11.24 +264% 01 Apr 2014 30 Jun 2014 10-K 29 Feb 2016 2015 FY
Q1 2014 48.09 15.48 -3.69 -19% 01 Jan 2014 31 Mar 2014 10-K 29 Feb 2016 2015 FY
Q4 2013 51.78 19.09 +8.66 +83% 01 Oct 2013 31 Dec 2013 10-K 27 Feb 2015 2014 FY
Q3 2013 43.12 9.26 +6.36 +219% 01 Jul 2013 30 Sep 2013 10-K 27 Feb 2015 2014 FY
Q2 2013 36.76 4.26 +0.34 +8.7% 01 Apr 2013 30 Jun 2013 10-K 27 Feb 2015 2014 FY
Q1 2013 36.42 19.17 +6.56 +52% 01 Jan 2013 31 Mar 2013 10-K 27 Feb 2015 2014 FY
Q4 2012 29.86 10.43 -94.61 -90% 01 Oct 2012 31 Dec 2012 10-K 28 Feb 2014 2013 FY
Q3 2012 124 2.9 +4.9 01 Jul 2012 30 Sep 2012 10-K 28 Feb 2014 2013 FY
Q2 2012 120 3.92 +2.44 +165% 01 Apr 2012 30 Jun 2012 10-K 28 Feb 2014 2013 FY
Q1 2012 117 12.61 +16.12 01 Jan 2012 31 Mar 2012 10-K 28 Feb 2014 2013 FY
Q4 2011 101 105 +96.21 +1090% 01 Oct 2011 31 Dec 2011 10-K 01 Mar 2013 2012 FY
Q3 2011 4.8 -2 -8.01 -133% 01 Jul 2011 30 Sep 2011 10-K 01 Mar 2013 2012 FY
Q2 2011 12.81 1.48 +1.2 +429% 31 Mar 2011 30 Jun 2011 10-K 28 Feb 2012 2011 FY
Q1 2011 11.61 -3.51 +0.97 +22% 30 Dec 2010 31 Mar 2011 10-K 28 Feb 2012 2011 FY
Q4 2010 10.64 8.83 01 Oct 2010 31 Dec 2010 10-K 28 Feb 2012 2011 FY
Q3 2010 6.01 01 Jul 2010 30 Sep 2010 10-K 28 Feb 2012 2011 FY
Q2 2010 0.28 31 Mar 2010 30 Jun 2010 10-K 28 Feb 2012 2011 FY
Q1 2010 -4.48 30 Dec 2009 31 Mar 2010 10-K 28 Feb 2012 2011 FY

WHITE MOUNTAINS INSURANCE GROUP LTD Annual Earnings Per Share, Basic (USD/shares)

Period Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
2025 430 +340 +379% 01 Jan 2025 31 Dec 2025 10-K 27 Feb 2026 2025 FY
2024 89.79 -109 -55% 01 Jan 2024 31 Dec 2024 10-K 27 Feb 2026 2025 FY
2023 199 -78.36 -28% 01 Jan 2023 31 Dec 2023 10-K 27 Feb 2026 2025 FY
2022 277 +366 01 Jan 2022 31 Dec 2022 10-K 28 Feb 2025 2024 FY
2021 -89.46 -316 -139% 01 Jan 2021 31 Dec 2021 10-K 26 Feb 2024 2023 FY
2020 227 +96.7 +74% 01 Jan 2020 31 Dec 2020 10-K 27 Feb 2023 2022 FY
2019 130 +172 01 Jan 2019 31 Dec 2019 10-K 28 Feb 2022 2021 FY
2018 -41.76 -188 -129% 01 Jan 2018 31 Dec 2018 10-K 26 Feb 2021 2020 FY
2017 146 +65.95 +82% 01 Jan 2017 31 Dec 2017 10-K 02 Mar 2020 2019 FY
2016 80.11 +29.91 +60% 01 Jan 2016 31 Dec 2016 10-K 27 Feb 2019 2018 FY
2015 50.2 -0.93 -1.8% 01 Jan 2015 31 Dec 2015 10-K 28 Feb 2018 2017 FY
2014 51.13 -0.72 -1.4% 01 Jan 2014 31 Dec 2014 10-K 27 Feb 2017 2016 FY
2013 51.85 +21.35 +70% 01 Jan 2013 31 Dec 2013 10-K 29 Feb 2016 2015 FY
2012 30.5 -66.94 -69% 01 Jan 2012 31 Dec 2012 10-K 27 Feb 2015 2014 FY
2011 97.44 +87.32 +863% 31 Dec 2010 31 Dec 2011 10-K 28 Feb 2012 2011 FY
2010 10.12 31 Dec 2009 31 Dec 2010 10-K 28 Feb 2012 2011 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.