WHITE MOUNTAINS INSURANCE GROUP, LTD Earnings Per Share (Basic)
WHITE MOUNTAINS INSURANCE GROUP, LTD (WTM) reported Earnings Per Share (Basic) of $80.58 per share for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-08-06.
Financial Statements › Income Statement › Earnings Per Share
us-gaap:EarningsPerShareBasic · last filed 2026-08-06
- WHITE MOUNTAINS INSURANCE GROUP, LTD earnings per share, basic for the quarter ending 2026-06-30 was $80.58, a 68.75% increase year-over-year.
- WHITE MOUNTAINS INSURANCE GROUP, LTD earnings per share, basic for the quarter ending 2026-03-31 was -$12.59, a 195.45% decline year-over-year.
- WHITE MOUNTAINS INSURANCE GROUP, LTD earnings per share, basic for the quarter ending 2025-12-31 was $327.46.
- WHITE MOUNTAINS INSURANCE GROUP, LTD earnings per share, basic for the quarter ending 2025-09-30 was $44.18, a 36.60% decline year-over-year.
- WHITE MOUNTAINS INSURANCE GROUP, LTD earnings per share, basic for fiscal 2025 was $430.14, a 379.05% increase from fiscal 2024.
- WHITE MOUNTAINS INSURANCE GROUP, LTD earnings per share, basic for fiscal 2024 was $89.79, a 54.79% decline from fiscal 2023.
- WHITE MOUNTAINS INSURANCE GROUP, LTD earnings per share, basic for fiscal 2023 was $198.60, a 28.29% decline from fiscal 2022.
- WHITE MOUNTAINS INSURANCE GROUP, LTD earnings per share, basic for fiscal 2022 was $276.96.
| Period end | Earnings Per Share, Basic 3 month | Earnings Per Share, Basic 3 month as first filed | Earnings Per Share, Basic 6 month | Earnings Per Share, Basic 6 month as first filed | Earnings Per Share, Basic 9 month | Earnings Per Share, Basic 9 month as first filed | Earnings Per Share, Basic 12 month | Earnings Per Share, Basic 12 month as first filed |
|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | $80.58 10-Q · filed 2026-08-06 | $67.36 10-Q · filed 2026-08-06 | $401.49 derived: net income ÷ weighted average shares · filed 2026-08-06 | $443.31 derived: net income ÷ weighted average shares · filed 2026-08-06 | ||||
| 2026-03-31 | -$12.59 10-Q · filed 2026-05-06 | $319.35 derived: net income ÷ weighted average shares · filed 2026-05-06 | $361.61 derived: net income ÷ weighted average shares · filed 2026-05-06 | $408.46 derived: net income ÷ weighted average shares · filed 2026-08-06 | ||||
| 2025-12-31 | $327.46 derived: net income ÷ weighted average shares · filed 2026-02-27 | $369.97 derived: net income ÷ weighted average shares · filed 2026-02-27 | $417.20 derived: net income ÷ weighted average shares · filed 2026-08-06 | $430.14 10-K · filed 2026-02-27 | ||||
| 2025-09-30 | $44.18 10-Q · filed 2025-11-06 | $91.90 derived: net income ÷ weighted average shares · filed 2026-08-06 | $105.18 10-Q · filed 2025-11-06 | $54.50 derived: net income ÷ weighted average shares · filed 2026-08-06 | ||||
| 2025-06-30 | $47.75 10-Q · filed 2026-08-06 | $60.99 10-Q · filed 2026-08-06 | $10.28 derived: net income ÷ weighted average shares · filed 2026-08-06 | $79.86 derived: net income ÷ weighted average shares · filed 2026-08-06 | ||||
| 2025-03-31 | $13.19 10-Q · filed 2026-05-06 | -$37.52 derived: net income ÷ weighted average shares · filed 2026-05-06 | $32.06 derived: net income ÷ weighted average shares · filed 2026-05-06 | $10.81 derived: net income ÷ weighted average shares · filed 2026-05-06 | ||||
| 2024-12-31 | -$50.85 derived: net income ÷ weighted average shares · filed 2026-02-27 | $18.83 derived: net income ÷ weighted average shares · filed 2026-02-27 | -$2.45 derived: net income ÷ weighted average shares · filed 2026-02-27 | $89.79 10-K · filed 2026-02-27 | ||||
| 2024-09-30 | $69.68 10-Q · filed 2025-11-06 | $48.42 derived: net income ÷ weighted average shares · filed 2025-11-06 | $140.66 10-Q · filed 2025-11-06 | $252.48 derived: net income ÷ weighted average shares · filed 2026-02-27 | ||||
| 2024-06-30 | -$21.24 10-Q · filed 2025-08-07 | $70.93 10-Q · filed 2025-08-07 | $182.78 derived: net income ÷ weighted average shares · filed 2026-02-27 | $192.11 derived: net income ÷ weighted average shares · filed 2026-02-27 | ||||
| 2024-03-31 | $92.33 10-Q · filed 2025-05-07 | $204.23 derived: net income ÷ weighted average shares · filed 2026-02-27 | $213.56 derived: net income ÷ weighted average shares · filed 2026-02-27 | $221.23 derived: net income ÷ weighted average shares · filed 2026-02-27 | ||||
| 2023-12-31 | $111.93 derived: net income ÷ weighted average shares · filed 2026-02-27 | $121.17 derived: net income ÷ weighted average shares · filed 2026-02-27 | $128.78 derived: net income ÷ weighted average shares · filed 2026-02-27 | $198.60 10-K · filed 2026-02-27 | ||||
| 2023-09-30 | $9.19 10-Q · filed 2024-11-06 | $16.88 derived: net income ÷ weighted average shares · filed 2024-11-06 | $86.82 10-Q · filed 2024-11-06 | $102.69 derived: net income ÷ weighted average shares · filed 2025-02-28 | ||||
| 2023-06-30 | $7.65 10-Q · filed 2024-08-07 | $77.57 10-Q · filed 2024-08-07 | $93.39 derived: net income ÷ weighted average shares · filed 2025-02-28 | $88.71 derived: net income ÷ weighted average shares · filed 2025-02-28 | ||||
| 2023-03-31 | $69.83 10-Q · filed 2024-05-09 | $85.64 derived: net income ÷ weighted average shares · filed 2025-02-28 | $80.41 derived: net income ÷ weighted average shares · filed 2025-02-28 | $15.94 derived: net income ÷ weighted average shares · filed 2025-02-28 | ||||
| 2022-12-31 | $15.75 derived: net income ÷ weighted average shares · filed 2025-02-28 | $13.06 derived: net income ÷ weighted average shares · filed 2025-02-28 | -$48.26 derived: net income ÷ weighted average shares · filed 2025-02-28 | $276.96 10-K · filed 2025-02-28 | ||||
| 2022-09-30 | $306.93 10-Q · filed 2023-11-06 | -$60.00 derived: net income ÷ weighted average shares · filed 2023-11-06 | $254.24 10-Q · filed 2023-11-06 | -$34.58 derived: net income ÷ weighted average shares · filed 2024-02-26 | ||||
| 2022-06-30 | -$56.80 10-Q · filed 2023-08-07 | -$45.40 10-Q · filed 2023-08-07 | -$32.67 derived: net income ÷ weighted average shares · filed 2024-02-26 | -$156.76 derived: net income ÷ weighted average shares · filed 2024-02-26 | ||||
| 2022-03-31 | $11.10 10-Q · filed 2023-05-09 | $24.28 derived: net income ÷ weighted average shares · filed 2024-02-26 | -$99.60 derived: net income ÷ weighted average shares · filed 2024-02-26 | -$53.18 derived: net income ÷ weighted average shares · filed 2024-02-26 | ||||
| 2021-12-31 | $13.05 derived: net income ÷ weighted average shares · filed 2024-02-26 | -$110.24 derived: net income ÷ weighted average shares · filed 2024-02-26 | -$63.94 derived: net income ÷ weighted average shares · filed 2024-02-26 | -$89.46 10-K · filed 2024-02-26 | ||||
| 2021-09-30 | -$120.18 10-Q · filed 2022-11-07 | -$76.08 derived: net income ÷ weighted average shares · filed 2022-11-07 | -$99.45 10-Q · filed 2022-11-07 | $59.11 derived: net income ÷ weighted average shares · filed 2023-02-27 | ||||
| 2021-06-30 | $44.56 10-Q · filed 2022-08-08 | $20.35 10-Q · filed 2022-08-08 | $180.20 derived: net income ÷ weighted average shares · filed 2023-02-27 | $256.32 derived: net income ÷ weighted average shares · filed 2023-02-27 | ||||
| 2021-03-31 | -$24.30 10-Q · filed 2022-05-06 | $135.12 derived: net income ÷ weighted average shares · filed 2023-02-27 | $211.26 derived: net income ÷ weighted average shares · filed 2023-02-27 | $248.89 derived: net income ÷ weighted average shares · filed 2023-02-27 | ||||
| 2020-12-31 | $157.70 10-K · filed 2021-02-26 | $236.08 derived: net income ÷ weighted average shares · filed 2023-02-27 | $273.64 derived: net income ÷ weighted average shares · filed 2023-02-27 | $226.97 10-K · filed 2023-02-27 | ||||
| 2020-09-30 | $75.09 10-Q · filed 2021-11-08 | $113.77 derived: net income ÷ weighted average shares · filed 2021-11-08 | $70.14 10-Q · filed 2021-11-08 | $90.38 derived: net income ÷ weighted average shares · filed 2022-02-28 | ||||
| 2020-06-30 | $37.14 10-Q · filed 2021-08-06 | -$4.28 10-Q · filed 2021-08-06 | $15.24 derived: net income ÷ weighted average shares · filed 2022-02-28 | $30.80 derived: net income ÷ weighted average shares · filed 2022-02-28 | ||||
| 2020-03-31 | -$40.54 10-Q · filed 2021-05-10 | -$21.60 derived: net income ÷ weighted average shares · filed 2022-02-28 | -$6.11 derived: net income ÷ weighted average shares · filed 2022-02-28 | $0.41 derived: net income ÷ weighted average shares · filed 2022-02-28 | ||||
| 2019-12-31 | $19.12 10-K · filed 2021-02-26 | $34.88 derived: net income ÷ weighted average shares · filed 2022-02-28 | $41.41 derived: net income ÷ weighted average shares · filed 2022-02-28 | $130.27 10-K · filed 2022-02-28 | ||||
| 2019-09-30 | $15.29 10-K · filed 2021-02-26 | $22.03 derived: net income ÷ weighted average shares · filed 2021-02-26 | $111.17 10-Q · filed 2020-11-06 | $68.83 derived: net income ÷ weighted average shares · filed 2021-02-26 | ||||
| 2019-06-30 | $6.44 10-K · filed 2021-02-26 | $95.93 10-Q · filed 2020-08-07 | $53.33 derived: net income ÷ weighted average shares · filed 2021-02-26 | $66.33 derived: net income ÷ weighted average shares · filed 2021-02-26 | ||||
| 2019-03-31 | $89.64 10-K · filed 2021-02-26 | $46.81 derived: net income ÷ weighted average shares · filed 2021-02-26 | $59.81 derived: net income ÷ weighted average shares · filed 2021-02-26 | $59.72 derived: net income ÷ weighted average shares · filed 2021-02-26 | ||||
| 2018-12-31 | -$43.24 10-K · filed 2020-03-02 | -$30.82 derived: net income ÷ weighted average shares · filed 2021-02-26 | -$28.93 derived: net income ÷ weighted average shares · filed 2021-02-26 | -$41.76 10-K · filed 2021-02-26 | ||||
| 2018-09-30 | $12.83 10-K · filed 2020-03-02 | $13.57 derived: net income ÷ weighted average shares · filed 2020-03-02 | -$1.08 10-Q · filed 2019-11-06 | $5.40 derived: net income ÷ weighted average shares · filed 2020-03-02 | ||||
| 2018-06-30 | $1.02 10-K · filed 2020-03-02 | -$12.41 10-Q · filed 2019-08-06 | -$6.12 derived: net income ÷ weighted average shares · filed 2020-03-02 | $143.69 derived: net income ÷ weighted average shares · filed 2020-03-02 | ||||
| 2018-03-31 | -$12.82 10-K · filed 2020-03-02 | -$6.89 derived: net income ÷ weighted average shares · filed 2020-03-02 | $138.25 derived: net income ÷ weighted average shares · filed 2020-03-02 | $136.20 derived: net income ÷ weighted average shares · filed 2020-03-02 | ||||
| 2017-12-31 | $6.00 10-K · filed 2019-02-27 | $147.37 derived: net income ÷ weighted average shares · filed 2020-03-02 | $144.16 derived: net income ÷ weighted average shares · filed 2020-03-02 | $146.06 10-K · filed 2020-03-02 | ||||
| 2017-09-30 | $130.81 10-K · filed 2019-02-27 | $131.46 derived: net income ÷ weighted average shares · filed 2019-02-27 | $135.06 10-Q · filed 2018-11-05 | $127.43 derived: net income ÷ weighted average shares · filed 2019-02-27 | ||||
| 2017-06-30 | $2.97 10-K · filed 2019-02-27 | $3.39 10-Q · filed 2017-08-04 | $9.31 10-Q · filed 2018-08-07 | $10.89 10-Q · filed 2017-08-04 | $0.82 derived: net income ÷ weighted average shares · filed 2019-02-27 | $20.64 derived: net income ÷ weighted average shares · filed 2019-02-27 | ||
| 2017-03-31 | $6.34 10-K · filed 2019-02-27 | $7.50 10-Q · filed 2017-05-02 | -$2.20 derived: net income ÷ weighted average shares · filed 2019-02-27 | $17.59 derived: net income ÷ weighted average shares · filed 2019-02-27 | $89.49 derived: net income ÷ weighted average shares · filed 2019-02-27 | |||
| 2016-12-31 | -$8.52 10-K · filed 2018-02-28 | -$7.30 10-K · filed 2017-02-27 | $11.17 derived: net income ÷ weighted average shares · filed 2019-02-27 | $82.20 derived: net income ÷ weighted average shares · filed 2019-02-27 | $80.11 10-K · filed 2019-02-27 | $82.24 10-K · filed 2017-02-27 | ||
| 2016-09-30 | $18.65 10-K · filed 2018-02-28 | $18.84 10-Q · filed 2016-11-02 | $87.74 derived: net income ÷ weighted average shares · filed 2018-02-28 | $85.28 10-Q · filed 2017-11-08 | $86.27 10-Q · filed 2016-11-02 | $136.89 derived: net income ÷ weighted average shares · filed 2018-02-28 | ||
| 2016-06-30 | $66.80 10-K · filed 2018-02-28 | $66.93 10-Q · filed 2016-08-03 | $66.57 10-Q · filed 2017-08-04 | $116.52 derived: net income ÷ weighted average shares · filed 2018-02-28 | $102.57 derived: net income ÷ weighted average shares · filed 2018-02-28 | |||
| 2016-03-31 | $1.70 10-K · filed 2018-02-28 | $2.34 10-Q · filed 2016-05-02 | $51.01 derived: net income ÷ weighted average shares · filed 2018-02-28 | $39.09 derived: net income ÷ weighted average shares · filed 2018-02-28 | $39.29 derived: net income ÷ weighted average shares · filed 2018-02-28 | |||
| 2015-12-31 | $47.28 10-K · filed 2017-02-27 | $37.05 derived: net income ÷ weighted average shares · filed 2018-02-28 | $37.21 derived: net income ÷ weighted average shares · filed 2018-02-28 | $50.20 10-K · filed 2018-02-28 | $50.60 10-K · filed 2016-02-29 | |||
| 2015-09-30 | -$10.01 10-K · filed 2017-02-27 | -$9.25 derived: net income ÷ weighted average shares · filed 2017-02-27 | $4.97 10-Q · filed 2016-11-02 | $16.85 derived: net income ÷ weighted average shares · filed 2017-02-27 | ||||
| 2015-06-30 | $0.72 10-K · filed 2017-02-27 | $14.80 10-Q · filed 2016-08-03 | $26.79 derived: net income ÷ weighted average shares · filed 2017-02-27 | $35.20 derived: net income ÷ weighted average shares · filed 2017-02-27 | ||||
| 2015-03-31 | $14.09 10-K · filed 2017-02-27 | $26.06 derived: net income ÷ weighted average shares · filed 2017-02-27 | $34.39 derived: net income ÷ weighted average shares · filed 2017-02-27 | $50.15 derived: net income ÷ weighted average shares · filed 2017-02-27 | ||||
| 2014-12-31 | $11.65 10-K · filed 2016-02-29 | $11.68 10-K · filed 2015-02-27 | $20.19 derived: net income ÷ weighted average shares · filed 2017-02-27 | $35.94 derived: net income ÷ weighted average shares · filed 2017-02-27 | $51.13 10-K · filed 2017-02-27 | $51.21 10-K · filed 2015-02-27 | ||
| 2014-09-30 | $8.42 10-K · filed 2016-02-29 | $8.45 10-Q · filed 2014-10-29 | $24.12 derived: net income ÷ weighted average shares · filed 2016-02-29 | $39.44 10-Q · filed 2015-11-02 | $39.50 10-Q · filed 2014-10-29 | $59.16 derived: net income ÷ weighted average shares · filed 2016-02-29 | ||
| 2014-06-30 | $15.50 10-K · filed 2016-02-29 | $15.53 10-Q · filed 2014-07-29 | $30.95 10-Q · filed 2015-08-03 | $31.00 10-Q · filed 2014-07-29 | $50.75 derived: net income ÷ weighted average shares · filed 2016-02-29 | $60.16 derived: net income ÷ weighted average shares · filed 2016-02-29 | ||
| 2014-03-31 | $15.48 10-K · filed 2016-02-29 | $35.04 derived: net income ÷ weighted average shares · filed 2016-02-29 | $44.45 derived: net income ÷ weighted average shares · filed 2016-02-29 | $48.79 derived: net income ÷ weighted average shares · filed 2016-02-29 | ||||
| 2013-12-31 | $19.09 10-K · filed 2015-02-27 | $28.79 derived: net income ÷ weighted average shares · filed 2016-02-29 | $33.12 derived: net income ÷ weighted average shares · filed 2016-02-29 | $51.85 10-K · filed 2016-02-29 | $51.89 10-K · filed 2014-02-28 | |||
| 2013-09-30 | $9.26 10-K · filed 2015-02-27 | $13.73 derived: net income ÷ weighted average shares · filed 2015-02-27 | $32.83 10-Q · filed 2014-10-29 | $43.88 derived: net income ÷ weighted average shares · filed 2015-02-27 | ||||
| 2013-06-30 | $4.26 10-K · filed 2015-02-27 | $23.55 10-Q · filed 2014-07-29 | $34.44 derived: net income ÷ weighted average shares · filed 2015-02-27 | $37.12 derived: net income ÷ weighted average shares · filed 2015-02-27 | ||||
| 2013-03-31 | $19.17 10-K · filed 2015-02-27 | $29.84 derived: net income ÷ weighted average shares · filed 2015-02-27 | $32.57 derived: net income ÷ weighted average shares · filed 2015-02-27 | $36.42 derived: net income ÷ weighted average shares · filed 2015-02-27 | ||||
| 2012-12-31 | $10.43 10-K · filed 2014-02-28 | $13.49 derived: net income ÷ weighted average shares · filed 2015-02-27 | $17.46 derived: net income ÷ weighted average shares · filed 2015-02-27 | $30.50 10-K · filed 2015-02-27 | ||||
| 2012-09-30 | $2.90 10-K · filed 2014-02-28 | $6.93 derived: net income ÷ weighted average shares · filed 2014-02-28 | $20.19 10-Q · filed 2012-10-30 | $134.52 derived: net income ÷ weighted average shares · filed 2014-02-28 | ||||
| 2012-06-30 | $3.92 10-K · filed 2014-02-28 | $17.03 10-Q · filed 2013-07-30 | $128.78 derived: net income ÷ weighted average shares · filed 2014-02-28 | $123.55 derived: net income ÷ weighted average shares · filed 2014-02-28 | ||||
| 2012-03-31 | $12.61 10-K · filed 2014-02-28 | $120.08 derived: net income ÷ weighted average shares · filed 2014-02-28 | $115.89 derived: net income ÷ weighted average shares · filed 2014-02-28 | $116.26 derived: net income ÷ weighted average shares · filed 2014-02-28 | ||||
| 2011-12-31 | $105.04 10-K · filed 2013-03-01 | $101.96 derived: net income ÷ weighted average shares · filed 2014-02-28 | $102.63 derived: net income ÷ weighted average shares · filed 2014-02-28 | $97.44 10-K · filed 2014-02-28 | ||||
| 2011-09-30 | -$2.00 10-K · filed 2013-03-01 | $1.81 10-Q · filed 2011-10-28 | -$0.52 derived: net income ÷ weighted average shares · filed 2013-03-01 | -$4.06 10-Q · filed 2012-10-30 | -$0.43 10-Q · filed 2011-10-28 | $5.14 derived: net income ÷ weighted average shares · filed 2013-03-01 | ||
| 2011-06-30 | $1.48 10-K · filed 2013-03-01 | $1.51 10-Q · filed 2011-07-29 | -$2.06 10-Q · filed 2012-07-27 | -$2.42 10-Q · filed 2011-07-29 | $7.13 derived: net income ÷ weighted average shares · filed 2013-03-01 | $13.32 derived: net income ÷ weighted average shares · filed 2013-03-01 | ||
| 2011-03-31 | -$3.51 10-K · filed 2013-03-01 | $5.64 derived: net income ÷ weighted average shares · filed 2013-03-01 | $11.79 derived: net income ÷ weighted average shares · filed 2013-03-01 | $11.88 derived: net income ÷ weighted average shares · filed 2013-03-01 | ||||
| 2010-12-31 | $8.83 10-K · filed 2012-02-28 | $15.16 derived: net income ÷ weighted average shares · filed 2013-03-01 | $15.15 derived: net income ÷ weighted average shares · filed 2013-03-01 | $10.12 10-K · filed 2013-03-01 | ||||
| 2010-09-30 | $6.01 10-K · filed 2012-02-28 | $6.22 derived: net income ÷ weighted average shares · filed 2012-02-28 | $1.44 10-Q · filed 2011-10-28 | $1.57 10-Q · filed 2010-10-29 | ||||
| 2010-06-30 | $0.08 10-Q · filed 2011-07-29 | $0.28 10-Q · filed 2010-07-30 | -$4.15 10-Q · filed 2011-07-29 | -$4.24 10-Q · filed 2010-07-30 | ||||
| 2010-03-31 | -$4.48 10-Q · filed 2011-04-29 | |||||||
| 2009-12-31 | $53.11 10-K · filed 2011-02-28 | |||||||
| 2009-09-30 | $18.02 10-Q · filed 2010-10-29 | $41.85 10-Q · filed 2010-10-29 | ||||||
| 2009-06-30 | $20.35 10-Q · filed 2010-07-30 | $23.82 10-Q · filed 2010-07-30 | ||||||
| 2008-12-31 | -$54.26 10-K · filed 2011-02-28 |
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