WHITE MOUNTAINS INSURANCE GROUP, LTD Investment Income, Investment Expense
WHITE MOUNTAINS INSURANCE GROUP, LTD (WTM) reported Investment Income, Investment Expense of $500.00 thousand for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-08-06.
Financial Statements › Income Statement › Other Income
us-gaap:InvestmentIncomeInvestmentExpense · last filed 2026-08-06
- WHITE MOUNTAINS INSURANCE GROUP, LTD investment income, investment expense for the quarter ending 2026-06-30 was $500.00K, a 28.57% decline year-over-year.
- WHITE MOUNTAINS INSURANCE GROUP, LTD investment income, investment expense for the quarter ending 2026-03-31 was $500.00K, a 16.67% decline year-over-year.
- WHITE MOUNTAINS INSURANCE GROUP, LTD investment income, investment expense for the quarter ending 2025-12-31 was $700.00K, a 16.67% increase year-over-year.
- WHITE MOUNTAINS INSURANCE GROUP, LTD investment income, investment expense for the quarter ending 2025-09-30 was $600.00K, a 14.29% decline year-over-year.
- WHITE MOUNTAINS INSURANCE GROUP, LTD investment income, investment expense for fiscal 2025 was $2.60M, a 7.14% decline from fiscal 2024.
- WHITE MOUNTAINS INSURANCE GROUP, LTD investment income, investment expense for fiscal 2024 was $2.80M, a 16.67% increase from fiscal 2023.
- WHITE MOUNTAINS INSURANCE GROUP, LTD investment income, investment expense for fiscal 2023 was $2.40M, a 14.29% increase from fiscal 2022.
- WHITE MOUNTAINS INSURANCE GROUP, LTD investment income, investment expense for fiscal 2022 was $2.10M, a 8.70% decline from fiscal 2021.
| Period end | Investment Income, Investment Expense 3 month | Investment Income, Investment Expense 3 month as first filed | Investment Income, Investment Expense 6 month | Investment Income, Investment Expense 6 month as first filed | Investment Income, Investment Expense 9 month | Investment Income, Investment Expense 9 month as first filed | Investment Income, Investment Expense 12 month | Investment Income, Investment Expense 12 month as first filed |
|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | $500.00K 10-Q · filed 2026-08-06 | $1.00M 10-Q · filed 2026-08-06 | $1.70M derived: sum of 3 quarters · filed 2026-08-06 | $2.30M derived: sum of 4 quarters · filed 2026-08-06 | ||||
| 2026-03-31 | $500.00K 10-Q · filed 2026-05-06 | $1.20M derived: sum of 2 quarters · filed 2026-05-06 | $1.80M derived: sum of 3 quarters · filed 2026-05-06 | $2.50M derived: sum of 4 quarters · filed 2026-08-06 | ||||
| 2025-12-31 | $700.00K derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-27 | $1.30M derived: sum of 2 quarters · filed 2026-02-27 | $2.00M derived: sum of 3 quarters · filed 2026-08-06 | $2.60M 10-K · filed 2026-02-27 | ||||
| 2025-09-30 | $600.00K 10-Q · filed 2025-11-06 | $1.30M derived: sum of 2 quarters · filed 2026-08-06 | $1.90M 10-Q · filed 2025-11-06 | $2.50M derived: sum of 4 quarters · filed 2026-08-06 | ||||
| 2025-06-30 | $700.00K 10-Q · filed 2026-08-06 | $1.30M 10-Q · filed 2026-08-06 | $1.90M derived: sum of 3 quarters · filed 2026-08-06 | $2.60M derived: sum of 4 quarters · filed 2026-08-06 | ||||
| 2025-03-31 | $600.00K 10-Q · filed 2026-05-06 | $1.20M derived: sum of 2 quarters · filed 2026-05-06 | $1.90M derived: sum of 3 quarters · filed 2026-05-06 | $2.70M derived: sum of 4 quarters · filed 2026-05-06 | ||||
| 2024-12-31 | $600.00K derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-27 | $1.30M derived: sum of 2 quarters · filed 2026-02-27 | $2.10M derived: sum of 3 quarters · filed 2026-02-27 | $2.80M 10-K · filed 2026-02-27 | ||||
| 2024-09-30 | $700.00K 10-Q · filed 2025-11-06 | $1.50M derived: sum of 2 quarters · filed 2025-11-06 | $2.20M 10-Q · filed 2025-11-06 | $2.90M derived: sum of 4 quarters · filed 2026-02-27 | ||||
| 2024-06-30 | $800.00K 10-Q · filed 2025-08-07 | $1.50M 10-Q · filed 2025-08-07 | $2.20M derived: sum of 3 quarters · filed 2026-02-27 | $2.90M derived: sum of 4 quarters · filed 2026-02-27 | ||||
| 2024-03-31 | $700.00K 10-Q · filed 2025-05-07 | $1.40M derived: sum of 2 quarters · filed 2026-02-27 | $2.10M derived: sum of 3 quarters · filed 2026-02-27 | $2.50M derived: sum of 4 quarters · filed 2026-02-27 | ||||
| 2023-12-31 | $700.00K derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-27 | $1.40M derived: sum of 2 quarters · filed 2026-02-27 | $1.80M derived: sum of 3 quarters · filed 2026-02-27 | $2.40M 10-K · filed 2026-02-27 | ||||
| 2023-09-30 | $700.00K 10-Q · filed 2024-11-06 | $1.10M derived: sum of 2 quarters · filed 2024-11-06 | $1.70M 10-Q · filed 2024-11-06 | $2.30M derived: sum of 4 quarters · filed 2025-02-28 | ||||
| 2023-06-30 | $400.00K 10-Q · filed 2024-08-07 | $1.00M 10-Q · filed 2024-08-07 | $1.60M derived: sum of 3 quarters · filed 2025-02-28 | $2.40M derived: sum of 4 quarters · filed 2025-02-28 | ||||
| 2023-03-31 | $600.00K 10-Q · filed 2024-05-09 | $1.20M derived: sum of 2 quarters · filed 2025-02-28 | $2.00M derived: sum of 3 quarters · filed 2025-02-28 | $2.40M derived: sum of 4 quarters · filed 2025-02-28 | ||||
| 2022-12-31 | $600.00K derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-28 | $1.40M derived: sum of 2 quarters · filed 2025-02-28 | $1.80M derived: sum of 3 quarters · filed 2025-02-28 | $2.10M 10-K · filed 2025-02-28 | ||||
| 2022-09-30 | $800.00K 10-Q · filed 2023-11-06 | $1.20M derived: sum of 2 quarters · filed 2023-11-06 | $1.50M 10-Q · filed 2023-11-06 | $2.30M derived: sum of 4 quarters · filed 2024-02-26 | ||||
| 2022-06-30 | $400.00K 10-Q · filed 2023-08-07 | $800.00K 10-Q · filed 2023-08-07 | $1.50M derived: sum of 3 quarters · filed 2024-02-26 | $2.10M derived: sum of 4 quarters · filed 2024-02-26 | ||||
| 2022-03-31 | $400.00K 10-Q · filed 2023-05-09 | $1.10M derived: sum of 2 quarters · filed 2024-02-26 | $1.70M derived: sum of 3 quarters · filed 2024-02-26 | $2.30M derived: sum of 4 quarters · filed 2024-02-26 | ||||
| 2021-12-31 | $700.00K derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-26 | $1.30M derived: sum of 2 quarters · filed 2024-02-26 | $1.90M derived: sum of 3 quarters · filed 2024-02-26 | $2.30M 10-K · filed 2024-02-26 | ||||
| 2021-09-30 | $600.00K 10-Q · filed 2022-11-07 | $1.20M derived: sum of 2 quarters · filed 2022-11-07 | $1.60M 10-Q · filed 2022-11-07 | $1.90M derived: sum of 4 quarters · filed 2023-02-27 | ||||
| 2021-06-30 | $600.00K 10-Q · filed 2022-08-08 | $1.00M 10-Q · filed 2022-08-08 | $1.30M derived: sum of 3 quarters · filed 2023-02-27 | $1.60M derived: sum of 4 quarters · filed 2023-02-27 | ||||
| 2021-03-31 | $400.00K 10-Q · filed 2022-05-06 | $700.00K derived: sum of 2 quarters · filed 2023-02-27 | $1.00M derived: sum of 3 quarters · filed 2023-02-27 | $1.30M derived: sum of 4 quarters · filed 2023-02-27 | ||||
| 2020-12-31 | $300.00K derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-27 | $600.00K derived: sum of 2 quarters · filed 2023-02-27 | $900.00K derived: sum of 3 quarters · filed 2023-02-27 | $1.20M 10-K · filed 2023-02-27 | ||||
| 2020-09-30 | $300.00K 10-Q · filed 2021-11-08 | $600.00K derived: sum of 2 quarters · filed 2021-11-08 | $900.00K 10-Q · filed 2021-11-08 | $1.10M derived: sum of 4 quarters · filed 2022-02-28 | ||||
| 2020-06-30 | $300.00K 10-Q · filed 2021-08-06 | $600.00K 10-Q · filed 2021-08-06 | $800.00K derived: sum of 3 quarters · filed 2022-02-28 | $1.20M derived: sum of 4 quarters · filed 2022-02-28 | ||||
| 2020-03-31 | $300.00K 10-Q · filed 2021-05-10 | $500.00K derived: sum of 2 quarters · filed 2022-02-28 | $900.00K derived: sum of 3 quarters · filed 2022-02-28 | $1.20M derived: sum of 4 quarters · filed 2022-02-28 | ||||
| 2019-12-31 | $200.00K derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-28 | $600.00K derived: sum of 2 quarters · filed 2022-02-28 | $900.00K derived: sum of 3 quarters · filed 2022-02-28 | $1.30M 10-K · filed 2022-02-28 | ||||
| 2019-09-30 | $400.00K 10-Q · filed 2020-11-06 | $700.00K derived: sum of 2 quarters · filed 2020-11-06 | $1.10M 10-Q · filed 2020-11-06 | $2.30M derived: sum of 4 quarters · filed 2021-02-26 | ||||
| 2019-06-30 | $300.00K 10-Q · filed 2020-08-07 | $700.00K 10-Q · filed 2020-08-07 | $1.90M derived: sum of 3 quarters · filed 2021-02-26 | $2.40M derived: sum of 4 quarters · filed 2021-02-26 | ||||
| 2019-03-31 | $400.00K 10-Q · filed 2020-05-08 | $1.60M derived: sum of 2 quarters · filed 2021-02-26 | $2.10M derived: sum of 3 quarters · filed 2021-02-26 | $2.70M derived: sum of 4 quarters · filed 2021-02-26 | ||||
| 2018-12-31 | $1.20M derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-26 | $1.70M derived: sum of 2 quarters · filed 2021-02-26 | $2.30M derived: sum of 3 quarters · filed 2021-02-26 | $3.00M 10-K · filed 2021-02-26 | ||||
| 2018-09-30 | $500.00K 10-Q · filed 2019-11-06 | $1.10M derived: sum of 2 quarters · filed 2019-11-06 | $1.80M 10-Q · filed 2019-11-06 | $2.30M derived: sum of 4 quarters · filed 2020-03-02 | ||||
| 2018-06-30 | $600.00K 10-Q · filed 2019-08-06 | $1.30M 10-Q · filed 2019-08-06 | $1.80M derived: sum of 3 quarters · filed 2020-03-02 | $2.50M derived: sum of 4 quarters · filed 2020-03-02 | ||||
| 2018-03-31 | $700.00K 10-Q · filed 2019-05-06 | $1.20M derived: sum of 2 quarters · filed 2020-03-02 | $1.90M derived: sum of 3 quarters · filed 2020-03-02 | $2.70M derived: sum of 4 quarters · filed 2020-03-02 | ||||
| 2017-12-31 | $500.00K derived: 10-K 12 month − 10-Q 9 month · filed 2020-03-02 | $1.20M derived: sum of 2 quarters · filed 2020-03-02 | $2.00M derived: sum of 3 quarters · filed 2020-03-02 | $2.50M 10-K · filed 2020-03-02 | ||||
| 2017-09-30 | $700.00K 10-Q · filed 2018-11-05 | $1.50M derived: sum of 2 quarters · filed 2018-11-05 | $2.00M 10-Q · filed 2018-11-05 | $3.10M derived: sum of 4 quarters · filed 2019-02-27 | ||||
| 2017-06-30 | $800.00K 10-Q · filed 2018-08-07 | $1.30M 10-Q · filed 2018-08-07 | $2.40M derived: sum of 3 quarters · filed 2019-02-27 | $2.80M derived: sum of 4 quarters · filed 2019-02-27 | ||||
| 2017-03-31 | $500.00K 10-Q · filed 2018-05-02 | $700.00K 10-Q · filed 2017-05-02 | $1.60M derived: sum of 2 quarters · filed 2019-02-27 | $2.00M derived: sum of 3 quarters · filed 2019-02-27 | $2.50M derived: sum of 4 quarters · filed 2019-02-27 | |||
| 2016-12-31 | $1.10M derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-27 | $1.50M derived: sum of 2 quarters · filed 2019-02-27 | $2.00M derived: sum of 3 quarters · filed 2019-02-27 | $2.40M 10-K · filed 2019-02-27 | $3.10M 10-K · filed 2017-02-27 | |||
| 2016-09-30 | $400.00K 10-Q · filed 2017-11-08 | $900.00K derived: sum of 2 quarters · filed 2017-11-08 | $1.30M 10-Q · filed 2017-11-08 | $1.80M 10-Q · filed 2016-11-02 | $1.50M derived: sum of 4 quarters · filed 2018-02-28 | |||
| 2016-06-30 | $500.00K 10-Q · filed 2017-08-04 | $700.00K 10-Q · filed 2016-08-03 | $1.00M 10-Q · filed 2017-08-04 | $1.40M 10-Q · filed 2016-08-03 | $1.10M derived: sum of 3 quarters · filed 2018-02-28 | $1.40M derived: sum of 4 quarters · filed 2018-02-28 | ||
| 2016-03-31 | $800.00K 10-Q · filed 2017-05-02 | $600.00K derived: sum of 2 quarters · filed 2018-02-28 | $900.00K derived: sum of 3 quarters · filed 2018-02-28 | $3.20M derived: sum of 4 quarters · filed 2018-02-28 | ||||
| 2015-12-31 | -$200.00K derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-28 | $100.00K derived: sum of 2 quarters · filed 2018-02-28 | $2.40M derived: sum of 3 quarters · filed 2018-02-28 | $4.40M 10-K · filed 2018-02-28 | $5.40M 10-K · filed 2016-02-29 | |||
| 2015-09-30 | $300.00K 10-Q · filed 2016-11-02 | $2.60M derived: sum of 2 quarters · filed 2016-11-02 | $4.60M 10-Q · filed 2016-11-02 | $8.00M derived: sum of 4 quarters · filed 2017-02-27 | ||||
| 2015-06-30 | $2.30M 10-Q · filed 2016-08-03 | $4.60M 10-Q · filed 2015-08-03 | $4.30M 10-Q · filed 2016-08-03 | $8.40M 10-Q · filed 2015-08-03 | $7.70M derived: sum of 3 quarters · filed 2017-02-27 | $11.20M derived: sum of 4 quarters · filed 2017-02-27 | ||
| 2015-03-31 | $2.00M 10-Q · filed 2016-05-02 | $3.80M 10-Q · filed 2015-05-04 | $5.40M derived: sum of 2 quarters · filed 2017-02-27 | $8.90M derived: sum of 3 quarters · filed 2017-02-27 | $13.70M derived: sum of 4 quarters · filed 2017-02-27 | |||
| 2014-12-31 | $3.40M derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-27 | $6.90M derived: sum of 2 quarters · filed 2017-02-27 | $11.70M derived: sum of 3 quarters · filed 2017-02-27 | $12.90M 10-K · filed 2017-02-27 | $20.60M 10-K · filed 2015-02-27 | |||
| 2014-09-30 | $3.50M 10-Q · filed 2015-11-02 | $5.90M 10-Q · filed 2014-10-29 | $8.30M derived: sum of 2 quarters · filed 2015-11-02 | $9.50M 10-Q · filed 2015-11-02 | $15.50M 10-Q · filed 2014-10-29 | $11.80M derived: sum of 4 quarters · filed 2016-02-29 | ||
| 2014-06-30 | $4.80M 10-Q · filed 2015-08-03 | $9.60M 10-Q · filed 2015-08-03 | $8.30M derived: sum of 3 quarters · filed 2016-02-29 | $13.50M derived: sum of 4 quarters · filed 2016-02-29 | ||||
| 2014-03-31 | $4.80M 10-Q · filed 2015-05-04 | $3.50M derived: sum of 2 quarters · filed 2016-02-29 | $8.70M derived: sum of 3 quarters · filed 2016-02-29 | $12.70M derived: sum of 4 quarters · filed 2016-02-29 | ||||
| 2013-12-31 | -$1.30M derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-29 | $3.90M derived: sum of 2 quarters · filed 2016-02-29 | $7.90M derived: sum of 3 quarters · filed 2016-02-29 | $12.40M 10-K · filed 2016-02-29 | $19.70M 10-K · filed 2014-02-28 | |||
| 2013-09-30 | $5.20M 10-Q · filed 2014-10-29 | $9.20M derived: sum of 2 quarters · filed 2014-10-29 | $13.70M 10-Q · filed 2014-10-29 | $17.60M derived: sum of 4 quarters · filed 2015-02-27 | ||||
| 2013-06-30 | $4.00M 10-Q · filed 2014-07-29 | $8.50M 10-Q · filed 2014-07-29 | $12.40M derived: sum of 3 quarters · filed 2015-02-27 | $15.80M derived: sum of 4 quarters · filed 2015-02-27 | ||||
| 2013-03-31 | $4.50M 10-Q · filed 2014-04-28 | $8.40M derived: sum of 2 quarters · filed 2015-02-27 | $11.80M derived: sum of 3 quarters · filed 2015-02-27 | $14.90M derived: sum of 4 quarters · filed 2015-02-27 | ||||
| 2012-12-31 | $3.90M derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-27 | $7.30M derived: sum of 2 quarters · filed 2015-02-27 | $10.40M derived: sum of 3 quarters · filed 2015-02-27 | $13.40M 10-K · filed 2015-02-27 | ||||
| 2012-09-30 | $3.40M 10-Q · filed 2013-10-28 | $6.50M derived: sum of 2 quarters · filed 2013-10-28 | $9.50M 10-Q · filed 2012-10-30 | $13.00M derived: sum of 4 quarters · filed 2014-02-28 | ||||
| 2012-06-30 | $3.10M 10-Q · filed 2013-07-30 | $6.10M 10-Q · filed 2013-07-30 | $9.60M derived: sum of 3 quarters · filed 2014-02-28 | $12.50M derived: sum of 4 quarters · filed 2014-02-28 | ||||
| 2012-03-31 | $3.00M 10-Q · filed 2013-04-29 | $6.50M derived: sum of 2 quarters · filed 2014-02-28 | $9.40M derived: sum of 3 quarters · filed 2014-02-28 | $11.50M derived: sum of 4 quarters · filed 2014-02-28 | ||||
| 2011-12-31 | $3.50M derived: 10-K 12 month − 10-Q 9 month · filed 2014-02-28 | $6.40M derived: sum of 2 quarters · filed 2014-02-28 | $8.50M derived: sum of 3 quarters · filed 2014-02-28 | $10.90M 10-K · filed 2014-02-28 | ||||
| 2011-09-30 | $2.90M 10-Q · filed 2012-10-30 | $5.00M derived: sum of 2 quarters · filed 2012-10-30 | $7.40M 10-Q · filed 2012-10-30 | $9.10M derived: sum of 4 quarters · filed 2013-03-01 | ||||
| 2011-06-30 | $2.10M 10-Q · filed 2012-07-27 | $4.40M 10-Q · filed 2012-07-27 | $6.20M derived: sum of 3 quarters · filed 2013-03-01 | $8.70M derived: sum of 4 quarters · filed 2013-03-01 | ||||
| 2011-03-31 | $2.30M 10-Q · filed 2012-04-27 | $4.10M derived: sum of 2 quarters · filed 2013-03-01 | $6.60M derived: sum of 3 quarters · filed 2013-03-01 | $9.30M derived: sum of 4 quarters · filed 2013-03-01 | ||||
| 2010-12-31 | $1.80M derived: 10-K 12 month − 10-Q 9 month · filed 2013-03-01 | $4.30M derived: sum of 2 quarters · filed 2013-03-01 | $7.00M derived: sum of 3 quarters · filed 2013-03-01 | $8.90M 10-K · filed 2013-03-01 | ||||
| 2010-09-30 | $2.50M 10-Q · filed 2011-10-28 | $5.20M derived: sum of 2 quarters · filed 2011-10-28 | $7.10M 10-Q · filed 2011-10-28 | |||||
| 2010-06-30 | $2.70M 10-Q · filed 2011-07-29 | $4.60M 10-Q · filed 2011-07-29 | ||||||
| 2009-12-31 | $8.50M 10-K · filed 2012-02-28 |
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