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WHITE MOUNTAINS INSURANCE GROUP, LTD (WTM) Increase (Decrease) in Unearned Premiums

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WHITE MOUNTAINS INSURANCE GROUP, LTD Increase (Decrease) in Unearned Premiums

WHITE MOUNTAINS INSURANCE GROUP, LTD (WTM) reported Increase (Decrease) in Unearned Premiums of $838.20 million for the 6-month period ending 2026-06-30, per its 10-Q filed 2026-08-06.

Financial Statements › Cash Flow › Operating Activities

us-gaap:IncreaseDecreaseInUnearnedPremiums · last filed 2026-08-06

  • WHITE MOUNTAINS INSURANCE GROUP, LTD increase (decrease) in unearned premiums for the quarter ending 2026-06-30 was $249.00M, a 25.85% decline year-over-year.
  • WHITE MOUNTAINS INSURANCE GROUP, LTD increase (decrease) in unearned premiums for the quarter ending 2026-03-31 was $589.20M, a 9.40% decline year-over-year.
  • WHITE MOUNTAINS INSURANCE GROUP, LTD increase (decrease) in unearned premiums for the quarter ending 2025-12-31 was -$387.60M.
  • WHITE MOUNTAINS INSURANCE GROUP, LTD increase (decrease) in unearned premiums for the quarter ending 2025-09-30 was -$425.80M.
  • WHITE MOUNTAINS INSURANCE GROUP, LTD increase (decrease) in unearned premiums for fiscal 2025 was $172.70M, a 0.97% decline from fiscal 2024.
  • WHITE MOUNTAINS INSURANCE GROUP, LTD increase (decrease) in unearned premiums for fiscal 2024 was $174.40M, a 17.92% increase from fiscal 2023.
  • WHITE MOUNTAINS INSURANCE GROUP, LTD increase (decrease) in unearned premiums for fiscal 2023 was $147.90M, a 7.16% decline from fiscal 2022.
  • WHITE MOUNTAINS INSURANCE GROUP, LTD increase (decrease) in unearned premiums for fiscal 2022 was $159.30M, a 19.79% decline from fiscal 2021.
Period endIncrease (Decrease) in Unearned Premiums 3 monthIncrease (Decrease) in Unearned Premiums 3 month as first filedIncrease (Decrease) in Unearned Premiums 6 monthIncrease (Decrease) in Unearned Premiums 6 month as first filedIncrease (Decrease) in Unearned Premiums 9 monthIncrease (Decrease) in Unearned Premiums 9 month as first filedIncrease (Decrease) in Unearned Premiums 12 monthIncrease (Decrease) in Unearned Premiums 12 month as first filed
2026-06-30$249.00M
derived: 10-Q 6 month − 10-Q 3 month · filed 2026-08-06
$838.20M
10-Q · filed 2026-08-06
$450.60M
derived: sum of 3 quarters · filed 2026-08-06
$24.80M
derived: sum of 4 quarters · filed 2026-08-06
2026-03-31$589.20M
10-Q · filed 2026-05-06
$201.60M
derived: sum of 2 quarters · filed 2026-05-06
-$224.20M
derived: sum of 3 quarters · filed 2026-05-06
$111.60M
derived: sum of 4 quarters · filed 2026-08-06
2025-12-31-$387.60M
derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-27
-$813.40M
derived: sum of 2 quarters · filed 2026-02-27
-$477.60M
derived: sum of 3 quarters · filed 2026-08-06
$172.70M
10-K · filed 2026-02-27
2025-09-30-$425.80M
derived: 10-Q 9 month − 10-Q 6 month · filed 2025-11-06
-$90.00M
derived: sum of 2 quarters · filed 2026-08-06
$560.30M
10-Q · filed 2025-11-06
$276.20M
derived: sum of 4 quarters · filed 2026-08-06
2025-06-30$335.80M
derived: 10-Q 6 month − 10-Q 3 month · filed 2026-08-06
$986.10M
10-Q · filed 2026-08-06
$966.40M
10-Q · filed 2025-08-07
$702.00M
derived: sum of 3 quarters · filed 2026-08-06
$344.50M
derived: sum of 4 quarters · filed 2026-08-06
2025-03-31$650.30M
10-Q · filed 2026-05-06
$366.20M
derived: sum of 2 quarters · filed 2026-05-06
$8.70M
derived: sum of 3 quarters · filed 2026-05-06
$325.30M
derived: sum of 4 quarters · filed 2026-05-06
2024-12-31-$284.10M
derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-27
-$641.60M
derived: sum of 2 quarters · filed 2026-02-27
-$325.00M
derived: sum of 3 quarters · filed 2026-02-27
$174.40M
10-K · filed 2026-02-27
2024-09-30-$357.50M
derived: 10-Q 9 month − 10-Q 6 month · filed 2025-11-06
-$40.90M
derived: sum of 2 quarters · filed 2025-11-06
$458.50M
10-Q · filed 2025-11-06
$231.00M
derived: sum of 4 quarters · filed 2026-02-27
2024-06-30$316.60M
derived: 10-Q 6 month − 10-Q 3 month · filed 2025-08-07
$816.00M
10-Q · filed 2025-08-07
$588.50M
derived: sum of 3 quarters · filed 2026-02-27
$205.20M
derived: sum of 4 quarters · filed 2026-02-27
2024-03-31$499.40M
10-Q · filed 2025-05-07
$271.90M
derived: sum of 2 quarters · filed 2026-02-27
-$111.40M
derived: sum of 3 quarters · filed 2026-02-27
$145.50M
derived: sum of 4 quarters · filed 2026-02-27
2023-12-31-$227.50M
derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-27
-$610.80M
derived: sum of 2 quarters · filed 2026-02-27
-$353.90M
derived: sum of 3 quarters · filed 2026-02-27
$147.90M
10-K · filed 2026-02-27
2023-09-30-$383.30M
derived: 10-Q 9 month − 10-Q 6 month · filed 2024-11-06
-$126.40M
derived: sum of 2 quarters · filed 2024-11-06
$375.40M
10-Q · filed 2024-11-06
$228.90M
derived: sum of 4 quarters · filed 2025-02-28
2023-06-30$256.90M
derived: 10-Q 6 month − 10-Q 3 month · filed 2024-08-07
$758.70M
10-Q · filed 2024-08-07
$612.20M
derived: sum of 3 quarters · filed 2025-02-28
$385.60M
derived: sum of 4 quarters · filed 2025-02-28
2023-03-31$501.80M
10-Q · filed 2024-05-09
$355.30M
derived: sum of 2 quarters · filed 2025-02-28
$128.70M
derived: sum of 3 quarters · filed 2025-02-28
$272.90M
derived: sum of 4 quarters · filed 2025-02-28
2022-12-31-$146.50M
derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-28
-$373.10M
derived: sum of 2 quarters · filed 2025-02-28
-$228.90M
derived: sum of 3 quarters · filed 2025-02-28
$159.30M
10-K · filed 2025-02-28
2022-09-30-$226.60M
derived: 10-Q 9 month − 10-Q 6 month · filed 2023-11-06
-$82.40M
derived: sum of 2 quarters · filed 2023-11-06
$305.80M
10-Q · filed 2023-11-06
$214.40M
derived: sum of 4 quarters · filed 2024-02-26
2022-06-30$144.20M
derived: 10-Q 6 month − 10-Q 3 month · filed 2023-08-07
$532.40M
10-Q · filed 2023-08-07
$441.00M
derived: sum of 3 quarters · filed 2024-02-26
$325.00M
derived: sum of 4 quarters · filed 2024-02-26
2022-03-31$388.20M
10-Q · filed 2023-05-09
$296.80M
derived: sum of 2 quarters · filed 2024-02-26
$180.80M
derived: sum of 3 quarters · filed 2024-02-26
$341.30M
derived: sum of 4 quarters · filed 2024-02-26
2021-12-31-$91.40M
derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-26
-$207.40M
derived: sum of 2 quarters · filed 2024-02-26
-$46.90M
derived: sum of 3 quarters · filed 2024-02-26
$198.60M
10-K · filed 2024-02-26
2021-09-30-$116.00M
derived: 10-Q 9 month − 10-Q 6 month · filed 2022-11-07
$44.50M
derived: sum of 2 quarters · filed 2022-11-07
$290.00M
10-Q · filed 2022-11-07
$300.50M
derived: sum of 4 quarters · filed 2023-02-27
2021-06-30$160.50M
derived: 10-Q 6 month − 10-Q 3 month · filed 2022-08-08
$406.00M
10-Q · filed 2022-08-08
$416.50M
derived: sum of 3 quarters · filed 2023-02-27
$424.90M
derived: sum of 4 quarters · filed 2023-02-27
2021-03-31$245.50M
10-Q · filed 2022-05-06
$256.00M
derived: sum of 2 quarters · filed 2023-02-27
$264.40M
derived: sum of 3 quarters · filed 2023-02-27
$280.30M
derived: sum of 4 quarters · filed 2023-02-27
2020-12-31$10.50M
derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-27
$18.90M
derived: sum of 2 quarters · filed 2023-02-27
$34.80M
derived: sum of 3 quarters · filed 2023-02-27
$39.10M
10-K · filed 2023-02-27
2020-09-30$8.40M
derived: 10-Q 9 month − 10-Q 6 month · filed 2021-11-08
$24.30M
derived: sum of 2 quarters · filed 2021-11-08
$28.60M
10-Q · filed 2021-11-08
$36.90M
derived: sum of 4 quarters · filed 2022-02-28
2020-06-30$15.90M
derived: 10-Q 6 month − 10-Q 3 month · filed 2021-08-06
$20.20M
10-Q · filed 2021-08-06
$28.50M
derived: sum of 3 quarters · filed 2022-02-28
$44.20M
derived: sum of 4 quarters · filed 2022-02-28
2020-03-31$4.30M
10-Q · filed 2021-05-10
$12.60M
derived: sum of 2 quarters · filed 2022-02-28
$28.30M
derived: sum of 3 quarters · filed 2022-02-28
$36.50M
derived: sum of 4 quarters · filed 2022-02-28
2019-12-31$8.30M
derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-28
$24.00M
derived: sum of 2 quarters · filed 2022-02-28
$32.20M
derived: sum of 3 quarters · filed 2022-02-28
$35.80M
10-K · filed 2022-02-28
2019-09-30$15.70M
derived: 10-Q 9 month − 10-Q 6 month · filed 2020-11-06
$23.90M
derived: sum of 2 quarters · filed 2020-11-06
$27.50M
10-Q · filed 2020-11-06
$47.30M
derived: sum of 4 quarters · filed 2021-02-26
2019-06-30$8.20M
derived: 10-Q 6 month − 10-Q 3 month · filed 2020-08-07
$11.80M
10-Q · filed 2020-08-07
$31.60M
derived: sum of 3 quarters · filed 2021-02-26
$32.30M
derived: sum of 4 quarters · filed 2021-02-26
2019-03-31$3.60M
10-Q · filed 2020-05-08
$23.40M
derived: sum of 2 quarters · filed 2021-02-26
$24.10M
derived: sum of 3 quarters · filed 2021-02-26
$39.40M
derived: sum of 4 quarters · filed 2021-02-26
2018-12-31$19.80M
derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-26
$20.50M
derived: sum of 2 quarters · filed 2021-02-26
$35.80M
derived: sum of 3 quarters · filed 2021-02-26
$39.20M
10-K · filed 2021-02-26
2018-09-30$700.00K
derived: 10-Q 9 month − 10-Q 6 month · filed 2019-11-06
$16.00M
derived: sum of 2 quarters · filed 2019-11-06
$19.40M
10-Q · filed 2019-11-06
$37.70M
derived: sum of 4 quarters · filed 2020-03-02
2018-06-30$15.30M
derived: 10-Q 6 month − 10-Q 3 month · filed 2019-08-06
$18.70M
10-Q · filed 2019-08-06
$37.00M
derived: sum of 3 quarters · filed 2020-03-02
$45.60M
derived: sum of 4 quarters · filed 2020-03-02
2018-03-31$3.40M
10-Q · filed 2019-05-06
$21.70M
derived: sum of 2 quarters · filed 2020-03-02
$30.30M
derived: sum of 3 quarters · filed 2020-03-02
$40.50M
derived: sum of 4 quarters · filed 2020-03-02
2017-12-31$18.30M
derived: 10-K 12 month − 10-Q 9 month · filed 2020-03-02
$26.90M
derived: sum of 2 quarters · filed 2020-03-02
$37.10M
derived: sum of 3 quarters · filed 2020-03-02
$54.50M
10-K · filed 2020-03-02
2017-09-30$8.60M
derived: 10-Q 9 month − 10-Q 6 month · filed 2018-11-05
$18.80M
derived: sum of 2 quarters · filed 2018-11-05
$36.20M
10-Q · filed 2018-11-05
$47.80M
derived: sum of 4 quarters · filed 2019-02-27
2017-06-30$10.20M
derived: 10-Q 6 month − 10-Q 3 month · filed 2018-08-07
$27.60M
10-Q · filed 2018-08-07
$39.20M
derived: sum of 3 quarters · filed 2019-02-27
$46.50M
derived: sum of 4 quarters · filed 2019-02-27
2017-03-31$17.40M
10-Q · filed 2018-05-02
$20.70M
10-Q · filed 2017-05-02
$29.00M
derived: sum of 2 quarters · filed 2019-02-27
$36.30M
derived: sum of 3 quarters · filed 2019-02-27
$35.20M
derived: sum of 4 quarters · filed 2019-02-27
2016-12-31$11.60M
derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-27
$18.90M
derived: sum of 2 quarters · filed 2019-02-27
$17.80M
derived: sum of 3 quarters · filed 2019-02-27
$31.70M
10-K · filed 2019-02-27
$46.50M
10-K · filed 2017-02-27
2016-09-30$7.30M
derived: 10-Q 9 month − 10-Q 6 month · filed 2017-11-08
$6.20M
derived: sum of 2 quarters · filed 2017-11-08
$20.10M
10-Q · filed 2017-11-08
$63.00M
10-Q · filed 2016-11-02
-$10.60M
derived: sum of 4 quarters · filed 2018-02-28
2016-06-30-$1.10M
derived: 10-Q 6 month − 10-Q 3 month · filed 2017-08-04
$12.80M
10-Q · filed 2017-08-04
$8.90M
10-Q · filed 2016-08-03
-$17.90M
derived: sum of 3 quarters · filed 2018-02-28
-$2.30M
derived: sum of 4 quarters · filed 2018-02-28
2016-03-31$13.90M
10-Q · filed 2017-05-02
-$16.80M
derived: sum of 2 quarters · filed 2018-02-28
-$1.20M
derived: sum of 3 quarters · filed 2018-02-28
$30.20M
derived: sum of 4 quarters · filed 2018-02-28
2015-12-31-$30.70M
derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-28
-$15.10M
derived: sum of 2 quarters · filed 2018-02-28
$16.30M
derived: sum of 3 quarters · filed 2018-02-28
$23.90M
10-K · filed 2018-02-28
-$4.10M
10-K · filed 2016-02-29
2015-09-30$15.60M
derived: 10-Q 9 month − 10-Q 6 month · filed 2016-11-02
$47.00M
derived: sum of 2 quarters · filed 2016-11-02
$54.60M
10-Q · filed 2016-11-02
$21.40M
derived: sum of 4 quarters · filed 2017-02-27
2015-06-30$31.40M
derived: 10-Q 6 month − 10-Q 3 month · filed 2016-08-03
$39.00M
10-Q · filed 2016-08-03
$170.40M
10-Q · filed 2015-08-03
$5.80M
derived: sum of 3 quarters · filed 2017-02-27
-$94.40M
derived: sum of 4 quarters · filed 2017-02-27
2015-03-31$7.60M
10-Q · filed 2016-05-02
$181.30M
10-Q · filed 2015-05-04
-$25.60M
derived: sum of 2 quarters · filed 2017-02-27
-$125.80M
derived: sum of 3 quarters · filed 2017-02-27
-$152.50M
derived: sum of 4 quarters · filed 2017-02-27
2014-12-31-$33.20M
derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-27
-$133.40M
derived: sum of 2 quarters · filed 2017-02-27
-$160.10M
derived: sum of 3 quarters · filed 2017-02-27
$57.60M
10-K · filed 2017-02-27
$119.60M
10-K · filed 2015-02-27
2014-09-30-$100.20M
derived: 10-Q 9 month − 10-Q 6 month · filed 2015-11-02
-$126.90M
derived: sum of 2 quarters · filed 2015-11-02
$90.80M
10-Q · filed 2015-11-02
$232.80M
10-Q · filed 2014-10-29
-$16.20M
derived: sum of 4 quarters · filed 2016-02-29
2014-06-30-$26.70M
derived: 10-Q 6 month − 10-Q 3 month · filed 2015-08-03
$191.00M
10-Q · filed 2015-08-03
$84.00M
derived: sum of 3 quarters · filed 2016-02-29
$62.90M
derived: sum of 4 quarters · filed 2016-02-29
2014-03-31$217.70M
10-Q · filed 2015-05-04
$110.70M
derived: sum of 2 quarters · filed 2016-02-29
$89.60M
derived: sum of 3 quarters · filed 2016-02-29
$55.80M
derived: sum of 4 quarters · filed 2016-02-29
2013-12-31-$107.00M
derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-29
-$128.10M
derived: sum of 2 quarters · filed 2016-02-29
-$161.90M
derived: sum of 3 quarters · filed 2016-02-29
-$15.80M
10-K · filed 2016-02-29
$12.50M
10-K · filed 2014-02-28
2013-09-30-$21.10M
derived: 10-Q 9 month − 10-Q 6 month · filed 2014-10-29
-$54.90M
derived: sum of 2 quarters · filed 2014-10-29
$91.20M
10-Q · filed 2014-10-29
$176.40M
derived: sum of 4 quarters · filed 2015-02-27
2013-06-30-$33.80M
derived: 10-Q 6 month − 10-Q 3 month · filed 2014-07-29
$112.30M
10-Q · filed 2014-07-29
-$54.50M
10-Q · filed 2013-07-30
$197.50M
derived: sum of 3 quarters · filed 2015-02-27
$225.30M
derived: sum of 4 quarters · filed 2015-02-27
2013-03-31$146.10M
10-Q · filed 2014-04-28
-$52.40M
10-Q · filed 2013-04-29
$231.30M
derived: sum of 2 quarters · filed 2015-02-27
$259.10M
derived: sum of 3 quarters · filed 2015-02-27
$263.60M
derived: sum of 4 quarters · filed 2015-02-27
2012-12-31$85.20M
derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-27
$113.00M
derived: sum of 2 quarters · filed 2015-02-27
$117.50M
derived: sum of 3 quarters · filed 2015-02-27
$63.10M
10-K · filed 2015-02-27
-$63.10M
10-K · filed 2013-03-01
2012-09-30$27.80M
derived: 10-Q 9 month − 10-Q 6 month · filed 2012-10-30
$32.30M
derived: sum of 2 quarters · filed 2013-07-30
-$22.10M
10-Q · filed 2012-10-30
-$63.70M
derived: sum of 4 quarters · filed 2014-02-28
2012-06-30$4.50M
derived: 10-Q 6 month − 10-Q 3 month · filed 2013-07-30
-$49.90M
10-Q · filed 2013-07-30
-$91.50M
derived: sum of 3 quarters · filed 2014-02-28
-$164.90M
derived: sum of 4 quarters · filed 2014-02-28
2012-03-31-$54.40M
10-Q · filed 2013-04-29
-$96.00M
derived: sum of 2 quarters · filed 2014-02-28
-$169.40M
derived: sum of 3 quarters · filed 2014-02-28
-$123.40M
derived: sum of 4 quarters · filed 2014-02-28
2011-12-31-$41.60M
derived: 10-K 12 month − 10-Q 9 month · filed 2014-02-28
-$115.00M
derived: sum of 2 quarters · filed 2014-02-28
-$69.00M
derived: sum of 3 quarters · filed 2014-02-28
-$67.00M
10-K · filed 2014-02-28
2011-09-30-$73.40M
derived: 10-Q 9 month − 10-Q 6 month · filed 2012-10-30
-$27.40M
derived: sum of 2 quarters · filed 2012-10-30
-$25.40M
10-Q · filed 2012-10-30
$86.40M
10-Q · filed 2011-10-28
-$40.20M
derived: sum of 4 quarters · filed 2013-03-01
2011-06-30$46.00M
derived: 10-Q 6 month − 10-Q 3 month · filed 2012-07-27
$48.00M
10-Q · filed 2012-07-27
$74.50M
10-Q · filed 2011-07-29
$33.20M
derived: sum of 3 quarters · filed 2013-03-01
-$66.50M
derived: sum of 4 quarters · filed 2013-03-01
2011-03-31$2.00M
10-Q · filed 2012-04-27
$152.10M
10-Q · filed 2011-04-29
-$12.80M
derived: sum of 2 quarters · filed 2013-03-01
-$112.50M
derived: sum of 3 quarters · filed 2013-03-01
-$177.40M
derived: sum of 4 quarters · filed 2013-03-01
2010-12-31-$14.80M
derived: 10-K 12 month − 10-Q 9 month · filed 2013-03-01
-$114.50M
derived: sum of 2 quarters · filed 2013-03-01
-$179.40M
derived: sum of 3 quarters · filed 2013-03-01
$24.70M
10-K · filed 2013-03-01
-$152.60M
10-K · filed 2011-02-28
2010-09-30-$99.70M
derived: 10-Q 9 month − 10-Q 6 month · filed 2011-10-28
-$164.60M
derived: sum of 2 quarters · filed 2011-10-28
$39.50M
10-Q · filed 2011-10-28
$67.80M
10-Q · filed 2010-10-29
-$110.50M
derived: sum of 4 quarters · filed 2011-10-28
2010-06-30-$64.90M
derived: 10-Q 6 month − 10-Q 3 month · filed 2011-07-29
$139.20M
10-Q · filed 2011-07-29
$155.40M
10-Q · filed 2010-07-30
-$10.80M
derived: sum of 3 quarters · filed 2011-07-29
-$101.70M
derived: sum of 4 quarters · filed 2011-07-29
2010-03-31$204.10M
10-Q · filed 2011-04-29
$54.10M
derived: sum of 2 quarters · filed 2011-04-29
-$36.80M
derived: sum of 3 quarters · filed 2011-04-29
2009-12-31-$150.00M
derived: 10-K 12 month − 10-Q 9 month · filed 2011-02-28
-$240.90M
derived: sum of 2 quarters · filed 2011-02-28
-$149.30M
10-K · filed 2011-02-28
2009-09-30-$90.90M
derived: 10-Q 9 month − 10-Q 6 month · filed 2010-10-29
$700.00K
10-Q · filed 2010-10-29
2009-06-30$91.60M
10-Q · filed 2010-07-30
2008-12-31$59.90M
10-K · filed 2011-02-28

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