White Mountains Insurance Group, Ltd. Common Stock (WTM)

Long-Term Debt

$932.50M

Quarterly · Period ending: Jun 30, 2026 · USD

WTM Long-Term Debt

Latest reported$932.50Mperiod endingJun 30, 2026

WTM Quarterly Long-Term Debt ($250.00M → $932.50M)

Quarterly long-term debt

High-resolution chart · PNG

WTM long-term debt history

Quarterly · USD. Dates are reporting period ends; fiscal years can differ from calendar years.

White Mountains Insurance Group, Ltd. Common Stock Long-Term Debt — Quarterly (USD)
Period ending	Long-Term Debt (USD)
Jun 30, 2026	932,500,000
Mar 31, 2026	834,800,000
Dec 31, 2025	837,000,000
Sep 30, 2025	765,800,000
Jun 30, 2025	694,600,000
Mar 31, 2025	676,100,000
Dec 31, 2024	562,500,000
Sep 30, 2024	544,900,000
Jun 30, 2024	530,200,000
Mar 31, 2024	532,100,000
Dec 31, 2023	564,600,000
Sep 30, 2023	361,000,000
Jun 30, 2023	362,400,000
Mar 31, 2023	556,300,000
Dec 31, 2022	575,200,000
Sep 30, 2022	362,000,000
Jun 30, 2022	364,800,000
Mar 31, 2022	690,900,000
Dec 31, 2021	420,900,000
Sep 30, 2021	221,100,000
Jun 30, 2021	64,900,000
Mar 31, 2021	429,700,000
Dec 31, 2020	290,100,000
Sep 30, 2020	359,400,000
Jun 30, 2020	349,800,000
Mar 31, 2020	294,700,000
Dec 31, 2019	12,500,000
Sep 30, 2019	230,200,000
Jun 30, 2019	230,500,000
Mar 31, 2019	195,400,000
Dec 31, 2018	192,700,000
Sep 30, 2018	164,300,000
Jun 30, 2018	169,600,000
Mar 31, 2018	21,500,000
Dec 31, 2017	23,800,000
Sep 30, 2017	9,400,000
Jun 30, 2017	10,600,000
Mar 31, 2017	284,700,000
Dec 31, 2016	280,900,000
Sep 30, 2016	288,500,000
Jun 30, 2016	289,800,000
Mar 31, 2016	532,600,000
Dec 31, 2015	337,600,000
Sep 30, 2015	383,300,000
Jun 30, 2015	748,500,000
Mar 31, 2015	749,800,000
Dec 31, 2014	746,600,000
Sep 30, 2014	678,100,000
Jun 30, 2014	677,500,000
Mar 31, 2014	677,600,000
Dec 31, 2013	676,400,000
Sep 30, 2013	676,300,000
Jun 30, 2013	676,300,000
Mar 31, 2013	676,200,000
Dec 31, 2012	751,200,000
Sep 30, 2012	676,600,000
Jun 30, 2012	677,600,000
Mar 31, 2012	677,200,000
Dec 31, 2011	671,200,000
Sep 30, 2011	669,000,000
Jun 30, 2011	669,000,000
Mar 31, 2011	818,800,000
Dec 31, 2010	818,800,000
Sep 30, 2010	818,700,000
Jun 30, 2010	851,700,000
Mar 31, 2010	1,026,100,000
Dec 31, 2009	1,050,700,000
Sep 30, 2009	1,050,500,000
Jun 30, 2009	1,271,400,000
Mar 31, 2009	1,349,200,000
Dec 31, 2008	1,362,000,000
Sep 30, 2008	1,367,100,000
Jun 30, 2008	1,520,600,000
Mar 31, 2008	1,666,000,000
Dec 31, 2007	1,192,900,000
Sep 30, 2007	1,192,800,000
Jun 30, 2007	1,183,600,000
Mar 31, 2007	1,183,600,000
Dec 31, 2006	1,106,700,000
Sep 30, 2006	794,200,000
Jun 30, 2006	838,200,000
Mar 31, 2006	779,100,000
Dec 31, 2005	779,100,000
Sep 30, 2005	775,200,000
Jun 30, 2005	777,600,000
Mar 31, 2005	777,400,000
Dec 31, 2004	783,300,000
Sep 30, 2004	793,600,000
Jun 30, 2004	824,300,000
Mar 31, 2004	824,800,000
Dec 31, 2003	743,000,000
Sep 30, 2003	742,500,000
Jun 30, 2003	740,500,000
Mar 31, 2003	781,400,000
Dec 31, 2002	793,200,000
Sep 30, 2002	1,047,200,000
Jun 30, 2002	1,061,200,000
Mar 31, 2002	1,076,500,000
Dec 31, 2001	1,125,400,000
Sep 30, 2001	1,115,100,000