WTM common stock issued history

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

White Mountains Insurance Group, Ltd. Common Stock Common Stock Issued — Quarterly (USD)
Period ending	Common Stock Issued (USD)
Jun 30, 2026	0
Mar 31, 2026	0
Dec 31, 2025	0
Sep 30, 2025	0
Jun 30, 2025	0
Mar 31, 2025	0
Dec 31, 2024	0
Sep 30, 2024	0
Jun 30, 2024	0
Mar 31, 2024	0
Dec 31, 2023	0
Sep 30, 2023	0
Jun 30, 2023	0
Mar 31, 2023	0
Dec 31, 2022	0
Sep 30, 2022	0
Jun 30, 2022	0
Mar 31, 2022	0
Dec 31, 2021	0
Sep 30, 2021	0
Jun 30, 2021	0
Mar 31, 2021	0
Dec 31, 2020	0
Sep 30, 2020	0
Jun 30, 2020	0
Mar 31, 2020	0
Dec 31, 2019	0
Sep 30, 2019	0
Jun 30, 2019	0
Mar 31, 2019	0
Dec 31, 2018	0
Sep 30, 2018	0
Jun 30, 2018	0
Mar 31, 2018	0
Dec 31, 2017	0
Sep 30, 2017	0
Jun 30, 2017	0
Mar 31, 2017	0
Dec 31, 2016	0
Sep 30, 2016	0
Jun 30, 2016	0
Mar 31, 2016	0
Dec 31, 2015	0
Sep 30, 2015	0
Jun 30, 2015	0
Mar 31, 2015	0
Dec 31, 2014	0
Sep 30, 2014	0
Jun 30, 2014	0
Mar 31, 2014	0
Dec 31, 2013	0
Sep 30, 2013	0
Jun 30, 2013	0
Mar 31, 2013	0
Dec 31, 2012	0
Sep 30, 2012	0
Jun 30, 2012	0
Mar 31, 2012	0
Dec 31, 2011	0
Sep 30, 2011	-100,000
Jun 30, 2011	1,000,000
Mar 31, 2011	0
Dec 31, 2010	-100,000
Sep 30, 2010	0
Jun 30, 2010	300,000
Mar 31, 2010	500,000
Dec 31, 2009	700,000
Sep 30, 2009	0
Jun 30, 2009	0
Mar 31, 2009	0
Dec 31, 2008	-100,000
Sep 30, 2008	0
Jun 30, 2008	0
Mar 31, 2008	0
Dec 31, 2007	400,000
Sep 30, 2007	0
Jun 30, 2007	1,600,000
Mar 31, 2007	200,000
Dec 31, 2006	500,000
Sep 30, 2006	0
Jun 30, 2006	0
Mar 31, 2006	100,000
Dec 31, 2005	800,000
Sep 30, 2005	0
Jun 30, 2005	0
Mar 31, 2005	300,000
Dec 31, 2004	500,000
Sep 30, 2004	0
Jun 30, 2004	294,000,000
Mar 31, 2004	13,300,000
Dec 31, 2003	700,000
Sep 30, 2003	0
Jun 30, 2003	100,000
Mar 31, 2003	700,000
Dec 31, 2002	225,200,000
Sep 30, 2002	0
Jun 30, 2002	0
Mar 31, 2002	900,000
Dec 31, 2001	443,900,000
Sep 30, 2001	500,000