White Mountains Insurance Group, Ltd. Common Stock (WTM) Shares Out (Basic) & History | Stock Alarm

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White Mountains Insurance Group, Ltd. Common Stock · Shares Out (Basic)

WTM Shares Out (Basic)

Latest reported2.55Mperiod endingDec 31, 2025

WTM FY Shares Out (Basic) (66.18M → 2.55M)

Annual shares out (basic)

High-resolution chart · PNG

WTM shares out (basic) history

Annual fiscal periods. Dates are reporting period ends; fiscal years can differ from calendar years.

White Mountains Insurance Group, Ltd. Common Stock Shares Out (Basic) — Annual fiscal periods
Period ending	Shares Out (Basic)
Dec 31, 2025	2,554,167
Dec 31, 2024	2,532,000
Dec 31, 2023	2,527,300
Dec 31, 2022	2,826,200
Dec 31, 2021	3,042,500
Dec 31, 2020	3,081,400
Dec 31, 2019	3,141,100
Dec 31, 2018	3,342,400
Dec 31, 2017	4,239,500
Dec 31, 2016	5,015,807
Dec 31, 2015	5,811,200
Dec 31, 2014	6,026,000
Dec 31, 2013	6,109,000
Dec 31, 2012	6,800,000
Dec 31, 2011	7,577,855
Dec 31, 2010	8,547,431
Dec 31, 2009	8,849,000
Dec 31, 2008	10,183,000
Dec 31, 2007	10,732,000
Dec 31, 2006	10,769,000
Dec 31, 2005	10,761,000
Dec 31, 2004	9,902,000
Dec 31, 2003	10,611,782
Dec 31, 2002	8,186,263
Dec 31, 2001	6,184,539
Dec 31, 2000	5,900,292
Dec 31, 1999	5,499,474
Dec 31, 1998	5,866,966
Dec 31, 1997	6,571,906
Dec 31, 1996	7,424,242
Dec 31, 1995	8,579,060
Dec 31, 1994	9,430,199
Dec 31, 1993	9,588,138
Dec 31, 1992	15,084,746
Dec 31, 1991	27,171,694
Dec 31, 1990	34,740,260
Dec 31, 1989	54,765,101
Dec 31, 1988	52,219,873
Dec 31, 1987	63,736,264
Dec 31, 1986	66,212,766
Dec 31, 1985	66,176,471

Data is provided for informational purposes only and does not constitute investment advice. Past performance is not indicative of future results.