White Mountains Insurance Group Shares Outstanding 1990-2025 | WTM

White Mountains Insurance Group shares outstanding from 1990 to 2025. Shares outstanding can be defined as the number of shares held by shareholders (including insiders) assuming conversion of all convertible debt, securities, warrants and options. This metric excludes the company's treasury shares.

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White Mountains Insurance Group Annual Shares Outstanding (Millions of Shares)
2024	3
2023	3
2022	3
2021	3
2020	3
2019	3
2018	3
2017	4
2016	5
2015	6
2014	6
2013	6
2012	7
2011	8
2010	8
2009	9
2008	10
2007	11
2006	11
2005	11
2004	10
2003	10
2002	9
2001	7
2000	6
1999	6
1998	6
1997	7
1996	14
1995