White Mountains Insurance Group Ltd (WTM): Weighted Average Diluted Shares

Annual figures by period end, from SEC filings.

2.53M
Year ended 2025-12-31
-3.6%
3-year compound annual growth
-3.8%
5-year compound annual growth
-8.0%
10-year compound annual growth
8.77M2009-12-31: 8.77M2010-12-31: 8.45M2011-12-31: 7.81M2012-12-31: 6.71M2013-12-31: 6.11M2014-12-31: 6.03M2015-12-31: 5.81M2016-12-31: 4.95M2017-12-31: 4.24M2018-12-31: 3.34M2019-12-31: 3.14M2020-12-31: 3.08M2021-12-31: 3.04M2022-12-31: 2.83M2023-12-31: 2.53M2024-12-31: 2.53M2025-12-31: 2.53M2.53M
2009-12-31 Weighted Average Diluted Shares (shares) 2025-12-31
Period endedWeighted Average Diluted SharesChange YoYSource filing
2025-12-312.53M+0.1%2026-02-27, From 2025-01-01
2024-12-312.53M+0.2%2026-02-27, From 2024-01-01
2023-12-312.53M-10.6%2026-02-27, From 2023-01-01
2022-12-312.83M-7.1%2025-02-28, From 2022-01-01
2021-12-313.04M-1.3%2024-02-26, From 2021-01-01
2020-12-313.08M-1.9%2023-02-27, From 2020-01-01
2019-12-313.14M-6.0%2022-02-28, From 2019-01-01
2018-12-313.34M-21.2%2021-02-26, From 2018-01-01
2017-12-314.24M-14.4%2020-03-02, From 2017-01-01
2016-12-314.95M-14.8%2019-02-27, From 2016-01-01
2015-12-315.81M-3.6%2018-02-28, From 2015-01-01
2014-12-316.03M-1.4%2017-02-27, From 2014-01-01
2013-12-316.11M-8.9%2016-02-29, From 2013-01-01
2012-12-316.71M-14.1%2015-02-27, From 2012-01-01
2011-12-317.81M-7.6%2014-02-28, From 2011-01-01
2010-12-318.45M-3.6%2013-03-01, From 2010-01-01
2009-12-318.77Mn/a2012-02-28, From 2008-12-31