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

Book Value Per Share

2.60K

TTM · Retrieved: Oct 21, 2026

WTM Book Value Per Share

Current (TTM)2.60KretrievedOct 21, 2026

Current (TTM)2.60KretrievedOct 21, 2026

WTM Book Value per Share (20.31 → 2.60K)

Period values, visible window

High-resolution chart · PNG

WTM book value per share history

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

White Mountains Insurance Group, Ltd. Common Stock Book Value Per Share — Annual fiscal periods
Period ending	Book Value Per Share
Dec 31, 2025	2,448.9785
Dec 31, 2024	2,026.4613
Dec 31, 2023	1,804.9302
Dec 31, 2022	1,392.3289
Dec 31, 2021	1,217.65
Dec 31, 2020	1,239.0147
Dec 31, 2019	1,001.1461
Dec 31, 2018	813.248
Dec 31, 2017	792.735
Dec 31, 2016	740.8579
Dec 31, 2015	751.652
Dec 31, 2014	753.1364
Dec 31, 2013	719.8232
Dec 31, 2012	626.2059
Dec 31, 2011	615.9923
Dec 31, 2010	498.489
Dec 31, 2009	490.6204
Dec 31, 2008	343.2584
Dec 31, 2007	520.0149
Dec 31, 2006	469.7279
Dec 31, 2005	356.2122
Dec 31, 2004	392.2339
Dec 31, 2003	280.7257
Dec 31, 2002	342.9892
Dec 31, 2001	-48.8153
Dec 31, 2000	177.3133
Dec 31, 1999	111.647
Dec 31, 1998	119.7382
Dec 31, 1997	106.9553
Dec 31, 1996	98.4612
Dec 31, 1995	86.6878
Dec 31, 1994	80.7088
Dec 31, 1993	94.3875
Dec 31, 1992	65.5165
Dec 31, 1991	55.0573
Dec 31, 1990	45.8258
Dec 31, 1989	35.3327
Dec 31, 1988	29.4524
Dec 31, 1987	23.7071
Dec 31, 1986	23.5604
Dec 31, 1985	20.3093

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