White Mountains Insurance Group, Ltd. Common Stock (WTM) Book Value/Share Growth & History | Stock Alarm

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White Mountains Insurance Group, Ltd. Common Stock · Book Value/Share Growth

WTM Book Value/Share Growth

Latest reported20.85%period endingDec 31, 2025

WTM FY Book Value per Share Growth (YoY) (0.00% → 20.85%)

Latest values, visible window

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WTM book value/share growth 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/Share Growth — Annual fiscal periods
Period ending	Book Value/Share Growth
Dec 31, 2025	20.85%
Dec 31, 2024	12.2737%
Dec 31, 2023	29.6339%
Dec 31, 2022	14.3456%
Dec 31, 2021	-1.7243%
Dec 31, 2020	23.7596%
Dec 31, 2019	23.1047%
Dec 31, 2018	2.5876%
Dec 31, 2017	7.0023%
Dec 31, 2016	-1.4361%
Dec 31, 2015	-0.1971%
Dec 31, 2014	4.628%
Dec 31, 2013	14.9499%
Dec 31, 2012	1.6581%
Dec 31, 2011	23.5719%
Dec 31, 2010	1.6038%
Dec 31, 2009	42.9304%
Dec 31, 2008	-33.9907%
Dec 31, 2007	10.7056%
Dec 31, 2006	31.8674%
Dec 31, 2005	-9.1837%
Dec 31, 2004	39.7214%
Dec 31, 2003	-18.1532%
Dec 31, 2002	802.6268%
Dec 31, 2001	-127.5305%
Dec 31, 2000	58.8159%
Dec 31, 1999	-6.7574%
Dec 31, 1998	11.9517%
Dec 31, 1997	8.6268%
Dec 31, 1996	13.5814%
Dec 31, 1995	7.4081%
Dec 31, 1994	-14.492%
Dec 31, 1993	44.0667%
Dec 31, 1992	18.997%
Dec 31, 1991	20.1448%
Dec 31, 1990	29.6979%
Dec 31, 1989	19.9656%
Dec 31, 1988	24.2346%
Dec 31, 1987	0.6225%
Dec 31, 1986	16.0078%
Dec 31, 1985	0%

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