White Mountains Insurance Group, Ltd. Common Stock · Change in Working Capital

Latest reported$235.50Mperiod endingJun 30, 2026

WTM Change in Working Capital ($102.00M → $235.50M)

Annual change in working capital

High-resolution chart · PNG

WTM change in working capital history

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

White Mountains Insurance Group, Ltd. Common Stock Change in Working Capital — Annual fiscal periods (USD)
Period ending	Change in Working Capital (USD)
Dec 31, 2025	248,400,000
Dec 31, 2024	356,500,000
Dec 31, 2023	346,700,000
Dec 31, 2022	117,800,000
Dec 31, 2021	-26,000,000
Dec 31, 2020	-55,400,000
Dec 31, 2019	57,700,000
Dec 31, 2018	4,500,000
Dec 31, 2017	29,500,000
Dec 31, 2016	-192,200,000
Dec 31, 2015	0
Dec 31, 2014	92,600,000
Dec 31, 2013	-138,500,000
Dec 31, 2012	-189,700,000
Dec 31, 2011	-199,900,000
Dec 31, 2010	-21,400,000
Dec 31, 2009	-378,400,000
Dec 31, 2008	38,600,000
Dec 31, 2007	41,700,000
Dec 31, 2006	-434,000,000
Dec 31, 2005	-324,400,000
Dec 31, 2004	-413,600,000
Dec 31, 2003	-418,500,000
Dec 31, 2002	-618,100,000
Dec 31, 2001	267,500,000
Dec 31, 2000	430,000,000
Dec 31, 1999	-165,500,000
Dec 31, 1998	265,000,000
Dec 31, 1997	68,500,000
Dec 31, 1996	35,100,000
Dec 31, 1995	62,000,000
Dec 31, 1994	35,000,000
Dec 31, 1993	-106,000,000
Dec 31, 1992	203,000,000
Dec 31, 1991	-832,000,000
Dec 31, 1990	266,000,000
Dec 31, 1989	102,000,000