HAMILTON, Bermuda , Feb. 7, 2017 /PRNewswire/ -- White Mountains Insurance Group, Ltd. (NYSE: WTM) reported December 31, 2016 book value per share of $790 and adjusted book value per share of $794 .  Book value per share and adjusted book value per share were both down 1% for the quarter and up 14%

HAMILTON, Bermuda , May 2, 2017 /PRNewswire/ --  White Mountains Insurance Group, Ltd. (NYSE: WTM) reported March 31, 2017 book value per share of $793 and adjusted book value per share of $799 .  Book value per share and adjusted book value per share were each up 1% for the quarter, including

HAMILTON, Bermuda , Aug. 4, 2017 /PRNewswire/ --  White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $798 and adjusted book value per share of $780 as of June 30, 2017 . On May 2, 2017 , OneBeacon entered into a definitive agreement to be acquired by Intact Financial

HAMILTON, Bermuda , Nov. 8, 2017 /PRNewswire/ --  White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $925 and adjusted book value per share of $906 as of September 30 , 2017.  Book value per share increased 17% and 18% for the third quarter and first nine months of

HAMILTON, Bermuda , Feb. 7, 2018 /PRNewswire/ -- White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $931 and adjusted book value per share of $915 as of December 31 , 2017.  Book value per share increased 1% and 19% for the fourth quarter and year ended December 31,

HAMILTON, Bermuda , May 2, 2018 /PRNewswire/ --  White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $916 and adjusted book value per share of $903 as of March 31 , 2018.  Book value per share and adjusted book value per share decreased 2% and 1% for the quarter,

HAMILTON, Bermuda , Aug. 7, 2018 /PRNewswire/ -- White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $924 and adjusted book value per share of $912 as of June 30 , 2018.  Book value per share and adjusted book value per share both increased 1% in the second quarter of

HAMILTON, Bermuda , Nov. 5, 2018 /PRNewswire/ --  White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $938 and adjusted book value per share of $926 as of September 30 , 2018.  Book value per share and adjusted book value per share both increased 2% in the third

HAMILTON, Bermuda , Feb. 6, 2019 /PRNewswire/ --  White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $896 and adjusted book value per share of $888 as of December 31 , 2018.  For the fourth quarter and year ended December 31, 2018 , book value per share decreased 5%

HAMILTON, Bermuda , May 6, 2019 /PRNewswire/ --  White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $981 and adjusted book value per share of $979 as of March 31 , 2019.  Book value per share and adjusted book value per share were each up 10% for the quarter,

HAMILTON, Bermuda , Aug. 6, 2019 /PRNewswire/ -- White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $987 and adjusted book value per share of $986 as of June 30, 2019.  Book value per share and adjusted book value per share both increased 1% in the second quarter of

HAMILTON, Bermuda , Nov. 6, 2019 /PRNewswire/ --  White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $1,003 and adjusted book value per share of $1,005 as of September 30, 2019.  Book value per share and adjusted book value per share both increased 2% in the third

HAMILTON, Bermuda , Feb. 5, 2020 /PRNewswire/ --  White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $1,024 and adjusted book value per share of $1,018 as of December 31, 2019.  Book value per share and adjusted book value per share increased 2% and 1% in the fourth

HAMILTON, Bermuda , May 8, 2020 /PRNewswire/ --  White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $981 and adjusted book value per share of $980 as of March 31, 2020 .  Book value per share and adjusted book value per share both decreased 4% in the first quarter of

HAMILTON, Bermuda , Aug. 7, 2020 /PRNewswire/ -- White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $1,021 and adjusted book value per share of $1,022 as of June 30, 2020 .  Book value per share and adjusted book value per share both increased approximately 4% in the

HAMILTON, Bermuda , Nov. 6, 2020 /PRNewswire/ -- White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $1,099 and adjusted book value per share of $1,101 as of September 30, 2020 .  Book value per share and adjusted book value per share both increased 8% in the third

HAMILTON, Bermuda , Feb. 5, 2021 /PRNewswire/ -- White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $1,259 and adjusted book value per share of $1,264 as of December 31, 2020 .  Book value per share and adjusted book value per share both increased 15% in the fourth

HAMILTON, Bermuda , May 10, 2021 /PRNewswire/ -- White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $1,231 and adjusted book value per share of $1,242 as of March 31, 2021 .  Book value per share and adjusted book value per share both decreased 2% in the first

HAMILTON, Bermuda , Aug. 6, 2021 /PRNewswire/ -- White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $1,279 and adjusted book value per share of $1,292 as of June 30, 2021 .  Book value per share and adjusted book value per share both increased 4% in the second

HAMILTON, Bermuda , Nov. 8, 2021 /PRNewswire/ -- White Mountains Insurance Group, Ltd. (NYSE: WTM) reported book value per share of $1,162 and adjusted book value per share of $1,176 as of September 30, 2021 .  Book value per share and adjusted book value per share both decreased 9% in the third