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 , May 2, 2017 /PRNewswire/ -- White Mountains Insurance Group, Ltd. (NYSE: WTM) announced today that Reid T. Campbell will become its Chief Financial Officer on May 17 , 2017.  Mr. Campbell has served as a Managing Director of White Mountains Capital, Inc.

HAMILTON, Bermuda , May 2, 2017 /PRNewswire/ --  White Mountains Insurance Group, Ltd. (NYSE: WTM) has entered into a definitive agreement to vote its shares of OneBeacon Insurance Group, Ltd. ("OneBeacon") in favor of Intact Financial Corporation's acquisition of 100% of OneBeacon for $18.10 per

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 , March 2, 2017 /PRNewswire/ -- At its regular meeting held on March 1, 2017 , the Board of Directors of White Mountains Insurance Group, Ltd. (NYSE: WTM) declared a $1.00 per share annual dividend, payable in cash on March 29, 2017 , to holders of record of Common Shares as of

Morgan Davis elected Non-executive Chairman of the Board HAMILTON, Bermuda , March 2, 2017 /PRNewswire/ -- White Mountains Insurance Group, Ltd. (NYSE: WTM) today announced the election of Manning Rountree as Chief Executive Officer, effective immediately, succeeding Ray Barrette , who is

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 , Nov. 18, 2016 /PRNewswire/ --  White Mountains Insurance Group, Ltd. (NYSE: WTM) announced today that its Board of Directors authorised the Company to repurchase up to an additional 500,000 common shares, from time to time, subject to market conditions.

HAMILTON, Bermuda , Nov. 2, 2016 /PRNewswire/ --  White Mountains Insurance Group, Ltd. (NYSE: WTM) reported September 30, 2016 book value per share of $797.65 and adjusted book value per share of $801.66 .  Book value per share and adjusted book value per share were both up 2% and 15% for the

HAMILTON, Bermuda , Aug. 3, 2016 /PRNewswire/ --  White Mountains Insurance Group, Ltd. (NYSE: WTM) reported June 30, 2016 book value per share of $781 and adjusted book value per share of $785 .  Book value per share was up 12% for both the second quarter and first six months of 2016, including