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For Shareholders

White Mountains Insurance Group, Ltd. is an exempted Bermuda limited liability company whose principal businesses are conducted through its insurance subsidiaries and other affiliates. White Mountains' common shares are listed on the New York Stock Exchange and the Bermuda Stock Exchange under the symbol "WTM." As of September 30, 2018 White Mountains has total assets of approximately $3.4 billion, adjusted shareholders equity of $2.9 billion, and adjusted book value per share of $926.

Adjusted Book Value Per Share

For a reconciliation of Adjusted Book Value per Share to GAAP Book Value per Share, click here.

Recent News
12-03-2018
NSM Insurance Group Acquires Assets of KBK Insurance Group
CONSHOHOCKEN, PA, (December 3, 2018) – NSM Insurance Group has acquired the assets of KBK Insurance Group. Based in Harahan, LA, KBK is a highly specialized program manager in the towing and transportation space with over 25 years of experience. Geof McKernan, CEO of NSM Insurance Group, said, “We
10-17-2018
Bingham, Osborn & Scarborough (B|O|S) Regains Ownership from Boston Private
B|O|S Principals repurchase a majority interest with help from Kudu Investment Management SAN FRANCISCO , Oct. 17, 2018 /PRNewswire/ -- Bingham, Osborn & Scarborough, LLC (B|O|S), a leading Bay Area wealth advisory firm, announced today that it is buying back a majority ownership stake in the
08-24-2018
David Tanner Elected To The White Mountains Board

HAMILTON, Bermuda , Aug. 24, 2018 /PRNewswire/ -- The Board of Directors of White Mountains Insurance Group, Ltd. (NYSE: WTM) has elected David Tanner as a director of the Company. Mr. Tanner is the Managing Director of Three Mile Capital , a private investment company founded in 2017.  Previously,

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