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Welcome to White Mountains Insurance Group, Ltd.

 
Welcome to White Mountains

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

White Mountains is a Bermuda-domiciled financial services holding company with business interests in property and casualty insurance and reinsurance.

Our goal is to provide you with the financial information you need, right at your fingertips. This site offers extensive information about White Mountains, its subsidiaries and affiliated companies. The navigational area at the top of the page gives you fast and easy access to all the information on the site. You may also find the specific information you need by choosing from the Quick Link drop-down list to the right.

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Our Operating Principles

 News and Reports
Press Releases
White Mountains to Hold 2018 Annual Investor Information Meeting on June 8, 2018
NSM Insurance Group Acquires Fresh Insurance
White Mountains Announces Final Results Of Its Tender Offer
BAM Announces Agreement to Expand Claims-Paying Resources by $100 Million
Earnings Releases
blue arrow White Mountains Reports First Quarter Results
Investor Presentation
- June 2018
Financial Reports
10-Q (5/2/18)
Letter from the CEO
2018 Proxy Statement
2017 Management Report
2017 Form 10-K

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