White Mountains Insurance News and Activities

White Mountains Insurance is one of the...

• Russell 3000;
• TOB Iconic 10,000.

White Mountains Insurance is a company listed under the stock ticker WTM (US).

White Mountains Insurance has a direct presence in 4 countries.

White Mountains Insurance has 7 subsidiaries including Davidshield, Kingfisher UK Holdings and Novacore.

They are in:

• Insurance88%
• Fund13%

Acquisition, funding and merger involving White Mountains Insurance.

• White Mountains Insurance has announced the acquisition of Distinguished Programs  (posted on August 7 2025).

View the org chart displaying its 81 main executives

Most searched biographies at White Mountains Insurance

• Liam Caffrey, Chief Executive Officer and Director
• John Chu, Director
• Peter Carlson, Director

Popular executive movements at White Mountains Insurance

• Steven Yi, Director, has left the company  (posted on May 22 2026).
• Manning Rountree who is Chief Executive Officer and Director, will become Senior Advisor on Jan. 1, 2026  (posted on September 11 2025).
• Michael Papamichael who is Managing Director and Deputy Chief Financial Officer, will be promoted to Chief Financial Officer on Jan. 1, 2026  (posted on September 11 2025).

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White Mountains Insurance has 3,979 competitors including Aetna (United States (USA)), AIG (United States (USA)) and Humana (United States (USA)).

Popular M&A news in Insurance

• Howard Hughes has acquired Vantage Group Holdings (posted on June 5 2026).
• 26North Re has acquired Independent Insurance Group (posted on June 2 2026).
• Admiral Group has acquired Flock (posted on June 1 2026).

Popular contacts in Insurance

• Max Chee - Director at Ideon
• Jon Farney - President and Chief Executive Officer and Director at State Farm
• Michel Khalaf - President, Chief Executive Officer and Director at MetLife

Learn more about the Insurance industry

Press releases by White Mountains Insurance

• White Mountains to Hold 2026 Annual Investor Information Meeting on June 5, 2026 | White Mountains Insurance Group
• White Mountains Reports First Quarter Results | White Mountains Insurance Group
• White Mountains Partners Announces Acquisition of Hawkeye Electric by Enterprise Solutions | White Mountains Insurance Group
• White Mountains Partners Announces Acquisition of BaseSix | White Mountains Insurance Group
• Bishop Street Underwriters Announces Strategic Investment by White Mountains | White Mountains Insurance Group
• White Mountains Declares Annual Dividend | White Mountains Insurance Group
• White Mountains Reports Fourth Quarter Results | White Mountains Insurance Group
• White Mountains Announces Final Results of Its Tender Offer | White Mountains Insurance Group
• White Mountains Announces Preliminary Results of Its Tender Offer | White Mountains Insurance Group
• White Mountains Completes Sale of Bamboo | White Mountains Insurance Group
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Social media about White Mountains Insurance

• White Mountains Insurance on Wikipedia, Google News & Yahoo Finance
• White Mountains Insurance on LinkedIn, X (Twitter) & YouTube