Company Name: White Mountains Insurance Group, Ltd.

Through its subsidiaries, White Mountains offers property and casualty insurance and reinsurance products.  The company’s subsidiaries include:

  • HG Global/BAM – U.S. municipal bond reinsurance
  • OneBeacon – specialty insurance
  • Sirius Group – global reinsurance
  • Sirius International Insurance Group, Ltd. – global reinsurance
  • Sirius America Insurance Company – global multi-line reinsurance
  • White Mountains Advisors – investment management services

Ticker Symbol: WTM (New York Stock Exchange)

Company Website:

Social Media: White Mountains Insurance Group LinkedIn

Headquarters: Hamilton, Bermuda