Headquartered in Boston, Massachusetts, OneBeacon Insurance Group offers specialty and segmented personal and commercial insurance products sold primarily through select independent agents. OneBeacon Insurance Group is wholly owned by White Mountains Insurance Group, Ltd., of Hamilton, Bermuda. White Mountains' principal businesses are conducted through its subsidiaries and affiliates in the business of property-casualty insurance and reinsurance. The company is publicly traded on the New York Stock Exchange and the Bermuda Stock Exchange under the symbol "WTM."
