White Mountains Insurance Group, Ltd., through its subsidiaries, provides insurance services in the United States. The company operates through four segments: HG Global/BAM, NSM, MediaAlpha, Kudu, and Other Operations. The HG Global/BAM segment provides insurance on municipal bonds issued to finance public purposes, such as schools, utilities, and transportation facilities, as well as reinsurance protection services. The NSM segment operates as a general underwriting agency and program administrator for specialty property and casualty insurance to sectors, such as specialty transportation, social services, and real estate. The MediaAlpha segment operates MediaAlpha, a marketing technology that enables programmatic buying and selling of vertical specific, performance-based media between advertisers, and publishers through cost-per-click, cost-per-call, and cost-per-lead pricing models. The Kudu segment provides capital solutions to asset managers and registered investment advisors for g