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