Companies

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Over many decades, White Mountains has owned and operated a broad range of companies, including p&c insurers, life insurers, brokerages, financial guarantors, re-insurers, and service companies. Daily, we examine the full set of current opportunities but always with an eye toward what might lay around the bend.

Answer Financial
Build America Mutual
DavidShield
Esurance
Financial Security Assurance
Kudu Investment Management
MediaAlpha
Montpelier Re
NSM Insurance Group
OneBeacon
PassportCard
Sirius Group
Symetra
Tranzact