White Mountains is not a household name, but it is one of the most patient money machines in American insurance. It buys insurers, runs them well, and lets the profits pile up. Full nameWhite Mountains Insurance Group, Ltd. Tickers / exchangeWTM.BH (Bermuda Stock Exchange); WTM (NYSE) HeadquartersHanover, New Hampshire, US (domiciled in Bermuda) SectorInsurance and financial services holding company Employees1,366 (2020) Market valueNot published in available sources Yearly sales≈ US$3.7 billion (FY2025) Net profit≈ US$1.1 billion (FY2025) Net margin≈ 29.6% (FY2025) Return on equityNot published in available sources Price-to-earningsNot published …
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