WTM compared with BRK-B: revenue, margins and what each company keeps, and the suppliers and customers both name

WTMWhite Mountains Insurance Group Ltd
Mkt capRevenueRevenue
BRK-BBerkshire Hathaway Inc
Mkt capRevenueRevenue
vs

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WTMWhite Mountains Insurance Group Ltd
vs
BRK-BBerkshire Hathaway Inc
Price
Mkt cap
Revenue
Revenue

Revenue flow