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

BRK-BBerkshire Hathaway Inc
Mkt capRevenueRevenue
RNRRenaissancere Holdings Ltd
Mkt capRevenueRevenue
vs

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BRK-BBerkshire Hathaway Inc
vs
RNRRenaissancere Holdings Ltd
Price
Mkt cap
Revenue
Revenue

Earnings history