RenaissanceRe Holdings

$7B in net premiums, which is 15% below Transatlantic Holdings. Bermuda-based catastrophe risk modeling pioneer since 1993. RenRe's REMS model is among the most sophisticated in the industry, outperforming the average model by 25% in loss prediction accuracy. Joint ventures like DaVinci Re and Medici allow capital market investors to participate in cat risk.