Chubb (CB) reported Q1 Non-GAAP earnings late Tuesday of $3.68 per diluted share, down from $5.27 a year earlier.
Analysts polled by FactSet expected $3.19.
Net premiums written by the insurer for the quarter ended March 31 was $12.65 billion, up from $12.22 billion a year earlier.
Four analysts surveyed by FactSet expected $12.94 billion.