Hamilton Insurance (HG) reported Q1 earnings Wednesday of $0.77 per diluted share, down from $1.38 a year earlier.
Analysts polled by FactSet expected $0.02.
Revenue for the quarter ended March 31 was $768.8 million compared with $658.6 million a year earlier.
Analyst estimates were not available for comparison.
Shares rose 1% in recent premarket activity Thursday.