v3.26.1
Earnings per share (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Numerator:        
Net income $ 80.0 $ 13.1 $ 75.9 $ 20.9
Adjustment for net income attributable to non-controlling interests (1.3) (4.3) (2.4) (5.6)
Net income attributable to Accelerant common shareholders, basic 78.7 8.8 73.5 15.3
Net income attributable to Accelerant common shareholders, diluted $ 78.7 $ 8.8 $ 73.5 $ 15.3
Denominator:        
Weighted-average common shares outstanding - basic (in shares) 218,412,430 166,185,094 220,188,399 166,185,094
Effect of dilutive securities:        
Dilutive common shares (in shares) 1,278,356 39,763,577 907,466 39,728,299
Weighted-average common shares outstanding - diluted (in shares) 219,690,786 205,948,671 221,095,865 205,913,393
Net income attributable to Accelerant per common share:        
Basic (in usd per share) $ 0.36 $ 0.05 $ 0.33 $ 0.09
Diluted (in usd per share) $ 0.36 $ 0.04 $ 0.33 $ 0.07
Share awards excluded from the diluted earnings per share calculation (in shares) 45,130,706 17,382,748 45,495,211 17,418,027