v3.26.3
Earnings per share available to SiriusPoint common shareholders - Computation of Basic and Diluted Earnings Per Share available to SiriusPoint Common Shareholders (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Weighted-average number of common shares outstanding:        
Basic number of common shares outstanding (in shares) 115,135,159 116,726,540 116,191,819 116,412,996
Diluted number of common shares outstanding (in shares) 117,166,671 118,817,903 119,150,790 118,655,606
Basic earnings per common share:        
Net income available to SiriusPoint common shareholders $ 86.8 $ 86.8 $ 255.0 $ 203.6
Net income allocated to SiriusPoint participating shareholders (0.1) (0.1) (0.1) (0.2)
Net income allocated to SiriusPoint common shareholders $ 86.7 $ 86.7 $ 254.9 $ 203.4
Basic earnings per share available to SiriusPoint common shareholders (in dollars per share) $ 0.75 $ 0.74 $ 2.19 $ 1.75
Diluted earnings per common share:        
Net income available to SiriusPoint common shareholders $ 86.8 $ 86.8 $ 255.0 $ 203.6
Net income allocated to SiriusPoint participating shareholders (0.1) (0.1) (0.1) (0.2)
Net income allocated to SiriusPoint common shareholders $ 86.7 $ 86.7 $ 254.9 $ 203.4
Diluted earnings per share available to SiriusPoint common shareholders (in dollars per share) $ 0.74 $ 0.73 $ 2.14 $ 1.71
Restricted share awards and units        
Weighted-average number of common shares outstanding:        
Dilutive effect of restricted share awards and units and options (in shares) 646,941 866,941 1,619,742 1,046,481
Options        
Weighted-average number of common shares outstanding:        
Dilutive effect of restricted share awards and units and options (in shares) 1,384,571 1,224,422 1,339,229 1,196,129