v3.25.2
Segment reporting - Operating Segment Results (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Segment Reporting Information [Line Items]        
Gross premiums written $ 948.2 $ 864.5 $ 1,932.9 $ 1,771.1
Net premiums written 704.4 643.6 1,447.4 1,282.9
Net premiums earned 652.0 590.5 1,278.7 1,184.3
Loss and loss adjustment expenses incurred, net 372.6 364.4 774.4 681.9
Acquisition costs, net 140.9 119.9 270.6 264.8
Other underwriting expenses 48.3 41.1 89.4 82.9
Underwriting income (loss) 90.2 65.1 144.3 154.7
Services revenues 27.3 118.9 57.0 146.7
Services expenses 70.9 66.6 131.5 122.6
Services noncontrolling income (loss) (0.1) (0.9) (0.5) (2.0)
Net income available to SiriusPoint 63.2 113.9 124.8 208.7
Segment income (loss) 90.2 65.1 144.3 154.7
Net investment income 68.2 78.2 139.4 157.0
Net realized and unrealized investment gains (losses) 0.7 (54.9) 0.4 (53.9)
Loss on settlement and change in fair value of liability-classified capital instruments 0.0 10.6 0.0 (5.3)
Net corporate and other expenses (70.9) (66.6) (131.5) (122.6)
Intangible asset amortization (2.8) (3.0) (5.7) (5.9)
Interest expense (21.1) (15.7) (39.2) (36.2)
Foreign exchange (losses) gains (16.7) (3.6) (14.5) 0.1
Income before income tax expense 74.9 129.0 150.2 234.6
Income tax expense (11.6) (14.2) (24.9) (23.9)
Net income (loss) 63.3 114.8 125.3 210.7
Attritional losses 381.8 359.9 749.9 716.3
Catastrophe losses   5.6 67.4 5.6
Catastrophe losses (0.5)      
Prior year loss reserve development (8.7) (1.1) (42.9) (40.0)
Loss and loss adjustment expenses incurred, net $ 372.6 $ 364.4 $ 774.4 $ 681.9
Underwriting Ratios:        
Attritional loss ratio 0.585 0.610 0.587 0.604
Catastrophe loss ratio (0.001) 0.009 0.053 0.005
Prior year loss development ratio (0.013) (0.002) (0.034) (0.033)
Loss ratio 57.10% 61.70% 60.60% 57.60%
Acquisition cost ratio 21.60% 20.30% 21.20% 22.40%
Other underwriting expenses ratio 7.40% 7.00% 7.00% 7.00%
Combined ratio 86.10% 89.00% 88.80% 87.00%
Operating Segments        
Segment Reporting Information [Line Items]        
Gross premiums written $ 930.1 $ 842.7 $ 1,920.0 $ 1,723.4
Net premiums written 699.8 649.9 1,451.8 1,277.1
Net premiums earned 645.6 553.4 1,271.4 1,071.2
Loss and loss adjustment expenses incurred, net 365.6 336.0 770.8 637.1
Acquisition costs, net 168.4 143.0 322.8 278.0
Other underwriting expenses 44.0 37.5 81.7 74.9
Underwriting income (loss) 67.6 36.9 96.1 81.2
Services noncontrolling income (loss) 0.0 0.0 0.0 0.0
Net income available to SiriusPoint 76.3 46.0 123.7 108.4
Segment income (loss) 76.3 46.0 123.7 108.4
Income before income tax expense 76.3 46.0 123.7 108.4
Income tax expense 0.0 0.0 0.0 0.0
Net income (loss) 76.3 46.0 123.7 108.4
Attritional losses 379.9 335.3 751.5 644.4
Catastrophe losses   5.6 67.4 5.6
Catastrophe losses (0.5)      
Prior year loss reserve development (13.8) (4.9) (48.1) (12.9)
Loss and loss adjustment expenses incurred, net $ 365.6 $ 336.0 $ 770.8 $ 637.1
Underwriting Ratios:        
Attritional loss ratio 0.588 0.606 0.591 0.602
Catastrophe loss ratio (0.001) 0.010 0.053 0.005
Prior year loss development ratio (0.021) (0.009) (0.038) (0.012)
Loss ratio 56.60% 60.70% 60.60% 59.50%
Acquisition cost ratio 26.10% 25.80% 25.40% 26.00%
Other underwriting expenses ratio 6.80% 6.80% 6.40% 7.00%
Combined ratio 89.50% 93.30% 92.40% 92.50%
Operating Segments | Services        
Segment Reporting Information [Line Items]        
Services revenues $ 58.1 $ 57.4 $ 120.2 $ 123.2
Services expenses 49.6 47.7 92.7 93.7
Net services fee income 8.5 9.7 27.5 29.5
Services noncontrolling income (loss) 0.2 (0.6) 0.1 (2.3)
Net income available to SiriusPoint 8.7 9.1 27.6 27.2
Net corporate and other expenses (49.6) (47.7) (92.7) (93.7)
Eliminations        
Segment Reporting Information [Line Items]        
Gross premiums written 0.0 0.0 0.0 0.0
Net premiums written 0.0 0.0 0.0 0.0
Net premiums earned 0.0 0.0 0.0 0.0
Loss and loss adjustment expenses incurred, net (1.5) (1.3) (3.5) (2.7)
Acquisition costs, net (28.2) (36.5) (56.2) (69.7)
Other underwriting expenses 0.0 0.0 0.0 0.0
Underwriting income (loss) 29.7 37.8 59.7 72.4
Services noncontrolling income (loss) 0.0 0.0 0.0 0.0
Net income available to SiriusPoint (2.0) 3.4 (2.2) 0.9
Segment income (loss) (2.0) 3.4 (2.2) 0.9
Income before income tax expense (2.0) 3.4 (2.2) 0.9
Income tax expense 0.0 0.0 0.0 0.0
Net income (loss) (2.0) 3.4 (2.2) 0.9
Attritional losses (1.5) (1.3) (3.5) (2.7)
Catastrophe losses   0.0 0.0 0.0
Catastrophe losses 0.0      
Prior year loss reserve development 0.0 0.0 0.0 0.0
Loss and loss adjustment expenses incurred, net (1.5) (1.3) (3.5) (2.7)
Eliminations | Services        
Segment Reporting Information [Line Items]        
Services revenues (31.7) (34.4) (61.9) (71.5)
Services expenses 0.0 0.0 0.0 0.0
Net services fee income (31.7) (34.4) (61.9) (71.5)
Services noncontrolling income (loss) 0.0 0.0 0.0 0.0
Net income available to SiriusPoint (31.7) (34.4) (61.9) (71.5)
Net corporate and other expenses 0.0 0.0 0.0 0.0
Corporate        
Segment Reporting Information [Line Items]        
Gross premiums written 18.1 21.8 12.9 47.7
Net premiums written 4.6 (6.3) (4.4) 5.8
Net premiums earned 6.4 37.1 7.3 113.1
Loss and loss adjustment expenses incurred, net 8.5 29.7 7.1 47.5
Acquisition costs, net 0.7 13.4 4.0 56.5
Other underwriting expenses 4.3 3.6 7.7 8.0
Underwriting income (loss) (7.1) (9.6) (11.5) 1.1
Services revenues 0.9 95.9 (1.3) 95.0
Services expenses 21.3 18.9 38.8 28.9
Services noncontrolling income (loss) (0.3) (0.3) (0.6) 0.3
Net income available to SiriusPoint (11.1) 64.5 3.3 99.4
Segment income (loss) (7.1) (9.6) (11.5) 1.1
Net investment income 68.2 78.2 139.4 157.0
Net realized and unrealized investment gains (losses) 0.7 (54.9) 0.4 (53.9)
Loss on settlement and change in fair value of liability-classified capital instruments   10.6   (5.3)
Net corporate and other expenses (21.3) (18.9) (38.8) (28.9)
Intangible asset amortization (2.8) (3.0) (5.7) (5.9)
Interest expense (21.1) (15.7) (39.2) (36.2)
Foreign exchange (losses) gains (16.7) (3.6) (14.5) 0.1
Income before income tax expense 0.8 79.0 28.8 123.0
Income tax expense (11.6) (14.2) (24.9) (23.9)
Net income (loss) (10.8) 64.8 3.9 99.1
Attritional losses 3.4 25.9 1.9 74.6
Prior year loss reserve development 5.1 3.8 5.2 (27.1)
Loss and loss adjustment expenses incurred, net 8.5 29.7 7.1 47.5
Segment Measure Reclass        
Segment Reporting Information [Line Items]        
Loss and loss adjustment expenses incurred, net 0.0   0.0  
Services revenues 26.4 23.0 58.3 51.7
Services expenses 49.6 47.7 92.7 93.7
Services noncontrolling income (loss) 0.2 (0.6) 0.1 (2.3)
Net income available to SiriusPoint 0.0 0.0 0.0 0.0
Segment income (loss) 23.0 25.3 34.3 44.3
Net realized and unrealized investment gains (losses) 0.0 0.0 0.0 0.0
Net corporate and other expenses (49.6) (47.7) (92.7) (93.7)
Income before income tax expense (0.2) 0.6 (0.1) 2.3
Income tax expense 0.0 0.0 0.0 0.0
Net income (loss) (0.2) 0.6 (0.1) 2.3
Attritional losses 0.0   0.0  
Prior year loss reserve development 0.0   0.0  
Loss and loss adjustment expenses incurred, net 0.0   0.0  
Segment Measure Reclass | Services        
Segment Reporting Information [Line Items]        
Services revenues (26.4) (23.0) (58.3) (51.7)
Services expenses (49.6) (47.7) (92.7) (93.7)
Net services fee income 23.2 24.7 34.4 42.0
Services noncontrolling income (loss) (0.2) 0.6 (0.1) 2.3
Net income available to SiriusPoint 23.0 25.3 34.3 44.3
Net corporate and other expenses 49.6 47.7 92.7 93.7
Insurance & Services | Operating Segments        
Segment Reporting Information [Line Items]        
Gross premiums written 560.4 490.2 1,195.5 1,014.5
Net premiums written 392.8 341.1 876.3 678.2
Net premiums earned 369.2 297.2 705.4 561.4
Loss and loss adjustment expenses incurred, net 209.2 192.2 419.1 368.7
Acquisition costs, net 97.9 75.8 185.2 141.0
Other underwriting expenses 22.6 17.3 41.5 35.4
Underwriting income (loss) 39.5 11.9 59.6 16.3
Segment income (loss) 48.2 21.0 87.2 43.5
Income before income tax expense 48.2 21.0 87.2 43.5
Attritional losses 218.9 188.2 426.5 362.4
Catastrophe losses   2.6 4.8 2.6
Catastrophe losses 0.0      
Prior year loss reserve development (9.7) 1.4 (12.2) 3.7
Loss and loss adjustment expenses incurred, net $ 209.2 $ 192.2 $ 419.1 $ 368.7
Underwriting Ratios:        
Attritional loss ratio 0.593 0.633 0.604 0.645
Catastrophe loss ratio 0 0.009 0.007 0.005
Prior year loss development ratio (0.026) 0.005 (0.017) 0.007
Loss ratio 56.70% 64.70% 59.40% 65.70%
Acquisition cost ratio 26.50% 25.50% 26.30% 25.10%
Other underwriting expenses ratio 6.10% 5.80% 5.90% 6.30%
Combined ratio 89.30% 96.00% 91.60% 97.10%
Insurance & Services | Operating Segments | Services        
Segment Reporting Information [Line Items]        
Services revenues $ 58.1 $ 57.4 $ 120.2 $ 123.2
Services expenses 49.6 47.7 92.7 93.7
Net services fee income 8.5 9.7 27.5 29.5
Services noncontrolling income (loss) 0.2 (0.6) 0.1 (2.3)
Net income available to SiriusPoint 8.7 9.1 27.6 27.2
Net corporate and other expenses (49.6) (47.7) (92.7) (93.7)
Reinsurance | Operating Segments        
Segment Reporting Information [Line Items]        
Gross premiums written 369.7 352.5 724.5 708.9
Net premiums written 307.0 308.8 575.5 598.9
Net premiums earned 276.4 256.2 566.0 509.8
Loss and loss adjustment expenses incurred, net 156.4 143.8 351.7 268.4
Acquisition costs, net 70.5 67.2 137.6 137.0
Other underwriting expenses 21.4 20.2 40.2 39.5
Underwriting income (loss) 28.1 25.0 36.5 64.9
Segment income (loss) 28.1 25.0 36.5 64.9
Income before income tax expense 28.1 25.0 36.5 64.9
Attritional losses 161.0 147.1 325.0 282.0
Catastrophe losses   3.0 62.6 3.0
Catastrophe losses (0.5)      
Prior year loss reserve development (4.1) (6.3) (35.9) (16.6)
Loss and loss adjustment expenses incurred, net $ 156.4 $ 143.8 $ 351.7 $ 268.4
Underwriting Ratios:        
Attritional loss ratio 0.583 0.574 0.573 0.553
Catastrophe loss ratio (0.002) 0.012 0.111 0.006
Prior year loss development ratio (0.015) (0.025) (0.063) (0.033)
Loss ratio 56.60% 56.10% 62.10% 52.60%
Acquisition cost ratio 25.50% 26.20% 24.30% 26.90%
Other underwriting expenses ratio 7.70% 7.90% 7.10% 7.70%
Combined ratio 89.80% 90.20% 93.50% 87.20%
Reinsurance | Operating Segments | Services        
Segment Reporting Information [Line Items]        
Services revenues $ 0.0 $ 0.0 $ 0.0 $ 0.0
Services expenses 0.0 0.0 0.0 0.0
Net services fee income 0.0 0.0 0.0 0.0
Services noncontrolling income (loss) 0.0 0.0 0.0 0.0
Net income available to SiriusPoint 0.0 0.0 0.0 0.0
Net corporate and other expenses $ 0.0 $ 0.0 $ 0.0 $ 0.0