| Segment | Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 |
|---|---|---|---|---|---|
| UK/Europe Property and Special Risks | — | 16.5% | 16.7% | 18.7% | 18.7% |
| U.S. Financial Lines | — | 19.6% | 18.2% | 16% | 15.7% |
| U.S. Other Casualty | — | 14.9% | 14.2% | 13.8% | 11.9% |
| UK/Europe Casualty and Financial lines | — | 12.8% | 12.2% | 11.5% | 10.9% |
| U.S. Workers' Compensation (before discount) | 11.8% | 11.5% | 11% | 11% | 10.5% |
| U.S. Property and Special Risks | — | 11.6% | 11.8% | 10.9% | 10.4% |
| U.S. Excess Casualty | — | 9.3% | 9.2% | 8.9% | 8.3% |
| UK/Europe and Japan Personal Insurance | — | 7.4% | 7.2% | 7% | 6.9% |
| U.S. Personal Insurance | — | 5.5% | 5.2% | 4.7% | 4.9% |
| Total | 11.8% | 11.5% | 11% | 11% | 10.5% |