2

Name: White Mountains Insurance Group 2 by Products & Services
Creator: OpenCapital
License: https://www.opencapital.sh/terms

White Mountains Insurance Group·Products & Services·5 segments·Rolls up to Percentage payout of incurred claims, year two

Breakdown

Segment	Q4 '21	Q4 '22	Q4 '23	Q4 '24	Q4 '25
Property and Accident & Health	33.4%	34.2%	35.5%	32.8%	31.9%
Marine & Energy	37.7%	35.8%	34.9%	30.5%	27.1%
Specialty	33.8%	33.4%	30.6%	30.8%	26.8%
Casualty-Runoff	15.3%	15.4%	14%	14.1%	13.9%
Casualty-Active	14.7%	11.7%	8.8%	8.4%	7.5%
Total	—	—	—	—	—

Casualty-ActiveView metric

Casualty-RunoffView metric

Marine & EnergyView metric

Property and Accident & HealthView metric