White Mountains Insurance Group WTM Specialty — 8

Other product segments

Similar metrics at other companies

RDNSpecialty Insurance — Reinsurance Effect On Claims And Benefits Incurred Amount Ceded

$9.3M—

ACGLSpecialty — Liabilities for losses and loss adjustment expenses, net of reinsurance

366,900,000,000%+92,000,000,000pp

RDNSpecialty Insurance — Liability For Unpaid Claims And Claims Adjustment Expense Period Increase Decrease

$88M—

THGSpecialty Lines — Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense

-$20M-8.7%

ACGLSpecialty — Year Eight

0.5%-0.2pp

ACGLSpecialty — Incurred losses and allocated loss adjustment expenses, net of reinsurance

856,400,000,000%+686,800,000,000pp

Questions, answered.

What is White Mountains Insurance Group's specialty — 8?

White Mountains Insurance Group (WTM) reported specialty — 8 of 1.8% in Q4 2025.

How has White Mountains Insurance Group's specialty — 8 changed year-over-year?

White Mountains Insurance Group's specialty — 8 decreased by 0.0% year-over-year, from 1.8% to 1.8%.

What does specialty — 8 mean?

Measures the financial effect of prior year reserve adjustments within the specialty insurance segment, reflecting the ongoing assessment of claim liabilities. This metric helps identify potential trends in loss severity or frequency that deviate from original expectations.