White Mountains Insurance Group WTM Specialty — 7

Other product segments

Similar metrics at other companies

CNASpecialty — Claim and claim adjustment expenses

$7.79B+2.8%

ACGLSpecialty — Year Seven

1.2%-0.4pp

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

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

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

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

ORISpecialty Insurance Segment — Loss and Loss Adjustment Expenses Reserves

$7.83B+6.6%

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

$13M—

Questions, answered.

What is White Mountains Insurance Group's specialty — 7?

White Mountains Insurance Group (WTM) reported specialty — 7 of 2.1% in Q4 2025.

How has White Mountains Insurance Group's specialty — 7 changed year-over-year?

White Mountains Insurance Group's specialty — 7 increased by 40.0% year-over-year, from 1.5% to 2.1%.

What does specialty — 7 mean?

Represents the adjustment to specialty segment loss reserves attributable to prior accident years, highlighting the impact of emerging claim trends on historical financial statements. Investors use this to assess the stability of the segment's long-term loss experience.