White Mountains Insurance Group WTM Casualty-Runoff — 6

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Similar metrics at other companies

ALLRun-off Property-Liability — Losses from catastrophes, net of recoveries

$30.75M+108%

ACGLCasualty — All outstanding liabilities before 2016, net of reinsurance

40,600,000,000%+5,200,000,000pp

ALLRun-off Property-Liability — Reserve for property and casualty insurance claims and claims expense

$761M+5.3%

WRBCasualty — Reserves for loss and loss adjustment expenses before 2016, net of reinsurance

$331.38M-7.4%

KNSLCasualty - occurrence — All outstanding liabilities not separately presented, net of reinsurance

$9.09M+31.0%

SIGICasualty lines — Total liabilities for unpaid loss and loss expenses, net of reinsurance

$736.54M+22.5%

Questions, answered.

What is White Mountains Insurance Group's casualty-runoff — 6?

White Mountains Insurance Group (WTM) reported casualty-runoff — 6 of 6.7% in Q4 2025.

How has White Mountains Insurance Group's casualty-runoff — 6 changed year-over-year?

White Mountains Insurance Group's casualty-runoff — 6 decreased by 1.5% year-over-year, from 6.8% to 6.7%.

What does casualty-runoff — 6 mean?

This metric represents the total net loss reserves held for the casualty runoff segment. It reflects the estimated future obligations for claims that have been incurred but not yet fully settled. Monitoring this balance is essential for assessing the long-term financial exposure of the runoff portfolio.