Business Segments · Reserve for Losses and Loss Expenses
Insurance — Reserve for Losses and Loss Expenses
W.R. Berkley Insurance — Reserve for Losses and Loss Expenses increased by 10.1% to $18.59B in Q4 2025 compared to the prior quarter. Year-over-year, this metric grew by 10.1%, from $16.89B to $18.59B.
Analysis
StatementSegment
CategoryRisk
SignalContext dependent
VolatilityModerate
First reportedQ4 2017
Last reportedQ4 2025
Rolls up toClaims and claim adjustment expense reserves
How to read this metric
Significant increases may indicate rising claim severity or frequency, while stability suggests effective risk management.
Detailed definition
This liability represents the estimated total cost of claims that have been incurred but not yet settled or paid. It is...
Peer comparison
Universal metric for insurers known as 'Loss Reserves' or 'Claims Liabilities'.
Metric ID:
wrb_segment_insurance_reserve_for_losses_and_loss_expensesHistorical Data
5 periods
| Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 | |
|---|---|---|---|---|---|
| Value | $12.38B | $13.79B | $15.39B | $16.89B | $18.59B |
| QoQ Change | — | +11.4% | +11.6% | +9.8% | +10.1% |
| YoY Change | — | +11.4% | +11.6% | +9.8% | +10.1% |
Range$12.38B – $18.59B
CAGR+50.2%
Avg YoY Growth+10.7%
Median YoY Growth+10.7%
Current Streak4+ quarters growth
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Frequently Asked Questions
- What is W.R. Berkley's insurance — reserve for losses and loss expenses?
- W.R. Berkley (WRB) reported insurance — reserve for losses and loss expenses of $18.59B in Q4 2025.
- How has W.R. Berkley's insurance — reserve for losses and loss expenses changed year-over-year?
- W.R. Berkley's insurance — reserve for losses and loss expenses increased by 10.1% year-over-year, from $16.89B to $18.59B.
- What does insurance — reserve for losses and loss expenses mean?
- The estimated amount of money set aside to pay for future insurance claims.