Products & Services · Year Four

Third party claims-made business — Year Four

Arch Capital Group Third party claims-made business — Year Four increased by 10.1% to 12.0% in Q4 2025 compared to the prior quarter. Year-over-year, this metric grew by 10.1%, from 10.9% to 12.0%. This increase may warrant attention — for this metric, lower values are generally preferred.

Analysis

StatementSegment
CategoryEfficiency
SignalLower is better
VolatilityStable
First reportedQ4 2018
Last reportedQ4 2025

How to read this metric

Stability in year-four data indicates that the ultimate loss outcome is becoming predictable and reserves are likely adequate.

Detailed definition

This metric tracks the loss development or claims activity observed during the fourth year following the inception of th...

Peer comparison

Standard actuarial development triangle component; peers use this to confirm the maturity and finality of older underwriting years.

Metric ID: acgl_segment_third_party_claims_made_business_year_four

Historical Data

5 periods
 Q4 '21Q4 '22Q4 '23Q4 '24Q4 '25
Value12.3%11.4%11.1%10.9%12%
QoQ Change-7.3%-2.6%-1.8%+10.1%
YoY Change-7.3%-2.6%-1.8%+10.1%
Range10.9%12.3%
CAGR-2.4%
Avg YoY Growth-0.4%
Median YoY Growth-2.2%

Frequently Asked Questions

What is Arch Capital Group's third party claims-made business — year four?
Arch Capital Group (ACGL) reported third party claims-made business — year four of 12.0% in Q4 2025.
How has Arch Capital Group's third party claims-made business — year four changed year-over-year?
Arch Capital Group's third party claims-made business — year four increased by 10.1% year-over-year, from 10.9% to 12.0%.
What does third party claims-made business — year four mean?
Claims activity and loss development observed during the fourth year of an underwriting period.