Arch Capital Group Reinsurance — Net premiums written increased by 44.5% to $2.18B in Q1 2026 compared to the prior quarter. Year-over-year, this metric declined by 6.0%, from $2.32B to $2.18B. Over 4 years (FY 2021 to FY 2025), Reinsurance — Net premiums written shows an upward trend with a 23.7% CAGR. This is a positive signal — higher values indicate stronger performance for this metric.
Higher net premiums written generally indicate a larger retained book of business, which can lead to higher potential underwriting profits if loss ratios remain favorable.
Calculated as gross premiums written minus ceded premiums written, this metric represents the actual premium volume reta...
Standard industry metric for measuring net underwriting volume.
acgl_segment_reinsurance_net_premiums_written| Q2 '21 | Q3 '21 | Q4 '21 | Q1 '22 | Q2 '22 | Q3 '22 | Q4 '22 | Q1 '23 | Q2 '23 | Q3 '23 | Q4 '23 | Q1 '24 | Q2 '24 | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Value | $924.73M | $621.39M | $709.14M | $1.14B | $1.16B | $1.08B | $1.54B | $1.73B | $1.71B | $1.56B | $1.56B | $2.27B | $1.95B | $1.95B | $1.59B | $2.32B | $2.06B | $1.74B | $1.51B | $2.18B |
| QoQ Change | — | -32.8% | +14.1% | +60.6% | +2.1% | -7.2% | +43.1% | +11.8% | -1.0% | -8.6% | -0.3% | +45.5% | -14.1% | -0.1% | -18.4% | +45.8% | -11.1% | -15.6% | -13.3% | +44.5% |
| YoY Change | — | — | — | — | +25.7% | +73.6% | +117.6% | +51.5% | +47.0% | +44.8% | +0.9% | +31.3% | +13.9% | +24.5% | +2.0% | +2.2% | +5.8% | -10.7% | -5.2% | -6.0% |