What is Arch Capital Group's reinsurance — loss ratio?

Arch Capital Group (ACGL) reported reinsurance — loss ratio of 51.7% in Q1 2026.

How has Arch Capital Group's reinsurance — loss ratio changed year-over-year?

Arch Capital Group's reinsurance — loss ratio decreased by 22.7% year-over-year, from 66.9% to 51.7%.

What does reinsurance — loss ratio mean?

The ratio of net losses and loss adjustment expenses incurred to net premiums earned within the reinsurance segment. It measures the underwriting profitability of the reinsurance business by showing the percentage of premium dollars consumed by claims.

Arch Capital Group ACGL Reinsurance — Loss ratio

Other segment segments

Insurance

60.2%-8.8%

Mortgage

5.3%+382%

Similar metrics at other companies

AXSReinsurance — Loss Ratio

66.8%-0.9pp

ESN

ESNTReinsurance — Loss ratio

33.9%—

SPNTReinsurance — Loss Ratio

51.9%-15.5pp

AXSInsurance — Loss Ratio

56.1%+0.5pp

ESN

ESNTReinsurance — Combined ratio

69.6%+52.6pp

SPNTReinsurance — Catastrophe loss ratio

2.1%-19.7pp

Other financials

Income statement

See full

Revenue$4.5B-3.3%

Net income$1.0B+82.4%

EPS (diluted)$2.88+94.6%

Balance sheet

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Cash & equivalents$1.8B-10.3%

Total debt$2.4B0.0%

Total equity$24.2B+12.3%

Total assets$81.4B+8.3%

Cash flow

See full

Operating cash flow$1.2B-18.5%

CapEx$8.0M-11.1%

Free cash flow$1.2B-18.6%

Valuation

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Market cap$33.91B+5.5%

Enterprise value$34.53B+5.2%

P/E7×-1.6×

P/S1.7×0.0×

Profitability

See full

Net margin24.6%+3.9pp

FCF margin29.6%-6.3pp

Returns & leverage

See full

Return on equity21.3%+2.9pp

Debt / equity0.1×0.0×

Where this comes from

Reported directly by Arch Capital Group in its filing.

Tagged under the XBRL concept us-gaap:LossRatio.

The official record: Arch Capital Group’s 10-Q, filed May 5, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Arch Capital Group's reinsurance — loss ratio?: Arch Capital Group (ACGL) reported reinsurance — loss ratio of 51.7% in Q1 2026.
How has Arch Capital Group's reinsurance — loss ratio changed year-over-year?: Arch Capital Group's reinsurance — loss ratio decreased by 22.7% year-over-year, from 66.9% to 51.7%.
What does reinsurance — loss ratio mean?: The ratio of net losses and loss adjustment expenses incurred to net premiums earned within the reinsurance segment. It measures the underwriting profitability of the reinsurance business by showing the percentage of premium dollars consumed by claims.