What is Arch Capital Group's specialty — year four?

Arch Capital Group (ACGL) reported specialty — year four of 6.7% in Q4 2025.

How has Arch Capital Group's specialty — year four changed year-over-year?

Arch Capital Group's specialty — year four increased by 4.7% year-over-year, from 6.4% to 6.7%.

What does specialty — year four mean?

This represents the loss development or performance metrics for the fourth year of an underwriting cohort's lifecycle. By this point, most claims are typically reported, and the focus shifts to the final settlement of remaining liabilities. It serves as a benchmark for the long-term accuracy of the segment's underwriting models.

Arch Capital Group ACGL Specialty — Year Four

Other product segments

Property catastrophe

138.8%-35.1%

Marine and aviation

15%+8.7%

Casualty

12.1%+1.7%

Property excluding property catastrophe

7.3%+7.4%

Similar metrics at other companies

GLRESpecialty — Year 4

40.2%+17.2pp

AXSInsurance — Year 4

14.8%—

GLREFinancial — Year 4

36%+7.2pp

GLREHealth — Year 4

0%—

HMNSpecialty Health — Year Four

1.4%+0.6pp

KMPRSpecialty Personal Automobile Insurance—Physical Damage — Year 4

99.8%-0.2pp

Other financials

Income statement

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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

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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$34.08B0.0%

Enterprise value$34.7B-0.2%

P/E7×-2.1×

P/S1.7×-0.1×

Profitability

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Net margin24.6%+3.9pp

FCF margin29.6%-6.3pp

Returns & leverage

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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:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour.

The official record: Arch Capital Group’s 10-K, filed February 26, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Arch Capital Group's specialty — year four?: Arch Capital Group (ACGL) reported specialty — year four of 6.7% in Q4 2025.
How has Arch Capital Group's specialty — year four changed year-over-year?: Arch Capital Group's specialty — year four increased by 4.7% year-over-year, from 6.4% to 6.7%.
What does specialty — year four mean?: This represents the loss development or performance metrics for the fourth year of an underwriting cohort's lifecycle. By this point, most claims are typically reported, and the focus shifts to the final settlement of remaining liabilities. It serves as a benchmark for the long-term accuracy of the segment's underwriting models.