Arch Capital Group (ACGL) Q2 2025 earnings summary

Executive summary

• Net income available to common shareholders was $1.23 billion for Q2 2025, with annualized net income ROE of 22.9% and operating ROE of 18.2%; book value per share rose 7.3% sequentially to $59.17, driven by strong underwriting, investment returns, and disciplined capital management.

• Gross premiums written reached $6.2 billion for Q2 2025, up 15.1% year-over-year, with strong contributions from insurance, reinsurance, and mortgage segments.

• All three business segments delivered strong underlying results, with insurance segment net premiums up 30.7% year-over-year, reinsurance segment underwriting income at $451 million, and mortgage segment underwriting income at $238 million.

• Maintained a conservative balance sheet and dynamic capital allocation, focusing on underwriting discipline and risk-adjusted returns.

• Demonstrated superior value creation with a 15.8% compound annual growth rate in book value per common share plus dividends from 2001 to June 2025.

Financial highlights

• Net investment income for Q2 2025 was $405 million, up from $364 million year-over-year; total investment income (including equity method) was $567 million.

• Net realized gains were $229 million, up from $122 million year-over-year, mainly due to financial market movements.

• Pre-tax current accident year catastrophe losses were $154 million, mainly from U.S. convective storms; favorable prior year reserve development was $139 million.

• Net cash provided by operating activities for the six months ended June 30, 2025 was $2.58 billion.

• Book value per common share plus cumulative dividends reached $59.17 by June 2025.

Outlook and guidance

• Management expects continued selective growth in casualty and international lines, with favorable rate trends supporting future premium growth and disciplined underwriting in property and casualty markets.

• Capital return, including share buybacks, will remain a focus in the second half of the year, subject to market opportunities.

• Mortgage originations are expected to remain soft until at least 2026, with a potential pickup if interest rates decline.

• Continued emphasis on underwriting discipline, cautious reserving, and minimizing investment risk.