Arch Capital Group (ACGL) Investor presentation summary

Strategic positioning and business model

• Operates as a leading specialty insurer with a global presence, writing $22.9B in gross premiums and maintaining a combined ratio of 82.8% for 2025.

• Focuses on commercial lines, reinsurance, and mortgage insurance, leveraging underwriting expertise and innovative risk models.

• Allocates capital to maximize risk-adjusted returns, prioritizing reinvestment, debt reduction, and shareholder returns.

• Employs a diversified platform and cycle management to ensure long-term profitability and lower volatility.

• Maintains strong financial strength ratings (AA- S&P, A+ A.M. Best) and is a member of the S&P 500.

Financial performance and growth

• Achieved a 15.9% annualized growth rate in book value per share plus dividends from 2001 to 2025.

• Net premiums written in 2025 were split between insurance ($7.8B), reinsurance ($7.6B), and mortgage ($1.1B).

• Consistently superior risk-adjusted returns with less volatility than industry peers, delivering 2x the average value creation with 83% of the average volatility.

• $100 invested since 2001 grew to $3,526 by 2025, outperforming both the S&P 500 and S&P 500 P&C Index.

• Business growth has driven increases in both investment income and invested assets, reaching $47.4B in invested assets by 2025.

Segment performance and underwriting results

• Insurance and reinsurance segments each contributed 47% of total net premiums written in 2025, with mortgage at 6%.

• Insurance segment combined ratio was 95.2% in 2025, improving to 91.0% when excluding catastrophic activity and prior year development.

• Reinsurance segment combined ratio was 80.8% in 2025, dropping to 76.7% when excluding catastrophic activity and prior year development.

• Mortgage segment combined ratio was 14.6% in 2025, or 35.9% excluding prior year development.

• Global mortgage insurance in force reached $509B in 2025, with $1.0B in underwriting income.