Insurance - Diversified (Property & Casualty, Reinsurance, and Mortgage Insurance)
Strategic Profile
Since its start in 2001, Arch has achieved book value per share growth at a compound annual growth rate in excess of 15%, placing it at the top of its peer group. The company is starting from a position of strength in 2026, though management recognizes that competition is increasing in several lines of business.
Cyborg Score Rationale
Arch generated $1.1 billion of after-tax operating income in Q4 2025 (up 26% YoY) and $3.7 billion for the full year, with a 17.1% annualized operating return on average common equity. Book value per share increased by 22.6% in 2025, demonstrating consistent value creation and disciplined capital allocation.
Top Insights
Arch repurchased $1.9 billion of common stock in 2025, representing 5.6% of outstanding shares at the start of the year.
Q4 2025 generated a consolidated combined ratio of 80.6%, demonstrating strong underwriting performance.
Reinsurance remains the most attractive segment for capital deployment, though the gap between segments has narrowed as market conditions evolve.
Bermuda tax credits are expected to reduce the reinsurance operating expense ratio and corporate expenses in 2026, supporting lower expected expense ratios.
Named Competitors
XL Axiata — Diversified insurance and reinsurance provider
RenaissanceRe — Bermuda-based reinsurance and insurance holdings
Everest Re — Property and casualty insurance and reinsurance
Aspen Insurance — Specialty insurance and reinsurance underwriter
Recent Developments
(February 2026) Q4 2025 earnings showed $1.1B after-tax operating income, up 26% YoY with 80.6% consolidated combined ratio
(February 2026) Book value per share increased 22.6% in 2025; $349M in share repurchases completed through early February 2026
(February 2026) Management signaled measured optimism for 2026 while noting increasing competition in multiple business lines
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