Arch Capital Group Ltd (ACGLN) Q2 2025 Earnings Report

Arch Capital reported solid QQ2 2025 results underpinned by resilient underwriting discipline and a diversified platform. After-tax operating income amounted to $979 million, yielding operating earnings per share of $2.58, with book value per share rising 7.3% in the quarter and year-to-date BVPS up 11.4%. The company also highlighted a robust, risk-adjusted return profile, evidenced by an annualized operating ROE of 18.2%. The year saw meaningful contributions from the Allianz MidCorp and entertainment acquisitions, with net premiums written from the acquired units totaling $451 million and contributing 28.9 percentage points to year-over-year premium growth in the insurance segment.

Segment performance remained favorable on a combined basis, with an ex-cat accident-year combined ratio of 80.9% (down 10 bps QoQ). Management underscored continued disciplined capital deployment—principally through buybacks (July buyback of $161 million; $360 million repurchased in H1 2025)—and emphasized a preference for growth in lines with attractive risk-adjusted returns. The Mortgage segment delivered another strong quarter (underwriting income of $238 million), supported by a durable in-force portfolio and steady profitability despite lower originations. In property-cat reinsurance, Florida expansion yielded attractive risk-adjusted returns, supported by a higher FHCF attachment and broad capacity deployment. Management cautioned that 2H 2025 will reflect midyear timing effects (notably ceded premium accruals) but expects the ongoing integration to unlock efficiency gains and margin expansion over time. Overall, Arch remains positioned to navigate multiple underwriting cycles, sustain elevated investment income, and balance growth with underwriting profitability.