ACGLFinancial ServicesInsurance - Specialty + Reinsurance·Sep 3, 2026·4 min read

[ACGL] Arch Capital Thesis 2026: Book Value Surges as Record Buyback Signals Confidence

Arch Capital Group FY25 (Dec 31, 2025) at $19.93B revenue (+14%). NI $4.40B; EPS $11.62. Q4 after-tax operating income $1.1B (+26%); FY $3.7B. Book value per share +22.6%. Buyback $1.9B FY25 (fastest pace ever). Reinsurance record $1.6B FY underwriting income. Insurance Q4 ex-cat combined ratio 90.8%. FY26 cat losses 7-8% of NEP guide; active buyback.

Arch Capital 2025-26: BVPS +22.6%, $1.9B Buyback Record

FY25 revenue $19.93B (+14%); Op income $4.98B (+11%); NI $4.40B (+2%); EPS $11.62. Q4 after-tax operating income $1.1B (+26% YoY); FY $3.7B. Book value per share +22.6%. Buyback $1.9B FY25 (record pace). Reinsurance segment record $1.6B underwriting income FY25. FY26: cat losses 7-8% of NEP; buyback active throughout depending on market.

Key takeaways

  • Book value per share +22.6% — best growth among P&C re/insurance peers. Strong underwriting + investment + buyback compounding. The cleanest signal for ACGL's compounding.
  • $1.9B buyback FY25 — fastest pace ever. Material capital return reflecting strong underwriting + investment income + Bermuda capital flexibility.
  • Reinsurance record $1.6B underwriting income FY. Hard cycle benefit + disciplined capacity deployment + property cat selectivity. Q4 reinsurance combined ratio ex-cat + prior-year-development continues strong.
  • Q4 after-tax op income $1.1B (+26% YoY). Insurance Q4 underwriting income $119M; ex-cat combined ratio 90.8% similar to prior year.
  • Insurance + Reinsurance + Mortgage Insurance combined. Diversified specialty franchise + strong cycle leverage + mortgage insurance steady cycle component.

Business

Arch Capital Group is a Bermuda-based specialty insurance + reinsurance + mortgage insurance holding company. Three primary reporting segments:

  • Insurance (~50% of revenue): Specialty P&C — energy + marine + aviation + medical malpractice + professional liability + cyber + financial. International + North America. Q4 ex-cat combined ratio 90.8%.
  • Reinsurance (~30% of revenue): Property catastrophe + casualty + specialty reinsurance. Cycle-leveraged. Record $1.6B underwriting income FY25.
  • Mortgage Insurance (~20% of revenue): US mortgage insurance (Arch MI) + International. Steady through cycle; benign credit environment continuing.

Strategic positioning: top-tier specialty insurer + reinsurer + MI. Bermuda domicile + diversified portfolio + active capital management create flexibility for hard markets + buybacks.

FY25 financial performance

Metric (FY)202320242025
Revenue ($B)13.2917.4419.93
Gross profit ($B)4.746.457.41
Op income ($B)3.114.474.98
Op margin23.4%25.7%25.0%
EBITDA ($B)3.614.855.35
Net income ($B)4.444.314.40
Diluted EPS ($)11.6211.1911.62
FCF ($B)5.706.626.13
Total debt ($B)2.732.732.73
Dividends ($M)-40-1,906-47
Buyback ($B)-0.002-0.024-1.889

The earnings print: Revenue +14%, op income +11%, EPS $11.62 (~flat). Strong underwriting + investment + capital management.

(Note: FY24's $1.9B "dividend" was a special capital distribution; FY25 returned to normal modest dividend + amplified buyback as primary capital return.)

Capital allocation

  • Capex: $-44M FY25 (insurance company; light).
  • Dividends: $-47M FY25 (regular).
  • Buybacks: $-1.89B FY25 — fastest pace in company history.
  • Debt: $2.73B held flat.

FY26 outlook (per Q4 2025 call, 2026-02-10)

FY26 frameworkDirection
Cat losses (% of NEP)7-8% (current estimate)
BuybackActive throughout, depending on market conditions
Reinsurance marketContinued competition in property cat; opportunities in other specialty lines
Capital managementFlexible deployment

Key risks

  • Catastrophe losses: Cat exposure varies by year; 7-8% guide assumes typical.
  • Reinsurance cycle: Property cat softening competition; capacity discipline matters.
  • Mortgage credit: Mortgage insurance exposure to housing cycle.
  • Investment portfolio: Rates + credit cycle affect investment income.
  • Specialty competition: New entrants in specialty lines.
  • Bermuda regulatory: Tax + regulatory framework.

Bottom line

ACGL FY25 is the BVPS +22.6% + record buyback year. Strong underwriting + investment + active capital. FY26 cat 7-8% guide + active buyback continuing. Risks are cat + cycle + credit + investment. Quality compounder with Bermuda capital flexibility.

Citations

  • Arch Capital Group Ltd. FY25 Form 10-K (filed February 2026, SEC EDGAR + Bermuda Monetary Authority).
  • ACGL Q4 2025 earnings call, 2026-02-10 — Q4 after-tax op income $1.1B (+26%); FY $3.7B; BVPS +22.6%; $1.9B buyback FY25 (record); Reinsurance record $1.6B underwriting income; Insurance Q4 underwriting $119M, ex-cat combined ratio 90.8%; FY26 cat losses 7-8% of NEP.
  • Internal financial_statements view (consolidated annual + cash flow + capital structure).
Related:ACGL

Want deeper analysis?

Ask drillr anything about ACGL — powered by SEC filings, earnings calls, and real-time data.

Try drillr.ai for free