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ARCH CAPITAL GROUP LTD. 8-K Report, Financial Results (Apr 28, 2026)

Reports
Earnings & Results·Exhibits & Filings
Filing Date
Filed April 28, 2026
Period End
April 28, 2026
Securities
ACGLACGLNACGLO
In the record · 2016–202610-K1110-Q328-K172

ACGL filed 11 annual reports (10-K), 32 quarterly reports (10-Q) and 172 current reports (8-K) between 2016 and 2026.

  1. Leadership change8-K · Nov ’17Nov ’17
  2. Material agreement8-K · Dec ’19Dec ’19
  3. Material agreement8-K · Apr ’22Apr ’22
  4. Leadership change8-K · Feb ’25Feb ’25

Summary

Summary of the 8-K filed April 28, 2026. Cited figures are marked; the original filing is the authoritative source.

Arch Capital Group (ACGL) reported first-quarter 2026 net income available to common shareholders of $1.04 billiona, or $2.88 per diluted share, an annualized 17.8% return on average common equity.

After-tax operating income was $901 millionb, or $2.50 per share, a 15.4% annualized operating return, up from $1.54 per share in the prior-year quarter. Underwriting income rose 74.6% to $728 million and the consolidated combined ratio improved 8.4 points to 81.7%. The improvement was driven mainly by a much lower catastrophe load (current-year cat losses of $174 million versus $547 million a year earlier, largely California wildfires) and $200 million of favorable prior-year reserve development.

The headline EPS gain is amplified by a $160 millionc equity-method income contribution and a lower effective tax rate, so investors should focus on the underwriting and operating figures. Top-line growth was soft. Gross premiums written fell 0.6% to $6.4 billion and net premiums written fell 3.7% to $4.3 billion.

Reinsurance net premiums written dropped 6.0%d, reflecting reduced property catastrophe business at January 1 and lower reinstatement premiums versus the wildfire-affected prior-year quarter. Insurance net premiums written declined 1.4%, though it grew 1.1% excluding non-renewed MCE Acquisition programs. The mortgage segment held flat on net premiums written while gross premiums declined 3.1%.

The insurance segment's combined ratio deteriorated to 96.5% from 100.1% in the prior year, but its expense ratio rose on higher compensation and transitional MCE costs. Capital deployment remained aggressive. Arch repurchased $783 million of shares at an average of $94.01 and ended the quarter with book value per common share of $66.19, up 1.7% in the quarter.

On April 19, 2026, the board increased the buyback authorization by $3.0 billion, though remaining authorization at quarter-end was $324 million before that increase. Management is leaning on buybacks and strong underwriting, but the soft pricing and shrinking top line are the key watch items.

Key Highlights

  1. Net income available to common shareholders of $1.04B ($2.88/diluted share), a 17.8% annualized ROE, versus $564M ($1.48) a year earlier.
  2. After-tax operating income of $901M ($2.50/share), a 15.4% annualized operating ROE, up from 11.5% in Q1 2025.
  3. Consolidated combined ratio improved to 81.7% from 90.1%; underwriting income up 74.6% to $728M.
  4. Current-year catastrophe losses fell to $174M from $547M, and favorable prior-year development totaled $200M, led by reinsurance (-$136M) and mortgage (-$56M).
  5. Gross premiums written down 0.6% and net premiums written down 3.7%, driven by reinsurance (NPW -6.0%) and insurance (NPW -1.4%), signaling a softer top line.
  6. Share repurchases of $783M in the quarter; book value per share rose 1.7% to $66.19, and the buyback authorization was increased by $3.0B on April 19, 2026.
  7. Earnings were boosted by $160M of equity-method income and an 8.6% effective tax rate, so headline EPS overstates underlying operating performance relative to after-tax operating EPS of $2.50.

Frequently Asked Questions

  1. Why did Arch's earnings improve so sharply year over year?

    The main driver was a much lighter catastrophe load: current-year cat losses were $174M versus $547M in Q1 2025, which was dominated by California wildfires. Reinsurance and mortgage also contributed large favorable reserve development. Underwriting income rose to $728M from $417M, and the combined ratio improved to 81.7% from 90.1%. Equity-method income of $160M (versus $53M) and a lower effective tax rate added further support to net income.

  2. Is the growth in premiums sustainable?

    Premium volume is currently declining. Gross premiums written fell 0.6%, and net premiums written fell 3.7%. Reinsurance was down 6.0% on NPW due to reduced property catastrophe business at January 1 and lower reinstatement premiums. Insurance NPW rose 1.1% excluding the non-renewal of certain MCE programs. Investors should watch whether pricing discipline leads to further top-line softness or whether volume recovers in later renewals.

  3. How much of the EPS is from one-time or non-operating items?

    Net income of $2.88 per diluted share includes items excluded from after-tax operating income of $2.50. These include $0.44 of equity-method income, $0.24 of net realized losses (mainly derivative and fair value movements), a $0.17 tax benefit, and a $0.06 foreign exchange gain. Management views these items as not indicative of underlying performance, so the $2.50 operating figure is the better gauge of recurring earnings.

  4. What is Arch doing with its excess capital?

    Arch returned capital aggressively, repurchasing $783M of shares at an average price of $94.01 in Q1 2026, and its book value per share grew to $66.19. The board increased the repurchase authorization by $3.0B on April 19, 2026, after $324M remained at quarter-end. Total debt was stable at $2.73B, and the debt-to-capital ratio was 10.1%.

  5. What are the main risks highlighted for investors?

    The release flags several risks: softening premium volume and pricing competition in reinsurance and insurance, the sensitivity of results to catastrophe activity (the Q1 2025 wildfires show how quickly a cat year can compress margins), reliance on favorable prior-year reserve development (which contributed $200M this quarter), and the lower mortgage segment premium trend from reduced U.S. monthly premium business. Foreign exchange volatility and evolving Bermuda and OECD tax rules are also cited.