ASE Technology Holding Co., Ltd. filed a Form 6-K with the U.S. Securities and Exchange Commission on October 29, 2026, reporting its third-quarter 2026 earnings release covering the period ended September 30, 2026.

Key Highlights

  • Total net revenues of NT$244,161 million in Q3 2026, up 28% quarter over quarter and 45% year over year, according to the filing.
  • Net income attributable to shareholders of the parent reached NT$26,996 million, an increase of 148% compared to Q3 2025.
  • Diluted EPS of NT$5.84 in Q3 2026, compared to NT$4.61 in Q2 2026 and NT$2.41 in Q3 2025.
  • ATM segment operating income of NT$30,243 million, representing an operating margin of 20.0%, up from 10.8% in Q3 2025.
  • Quarterly EBITDA of NT$57,963 million as of September 30, 2026, versus NT$45,779 million as of June 30, 2026.
  • Total interest-bearing debts stood at NT$406,461 million as of September 30, 2026, up from NT$306,230 million as of June 30, 2026.
  • Management projects consolidated Q4 2026 revenue growth of 6 to 8 percent quarter over quarter, with gross margin between 23% and 24%, based on an assumed exchange rate of 1 US dollar to 31.9 NT dollars.

ASE Technology Reports Strong Q3 2026 Results Across ATM and EMS Segments

According to the filing, ASE Technology Holding Co., Ltd. (NYSE:ASX) reported consolidated total net revenues of NT$244,161 million for Q3 2026, compared to NT$191,064 million in Q2 2026 and NT$168,569 million in Q3 2025. The ATM segment contributed NT$150,593 million, or 61.7% of consolidated revenues, while the EMS segment contributed NT$92,997 million, or 38.1%. Gross profit for the consolidated entity reached NT$53,967 million, representing a gross margin of 22.1%, compared to 21.0% in Q2 2026 and 17.1% in Q3 2025.

The filing reported consolidated operating income of NT$33,142 million, an operating margin of 13.6%, up from 11.1% in Q2 2026 and 7.8% in Q3 2025. Within the ATM segment, packaging revenues were NT$122,945 million and testing revenues were NT$26,302 million. The ATM segment's gross margin expanded to 30.6% from 27.3% in Q2 2026 and 22.6% in Q3 2025. The EMS segment reported revenues of NT$93,469 million, gross profit of NT$7,793 million (an 8.3% gross margin), and operating income of NT$3,111 million (a 3.3% operating margin).

On the balance sheet, the filing disclosed total assets of NT$1,244,785 million as of September 30, 2026, with cash and cash equivalents of NT$88,421 million and property, plant and equipment of NT$621,962 million. The net debt to equity ratio was reported at 0.66, compared to 0.47 as of June 30, 2026. For Q4 2026 outlook, management projected ATM revenue growth of 11 to 13 percent quarter over quarter and ATM gross margin improvement of 100 to 200 basis points quarter over quarter, while EMS revenue was projected to be "flattish" quarter over quarter with an operating margin of around 2%. The filing noted these projections are forward-looking statements subject to the company's cautionary language.

What Was Disclosed

ASE Technology's Q3 2026 earnings release, filed via Form 6-K on October 29, 2026, reported quarterly financial results for the period ended September 30, 2026, including income statement comparisons, balance sheet data, segment breakdowns, and Q4 2026 management projections.