Business Context and Reporting Period
Company: Amkor Technology, Inc. (AMKR)
Filing Type: Form 10-Q (Unaudited)
Reporting Period: Quarter and six months ended June 30, 2026
Business Overview: Amkor is the world's largest U.S.-headquartered outsourced semiconductor assembly and test (OSAT) provider. The company focuses on advanced packaging and test technologies for high-performance computing (HPC), artificial intelligence (AI), automotive, and mobile communications markets. Key strategic initiatives include the construction of a new facility in Arizona and scaling production in Vietnam.
Key Financial Metrics
| Metric (in thousands) | Q2 2026 | Q2 2025 | 6M 2026 | 6M 2025 |
|---|---|---|---|---|
| Net Sales | $1,897,965 | $1,511,392 | $3,582,666 | $2,832,967 |
| Gross Profit | $318,590 | $181,897 | $557,622 | $339,480 |
| Gross Margin | 16.8% | 12.0% | 15.6% | 12.0% |
| Operating Income | $199,854 | $91,967 | $300,141 | $123,490 |
| Operating Margin | 10.5% | 6.1% | 8.4% | 4.4% |
| Net Income (Attributable to Amkor) | $173,753 | $54,417 | $257,104 | $75,545 |
| Diluted EPS | $0.70 | $0.22 | $1.03 | $0.30 |
| Operating Cash Flow (6M) | $381,573 (2026) vs $282,612 (2025) | |||
| Capital Expenditures (6M) | $688,425 (2026) vs $226,086 (2025) | |||
| Total Debt (Carrying Value) | $2,485,731 (as of June 30, 2026) | |||
| Cash & Short-term Investments | $2,512,162 (as of June 30, 2026) |
Material Changes vs. Prior Period
- Revenue Growth: Net sales increased 25.6% in Q2 2026 and 26.5% for the six months ended June 30, 2026, compared to the prior year. Growth was driven by all end markets, with Communications up 32% (Q2) and Automotive/Industrial up 35% (Q2).
- Margin Expansion: Gross margin improved significantly to 16.8% in Q2 2026 from 12.0% in Q2 2025, primarily due to higher factory utilization. Operating margin rose to 10.5% from 6.1%.
- Capital Spending Surge: Capital expenditures for the first six months of 2026 totaled $688.4 million, a 204% increase year-over-year, driven by investments in advanced packaging equipment and the Arizona Facility.
- Debt Issuance: In May 2026, the company issued $1.15 billion in 0.00% Convertible Senior Notes due 2031. Proceeds were used to fund capped call transactions and general corporate purposes, including capital expenditures.
- One-Time Items: Q2 2025 included a $32.4 million gain from a Nanium insolvency receipt, which is not present in the current period. Conversely, Q2 2026 included a ~$21 million gain on the disposal of fixed assets.
Guidance, Outlook, and Risks
- Capital Expenditure Outlook: Management expects 2026 capital expenditures to range between $2.5 billion and $3.0 billion, significantly higher than 2025, primarily due to the Arizona Facility construction.
- Government Incentives: The company has a Direct Funding Agreement with the U.S. Department of Commerce for up to $407 million under the CHIPS Act, contingent on meeting construction and production milestones. No funds have been received to date.
- Customer Advances: The company expects to receive approximately $300 million in customer advance payments over the next two years. In July 2026, $100 million was received, and a separate agreement anticipates ~$1.5 billion in 2027.
- Key Risks:
- Geopolitical & Trade: Exposure to U.S.-China trade tensions, export controls (BIS Regulations), and tariffs.
- Operational Disruption: In July 2026, operations at the Kumamoto, Japan facility were interrupted by earthquakes; the company is assessing the impact.
- Market Cyclicality: Dependence on the cyclical semiconductor industry and potential slowdowns in AI/HPC demand.
- Debt Covenants: Compliance with financial covenants regarding interest coverage and leverage ratios.
Investor Verification Checklist
- Arizona Facility Progress: Verify construction milestones and cost adherence for the new U.S. facility, which drives the majority of 2026 CapEx.
- CHIPS Act Funding: Monitor the status of the $407 million government award and the achievement of required milestones to ensure funding is not clawed back.
- Kumamoto Earthquake Impact: Assess the duration of the disruption at the Japan facility and any resulting supply chain delays or cost increases.
- Convertible Note Conversion: Track the stock price relative to the $106.37 conversion price of the 2031 Notes to evaluate potential dilution or cash settlement obligations.
- Customer Concentration: Review the top 10 customer list (72% of 2025 sales) for any shifts in demand or concentration risk.