Stock Analysis · Amkor Technology Inc (AMKR)
Overview
Amkor Technology is a semiconductor packaging and test company. In simple terms, it helps turn silicon chips made by foundries into finished components that can be installed in phones, cars, data centers, industrial systems, and many other electronic products. Its services sit near the end of the semiconductor manufacturing chain: after a chip is fabricated, Amkor packages it to protect it, connect it to the outside world, and improve performance, then tests it before shipment to the customer.
The company works with many of the world’s major chip designers and manufacturers. Its role has become more important as advanced chips require more complex packaging, including solutions that improve power efficiency, speed, size, and heat management. Amkor operates globally, with a manufacturing footprint concentrated in Asia and customers spread across consumer electronics, communications, automotive, and computing markets.
Based on the company’s recent annual disclosures, revenue is mainly generated from semiconductor packaging and test services, with the business also split by end market. The most useful way to understand the company is through those end markets, because demand depends heavily on what kinds of electronics customers are building.
- Communications and consumer devices: approximately 55% to 60% of revenue in recent years. This includes smartphone-related chips, connectivity components, radio-frequency devices, and other electronics used in mobile and consumer products.
- Computing: approximately 15% to 20% of revenue. This covers chips used in PCs, data center equipment, networking, and related infrastructure.
- Automotive and industrial: approximately 20% to 25% of revenue, and this has been an important area of growth. It includes chips used in vehicles, power systems, factory equipment, and industrial electronics.
- Other markets: a smaller remainder, generally below 10%, depending on customer mix and product cycles.
Service mix is less fully broken out in simple percentage form, but advanced packaging is strategically important and typically earns more attention than traditional wirebond packaging because it is tied to higher-performance chips. Testing is also a core part of the offer, but it is usually bundled with packaging relationships rather than discussed as a stand-alone growth engine.
One notable pattern in the business over the last several years is that revenue has stayed within a fairly narrow band after the 2022 peak, while profitability fell sharply in 2023 and then stabilized before improving again more recently. That suggests Amkor is not just a volume business: margins can change meaningfully depending on utilization, customer mix, and how much demand shifts toward more advanced packaging.
The cost structure is heavy, with cost of revenue consistently absorbing most sales, which is typical for a capital-intensive manufacturing business. Even so, operating income has remained positive through the cycle, showing that the company has kept discipline during a softer period.
Key Figures
| Metric | Value | Sector ⓘ |
|---|---|---|
| Date | Oct 31, 2026 | |
| Context | ||
| Sector | Technology | |
| Industry | Semiconductor Equipment & Materials | |
| Market Cap ⓘ | $10.21B | |
| Beta ⓘ | 2.22 | |
Value (Cheapness) | ||
| P/E Ratio ⓘ | 16.62 | 29.73 |
| FCF Yield ⓘ | 5.21% | 3.96% |
| Dividend Yield ⓘ | 0.79% | 1.30% |
| EBIT / EV ⓘ | 7.34% | 2.90% |
| PEG ⓘ | 0.76 | |
Growth (Business expansion) | ||
| Revenue Growth ⓘ | 0.20% | 15.80% |
| RPS Growth (5Y CAGR) ⓘ | 1.97% | 8.54% |
| EPS Growth (5Y CAGR) ⓘ | -13.70% | -10.19% |
| Margin Growth (5Y Trend) ⓘ | -4.74% | 0.45% |
| FCF Growth (5Y CAGR) ⓘ | -13.52% | 9.80% |
| DPS Growth (5Y CAGR) ⓘ | 12.17% | 7.67% |
Quality (Business durability) | ||
| ROIC (Latest) ⓘ | 10.46% | 9.74% |
| ROIC (5Y Median) ⓘ | 7.84% | 8.31% |
| Net Debt / EBIT (Latest) ⓘ | 1.26 | 0.53 |
| Net Debt / EBIT (5Y Median) ⓘ | 0.70 | 0.46 |
| Net Debt / EBITDA (Latest) ⓘ | 0.67 | 0.29 |
| Net Debt / Assets ⓘ | 9.87% | 3.45% |
| EBITDA / Interest ⓘ | 20.32 | 13.54 |
| Operating Margin (Latest) ⓘ | 10.51% | 10.12% |
| Operating Margin (5Y Median) ⓘ | 7.85% | 8.50% |
| Debt to Equity (Latest) ⓘ | 54.06% | 35.18% |
| Profit Margin (Latest) ⓘ | 8.30% | 7.13% |
| Free Cash Flow (Latest) ⓘ | $532.36M | |
Momentum (Price trend) | ||
| 3Y Return ⓘ | +111.36% | +61.79% |
| 12M Return (excl. last month) ⓘ | +91.15% | +12.78% |
| 6M Return ⓘ | -41.46% | +7.85% |
| Price vs. 200-Day MA ⓘ | -27.93% | +5.43% |
Amkor is a mid-sized semiconductor services company with a stock that has been much more volatile than the broader market, as reflected by a beta above 2. The factor summary points to a business that currently looks stronger on valuation than on growth. Earnings and cash flow multiples are below the sector median, while revenue growth and multi-year cash flow trends trail many technology peers. Profitability is not weak in absolute terms, but leverage has moved above typical sector levels, which matters in a cyclical industry.
The stock history also shows how quickly sentiment can change. Shares rose sharply into 2026 and then pulled back, which fits the pattern of a semiconductor name tied to cyclical demand, AI-related optimism, and changing expectations for utilization and margins.
Growth
Amkor operates in a part of the semiconductor market with durable long-term relevance. As chips become more powerful and more specialized, packaging is no longer a low-profile finishing step. It is increasingly part of the performance equation. That matters for areas such as AI accelerators, high-performance computing, advanced smartphones, and electric vehicles, all of which require better thermal performance, denser interconnects, and more complex package designs.
The company’s strategy broadly makes sense for that environment. Amkor has been investing in advanced packaging, automotive capabilities, and geographic expansion, including projects intended to support customers looking for a more resilient supply chain. It is not trying to outspend the largest foundries; instead, it is positioning itself as an outsourced specialist that can serve chip companies needing sophisticated assembly and test capacity without building everything internally.
Recent growth has been uneven rather than consistently strong. After a difficult period in 2023 and mixed results in 2024 and 2025, year-over-year revenue growth accelerated materially in early 2026 before cooling again later. That pattern suggests demand recovery is real but not yet fully steady. For long-term readers, the key point is that Amkor’s business can rebound quickly when semiconductor volumes and package complexity improve, but quarter-to-quarter trends can remain noisy.
Cash generation has also been lumpy. Free cash flow has stayed positive, but it has moved around significantly, which is common when a company is balancing customer demand, plant utilization, and capital spending. Positive free cash flow is still a useful anchor because it shows the business is capable of producing cash even outside peak conditions.
A major catalyst is the broader shift toward advanced packaging in AI and high-performance computing. Another is automotive electronics, where chip content per vehicle keeps rising. Amkor has also highlighted strategic projects tied to regional manufacturing expansion, including U.S.-based packaging initiatives that could strengthen its position with customers looking to localize parts of the supply chain. If those programs scale well, they could improve the company’s relevance beyond its traditional smartphone-heavy exposure.
Recent company communications have also emphasized demand tied to advanced packaging programs and customer interest in diversified manufacturing locations. Those developments do not remove cyclicality, but they do support the idea that Amkor’s services are becoming more strategically important, not less.
Risks
This article is for informational purposes only and does not constitute financial advice. Some content is AI-generated. See Disclaimer
