ASE Technology Holding Co Ltd vs United Microelectronics Corp — how do they compare? ASE Technology Holding Co Ltd trades at $39.2 (market cap $85.75B), while United Microelectronics Corp trades at $19.3 (market cap $47.81B). The key difference: ASE Technology Holding Co Ltd is the larger of the two by market cap, and United Microelectronics Corp pays the higher dividend (2.12%). Which is the better fit depends on your goals.
| ASX | UMC | |
|---|---|---|
Market Cap | $85.75B | $47.81B |
Sector | Technology | Technology |
52-Week High | $45.12 | $28.02 |
52-Week Low | $9.63 | $6.58 |
Enterprise Value | $90.15B | $44.93B |
Dividend Yield | 1.08% | 2.12% |
Signals from Pluang's Aura AI — not financial advice
ASE Technology Holding (ASX) trades at $39.56, up 5.23% today, showing strong momentum with three consecutive earnings beats. The stock maintains bullish technical signals with support at $38 and resistance at $40. Recent Q2 2026 results demonstrated robust growth in AI-driven semiconductor packaging demand, with the company increasing 2026 capital expenditure to $10.5 billion to expand capacity.
Outlook remains positive with 80% analyst buy ratings and projected revenue growth to $711.2 billion in 2026. Key risks include high valuation multiples (P/E 47.78) and significant capital investment requirements. The AI semiconductor boom provides substantial growth opportunity, though execution on expansion plans will be critical for sustained performance.
UMC trades at $19.50, up 3.78% today, with neutral technical signals and strong fundamental performance. The company has consistently beaten earnings estimates in recent quarters, with Q2 2026 EPS of $0.54 significantly exceeding the $0.16 expectation. Recent announcements include fab expansions in Singapore and Taiwan to meet AI-driven demand, supported by growing silicon photonics production. Valuation metrics show a P/E of 18.55 and P/S of 6.02, with robust profitability margins including 32.75% net income margin.
Outlook remains positive with projected revenue growth to $250.7B in 2026 and net income rebound to $82.1B. Key risks include semiconductor cycle volatility and execution challenges from capacity expansion. Analyst consensus shows mixed sentiment with 26.7% buy ratings versus 20% sell recommendations, suggesting cautious optimism amid expansion initiatives.
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Latest headlines on both assets
ASE Technology Holding Co Ltd is a semiconductor assembly and testing firm. The company operates in segments: Packaging, Testing, and Electronic Manufacturing Services. Of these, packaging services contribute the most revenue. It involves packaging bare semiconductors into completed semiconductors with improved electrical and thermal characteristics. The Testing Segment includes front-end engineering testing, wafer probing, and final testing services. In the EMS segment, the company designs manufacture and sells electronic components and telecommunication equipment motherboards. The company is based in Taiwan but garners over half its sales from firms in the United States.
Read more on ASX →Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with 7% market share in 2021, according to Gartner, after TSMC and GlobalFoundries. UMC's headquarters are in Hsinchu, Taiwan, and it operates 12 fabs in Taiwan, Mainland China, Japan and Singapore, with additional sales offices in Europe, the U.S. and South Korea. UMC features a diverse customer base including Texas Instruments, MediaTek, Qualcomm, Broadcom, Xilinx and Realtek, supplying a wide range of products applied in communications, display, memory, automotive and more. UMC employs about 20,000 people.
Read more on UMC →