ACM Research Inc vs United Microelectronics Corp — how do they compare? ACM Research Inc trades at $82.36 (market cap $5.57B), while United Microelectronics Corp trades at $19.49 (market cap $47.81B). The key difference: United Microelectronics Corp is far larger — about 8.6× ACM Research Inc's market cap, and United Microelectronics Corp pays a 2.12% dividend while ACM Research Inc pays none. Which is the better fit depends on your goals.
| ACMR | UMC | |
|---|---|---|
Market Cap | $5.57B | $47.81B |
Sector | Technology | Technology |
52-Week High | $126.89 | $28.02 |
52-Week Low | $24.93 | $6.58 |
Enterprise Value | $4.48B | $44.93B |
Dividend Yield | — | 2.12% |
Signals from Pluang's Aura AI — not financial advice
ACMR trades at $82.42, up 3.79% today, with a neutral technical signal and bearish moving averages. Recent Q2 2026 earnings of $0.61 per share beat estimates, and revenue guidance was raised following strong order growth. The company shows robust profitability with a 14.48% net income margin and 10.56% ROE, though valuation ratios like a P/E of 37.7 appear elevated. Analyst sentiment is strongly bullish with an 80% buy rating and a $127.50 consensus price target.
The outlook is positive given earnings beats and raised guidance, but high valuation and cash flow challenges from negative operating cash flow pose risks. Upside potential exists if growth continues, yet investors face volatility from market conditions and execution risks in the competitive semiconductor equipment sector.
UMC trades at $19.40, up 3.25% with a neutral technical signal. The company reported strong Q2 2026 earnings, beating estimates with $0.54 EPS, and announced fab expansions in Singapore and Taiwan to meet AI demand. Revenue growth is projected to rise to $250.7 billion in 2026, with net income margin improving to 32.75%. Cash flow turned positive in 2025 at $5.66 billion, supporting strategic investments.
Outlook is positive due to AI-driven demand and operational execution, but risks include competitive pressures and capital expenditure volatility. Analysts show mixed sentiment with 26.7% buy ratings, highlighting cautious optimism amid expansion plans.
Trailing returns across standard periods
ACM Research develops and manufactures semiconductor process equipment, specializing in wafer cleaning and electroplating solutions. Its tools are used by global chipmakers to improve productivity and yield for logic and memory chips.
Read more on ACMR →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 →