Compare STMicroelectronics NV (STM) vs United Microelectronics Corp (UMC) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
STMicroelectronics NV vs United Microelectronics Corp — how do they compare? STMicroelectronics NV trades at $55.85 (market cap $49.21B), while United Microelectronics Corp trades at $19.45 (market cap $47.81B). The key difference: STMicroelectronics NV and United Microelectronics Corp are close in size by market cap, and United Microelectronics Corp pays the higher dividend (2.12%). Which is the better fit depends on your goals.
| STM | UMC | |
|---|---|---|
Market Cap | $49.21B | $47.81B |
Sector | Financials | Technology |
52-Week High | $79.91 | $28.02 |
52-Week Low | $21.20 | $6.58 |
Enterprise Value | $47.21B | $44.93B |
Dividend Yield | 0.65% | 2.12% |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
STM trades at $54.35, down 3.12% on the day, with a neutral technical signal and bearish moving averages. The company reported Q2 2026 EPS of $0.31, beating expectations, but faces declining revenue and net income margins. Analyst consensus is a Buy with a $74.63 price target, supported by strong AI data center growth prospects highlighted in recent earnings calls (Zacks Investment Research, 2026-07-24).
Outlook is mixed; growth catalysts in AI and automotive sectors offer upside potential, but high P/E of 107.92 and recent earnings misses pose valuation and execution risks. Cash flow improved in 2025, yet profitability remains pressured. The stock's near-term direction hinges on Q3 2026 results and demand trends in key markets.
UMC trades at $18.79, up 0.37% today, with a bearish technical signal. Recent earnings beats and strong July 2026 sales growth of 18.98% year-over-year highlight operational momentum. The company is expanding capacity in Singapore and Taiwan to meet AI-driven demand, supported by a robust balance sheet with $115.24 billion in cash. However, net income margin has declined from 32.1% in 2022 to 16.99% in 2025, posing a concern.
The outlook is mixed; expansion initiatives and AI tailwinds offer growth potential, but margin compression and a bearish technical stance present risks. Analyst consensus is cautious with 53.33% hold ratings. Key catalysts include Q3 2026 earnings and fab expansion progress, while competitive pressures and macroeconomic volatility remain headwinds.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
Top news
Latest headlines on both assets
Top news
Latest headlines on both assets
About STMicroelectronics NV
A merger between Italian firm SGS Microelettronica and the nonmilitary business of Thomson Semiconductors in France formed STMicroelectronics in 1987. STMicro is a leader in a variety of semiconductor products, including analog chips, discrete power semiconductors, microcontrollers, and sensors. STMicro is an especially prominent chip supplier into the industrial and automotive industries.
Read more on STM →About United Microelectronics Corp
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 →
