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 $65.14 (market cap $55.80B), while United Microelectronics Corp trades at $21.12 (market cap $51.00B). The key difference: STMicroelectronics NV and United Microelectronics Corp are close in size by market cap, and United Microelectronics Corp pays the higher dividend (2.03%). Which is the better fit depends on your goals.
| STM | UMC | |
|---|---|---|
Market Cap | $55.80B | $51.00B |
Sector | Financials | Technology |
52-Week High | $79.91 | $28.02 |
52-Week Low | $21.20 | $6.58 |
Enterprise Value | $54.01B | $48.57B |
Dividend Yield | 0.58% | 2.03% |
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 stock trades at $65.43, up 5.43% in the past 24 hours, with a bearish technical signal and mixed earnings history. The company shows declining revenue and net income margins but maintains positive cash flow from operations. Recent news highlights AI partnerships and automotive chip demand as potential growth drivers.
Outlook remains cautious due to elevated P/E ratio of 386.13 and recent earnings misses, though analyst consensus is bullish with a $72.33 price target. Key risks include semiconductor cycle volatility and execution challenges in maintaining profitability amid revenue pressures.
UMC trades at $21.19, down 0.28% on the day, with a bullish technical signal from oscillators but bearish moving averages. The company reported Q1 2026 EPS of $0.20, beating expectations, and maintains a net income margin of 20.25%. Recent news highlights mass production of silicon photonics ICs and strong June 2026 sales growth of 22.85% year-over-year.
Outlook is supported by earnings beats and specialty technology demand, but risks include valuation above sector peers and competitive pressures. Analysts are mixed with 26.67% buy ratings, suggesting cautious optimism amid solid execution.
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 →
