Monolithic Power Systems Inc vs United Microelectronics Corp — how do they compare? Monolithic Power Systems Inc trades at $1,415 (market cap $67.87B), while United Microelectronics Corp trades at $19.31 (market cap $47.80B). The key difference: Monolithic Power Systems Inc is the larger of the two by market cap, and United Microelectronics Corp pays the higher dividend (2.13%). Which is the better fit depends on your goals.
| MPWR | UMC | |
|---|---|---|
Market Cap | $67.87B | $47.80B |
Sector | Utilities | Technology |
52-Week High | $1.69K | $28.02 |
52-Week Low | $820.74 | $6.58 |
Enterprise Value | $66.48B | $44.92B |
Dividend Yield | 0.58% | 2.13% |
Signals from Pluang's Aura AI — not financial advice
Monolithic Power Systems (MPWR) trades at $1,401.54, up 3.12% today, reflecting strong momentum after recent earnings beats. The stock exhibits a bullish technical trend, supported by robust fundamentals including 24.5% net income margin and 21.98% ROE. Recent Q2 2026 results showed EPS of $6.50, exceeding estimates, with revenue growth driven by AI infrastructure demand. Analyst sentiment remains overwhelmingly positive with 88% buy ratings.
The outlook for MPWR is favorable due to accelerating AI-driven revenue and expanding margins, though high valuation multiples (P/E 84.26) pose a risk if growth slows. Investor optimism is tempered by potential overvaluation and sensitivity to tech sector volatility. The consensus price target of $1,870 suggests upside, but execution risks and competitive pressures warrant caution.
UMC trades at $18.72, down 2.5% today, amid a bearish technical signal with key resistance at $19. The company reported strong Q2 2026 earnings, beating EPS estimates with $0.54 vs. $0.16 expected, and announced fab expansions in Singapore and Taiwan to meet AI-driven demand. Revenue growth is projected to rise to $250.7B in 2026, with a net income margin of 32.75%, though profit margins have declined from 2022 peaks. Analyst sentiment is mixed, with 26.7% buy ratings but a majority hold consensus.
The outlook for UMC is cautiously optimistic, driven by AI expansion and solid profitability, but risks include competitive pressures and margin compression. Near-term price action hinges on breaking resistance at $19, with support at $18. Institutional activity shows mixed positioning, reflecting uncertainty over execution amid capital expenditure increases.
Trailing returns across standard periods
Latest headlines on both assets
Monolithic Power Systems, Inc. is a global leader in high-performance, analog, and mixed-signal semiconductors. The company specializes in power management solutions, providing integrated circuits (ICs) for a wide range of applications, including computing, automotive, industrial, and communications. MPWR's proprietary process technology is designed to deliver highly energy-efficient and compact power solutions, positioning the company as a key supplier for the next generation of electronic devices.
Read more on MPWR →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.
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