Arm Holdings plc vs Monolithic Power Systems Inc — how do they compare? Arm Holdings plc trades at $273.4 (market cap $287.22B), while Monolithic Power Systems Inc trades at $1,425 (market cap $68.90B). The key difference: Arm Holdings plc is far larger — about 4.2× Monolithic Power Systems Inc's market cap, and Monolithic Power Systems Inc pays a 0.57% dividend while Arm Holdings plc pays none. Which is the better fit depends on your goals.
| ARM | MPWR | |
|---|---|---|
Market Cap | $287.22B | $68.90B |
Sector | Technology | Utilities |
52-Week High | $439.46 | $1.69K |
52-Week Low | $104.55 | $820.74 |
Enterprise Value | $283.79B | $67.51B |
Dividend Yield | — | 0.57% |
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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.
Trailing returns across standard periods
Latest headlines on both assets
Arm Holdings designs the architecture for high-performance, energy-efficient processors used in nearly all smartphones and millions of other devices. Its intellectual property powers global computing from mobile to AI.
Read more on ARM →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 →