Monolithic Power Systems Inc vs Western Digital Corp — how do they compare? Monolithic Power Systems Inc trades at $1,415 (market cap $67.87B), while Western Digital Corp trades at $444.94 (market cap $151.09B). The key difference: Western Digital Corp is far larger — about 2.2× Monolithic Power Systems Inc's market cap, and Monolithic Power Systems Inc pays the higher dividend (0.58%). Which is the better fit depends on your goals.
| MPWR | WDC | |
|---|---|---|
Market Cap | $67.87B | $151.09B |
Sector | Utilities | Technology |
52-Week High | $1.69K | $746.23 |
52-Week Low | $820.74 | $74.66 |
Enterprise Value | $66.48B | $150.56B |
Dividend Yield | 0.58% | 0.14% |
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.
WDC trades at $434.3, down 3.81% over 24 hours, with a bearish technical signal as it hovers near the pivot point of $440. The company has shown strong earnings beats in recent quarters, with Q2 2026 EPS of $3.56 surpassing the $3.31 estimate, and maintains robust profitability margins, including a net income margin of 72.95% for 2025. Revenue for 2025 was $9.52B, with a significant turnaround to net income of $1.86B from prior losses, indicating operational recovery amid high cloud demand.
The outlook is mixed, with analyst consensus strongly bullish (72.13% buy ratings) and a price target of $665.15 suggesting substantial upside, but risks include high valuation multiples like a P/E of 17.89 and EV/EBITDA of 29.99, competitive pressures in HDD storage, and recent post-earnings sell-offs due to margin concerns. Investors should weigh the growth potential from AI-driven storage demand against cyclical and valuation headwinds.
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 →Western Digital is a vertically integrated supplier of data storage solutions, spanning both hard disk drives and solid-state drives. In the HDD market it forms a practical duopoly with Seagate, and it is the largest global producer of NAND flash chips for SSDs in a joint venture with competitor Kioxia.
Read more on WDC →