Monolithic Power Systems Inc vs Western Digital Corp — how do they compare? Monolithic Power Systems Inc trades at $1,199.99 (market cap $59.88B), while Western Digital Corp trades at $481.5 (market cap $172.09B). The key difference: Western Digital Corp is far larger — about 2.9× Monolithic Power Systems Inc's market cap, and Monolithic Power Systems Inc pays the higher dividend (0.66%). Which is the better fit depends on your goals.
| MPWR | WDC | |
|---|---|---|
Market Cap | $59.88B | $172.09B |
Sector | Utilities | Technology |
52-Week High | $1.69K | $746.23 |
52-Week Low | $834.14 | $95.03 |
Enterprise Value | $58.49B | $171.56B |
Dividend Yield | 0.66% | 0.13% |
Signals from Pluang's Aura AI — not financial advice
MPWR trades at $1,218.50, down 0.44% on the day, with technical indicators showing bearish momentum despite recent earnings beats. The company reported strong Q2 2026 results with EPS of $6.50 beating expectations of $5.87, driven by AI infrastructure demand. Valuation remains elevated with a P/E of 74.34 and P/S of 18.21, while profitability metrics show robust net income margin of 24.5% and ROE of 21.98%.
The stock faces near-term technical pressure but maintains strong fundamental growth prospects from AI and server demand. Analyst consensus remains overwhelmingly bullish with 88% buy ratings and a $1,860 price target representing 53% upside. Key risks include premium valuation concerns and potential double-ordering in enterprise data segments.
Western Digital (WDC) trades at $477.30, up 2.1% today, reflecting strong momentum amid AI-driven storage demand. The stock shows bullish technical signals, with recent earnings beats and a consensus analyst price target of $676.70 suggesting 42% upside. Fundamentals are robust, with a net income margin of 71.97% in 2025 and positive cash flow trends, though revenue declined to $9.52B from prior years.
Outlook remains positive due to AI data growth catalysts and shareholder returns, but risks include competitive pressures and volatility from high expectations. The stock's valuation multiples like P/E of 17.73 appear reasonable given growth prospects, supporting a bullish bias with caution on execution risks.
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 →