
Monolithic Power Systems, Inc.

MPWR (Monolithic Power Systems, Inc.) trades at 14.5x EV/Revenue — moderately valued for a power management company with strong gross margins (55%) and healthy growth (+21% YoY). The business is profitable at 29% EBIT margins. Forward PE of 50x.
Companies that consistently beat earnings estimates by 5%+ outperform the market by 3.2% annually on average.
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Monolithic Power Systems designs and manufactures high-performance analog and mixed-signal semiconductors that manage power in electronic devices. They serve customers across data centers, automotive, communications, and consumer electronics markets, providing power management solutions that improve energy efficiency and reduce system complexity. The company makes money by selling both discrete power chips and increasingly integrated power modules that command higher prices.
MPWR delivered 26% revenue growth in 2025 to $2.8B, marking their 14th consecutive year of growth. The company is riding the AI infrastructure wave while building a diversified portfolio, with management projecting 21% revenue growth in 2026 driven by surging enterprise data demand and continued strength across automotive and communications markets.
The company maintains healthy 55% gross margins with management expecting sequential 10-20 basis point improvements each quarter as extended backlogs provide pricing power. MPWR generates strong free cash flow, returning over 72% to shareholders over the past three years while investing in manufacturing capacity expansion and higher-value product development.
MPWR has established itself as a critical AI power supplier, with management claiming they "won all the designs" in key data center applications. The company differentiates through its shift from discrete semiconductors to integrated power modules and systems, allowing them to capture higher ASPs while competitors remain focused on commodity chip sales.
Q4 2025 showed solid execution with revenue beating estimates by 1.2% and EPS beating by $0.05, capping a strong full year. The key catalyst was management's dramatic increase in 2026 enterprise data guidance to minimum 50% growth, signaling accelerating AI infrastructure demand with book-to-bill ratios well above 1.0 and extended backlogs into Q2 2026.
Analysts are focused on the sustainability of enterprise data growth beyond 2026 and the company's ability to maintain momentum across diversified end markets. The consistent earnings beats (four straight quarters) and upgraded guidance have generated positive sentiment, though questions remain about competitive positioning and cyclical exposure in a volatile semiconductor environment.
MPWR is a diversified power semiconductor winner riding the AI infrastructure boom while building sustainable growth across multiple end markets, with strong margins and cash generation supporting both growth investments and shareholder returns.
| '25E | '26E | '27E | '28E | |
|---|---|---|---|---|
| Revenue | $2.8B | $3.4B | $4.0B | $4.7B |
| Growth | — | +21% | +17% | +18% |
| EBITDA | — | $1.2B | $1.5B | $1.7B |
| Growth | — | +18% | +15% | |
| FCF | $666M | $840M | $1.0B | $1.2B |
| Margin | 24% | 25% |
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Monolithic Power Systems, Inc. (MPWR) Q4 2025 Earnings Call Transcript
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| 26% |
| 26% |
| EPS (PF) | $12.75 | $21.50 | $25.76 | $30.86 |
| Growth | — | +69% | +20% | +20% |
| PF Op Inc | — | $1.4B | $1.7B | $2.0B |