MPWR Stock Analysis — Monolithic Power Systems
Sector: Semiconductors
AI Verdict
You're paying up at 63.4x next year's earnings for a narrative of explosive growth and sticky customer relationships—credible if design wins keep coming, but fragile if the pace slips.
Competitive Moat
MPWR designs proprietary power management chips used in everything from data centers to electric vehicles, with a reputation for high integration and efficiency. Their defensibility comes from deep analog engineering expertise and sticky customer relationships in mission-critical applications, making design wins hard to displace.
Summary
MPWR's stock has more than doubled in a year, driven by expectations for a 74.7% jump in earnings and a forward P/E of 63.4x.
Where It Stands
With a 1-year return of 116.66%, an RSI at 53.8 (neutral), and trading at 63.4x forward earnings versus the semiconductor median of 25x, the stock is priced for exceptional growth.
Key Metrics
- RSI: 53.8 — Neutral
- Trailing P/E: 110.8x
- Forward P/E: 63.4x
- PEG Ratio: 1.48
- Earnings Growth: +0.7%
- Revenue Growth: +0.2%
- Market Cap: $76.2B
- Dividend Yield: 0.01%
- 1-Year Return: 116.66%
- 52-Week High: $1675.42
- 52-Week Low: $643.36
Analyst Consensus
22 Buy · 3 Hold · 0 Sell (25 analysts)
Bull Case
Analysts expect 74.7% EPS growth next year, which makes the 63.4x forward P/E more palatable if MPWR's design wins keep compounding.
Bear Case
If the forward P/E compresses to the sector median of 25x, the stock could lose over 60% from current valuation levels.
Catalyst to Watch
Quarterly earnings and new design win announcements—if growth falls short of the 74.7% EPS target, the premium could evaporate fast.