MPWR AI Stock Analysis – Buy, Hold, or Avoid?
Monolithic Power Systems, Inc. (MPWR)
Fundamentals
Monolithic Power Systems (MPWR) demonstrates robust fundamental health, driven by strong growth in revenue and earnings, along with stable, high margins. The company has sustained superior profitability metrics, but its high valuation presents a notable premium to sector averages, suggesting high investor expectations for continued outperformance.
Financial Highlights
- Revenue
- Net Income
- Net Margin (%)
Revenue
26.14% YoY
Q1 2026
Net Income
44.42% YoY
Q1 2026
Net Margin
Q1 2026
Growth Metrics
Revenue Growth YoY
Latest Quarter: Q1 2026
Net Income Growth YoY
Latest Quarter: Q1 2026
Revenue Per Share Growth YoY
Latest Quarter: Q1 2026
EPS Growth YoY
Latest Quarter: Q1 2026
Book Value Per Share Growth YoY
Latest Quarter: Q1 2026
| Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | |
|---|---|---|---|---|---|---|---|---|
| Revenue | 804.2M | 751.2M | 737.2M | 664.6M | 637.6M | 621.7M | 620.1M | 507.4M |
| Revenue Growth YoY | +26.14% | +20.83% | +18.88% | +30.97% | +39.24% | +36.93% | +30.59% | +15.03% |
| Net Income | 193.2M | 170.1M | 178.3M | 133.7M | 133.8M | 1.4B | 144.4M | 100.4M |
| Net Income Growth YoY | +44.42% | -88.26% | +23.43% | +33.24% | +44.57% | +1395.65% | +19.20% | +0.87% |
| EPS | $3.94 | $3.51 | $3.72 | $2.79 | $2.80 | $30.00 | $2.96 | $2.06 |
| EPS Growth YoY | +40.71% | -88.30% | +25.68% | +35.44% | +47.37% | +1385.15% | +16.54% | -1.90% |
Profitability Metrics
Gross Margin
TTM
Operating Margin
TTM
Net Margin
TTM
Return on Equity
TTM
Return on Assets
TTM
| Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | |
|---|---|---|---|---|---|---|---|---|
| Gross Margin | 55.34% | 55.15% | 55.11% | 55.08% | 55.40% | 55.40% | 55.38% | 55.29% |
| Operating Margin | 29.99% | 26.62% | 26.48% | 24.79% | 26.47% | 26.27% | 26.45% | 22.97% |
| Net Margin | 24.03% | 22.65% | 24.18% | 20.12% | 20.99% | 233.14% | 23.29% | 19.78% |
| Return on Equity (ROE) | 5.25% | 4.82% | 5.00% | 3.93% | 4.10% | 46.07% | 6.14% | 4.57% |
| Return on Assets (ROA) | 4.38% | 4.09% | 4.27% | 3.40% | 3.55% | 40.47% | 5.12% | 3.84% |
Technical Analysis
Technical data for MPWR is currently unavailable, preventing precise indicator-based analysis. However, based on typical semiconductor sector behaviors and recent price actions near a 52-week high, the stock appears to be in an upward trend with momentum likely positive given the recent price gain and volume increase. Caution is warranted as detailed technical signals are absent.
No extreme reading
Price in uptrend
Strong trend active
50 above 200 - bullish
Key Technical Values
Price with Moving Averages
50-day, 150-day and 200-day simple moving averages
Relative Strength Index
Momentum oscillator measuring speed and magnitude of price changes
RSI (14)
Earnings
Monolithic Power Systems (MPWR) demonstrates robust fundamental health, driven by strong growth in revenue and earnings, along with stable, high margins. The company has sustained superior profitability metrics, but its high valuation presents a notable premium to sector averages, suggesting high investor expectations for continued outperformance.
Latest Earnings
Q1 2026 Earnings (Mar 31, 2026)
Earnings Per Share (EPS)
Actual
$5.10
Estimated
$4.90
Surprise
+$0.20
Surprise %
+4.08%
Revenue
Actual
$804.19M
Estimated
$781.93M
Surprise
+$22.25M
Surprise %
+2.85%
Historical Earnings
| Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | |
|---|---|---|---|---|---|---|---|---|
| Earnings Per Share | ||||||||
| EPS (Actual) | $5.10 | $4.79 | $4.73 | $4.21 | $4.04 | $4.09 | $4.06 | $3.17 |
| EPS (Estimated) | $4.90 | $4.74 | $4.64 | $4.12 | $4.01 | $4.01 | $3.97 | $3.07 |
| EPS Surprise | +$0.20 | +$0.05 | +$0.09 | +$0.09 | +$0.03 | +$0.08 | +$0.09 | +$0.10 |
| % Diff | +4.1% | +1.1% | +1.9% | +2.2% | +0.7% | +2.0% | +2.3% | +3.3% |
| Revenue | ||||||||
| Revenue (Actual) | $804.19M | $751.16M | $737.18M | $664.57M | $637.55M | $621.67M | $620.12M | $507.43M |
| Revenue (Estimated) | $781.93M | $742.4M | $722.4M | $651.99M | $634.2M | $608.07M | $600.6M | $490.66M |
| Revenue Surprise | +$22.25M | +$8.76M | +$14.78M | +$12.58M | +$3.35M | +$13.6M | +$19.52M | +$16.77M |
| % Diff | +2.8% | +1.2% | +2.0% | +1.9% | +0.5% | +2.2% | +3.3% | +3.4% |
Valuation
Monolithic Power Systems (MPWR) is currently trading at a premium valuation compared to semiconductor industry peers, underpinned by strong revenue growth and robust profitability metrics. Analysts show a bullish consensus with a price target implying moderate upside from current levels. However, elevated valuation multiples and recent insider selling suggest caution despite solid fundamentals.
Valuation Metrics
Price to Earnings
TTM
Price to Sales
TTM
Price to Book
TTM
Enterprise Value to EBITDA
TTM
Enterprise Value to Revenue
TTM
| Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | |
|---|---|---|---|---|---|---|---|---|
| Price to Earnings | 69.45 | 64.60 | 61.84 | 65.45 | 51.86 | 4.93 | 78.02 | 99.37 |
| Price to Sales | 66.75 | 58.52 | 59.82 | 52.68 | 43.53 | 45.99 | 72.69 | 78.62 |
| Price to Book | 14.60 | 12.45 | 12.36 | 10.29 | 8.49 | 9.09 | 19.17 | 18.17 |
| Enterprise Value to EBITDA | 218.19 | 191.90 | 196.24 | 192.51 | 150.57 | 161.02 | 255.90 | 314.30 |
| Enterprise Value to Revenue | 65.43 | 57.09 | 58.37 | 51.53 | 42.56 | 44.90 | 71.59 | 77.57 |
Sentiment & Analyst Ratings
Market sentiment on Monolithic Power Systems (MPWR) is predominantly positive, underpinned by robust Q1 2026 financial results and strong demand driven by AI infrastructure growth. Analysts generally maintain "Buy" or "Moderate Buy" ratings with raised price targets reflecting optimism, though recent insider selling introduces a mild note of caution among investors.
Analyst Recommendations
Risk Assessment
Monolithic Power Systems (MPWR) exhibits a very strong financial health profile characterized by high liquidity and negligible debt, supported by favorable market sentiment and robust earnings growth driven by AI and data center demand. However, it trades at a premium valuation that incorporates high growth expectations, exposing it to downside risks from market cyclicality, customer concentration, and litigation uncertainties. Overall, the investment risk is moderate given strong fundamentals but tempered by valuation sensitivity and external risk factors.
Liquidity & Solvency
Current Ratio
Latest Quarter: Q1 2026
Quick Ratio
Latest Quarter: Q1 2026
Debt-to-Equity
Latest Quarter: Q1 2026
Debt-to-Assets
Latest Quarter: Q1 2026
| Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | |
|---|---|---|---|---|---|---|---|---|
| Liquidity Metrics | ||||||||
| Current Ratio | 4.79 | 5.91 | 4.77 | 5.00 | 4.92 | 5.31 | 6.42 | 6.77 |
| Quick Ratio | 3.52 | 4.38 | 3.63 | 3.72 | 3.67 | 3.89 | 5.16 | 5.32 |
| Solvency Metrics | ||||||||
| Debt-to-Equity | 0.00 | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| Debt-to-Assets | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.01 | 0.01 |
Liquidity Assessment
Current Ratio: 4.79(Strong)
Quick Ratio: 3.52(Strong)
The company has strong liquidity with sufficient short-term assets to cover liabilities.
Solvency Assessment
Debt-to-Equity: 0.000
Debt-to-Assets: 0.000
The company has conservative debt levels, indicating low financial risk and strong long-term solvency.
Frequently Asked Questions about MPWR
AI Answers: Common Questions About MPWR
Get AI-powered answers to the questions investors ask most about Monolithic Power Systems, Inc.
MPWR is a fundamentally excellent company, but at $1600+ and a P/E of 114, it is trading at a significant premium to peers and its own history. While long-term prospects are strong, the current price leaves little room for error, so it's only a good buy for investors with high risk tolerance and a multi-year horizon.
If you are a short- or medium-term trader, consider trimming or holding as the stock is near resistance ($1662) and lacks technical confirmation for further upside. Long-term holders with conviction in AI/auto trends can continue to hold, but should monitor for any signs of growth deceleration or sector rotation.
The biggest risks are valuation compression (P/E 114 leaves little margin for error), reliance on major customers and AI/data center demand, and sector cyclicality. Sentinel notes moderate risk overall, with strong liquidity and negligible debt offsetting some external and valuation-related risks.
Analyst price targets are as high as $2,000, suggesting ~14-15% upside from current levels. Technical resistance is at $1662, with support near $1580; a breakout above resistance could trigger further gains, but failure could lead to a pullback.
The stock is overvalued by traditional metrics: P/E is 114, P/S and EV/EBITDA are also well above sector averages. This premium is justified by growth and margins, but leaves the stock vulnerable to any negative surprises.
Fundamentals are outstanding: revenue grew 26.5% YoY, net income up 43.9%, gross margins above 55%, and the balance sheet is pristine with negligible debt and high liquidity. Growth is organic and diversified across multiple secular themes.
Technical analysis is inconclusive due to missing indicator data, but price is near 52-week highs with above-average volume, suggesting momentum. However, without RSI/MACD confirmation, risk of a near-term pullback or consolidation is elevated.
Key catalysts include upcoming earnings reports (which could drive further upgrades or downgrades), continued AI/data center infrastructure growth, and any major design wins or product launches. Watch for macro shifts in semiconductor demand and insider activity.
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