Stocks / MPWR
MPWR stock forecast
MONOLITHIC POWER SYSTEMS INC · Technology · Semiconductors
The model's rating
Greatly Underperform
MPWR is rated Greatly Underperform as of September 29, 2026: its medium-term return forecast is in the bottom fifth of the stocks the model scores.
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MPWR is not among the 20 largest holdings published for 2026 Q4. See the portfolio
MPWR against the S&P 500
| Period | MPWR | S&P 500 (SPY) |
|---|---|---|
| 1 month | +6.4% | -0.3% |
| 3 months | +1.3% | +2.5% |
| Year to date | +49.3% | +12.7% |
| 1 year | +47.3% | +15.7% |
Total return, dividends included.
Key numbers
| Price | $1,347.22 |
| Market cap | 66.21 Billion |
| P/E (trailing 12 months) | 81.5 |
| P/S (trailing 12 months) | 20.2 |
| P/B (latest quarter) | 17.0 |
| Gross margin | 55.2% |
| Net profit margin | 24.6% |
| Return on equity | 21.9% |
| Beta | 2.5 |
As of August 5, 2026.
MPWR and its closest peers
| Stock | Company | Market cap | Model rating | |
|---|---|---|---|---|
| NXPI | NXP SEMICONDUCTORS NV | 59.9 Billion | Outperform | MPWR vs NXPI |
| MCHP | MICROCHIP TECHNOLOGY INC | 42.23 Billion | Underperform | MPWR vs MCHP |
| ON | ON SEMICONDUCTOR CORP | 29.93 Billion | Greatly Outperform | MPWR vs ON |
| SWKS | SKYWORKS SOLUTIONS INC | 12.86 Billion | Outperform | |
| ADI | ANALOG DEVICES INC | 192.23 Billion | Underperform | |
| QCOM | QUALCOMM INC | 193.24 Billion | Greatly Outperform |
Questions
What does the Upfront Investment model say about MPWR?
The model rates MONOLITHIC POWER SYSTEMS INC (MPWR) "Greatly Underperform" as of September 29, 2026, which means its medium-term return forecast is in the bottom fifth of the stocks the model scores. The rating is a statistical forecast, not a recommendation to buy or sell.
How is the MPWR rating produced?
A machine-learning model forecasts each stock's return over the coming months and ranks the forecasts against each other. The label says where this stock's forecast falls in that ranking. It is refreshed whenever the model's data updates, normally every trading day.
Is MPWR in the Upfront Investment model portfolio?
MPWR is not among the 20 largest holdings published for 2026 Q4.
The rating is the output of a statistical model and can be wrong. It is not investment advice and takes no account of your circumstances. Past performance does not guarantee future results.