Monolithic Power Systems Inc (MPWR) fair value: what the stock is really worth
As of Nov 5, 2026: fair value (intrinsic value) of Monolithic Power Systems Inc stock $707, price $1,131, that is 37.5% below the price, quality 73 out of 100. Rating: strongly overvalued. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.
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Monolithic Power Systems Inc
MPWR · USOur calculation puts a fair price 38% below what the stock costs today.
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Price vs Fair Value
White line = price, green steps = our fair value per fiscal year. As of Nov 6, 2026.
How to read this chart
60‑month range $300.03 – $1,685 · fair‑value band $442.44 – $1,101 · the $1,131 price screens above the $706.92 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). As of Nov 6, 2026.
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Company profile
Monolithic Power Systems, Inc. provides semiconductor-based power electronics solutions in China, Taiwan, South Korea, Southeast Asia, Europe, the United States, Japan, and internationally.
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The company offers direct current (DC) to DC solutions to convert and control voltages within a range of electronic systems, such as cloud-based and on-premises CPU servers and workstations, AI systems, memory, storage solutions, notebooks, infotainment, power sources, home appliances, network infrastructure, and satellite communications.
It also provides alternating current (AC) to DC; driver metal-oxide-semiconductor field-effect transistors; power management integrated circuits (ICs); and current limit switch and lighting control products.
The company serves storage and computing, enterprise data, automotive, communications, consumer, and industrial end markets through third-party distributors and value-added resellers. Monolithic Power Systems, Inc. was incorporated in 1997 and is based in West Palm Beach, Florida.
Stock analysis
Monolithic Power Systems Inc (MPWR) currently trades at $1,131, while our model-based Fair Value estimate is $706.92, 38% below the price, so the stock looks overvalued today.
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Valuation
Bull case: the Growth Earnings group reads highest at a median of $428.45 per share, and 0 of the 26 models we run sit above the $1,131 price.
Bear case: the Dividend Discount group reads lowest at $76.21, and 26 of the 26 models stay below the price. Data coverage for this calculation is high.
Scenario range: $442.44 (bear) to $1,101 (bull), the price of $1,131 sits above it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.
Quality & growth
The Quality Score stands at 73/100 (solid quality), in the Technology sector.
Healthy Growth: Revenue growth appears healthy and is supported by profitability and cash-flow quality.
Monolithic Power Systems Inc reported revenue of $2.8B in FY2025 versus $1.2B in FY2021, a compound +23.3%/yr. Reported net income was $616M in FY2025, compounding +26.3%/yr from FY2021.
Key figures
Market cap $55.7B Large · P/E ratio 62.0 · P/S ratio 14.9 · EPS (TTM) $18.24 · Dividend yield 0.7% · Net margin 23.9% · Return on equity 24.5% · Return on assets (EBIT) 18.8%.
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 89 out of 100 (low confidence).
What moves the price
The share trades about 33% below its 52-week high and 33% above its 52-week low, currently below its 200-day average.
For context, the median of 10 Technology peers we cover trades at 0% fair-value upside, at −38%, MPWR screens richer than that median.
Fair Value models
All 26 models by family
Quality Score breakdown
It rates the business: profits, how they develop, real cash, balance sheet, investing and share count.
Insider trades
In the last 6 months, 6 officers or directors sold shares worth $160.7M and none bought.
- SaleMichael HsingCEO, Director8× since Nov 11, 2025: 301,923 shares, avg. $1,175$354.8MSep 28, 2026
- SaleRobert W Dean IIInterim CFO5× since May 18, 2026: 169 shares, avg. $1,383$233,701Aug 24, 2026
- SaleKuo Wei Herbert ChangDirector4× since Nov 21, 2025: 300 shares, avg. $1,041$312,173Aug 24, 2026
- SaleMaurice SciammasEVP, WW Sales & Marketing14× since Nov 19, 2025: 89,611 shares, avg. $1,129$101.2MAug 3, 2026
- SaleSaria TsengEVP & General Counsel9× since Nov 25, 2025: 119,113 shares, avg. $1,111$132.3MMay 27, 2026
- SaleJeff ZhouDirector2× since May 5, 2026: 2,000 shares, avg. $1,625$3.3MMay 26, 2026
- SaleEileen WynneDirector335 shares at $1,583$530,198May 6, 2026
- SaleDeming XiaoEVP, Global Operations2× since Feb 6, 2026: 52,875 shares, avg. $1,445$76.4MMay 6, 2026
- SaleEugen J ElmigerDirector12,000 shares at $1,585$19.0MMay 6, 2026
- SaleVictor K LeeDirector3× since Dec 24, 2025: 2,000 shares, avg. $997.55$2.0MFeb 9, 202610b5-1 plan
Plus 1 more entries from the last 12 months.
Plus 9 other filings such as grants, option exercises or tax withholding. They are not market purchases or sales.
Sales are often planned (taxes, diversification, 10b5-1 plans). Purchases with their own money are seen as the stronger sign. For information only: not part of the quality score or Fair Value.
Source: SEC Form 4, as of Nov 5, 2026. All filings at the SEC ↗
Revenue & earnings trend
Growth Forecast
MPWR screens overvalued: fair value 38% below the price. Compare with NVIDIA Corporation →
Recent news
- MPWR Q3 deep dive: diversified end-market demand and design wins drive outlook upgrade
- Revenue Outlook Raised Could Be A Game Changer For Monolithic Power Systems Stock
- Why Monolithic Power Systems (MPWR) Is Getting Attention Today
Compare Monolithic Power Systems Inc with another stock
Price, fair value, quality and upside side by side.
Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Semiconductors · 371 stocks
Valuation Multiplesvs Semiconductors median · lower = cheaper
Strength profile in five axes (Snowflake)
VALUE 0: the price sits above our fair-value range.
Context: sector, industry, market
- Is the Information Technology sector expensive or cheap?
- P/E, EV/EBITDA and margins by industry (reference tables)
- Price/FCF by industry
- Debt-to-equity by industry
- Stock screener with 62 metrics
- Undervalued stocks: US Stocks
- Valuation of the USA market
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
Similar stocks
10 more Semiconductors stocks, each showing price versus our Fair Value estimate.
| Stock | Price | Fair Value | vs Fair Value | Compare |
|---|---|---|---|---|
| Taiwan Semiconductor Manufacturing Company TSM | $353.10 | $435.33 | +23% | vs MPWR |
| SK hynix Inc 000660 | 1,264,000 KRW | 1,535,600 KRW | +21% | vs MPWR |
| NVIDIA Corporation NVDA | $181.60 | $198.56 | +9% | vs MPWR |
| Broadcom Inc AVGO | $291.53 | $300.84 | +3% | vs MPWR |
| Intel Corporation INTC | $52.25 | $52.14 | +0% | vs MPWR |
| Micron Technology, Inc MU | $656.39 | $619.48 | −6% | vs MPWR |
| Marvell Technology, Inc MRVL | $133.55 | $87.64 | −34% | vs MPWR |
| Advanced Micro Devices, Inc AMD | $404.40 | $148.70 | −63% | vs MPWR |
| Texas Instruments Incorporated TXN | $278.15 | $81.25 | −71% | vs MPWR |
| Arm Holdings ARM | $166.72 | $45.16 | −73% | vs MPWR |
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