Stock Analysis
Monolithic Power Systems, Inc.MPWR
P/E 73.97×· 5Y range 11.95–129.64×· 55th percentile of history
Sector: Technology · Industry: Semiconductors & Related Devices
AnalystsStrong Buy23 analystsP/E 74.0× sits at the 55th percentile of its 5.086926762491444-year history.
Cash covers 7467% of debt · Q2 2026.
PMP Verdict
High quality, fairly valued
Strengths
- Growth100
- Financial Health100
Strong fundamentals at a reasonable valuation.
Market context
-3.1% today· Z 1.1σ
Bull Case
- ✓Altman Z 47.2 — safe-zone balance sheet
- ✓ROE 20.7% — efficient capital deployment
- ✓Revenue CAGR 23.3% — durable top-line growth
What's happening with MPWR
Profile
Strong growth, financial health, moat, profitability and earnings quality; valuation lags behind.
How is each axis scored?
- Valuation22/100 · Weak
- P/E vs own history (55th pct)12/25
- FCF yield (1.0%)5/25
- P/S (18.1x)5/25
- EV/EBIT (61.5x)0/25
- Growth100/100 · Strong
- Revenue CAGR (23.3%)25/25
- Net income CAGR (26.6%)25/25
- EPS CAGR 5Y (26.3%)25/25
- Fwd implied growth (75.5%)25/25
- Profitability95/100 · Strong
- ROIC (29.7%)25/25
- ROE (20.7%)20/25
- Net margin (24.6%)25/25
- Operating margin (28.7%)25/25
- Financial Health100/100 · Strong
- Altman Z (47.16)25/25
- Current ratio (4.98)25/25
- Interest coverage (no interest expense)25/25
- Net cash / debt (Net cash)25/25
- Quality75/100 · Strong
- Piotroski F (6/9)15/25
- Beneish M (-2.58)25/25
- FCF conversion (73%)15/25
- Margin stability (σ 5.8%)20/25
- Moat100/100 · Strong
- ROIC >12% years (10/10 yrs)25/25
- Median gross margin (55.2%)25/25
- FCF-positive years (10/10 yrs)25/25
- Worst-year net margin (worst 13.6%)25/25
Risk Flags
- ⚠SBC 6.4% of revenue — real dilution cost
About Monolithic Power Systems, Inc.
Monolithic Power Systems is a power chipmaker specializing in voltage regulators. Show more
Its mission is to reduce total energy consumption in end systems to improve performance and save customers cost. It serves the data center, automotive, industrial, communications, and consumer end markets. MPS uses a fabless manufacturing model, partnering with third-party chip foundries to host its proprietary BCD process technology.
Headquarters: WEST PALM BEACH, FL · Employees: 4,501 · Website ↗
Price History
Weekly Candlestick Chart — up to 5Y
Key Metrics
Financial snapshot · Tap any metric for its definition and grade
TTM Snapshot
trailing twelve months · YoYValuation
22EP/E (TTM)73.6xD
Grade D: ExpensivePrice / TTM EPS (own statements) — vs own 5Y history: 12.0x–129.6x · 55th pct
P/FCF104.0xD
Grade D: ExpensivePrice / Free Cash Flow per share (Finnhub). Inverse of FCF yield — negative when FCF is negative
FCF Yield1.0%C
Grade C: LowTTM (OCF − CapEx) / Market Cap — vs own 5Y history: 0.6%–2.9% · 24th pct
P/S (TTM)18.09xD
Grade D: ExpensivePrice / TTM Revenue (own statements) — vs own 5Y history: 8.9x–28.1x · 59th pct
EV/EBIT61.5xD
Grade D: ExpensiveEnterprise value / TTM EBIT (D&A not in our data) — capital-structure neutral — vs own 5Y history: 58.4x–102.2x · 6th pct
EV/Sales18.3xD
Grade D: Very expensiveEnterprise Value / TTM Revenue (Finnhub) — capital-structure neutral sales multiple
Forward P/E41.9xD
Grade D: ExpensivePrice / next-year EPS estimate — shows whether the TTM multiple is rich or just front-loading growth
P/B Ratio15.20xD
Grade D: Very expensivePrice to Book Value. Neg. equity = heavy buybacks
PEG Ratio2.49C
Grade C: ExpensiveFinnhub PEG — their P/E basis ÷ expected EPS growth. Suppressed when their P/E diverges >2× from our TTM P/E (different basis)
Dividend Yield0.54%A
Grade A: PaysTTM dividend yield (Finnhub) — annual dividends / price. None = no dividend; very high yield can signal distress
Payout Ratio40.9%A
Grade A: SafeDividends / Net Income (Finnhub) — share of earnings paid out; >90% or negative = unsustainable
Profitability
95A+ROIC29.7%A
Grade A: MoatNOPAT (EBIT less ~21% tax) / invested capital (equity + debt − cash). Flagship quality metric — durable >15% signals a moat
ROE20.7%A
Grade A: StrongReturn on Equity. Neg. equity = heavy buybacks
ROA18.4%A
Grade A: StrongReturn on Assets (Finnhub) — Net Income / Total Assets; how efficiently assets produce profit
Net Margin24.6%A
Grade A: HighNet Income / Revenue
Operating Margin28.7%A
Grade A: HighTTM EBIT / TTM Revenue
Gross Margin55.2%A
Grade A: PremiumGross Profit / Revenue
FCF Margin17.9%A
Grade A: HighFCF / Revenue
True FCF Margin11.5%C
Grade C: AverageTTM (OCF − CapEx − SBC) / TTM Revenue — SBC treated as a real cost
Growth
100A+Revenue CAGR23.3%A
Grade A: HighCompound annual revenue growth (up to 5Y depending on data availability)
Net Income CAGR26.6%A
Grade A: HighCompound annual net income growth (up to 5Y depending on data availability)
EPS CAGR (5Y)26.3%A
Grade A: HighCompound annual EPS growth over up to 5Y of per-share earnings (own statements). Null when either endpoint EPS ≤ 0
Implied EPS Growth75.5%A
Grade A: HighAnalyst forward EPS (normalized basis) vs our GAAP TTM EPS — different bases, so extreme values usually mark cyclically depressed TTM earnings, not real growth
Dilution (5Y)+3.0%C
Grade C: DilutiveShare count change over 5Y
SBC / Net Income26.0%D
Grade D: HighStock-based comp/Net income. >30% = dilution risk
SBC / Revenue6.4%C
Grade C: MedTTM stock-based comp / TTM Revenue
Financial Health
100A+Altman Z-Score47.16A
Grade A: SafeBankruptcy risk. >3 Safe, <1.8 Distress
Current Ratio4.98xA
Grade A: HighCurrent Assets/Liabilities
Quick Ratio3.53xA
Grade A: High(Current Assets − Inventory) / Current Liabilities (Finnhub) — stricter liquidity test, excludes inventory
Interest Coverage—
EBIT/Interest. >10 Strong
Debt RepaymentNet CashA
Grade A: FastYears to repay net debt via FCF
Net Debt/EBITNet CashA
Grade A: LowLeverage. <2x Low, >4x High
Debt/Equity0.00xA
Grade A: LowDebt / Equity: <1 Conservative, >2 Risky. Not meaningful with non-positive equity; shown as unavailable rather than low debt.
Cash / Debt74.67xA
Grade A: CoveredCash covers how much of total debt. >1 = could repay all debt from cash
Quality
75B+Piotroski F-Score6/9C
Grade C: AverageFinancial strength 0–9. >7 Strong
Beneish M-Score-2.58A
Grade A: SafeEarnings manipulation risk. < -2.22 Safe
FCF Conversion72.8%C
Grade C: AverageFCF / Net Income
Margin Stability5.8%A
Grade A: StableEBIT margin std deviation. Lower = stable
Capex / Revenue7.2%C
Grade C: AverageTTM CapEx / TTM Revenue — high % = capital-hungry business
Asset Turnover0.75xC
Grade C: AverageRevenue / Total Assets (Finnhub) — how efficiently the asset base generates sales
Insider Transactions
SEC Form 4 · 8 recordsP/S codes are the directional signal; grants, option exercises and tax withholding carry none. Form 4 doesn't flag 10b5-1 plans — scheduled sales may appear within open-market sells.
| Trade date | Insider | Transaction | Shares | Filed |
|---|---|---|---|---|
Tseng Saria Filed | Tseng Saria | Gift | +2.0K | |
Tseng Saria Filed | Tseng Saria | Gift | -2000 | |
DEAN ROBERT W II Filed | DEAN ROBERT W II | SellJ | -5 | |
DEAN ROBERT W II Filed | DEAN ROBERT W II | SellOpen market sale | -32 | |
CHANG KUO WEI HERBERT Filed | CHANG KUO WEI HERBERT | SellOpen market sale | -50 |
Show 3 more filingsShow fewer filings
| Trade date | Insider | Transaction | Shares | Filed |
|---|---|---|---|---|
DEAN ROBERT W II Filed | DEAN ROBERT W II | SellOpen market sale | -6 | |
CHANG KUO WEI HERBERT Filed | CHANG KUO WEI HERBERT | SellOpen market sale | -50 | |
DEAN ROBERT W II Filed | DEAN ROBERT W II | SellOpen market sale | -105 |
More metrics — Moat, Per Share, Balance Sheet, MarketHide additional metrics
Moat
100A+ROIC >12% Years10/10 yrsA
Grade A: DurableShare of completed fiscal years with ROIC > 12% — measures multi-year capital-return durability
Gross Margin (Med.)55.2%A
Grade A: DurableMedian annual gross margin across available fiscal years — pricing-power durability
FCF-Positive Years10/10 yrsA
Grade A: DurableShare of completed fiscal years with positive free cash flow
Net Margin Floor13.6%A
Grade A: DurableWeakest annual net margin across completed fiscal years — recession/downcycle resilience
Per Share
EPS (TTM)$16.37
Own TTM net income / shares — same earnings basis as P/E
Cash / Share$28.77
Cash & short-term investments per share (Finnhub)
Book Value / Share$79.27
Shareholders' equity per share (Finnhub). Negative = accumulated losses / heavy buybacks
Balance Sheet
Total Debt$18.93M
Total debt obligations (short + long term)
Cash & Equiv.$1.41B
Cash and short-term investments
Net Debt$-1.39BA
Grade A: Net CashTotal Debt minus Cash. Negative = Net Cash position
Total Equity$3.90B
Shareholders' equity (book value)
Asset / Liability5.93xA
Grade A: SolidTotal Assets / Total Liabilities
Market
Market Cap$59.22B
Current Market Capitalization
Beta1.73C
Grade C: VolatilePrice sensitivity vs the market (Finnhub) — 1.0 moves with market, >1.2 amplifies swings
How grades work: each metric is graded A–D against fixed thresholds (tap a row for the meaning). Card grades map the pillar score to A+–E — a card grade is that pillar's own score, not an average of the rows shown.
Financials as of Jun 2026 · Ratio snapshot Oct 17, 2026
Key Insights: Monolithic Power Systems, Inc. (MPWR)
MPWR is down 3.07% at the last close. Piotroski F-Score of 6/9 indicates mixed fundamentals for Monolithic Power Systems, Inc.. Altman Z-Score of 47.16 sits comfortably in the safe zone (≥ 2.99), indicating low bankruptcy risk. Beneish M-Score of -2.58 suggests a low likelihood of earnings manipulation. Revenue has compounded at roughly 23% annually, with net income growing about 27% per year — a strong growth profile.
- Monolithic Power Systems, Inc. converts about 18% of revenue into free cash flow — strong cash generation.
- Company is effectively debt-free after netting cash.
- At a valuation score of 22/100, MPWR trades at a premium to its historical multiples (P/E 73.6).
- Return on equity of 20.7% is well above the market average.
See how MPWR ranks on the Capex Tracker — top 50 capital spenders compared.
Recent Market Moves
See all MPWR moves →| Date | Session | Price | Move | Z-Score |
|---|---|---|---|---|
| Oct 14 | After-hours | 1,225.31 | -7.14% | -2.50 |
| Oct 12 | After-hours | 1,310.21 | -5.49% | -2.23 |
| Sep 22 | Regular | 1,382.00 | +8.16% | 2.76 |
| Sep 22 | After-hours | 1,386.90 | +8.55% | 2.89 |
| Sep 21 | Regular | 1,279.78 | +5.09% | 2.03 |
Frequently Asked Questions about MPWR
What is the current Monolithic Power Systems, Inc. (MPWR) stock price?
MPWR is trading at $1210.86 at the last market close, down 3.07% on the session. PreMarketPrice tracks MPWR pre-market, intraday and after-hours prices.
Is MPWR stock a buy right now?
PreMarketPrice's quantitative model rates Monolithic Power Systems, Inc.'s financial health at 100/100. This is a data-driven snapshot of fundamentals, not investment advice.
Is MPWR stock overvalued?
Monolithic Power Systems, Inc. trades at a trailing P/E of 73.6 and our valuation score rates it 22/100 (higher = cheaper vs. its own history). See the Valuation History and Key Metrics sections for forward P/E, EV/EBITDA and PEG context.
When does Monolithic Power Systems, Inc. report earnings?
No confirmed earnings date is currently scheduled for MPWR. The Earnings section lists recent reports and updates as dates are announced.
What sector does Monolithic Power Systems, Inc. operate in?
Monolithic Power Systems, Inc. operates in the Technology sector, within the Semiconductors & Related Devices industry. The Related Stocks section lists sector peers for comparison.
What does Monolithic Power Systems, Inc. do?
Monolithic Power Systems is a power chipmaker specializing in voltage regulators.
About Monolithic Power Systems, Inc. (MPWR) Stock
Monolithic Power Systems, Inc. (MPWR) is a US-listed stock operating in the Technology sector, specifically the Semiconductors & Related Devices industry. As of the latest update, Monolithic Power Systems, Inc. is trading at $1210.86, down 3.07% on the day with a market capitalization of $59.2 billion. The financial health score for MPWR is 100/100, which indicates excellent financial strength based on profitability, leverage, liquidity, and growth metrics. This page provides real-time pre-market pricing, earnings calendar, financial health analysis, and valuation metrics for MPWR stock.
MPWR Stock Analysis & Key Metrics
On PreMarketPrice, you can track Monolithic Power Systems, Inc. (MPWR) across multiple dimensions:
- Pre-market price & movement: Real-time MPWR stock price with percentage change, updated continuously during pre-market and regular trading hours.
- Valuation & P/E history: Historical P/E, P/S, and P/B ratios for MPWR with trend analysis and normalized valuation multiples.
- Financial statements: Revenue, net income, assets, liabilities, and equity for Monolithic Power Systems, Inc. across multiple reporting periods.
- Financial health score: A composite score of 100/100 based on Altman Z-Score, Piotroski F-Score, profitability, and leverage metrics for MPWR.
- Sector peers: Compare MPWR against 6 other technology stocks on key financial metrics.
Is MPWR a Good Stock to Buy?
This page provides data-driven analysis to help you evaluate Monolithic Power Systems, Inc. (MPWR) as an investment. The financial health score of 100/100 suggests excellent financial fundamentals. Valuation metrics show whether the stock is trading above or below its historical average.However, this is not financial advice — always do your own research before investing.
Data on this page is sourced from real-time market feeds, Polygon.io, and Finnhub.Monolithic Power Systems, Inc. (MPWR) trades on NYSE/NASDAQ. Pre-market trading occurs 4:00 AM – 9:30 AM ET. Regular market hours are 9:30 AM – 4:00 PM ET.