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Monolithic Power Systems, Inc. (MPWR)

NASDAQ / Technology / Semiconductors

Share price

1249.20 USD Market dataClose of Oct 15, 2026

Market capitalisation

61.39B USD Market dataClose of Oct 15, 2026
Market data
Oct 15, 2026
Filed accounts
FY2025, filed Feb 27, 2026
Ratios computed
Oct 15, 2026
Filed years
16, FY2009 to FY2025
Four kinds of sourceSEC filingCompany statementMarket dataComputedWhat each means
SEC filingFiled with the SEC
Read from a statement the company filed with the SEC, with the form, fiscal year, filing date and accession beside it.
Company statementCompany statement
What the company says about itself in a filing: an 8-K item, the auditor, its own segment names.
Market dataMarket data
Prices, market value and what analysts publish, with the date they are as of.
ComputedComputed by ValueScreener
Worked out by us from the other three, with the inputs and the formula one press away. A score is a research output, not a rating or a recommendation.
Reading

1 of 10

Overview

What the business is, what it costs, and how it reads on four questions.

Market dataSEC filingComputed

Four questions, at a glance

Quality

Return on equity

17.6% Computed

From the FY2025 filing

Read quality

Valuation

Price to earnings

96.54x Computed

FY2025 accounts, priced at the latest close

Read valuation

Cash generation

Free cash flow yield

1.1% Computed

FY2025 accounts, priced at the latest close

Read cash generation

Revenue and net income, as filed

FY2016 Revenue: 388.7M USDFY2016 Net income: 52.7M USDFY2017 Revenue: 470.9M USDFY2017 Net income: 65.2M USDFY2018 Revenue: 582.4M USDFY2018 Net income: 105.3M USDFY2019 Revenue: 627.9M USDFY2019 Net income: 108.8M USDFY2020 Revenue: 844.5M USDFY2020 Net income: 164.4M USDFY2021 Revenue: 1.21B USDFY2021 Net income: 242.0M USDFY2022 Revenue: 1.79B USDFY2022 Net income: 437.7M USDFY2023 Revenue: 1.82B USDFY2023 Net income: 427.4M USDFY2024 Revenue: 2.21B USDFY2024 Net income: 1.59B USDFY2025 Revenue: 2.79B USDFY2025 Net income: 621.5M USD
Revenue Net income10 filed fiscal years, from the annual reports; the table in Filings names each document.
Named tests met
1 of 30 Which tests
The business, and the score behind its five axes

The reading, in brief

Is it cheap

Price to earnings is 96.54x at the close of 2026-10-15 on FY2025 figures; the lines are 15.00x (Graham's defensive ceiling) and, by market convention, 10.00x, 25.00x and 40.00x, and this sits above the highest.

Today, against the Semiconductors industry (51 companies), 96.54x sits at the 72nd percentile; the middle half of that group runs from 34.97x to 99.83x.

Is it good

Return on equity was 17.6% in FY2025, in the band labelled "Strong" (15.0% to 25.0%), on lines anchored on Damodaran's cost-of-capital data, suggesting high returns on shareholders' money, which leverage can also produce.

Today, against the Semiconductors industry (92 companies), 17.6% sits at the 80th percentile; the middle half of that group runs from -7.8% to 13.4%.

Is it safe

Current ratio was 5.91 in FY2025, in the band labelled "At or above Graham's requirement" (2.00 and above), on lines anchored on Graham's defensive-investor criteria, suggesting short-term assets well above short-term obligations.

Today, against the Semiconductors industry (98 companies), 5.91 sits at the 78th percentile; the middle half of that group runs from 2.24 to 5.33.

Year by year against peers
Whether Monolithic Power Systems, Inc.'s return on equity stayed above the median of the Semiconductors industry, year by year. (FY2016 to FY2025, 10 fiscal years of Monolithic Power Systems, Inc. with a comparable figure)
The direction
Which way Monolithic Power Systems, Inc.'s return on equity has moved, and how steadily. (FY2016 to FY2025, 10 filed years of Monolithic Power Systems, Inc.)
What could explain it
What in Monolithic Power Systems, Inc.'s filed statements could explain the movements. (6 readings drawn from the statement lines Monolithic Power Systems, Inc. filed)
What to check next
What to check next on Monolithic Power Systems, Inc., and where in its filings. (2 questions for Monolithic Power Systems, Inc.)
In one paragraph
One paragraph on Monolithic Power Systems, Inc.'s returns, cash, balance sheet and price. (11 of sixteen figures read for Monolithic Power Systems, Inc.)

These are MPWR’s filed figures. The research desk says what they mean, against peers and its own years, with what to check next.

Research MPWRPart of Serious. New accounts start with 30 days of Professional, free, no card.

2 of 10

What changed

The newest filing, what it moved, and when the next one is due.

SEC filingCompany statement

The newest accounts on file are the FY2025 annual report: 10-K, filed Feb 27, 2026, accession 0001437749-26-006113.

3 of 10

Quality

The returns the business earns on its capital, and the margins behind them.

SEC filingComputed

Monolithic Power Systems, Inc: returns on capital and margins, each with its source
FigureValue, source and document
Return on invested capital, after tax
Why n/a

The filed borrowings do not add up to a total we can stand behind: the filer's own liability subtotals leave room for debt we did not read.

n/a ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Return on equity17.6% ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Return on capital employed, pre-tax19.1% ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Return on assets14.8% ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Gross margin55.2% ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Operating margin26.1% ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Net margin22.3% ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
MPWR 22.3%
ALAB 25.7%UMC 21.0%QCOM 12.5%TSEM 14.1%ADI 20.6%
12.5%25.7%
Net margin: MPWR against the 5 companies named under Valuation context, each as filed for its own latest year. Placement only: no average is drawn.

4 of 10

Financial strength

What it owes against what it owns, and whether it can meet what falls due.

SEC filingComputedCompany statement

Monolithic Power Systems, Inc: leverage, liquidity and distress, each with its source
FigureValue, source and document
Debt to equity
Why n/a

The filed borrowings do not add up to a total we can stand behind: the filer's own liability subtotals leave room for debt we did not read.

n/a ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Current ratio5.91 ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Quick ratio4.38 ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Interest coverage
Why n/a

No interest expense is filed for this year, so coverage is not computed.

n/a ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Altman Z-score57.27 ComputedClose of Oct 15, 2026 · FY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Net debt
Why n/a

The FY2025 balance sheet carries no net debt we could read.

n/a ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Total assets 4.19BTotal liabilities 662.7MShareholders' equity 3.53BOwnsOwes, and equity
Total assets Total liabilities Shareholders’ equity
The balance sheet, line by line

Financial health

What Monolithic Power Systems, Inc owned and owed at the end of fiscal 2025, from the balance sheet it filed (10-K, filed Feb 27, 2026, 0001437749-26-006113).

Monolithic Power Systems, Inc: balance sheet position
Total assets4.19B FiledFY2025 10-K, filed Feb 27, 2026
Total liabilities662.7M FiledFY2025 10-K, filed Feb 27, 2026
Shareholders' equity3.53B FiledFY2025 10-K, filed Feb 27, 2026
Cash1.26B FiledFY2025 10-K, filed Feb 27, 2026
Total debtn/a FiledFY2025 10-K, filed Feb 27, 2026
Net debtn/a
Current ratio5.91
Debt to equityn/a
  • Debt to equity: FY2025: The filed borrowings do not add up to a total we can stand behind: the filer's own liability subtotals leave room for debt we did not read.
  • Interest cover: FY2025: No interest expense is filed for this year, so coverage is not computed.

Read from the filed balance sheet for each year, with the income statement of the same year supplying operating profit where a ratio needs it. Nothing here is a view on whether this company is sound.

5 of 10

Valuation context

What the market charges for it, against its own record and companies like it.

Market dataSEC filingComputed

Monolithic Power Systems, Inc: what the market charges, each with its source
FigureValue, source and document
Price to earnings96.54x ComputedClose of Oct 15, 2026 · FY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
P/E on trailing twelve months76.26x ComputedClose of Oct 15, 2026 · Trailing four quarters, each as known on the day; the quarterly filings are listed under Filings
Price to book17.09x ComputedClose of Oct 15, 2026 · FY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Price to sales21.63x ComputedClose of Oct 15, 2026 · FY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Enterprise value to EBIT
Why n/a

We do not hold this figure for this company, so there is nothing to show.

n/a ComputedClose of Oct 15, 2026 · FY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Enterprise value to EBITDA
Why n/a

We do not hold this figure for this company, so there is nothing to show.

n/a ComputedClose of Oct 15, 2026 · FY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Price to earnings over growth3.37 ComputedClose of Oct 15, 2026 · FY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Diluted earnings per share12.86 USD FiledFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Graham number145.89 USD ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113

We publish no fair value or price target of our own. Value MPWR on your own assumptions in the DCF workbench, starting from the filed figures.

Its own record, and companies like it

Valuation

What the market charges for Monolithic Power Systems, Inc today, and the multiples it has carried. No value of ours: the figures are the filings’ and the market’s.

Monolithic Power Systems, Inc: valuation
Share price1249.20 USD
Market capitalisation61.39B USD
Enterprise value to EBITDAn/a
Graham number145.89 USD
Diluted earnings per share, FY202512.86 USD

Price to earnings on trailing twelve months, a different basis from the fiscal-year P/E above, since Oct 3, 2016: low 13.96x, median 74.45x, high 130.88x, latest 76.26x. 2,523 trading days with a meaningful ratio. Each close over the trailing twelve months of earnings as known that day: a quarter counts from the day it was filed.

Companies like Monolithic Power Systems, Inc

  1. Astera Labs, Inc. Common Stock (ALAB)Market cap 52.38B USD
  2. United Microelectronics Corporation (UMC)Market cap 52.18B USD
  3. QUALCOMM Incorporated (QCOM)Market cap 190.50B USD
  4. Tower Semiconductor Ltd. (TSEM)Market cap 23.67B USD
  5. Analog Devices, Inc. (ADI)Market cap 195.70B USD

Same industry (Semiconductors) and size band (Large, 10B to 200B), nearest in market value, net margin and current ratio. Each of those counts equally, by how many of the companies considered sit between the two on it. Closest first: the order is likeness and nothing else.

6 of 10

Cash generation

Whether profit arrives as cash, and what is paid back to shareholders.

SEC filingComputed

Monolithic Power Systems, Inc: cash generation and what is paid out, each with its source
FigureValue, source and document
Free cash flow yield1.1% ComputedClose of Oct 15, 2026 · FY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Free cash flow666.2M USD ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Free cash flow margin23.9% ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Dividend yield0.6% ComputedClose of Oct 15, 2026 · FY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Payout ratio45.8% ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
FY2016 Free cash flow: 70.7M USDFY2016 Net income: 52.7M USDFY2017 Free cash flow: 68.1M USDFY2017 Net income: 65.2M USDFY2018 Free cash flow: 118.9M USDFY2018 Net income: 105.3M USDFY2019 Free cash flow: 120.5M USDFY2019 Net income: 108.8M USDFY2020 Free cash flow: 212.2M USDFY2020 Net income: 164.4M USDFY2021 Free cash flow: 225.6M USDFY2021 Net income: 242.0M USDFY2022 Free cash flow: 187.8M USDFY2022 Net income: 437.7M USDFY2023 Free cash flow: 580.6M USDFY2023 Net income: 427.4M USDFY2024 Free cash flow: 642.3M USDFY2024 Net income: 1.59B USDFY2025 Free cash flow: 666.2M USDFY2025 Net income: 621.5M USD
Free cash flow Net incomeProfit that arrives as cash stands level with net income; a gap year after year is worth reading about.

7 of 10

Filings

Every figure, the year it is for and the document it was read from.

SEC filingMarket data

The filed figures

Computed from the accounts this company filed with the SEC and, in a ratio with a price in it, the last close, dated on this page. Every filed figure below carries the fiscal year and the filing date its accounts were read from, and every blank carries the reason it is blank. Nothing here is a view on this company.

Monolithic Power Systems, Inc.: the eight ratios, with the fiscal year and filing date behind each.
FigureValueYearAs of
96.54xFY2025Oct 15, 2026
17.09xFY2025Oct 15, 2026
n/aFY2025Oct 15, 2026
n/a Enterprise value is the market value plus total debt less cash, and the filed balance sheet reports no debt total or no cash.
1.1%FY2025Oct 15, 2026
n/aFY2025Feb 27, 2026
n/a The filed borrowings do not add up to a total we can stand behind: the filer's own liability subtotals leave room for debt we did not read.
0.6%FY2025Oct 15, 2026
n/aFY2025Feb 27, 2026
n/a The filed borrowings do not add up to a total we can stand behind: the filer's own liability subtotals leave room for debt we did not read.
5.91FY2025Feb 27, 2026
21.63xFY2025Oct 15, 2026
3.37FY2025Oct 15, 2026
57.27FY2025Oct 15, 2026
-2.09FY2025Feb 27, 2026
6/9FY2025Feb 27, 2026

The figures are computed from the accounts for fiscal 2025, the newest full year on file. 16 filed fiscal years on record, FY2009 to FY2025, from SEC EDGAR. Prices as of Oct 15, 2026. Ratios recomputed Oct 15, 2026. Two facts, because a recompute is not a fresh quote.

The year and the filing date name the statement each figure’s accounts are read from, and they stand even where the figure itself could not be computed: the line beneath a blank says what that statement did not carry. A figure’s name opens its formula and the filings behind it; a statement that names no SEC filing has no filing date, and reads n/a.

Ten years of filed figures, year by year

Ten years of filed figures

10 filed fiscal years, FY2016 to FY2025, read from the annual reports Monolithic Power Systems, Inc filed with the SEC. Each year names its filing. Amounts in USD, as filed.

Monolithic Power Systems, Inc: revenue, earnings, free cash flow and returns, by fiscal year, with the filing each year was read from
YearRevenueOperating incomeNet incomeEPS, dilutedFree cash flowOperating marginReturn on equityFiling
FY20252.79B728.6M621.5M12.86666.2M26.1%17.6%10-K, Feb 27, 20260001437749-26-006113
FY20242.21B539.4M1.59B32.60642.3M24.4%54.0%10-K, Mar 3, 20250001437749-25-005903
FY20231.82B481.7M427.4M8.76580.6M26.4%20.9%10-K, Feb 29, 20240001437749-24-006133
FY20221.79B526.8M437.7M9.05187.8M29.4%26.2%10-K, Feb 24, 20230001437749-23-004540
FY20211.21B262.4M242.0M5.05225.6M21.7%19.5%10-K, Feb 25, 20220001437749-22-004460
FY2020844.5M158.9M164.4M3.50212.2M18.8%17.0%10-K, Mar 1, 20210001437749-21-004587
FY2019627.9M102.6M108.8M2.38120.5M16.3%14.1%10-K, Feb 28, 20200001437749-20-003943
FY2018582.4M113.5M105.3M2.36118.9M19.5%16.4%10-K, Mar 1, 20190001437749-19-003798
FY2017470.9M77.4M65.2M1.5068.1M16.4%12.5%10-K, Mar 1, 20180001437749-18-003639
FY2016388.7M54.4M52.7M1.2670.7M14.0%12.2%10-K, Mar 1, 20170001437749-17-003558
  • Revenue, compound annual growth FY2016 to FY2025: 24.5%
  • Earnings, compound annual growth FY2016 to FY2025: 31.5%
  • Earnings per share, compound annual growth FY2016 to FY2025: 29.4%
  • Free cash flow, compound annual growth FY2016 to FY2025: 28.3%

Every figure in this section is a line of a filed annual statement or a ratio of two of them. Nothing here is estimated or smoothed. Earnings per share filed before a share split are put on today's share count, and say so. Nothing here is a verdict on the company.

8 of 10

Risks and guardrails

The accounting screens, the published tests, and the lines you can set to be told.

ComputedCompany statement

Monolithic Power Systems, Inc: accounting screens and published tests, each with its source
FigureValue, source and document
Beneish M-score-2.09 ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Piotroski F-score6/9 ComputedFY2025 10-K, filed Feb 27, 2026, 0001437749-26-006113
Named tests met1 of 30 Computed
Beta1.96 ComputedClose of Oct 15, 2026

The named tests

Of 30 tests value investors published: 1 met, 23 not met, 6 we could not complete. Counts, never a score: a single figure would have to decide that meeting one investor’s criteria and meeting another’s are worth the same.

Which tests, by name(all 30)
Meets
Cash-covered dividend
Does not
Defensive investor (Benjamin Graham); Deep value; Large cap, low P/E; High F-score, low P/B (Joseph Piotroski); Three forensic scores; Low PEG, low debt (Peter Lynch); Gross margin, turnover (Robert Novy-Marx); High yield, low payout; Dividends and buybacks; Low beta, profitable; Near the 52-week low; Two thirds of NCAV (Benjamin Graham); P/E times P/B (Benjamin Graham); Owner earnings yield; High return on tangibles; Low P/S, rising earnings (James O'Shaughnessy); Book or below, low debt (Walter Schloss); Tangible book or below; Cash-flow yield and ROIC; Clean books, high ROIC; Cheapest quarter on P/E (David Dreman); Cheapest quarter on P/B (David Dreman); Low P/E, growth, yield (John Neff)
Not measured
Earnings yield and ROIC (Joel Greenblatt); High returns and growth; EV/EBITDA and coverage; ROIC at or above WACC; Z-score and coverage (Edward Altman); High returns, low debt. A test with a figure we could not read is incomplete, never met and never failed.
Figures we could not read(6)
  • Debt to Equity: The filed borrowings do not add up to a total we can stand behind: the filer's own liability subtotals leave room for debt we did not read.
  • EV/EBIT: We do not hold this figure for this company, so there is nothing to show.
  • Return on Invested Capital: The filed borrowings do not add up to a total we can stand behind: the filer's own liability subtotals leave room for debt we did not read.
  • EV/EBITDA: We do not hold this figure for this company, so there is nothing to show.
  • Interest Coverage: No interest expense is filed for this year, so coverage is not computed.
  • ROIC-WACC Spread: We do not hold this figure for this company, so there is nothing to show.

9 of 10

Declared positions

Whether anybody here owns this company.

Positions declared by the founder: no holding in any company shown here, as of October 3, 2026.

10 of 10

Next step

What to do with what you have read.

A thesis is your reason for owning it, in your words, with the figures that must stay true. Checking those figures every night against the newest filed accounts, and telling you once when one breaks, is what the subscription adds.

More on this company

What this cannot tell you

  • 6 figures could not be read on this company, among them Debt to Equity, EV/EBIT, Return on Invested Capital. Each blank in the table above names the rest, with its reason. 6 named tests come back incomplete because of them, which is neither met nor missed.

And the one that is true of all of it: This is what the numbers say today. It cannot tell you the day one of them stops being true. Nothing here can, because the reasons are not written down.

Running this once is arithmetic on public documents and you are welcome to it. Writing down why you own each company, in your own words and with the numbers that have to stay true for it to hold, and then having those numbers re-checked every night against the newest filed accounts, and against the latest close where a rule watches a price, is Professional, the plan a new account starts on for 30 days, one trial per person. It writes to you the day one breaks, and stays quiet when nothing does. The check runs every night at 23:30 UTC. A filing is picked up the night after it is published.

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ValueScreener · valuescreener.ai · Computed from accounts filed with the SEC by this company, read from EDGAR, and from dated closing prices. On this page a filed figure opens into its formula, its inputs and the statement, fiscal year and filing date it was read from, and a price into the day of its close. A figure that cannot show that trail says so.

A computation on accounts filed with the SEC, not a recommendation and not advice. Past filings do not indicate future results. Risk disclaimer.

Once a week, what changed in the filings of US-listed companies, why it can matter to a thesis, and what deserves a closer review. Grounded in filings, not market noise.

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Risk disclaimer. This service is provided for research and education only. Nothing on it is investment advice, a recommendation, or an offer to buy or sell any security. Capital is at risk, and past performance does not indicate future results. Figures come from filed accounts and may be incomplete, delayed or later restated, so verify a number against the filing before you act on it.