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olivLaw · US equity research

Monolithic Power Systems, Inc. MPWR

Semiconductors & Related Devices · SIC 3674 · Vertical: Semiconductors & Related Devices (SIC 3674)

1,328.30USD+6.78% · 1 dayClose 03 Nov 2026

Monolithic Power Systems is a fabless company that designs high-performance semiconductor power electronics for data centres, automotive, communications and industrial customers. The company reported revenue of 2.8 billion dollars in fiscal 2025 and kept growing into 2026, as demand for AI infrastructure expanded. Second-quarter 2026 revenue reached 980.6 million dollars.

The AI analysis may be outdated: new filings came after its sources (see the «AI analysis» section).

At the close of 03 Nov 2026, Monolithic Power Systems, Inc. (MPWR) stock was 1,328.30 USD (+6.78% on the day), with market capitalisation 64.8 bn USD, P/E 73.2 on diluted EPS of 18.14 USD over the last 12 months, dividend yield 0.57%, beta 2.39, 52-week range 856.96–1,689.89 USD. Latest reported quarter (Q3 2026): revenue of 1.2 bn USD (+63.1% YoY), net income of 271.1 m USD (+50.8% YoY), diluted EPS 5.51 USD.

Data as of · AI analysis dated · Source: SEC filings and closing prices, computed by olivLaw.

Market cap
64.8 bn USD
shares as of 27 Oct 2026
P/E (TTM)
73.2
Diluted EPS TTM 18.14 · TTM to 30 Sept 2026
E/P (TTM)
1.37%
TTM to 30 Sept 2026
Dividend yield
0.57%
DPS 12m 7.56
Beta (2y)
2.39
Volatility (1y) 54%
52-week range
856.961,689.89

Price history

Loading chart…

Technical reading

RSI (14)
57.0
strong (55–70)
Bollinger (20, 2)
1,109.02 – 1,410.06
in the upper half of the band · %B 0.73 · band width 23.9%
SMA 50 / 200
1,274.11 / 1,318.89
mixed trend
MACD (12, 26, 9)
-19.46 / -25.49
MACD above signal

Indicators describe past prices; on their own they do not predict direction. On our history the RSI ≤ 40 filter added no return (see the signals methodology).

Performance

CompanyS&P 500vs S&P 500Vertical median
1 month−7.7%−2.0%−5.7 pp—
3 months−0.5%−2.2%+1.7 pp—
6 months−16.4%+4.3%−20.6 pp—
Year to date+46.6%+10.6%+36.0 pp—
1 year+32.3%+10.5%+21.8 pp+46.6%
3 years+169.5%+73.7%+95.8 pp+104.6%
5 years+148.2%+61.7%+86.5 pp—
Max drawdown (1y)
−32.5%
03 Jun 2026 → 23 Oct 2026
Max drawdown (5y)
−51.9%
21 Aug 2024 → 08 Apr 2025
Compound annual growth (5y)
+19.9%
S&P 500 +10.1%

Price returns, dividends excluded.

Quarterly results

Latest quarter: Q3 2026 · 30 Sept 2026

Revenue
1.2 bn USD
+63.1% YoY
Net income
271.1 m USD
+50.8% YoY
Diluted EPS
5.51
+47.3% YoY
net / operating
22.5% / 29.7%

Quarterly margins

Quarterly statements · USD

Fiscal yearQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Revenue621.7 m637.6 m664.6 m737.2 m751.2 m804.2 m980.6 m1.2 bn
Cost of revenue277.3 m284.3 m298.6 m330.9 m336.9 m359.1 m439.6 m536.9 m
Gross profit344.4 m353.2 m366.0 m406.2 m414.3 m445.1 m541.1 m665.5 m
SG&A95.3 m92.2 m105.0 m112.9 m118.7 m103.3 m118.6 m167.3 m
Operating income163.3 m168.8 m164.8 m195.2 m199.9 m241.2 m303.9 m357.7 m
Depreciation & amortisation10.0 m11.4 m13.1 m ≈13.7 m ≈14.2 m15.1 m17.1 m ≈18.8 m ≈
Pre-tax income169.5 m173.9 m177.0 m205.6 m209.8 m247.2 m321.7 m366.6 m
Income tax-1.1 bn38.8 m42.0 m25.8 m38.1 m54.0 m64.4 m95.6 m
Net income1.3 bn135.1 m135.0 m179.8 m171.7 m193.2 m257.3 m271.1 m
Diluted EPS25.87 ≈2.812.813.743.49 ≈3.925.225.51
Operating cash flow167.7 m256.4 m237.6 m ≈239.3 m ≈104.9 m250.3 m227.9 m ≈289.9 m ≈
Capex64.8 m40.3 m48.1 m ≈42.5 m ≈41.0 m70.8 m82.4 m ≈69.3 m ≈
Dividends paid61.9 m60.0 m75.1 m ≈74.9 m ≈74.8 m78.4 m101.1 m ≈98.5 m ≈
Share repurchases622.0 m02.6 m2.1 m897.0 k——453.4 m ≈

≈ derived quarter (cumulative difference / share-days average)

E/P over time

E/P = trailing-12-month diluted EPS / price at quarter end. E/P is the inverse of P/E and stays defined when earnings are negative.

Today's P/E sits at the 61 percentile of its own 44-quarter history (min 17.2, median 69.7, max 108.9; quarters with earnings only).

Fiscal years

Fiscal year20182019202020212022202320242025
Revenue582.4 m627.9 m844.5 m1.2 bn1.8 bn1.8 bn2.2 bn2.8 bn
Revenue YoY+23.7%+7.8%+34.5%+43.0%+48.5%+1.5%+21.2%+26.4%
Net income105.3 m108.8 m164.4 m242.0 m437.7 m427.4 m1.6 bn621.5 m
Net income YoY+61.4%+3.4%+51.0%+47.2%+80.8%−2.4%+272.5%−61.0%
Diluted EPS2.362.383.505.059.058.7632.6012.86
Diluted EPS YoY+57.3%+0.8%+47.1%+44.3%+79.2%−3.2%+272.1%−60.6%
net %18.1%17.3%19.5%20.0%24.4%23.5%72.1%22.3%
Free cash flow118.9 m120.5 m212.2 m225.6 m187.8 m580.6 m642.3 m666.2 m

Reported results vs expectations

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Balance sheet & financial health

Fiscal year 2025 · 31 Dec 2025

Cash
1.1 bn USD
Financial debt
unavailable USD
Net debt
unavailable USD
Equity
3.5 bn USD
Total assets
4.2 bn USD
Debt / equity
unavailable
Current ratio
5.91x
ROE
19.2%
ROA
16.1%
FCF margin
23.9%

Financial statements (source on every figure)

Revenue and net income (USD)

Margins

Income statement · USD

Revenue
2023
1.8 bn
2024
2.2 bn
2025
2.8 bn

SEC (XBRL)· 27 Feb 2026verified

Cost of revenue
2023
800.0 m
2024
986.2 m
2025
1.3 bn

SEC (XBRL)· 27 Feb 2026verified

Gross profit
2023
1.0 bn
2024
1.2 bn
2025
1.5 bn

SEC (XBRL)· 27 Feb 2026verified

SG&A
2023
275.7 m
2024
356.8 m
2025
428.8 m

SEC (XBRL)· 27 Feb 2026verified

Operating income
2023
481.7 m
2024
539.4 m
2025
728.6 m

SEC (XBRL)· 27 Feb 2026verified

Depreciation & amortisation
2023
40.2 m
2024
36.4 m
2025
52.5 m

SEC (XBRL)· 27 Feb 2026verified

EBITDA
2023
521.9 m ≈
2024
575.8 m ≈
2025
781.1 m ≈

SEC (XBRL)· 27 Feb 2026derived

Pre-tax income
2023
505.8 m
2024
572.9 m
2025
766.2 m

SEC (XBRL)· 27 Feb 2026verified

Income tax
2023
78.5 m
2024
-1.0 bn
2025
144.7 m

SEC (XBRL)· 27 Feb 2026verified

Net income
2023
427.4 m
2024
1.6 bn
2025
621.5 m

SEC (XBRL)· 27 Feb 2026verified

Diluted EPS
2023
8.76
2024
32.60
2025
12.86

SEC (XBRL)· 27 Feb 2026verified

Weighted average diluted shares
2023
48.8 m
2024
48.8 m
2025
48.3 m

SEC (XBRL)· 27 Feb 2026verified

Dividend per share
2023
4.00
2024
5.00
2025
6.24

SEC (XBRL)· 27 Feb 2026verified

Balance sheet · USD

Cash
2023
527.8 m
2024
691.8 m
2025
1.1 bn

SEC (XBRL)· 27 Feb 2026verified

Receivables
2023
179.9 m
2024
172.5 m
2025
255.6 m

SEC (XBRL)· 27 Feb 2026verified

Inventories
2023
383.7 m
2024
419.6 m
2025
564.6 m

SEC (XBRL)· 27 Feb 2026verified

Current assets
2023
1.8 bn
2024
1.6 bn
2025
2.2 bn

SEC (XBRL)· 27 Feb 2026verified

Property, plant & equipment, net
2023
369.0 m
2024
494.9 m
2025
627.7 m

SEC (XBRL)· 27 Feb 2026verified

Goodwill
2023
6.6 m
2024
25.9 m
2025
25.9 m

SEC (XBRL)· 27 Feb 2026verified

Intangibles (excl. goodwill)
2023
0
2024
9.9 m
2025
8.8 m

SEC (XBRL)· 27 Feb 2026verified

Total assets
2023
2.4 bn
2024
3.5 bn
2025
4.2 bn

SEC (XBRL)· 27 Feb 2026verified

Accounts payable
2023
63.0 m
2024
102.5 m
2025
138.3 m

SEC (XBRL)· 27 Feb 2026verified

Current liabilities
2023
235.0 m
2024
294.6 m
2025
369.4 m

SEC (XBRL)· 27 Feb 2026verified

Total liabilities
2023
384.4 m
2024
564.7 m
2025
662.7 m

SEC (XBRL)· 27 Feb 2026verified

Equity
2023
2.0 bn †
2024
3.0 bn †
2025
3.5 bn †

SEC (XBRL)· 27 Feb 2026verified

Cash flow · USD

Operating cash flow
2023
638.2 m
2024
788.4 m
2025
838.2 m

SEC (XBRL)· 27 Feb 2026verified

Capex
2023
57.6 m
2024
146.1 m
2025
172.0 m

SEC (XBRL)· 27 Feb 2026verified

Free cash flow
2023
580.6 m ≈
2024
642.3 m ≈
2025
666.2 m ≈

SEC (XBRL)· 27 Feb 2026derived

Investing cash flow
2023
-178.7 m
2024
223.0 m
2025
-157.3 m

SEC (XBRL)· 27 Feb 2026verified

Financing cash flow
2023
-183.7 m
2024
-872.2 m
2025
-285.9 m

SEC (XBRL)· 27 Feb 2026verified

Dividends paid
2023
185.8 m
2024
240.6 m
2025
284.8 m

SEC (XBRL)· 27 Feb 2026verified

Share repurchases
2023
3.7 m
2024
636.2 m
2025
6.6 m

SEC (XBRL)· 27 Feb 2026verified

Computed indicators

Growth

Revenue growth (YoY)
26.4%
computed by olivLawFY 2025
Revenue CAGR 3Y
15.9%
computed by olivLawFY 2022 → FY 2025
Revenue CAGR 5Y
27.0%
computed by olivLawFY 2020 → FY 2025
EBIT growth (YoY)
35.1%
computed by olivLawFY 2025
Net income growth (YoY)
-61.0%
computed by olivLawFY 2025
Net income CAGR 3Y
12.4%
computed by olivLawFY 2022 → FY 2025
Net income CAGR 5Y
30.5%
computed by olivLawFY 2020 → FY 2025
EPS growth (YoY)
-60.6%
computed by olivLawFY 2025
EPS CAGR 3Y
12.4%
computed by olivLawFY 2022 → FY 2025
EPS CAGR 5Y
29.7%
computed by olivLawFY 2020 → FY 2025
FCF growth (YoY)
3.7%
computed by olivLawFY 2025

Profitability

Gross margin
55.3%
computed by olivLawTTM to 30 Sept 2026
EBITDA margin
31.2%
computed by olivLawTTM to 30 Sept 2026
EBIT margin
29.5%
computed by olivLawTTM to 30 Sept 2026
Net margin
23.9%
computed by olivLawTTM to 30 Sept 2026
FCF margin
16.3%
computed by olivLawTTM to 30 Sept 2026

Returns

ROE
25.1%
computed by olivLawTTM to 30 Sept 2026 · balance sheet at 30 Sept 2026
ROA
20.3%
computed by olivLawTTM to 30 Sept 2026 · balance sheet at 30 Sept 2026
ROIC
unavailable
input data missing
ROCE
27.3%
computed by olivLawTTM to 30 Sept 2026 · balance sheet at 30 Sept 2026
Payout ratio (EPS)
41.7%
computed by olivLawTTM to 30 Sept 2026
Payout ratio (FCF)
57.9%
computed by olivLawTTM to 30 Sept 2026

Balance sheet

Net debt
unavailable
input data missing
Net debt / EBITDA
unavailable
input data missing
Debt / equity
unavailable
input data missing
Interest coverage
unavailable
input data missing

Liquidity

Current ratio
3.7x
computed by olivLawbalance sheet at 30 Sept 2026
Cash ratio
0.9x
computed by olivLawbalance sheet at 30 Sept 2026

Cash

Operating cash flow
873.0 m USD
computed by olivLawTTM to 30 Sept 2026
Capital expenditure
263.6 m USD
computed by olivLawTTM to 30 Sept 2026
Free cash flow
609.4 m USD
computed by olivLawTTM to 30 Sept 2026
FCF conversion
68.2%
computed by olivLawTTM to 30 Sept 2026
Cash conversion
74.7%
computed by olivLawTTM to 30 Sept 2026

Efficiency

Days sales outstanding
34 days
computed by olivLawTTM to 30 Sept 2026 · balance sheet at 30 Sept 2026
Days payables outstanding
41 days
computed by olivLawTTM to 30 Sept 2026 · balance sheet at 30 Sept 2026

Market and valuation

Market capitalisation
64.8 bn USD
computed by olivLawbalance sheet at 30 Sept 2026
Enterprise value
unavailable
input data missing
Market cap / net income TTM
72.5x
computed by olivLawTTM to 30 Sept 2026
P/E (TTM)
73.2x
computed by olivLawTTM to 30 Sept 2026
Earnings yield
1.4%
computed by olivLawTTM to 30 Sept 2026
P/B
17.3x
computed by olivLawbalance sheet at 30 Sept 2026
P/S
17.3x
computed by olivLawTTM to 30 Sept 2026 · balance sheet at 30 Sept 2026
EV/EBITDA
unavailable
input data missing
EV/EBIT
unavailable
input data missing
EV/Sales
unavailable
input data missing
P/FCF
106.3x
computed by olivLawTTM to 30 Sept 2026 · balance sheet at 30 Sept 2026
FCF yield
0.9%
computed by olivLawTTM to 30 Sept 2026 · balance sheet at 30 Sept 2026
Dividend yield
0.6%
computed by olivLawTTM to 30 Sept 2026
Shareholder yield (distributions)
1.3%
computed by olivLawTTM to 30 Sept 2026 · balance sheet at 30 Sept 2026

4 indicators that do not apply to the sector.

Valuation

olivLaw classification

Insufficient data
What is missing
  • valuation methods computed: 0 of at least 1

A scoring methodology on indicators and valuation, not investment advice.

Closing price

1,328.30 USD

03 Nov 2026Source: olivLaw, closing series

Market cap: 64.8 bn USD

Key indicators

Market capitalisation
64.8 bn USD
computed by olivLawbalance sheet at 30 Sept 2026
P/E (TTM)
73.2x
computed by olivLawTTM to 30 Sept 2026
P/B
17.3x
computed by olivLawbalance sheet at 30 Sept 2026
EV/EBITDA
unavailable
input data missing
ROE
25.1%
computed by olivLawTTM to 30 Sept 2026 · balance sheet at 30 Sept 2026
Net margin
23.9%
computed by olivLawTTM to 30 Sept 2026
Revenue growth (YoY)
26.4%
computed by olivLawFY 2025
Dividend yield
0.6%
computed by olivLawTTM to 30 Sept 2026

Coverage and freshness

32/37 reporting lines present
Latest full fiscal year: 2025
Latest reported period: 30 Sept 2026
Latest balance sheet date: 30 Sept 2026
Share count (cover of the latest filing), as of: 27 Oct 2026
Source: SEC (XBRL)published 03 Nov 2026
verified 2596derived 145

Score by group

77% · Insufficient data

Estimated value range

unavailable — no valuation method could be computed

Valuation assumptions are editorial choices, not measured; beta is not measured.

Valuation methods

  • DCF (discounted cash flow)unavailable · input data missing
  • Peers: EV/Salesunavailable · net debt missing: EV cannot be bridged to equity (missing debt is not zero)
  • Peers: EV/EBITDAunavailable · net debt missing: EV cannot be bridged to equity (missing debt is not zero)

no valuation method could be computed

Multiple comparisons use the SIC vertical: Semiconductors & Related Devices (SIC 3674)

Classification (SIC) comparables group by industry code, not by economic activity; the direct group is an editorial selection by activity. Members' multiples are on their own trailing twelve months, at their own latest close.

Assumptions (illustrative, editorial)

Risk-free rate
4.3%
Equity risk premium
5.0%
Beta (default)
1.00
Cost of equity
9.3%
Terminal growth
2.5%

Factor scorecard

Insufficient data

Minimum-evidence gate: valuation methods computed: 0 of at least 1

FactorValueScoreWeight used
Gross margin · Quality55.3%38 (on a fixed band)14%
EBIT margin · Quality29.5%50 (vs peers)11%
FCF margin · Quality16.3%65 (on a fixed band)11%
Revenue CAGR 3Y · Growth15.9%63 (on a fixed band)22%
Revenue growth (YoY) · Growth26.4%69 (vs peers)11%
Net debt / EBITDA · Balance sheetunavailableunavailable—
Current ratio · Balance sheet3.7x100 (on a fixed band)8%
EV/Sales · Valuationunavailableunavailable—
FCF yield · Valuation0.9%19 (on a fixed band)17%
Shareholder yield (distributions) · Returns1.3%54 (on a fixed band)6%

Factors without a value were dropped; the remaining weights were renormalised.

Score groups

  • Balance sheet· partial100/100 · 1/2 factors with a value
  • Growth65/100 · 2/2 factors with a value
  • Quality50/100 · 3/3 factors with a value
  • Returns54/100 · 1/1 factors with a value
  • Valuation· partial19/100 · 1/2 factors with a value

A «partial» group is computed from under half of its weight or from one factor: it is not a full assessment of the group.

Memo

Monolithic Power Systems, Inc. (MPWR). Latest full fiscal year: 2025; data up to 2026-09-30.

Figures computed from the financial statements: revenue 2.8 bn USD in 2025; YoY growth 26.4%; net margin 23.9%; ROE 25.1%.

Valuation cannot be computed from the available data.

Insufficient data for a verdict (valuation methods computed: 0 of at least 1).

Text generated deterministically from the figures shown; no language model. Not investment advice.

What supports the thesis

  • Current ratio: 3.7x

What contradicts it

  • FCF yield: 0.9%

Not assessed (insufficient data or a ratio without meaning): Net debt / EBITDA, EV/Sales.

Versus the vertical median

Semiconductors & Related Devices (SIC 3674) · same industry (4-digit SIC) · compared with 13 companies

Only companies with a capitalisation between 7.2 bn and 459.2 bn (within 8× of the company's); 83 of the vertical were left out.

Multiples and returns vs the median

P/E
73.2x
vertical median 46.0x
above median (+59.1%)
EV/EBITDA
—
vertical median 24.8x
P/S
17.3x
vertical median 9.8x
above median (+76.3%)
P/B
17.3x
vertical median 6.6x
above median (+164.6%)
ROE
25.1%
vertical median 17.2%
above median (+46.2%)
Net margin
23.9%
vertical median 27.9%
below median (−14.5%)
EBIT margin
29.5%
vertical median 26.2%
above median (+12.6%)
Revenue YoY
26.4%
vertical median 13.0%
above median (+102.6%)
Net debt/EBITDA
—
vertical median 0.1x
Dividend yield
0.6%
vertical median 0.8%
below median (−29.9%)

Price rebased to 100 (monthly, 5 years)

Companies in the vertical

Market capP/EROENet marginRevenue YoY1A / 3A
INTCIntel Corporation321.8 bn—-10.9%-20.1%−0.5%+49% / +35%
AMATApplied Materials Inc303.1 bn32.941.1%30.1%+4.4%+51% / +155%
TXNTexas Instruments Inc285.5 bn40.539.7%34.3%+13.0%+86% / +105%
ADIAnalog Devices Inc203.4 bn49.812.2%29.8%+16.9%+58% / +129%
MRVLMarvell Technology, Inc150.8 bn56.816.5%27.9%+42.1%+92% / +209%
NXPINXP Semiconductors N.V.66.2 bn20.729.2%23.4%−2.7%+35% / +29%
MPWRMonolithic Power Systems, Inc.64.8 bn73.225.1%23.9%+26.4%+32% / +169%
MCHPMicrochip Technology Incorporated42.3 bn107.77.2%9.3%+7.1%+45% / −7%
ALABAstera Labs, Inc.40.5 bn115.825.8%30.7%+115.1%+48% / unavailable
CRDOCredo Technology Group Holding Ltd28.4 bn53.830.7%33.8%+205.7%−15% / +743%
ONOn Semiconductor Corp28.3 bn42.28.9%10.8%−15.3%+45% / +2%
QQnity Electronics, Inc.24.9 bn40.18.9%12.4%+9.7%+47% / unavailable
FSLRFirst Solar, Inc.20.0 bn10.818.7%37.1%+24.1%−32% / +18%
MTSIMACOM Technology Solutions Holdings, Inc.18.0 bn75.317.2%20.7%+32.6%+35% / +180%

1- and 3-year price returns: for MPWR from daily closes (the same as the performance table), for the other companies from month-end closes.

olivLaw engine forecast

The world engine ran after the company's latest material disclosure. Probabilities are of TOUCHING a level within the horizon (not closing there) and sit next to the random walk (p_rw), the no-information benchmark.

Valuation scenarios (editable assumptions)

Illustrative scenarios

Illustrative: not forecasts and without probabilities. Each case is one coherent set of assumptions, computed on today's figures.

Bear
Allowed range: -50 … 50%
Allowed range: -100 … 100%
Allowed range: 0 … 100
Allowed range: -10 … 20%
Allowed range: 0 … 100%
Base
Allowed range: -50 … 50%
Allowed range: -100 … 100%
Allowed range: 0 … 100
Allowed range: -10 … 20%
Allowed range: 0 … 100%
Bull
Allowed range: -50 … 50%
Allowed range: -100 … 100%
Allowed range: 0 … 100
Allowed range: -10 … 20%
Allowed range: 0 … 100%
Nothing is saved.

Estimated price (USD)

Estimated priceBearBaseBull
1 years
876.35
Total return -34% · Per year -34%
1,542.24
Total return 17% · Per year 17%
2,313.36
Total return 75% · Per year 75%
3 years
1,039.49
Total return -20% · Per year -7%
2,039.61
Total return 56% · Per year 16%
3,331.24
Total return 154% · Per year 36%
5 years
1,233.00
Total return -4% · Per year -1%
2,697.39
Total return 108% · Per year 16%
4,796.98
Total return 267% · Per year 30%
What moves the 3-year price the most
  • Exit P/E± 509.90
  • Net margin± 356.93
  • Annual revenue growth± 266.20
  • Annual dilution± 29.99

AI analysis

AI-generatedAI-generated analysis (Claude) from cited public sources; it may contain errors. Not investment advice. As of 27 Oct 2026 · Model: claude-haiku-5-5.

Possibly outdated: the newest document it read is from 05 Aug 2026; since then the company filed 10-Q (03 Nov 2026), 8-K (29 Oct 2026 · results).

In brief

Monolithic Power Systems is a fabless company that designs high-performance semiconductor power electronics for data centres, automotive, communications and industrial customers. The company reported revenue of 2.8 billion dollars in fiscal 2025 and kept growing into 2026, as demand for AI infrastructure expanded. Second-quarter 2026 revenue reached 980.6 million dollars 3.

SWOT

Strengths

  • The company has proprietary process and packaging technologies, a large patent position and sustained revenue growth, with gross margins steady around 55 percent 13.
  • The fabless model lets resources concentrate on engineering and limits capital spending, supporting financial flexibility 2.
  • Its cash and short-term investment position is solid, so expansion could be funded from internal resources 3.

Weaknesses

  • Revenue is heavily concentrated in Asia, and a few distributors account for a large share of sales 1.
  • The company depends on third parties for wafer fabrication and testing, which can create capacity bottlenecks 1.
  • The company reported a material weakness in internal control and restated prior financial statements, which calls for close attention from investors 1.

Opportunities

  • Demand for AI systems and data centre architectures could significantly widen the company's addressable market 3.
  • Expansion into automotive and new industrial applications could reduce dependence on a single segment 13.
  • If the capacity plan is delivered, the company could support future growth without relying on a single supplier 3.

Threats

  • Trade tariffs, export controls and geopolitical tensions could quickly affect market access and suppliers 2.
  • Competitors with greater resources could cut prices or launch similar products faster 1.
  • The semiconductor industry is cyclical, and a fall in demand could hit revenue and inventory 1.

Risks

  • Geographic concentration in Asiahigh

    Most revenue comes from customers in Asia, exposing the company to political, currency and operational risks 1.

  • China-related riskshigh

    Operations and suppliers in China are subject to extensive regulation and policy changes that could raise costs 1.

  • Tariffs and export controlsmedium

    Trade measures can be introduced quickly and unexpectedly; the company said they had no material impact so far but this could change 2.

  • Dependence on distributorsmedium

    A small number of distributors generate a significant part of revenue, and their inventory levels can influence orders 1.

  • Internal control and restatementmedium

    The company reported a material weakness in internal control and a restatement of prior financial statements, which could bring added costs 1.

Investment thesis

What would need to be true (bull case)

  • Revenue growth was strong in 2025 and continued into the second quarter of 2026, with a quarterly record, pointing to solid demand for the company's products 3.
  • If expansion into AI and automotive segments is confirmed, the company could diversify its revenue sources and reduce reliance on a single segment's cycle 13.
  • High gross margins and proprietary technologies support a competitive position if innovation continues 1.

What would break the thesis

  • Dependence on Asia and on customers in China remains high, and geopolitical tensions could quickly affect revenue 12.
  • Recent growth is concentrated in one segment, and if demand for AI infrastructure falls, the impact could be significant 3.
  • The internal control weakness and earlier restatement could add uncertainty for investors 1.

What to watch

  • Revenue against the third-quarter 2026 outlook rangeQ3 2026
  • Trend in GAAP gross margin and operating expensesQ3 2026
  • Effects of tariffs and export controls on the supply chain2027

Products, market & competition

AI-generatedAI-generated analysis (Claude) from cited public sources; it may contain errors. Not investment advice. As of 27 Oct 2026 · Model: claude-haiku-5-5.

Possibly outdated: the newest document it read is from 05 Aug 2026; since then the company filed 10-Q (03 Nov 2026), 8-K (29 Oct 2026 · results).

The business

Monolithic Power Systems, Inc. is a global fabless company founded in 1997 that provides semiconductor-based power electronics solutions. Its strengths are system-level knowledge, semiconductor design expertise and proprietary technologies in processes, system integration and packaging 1. Its products are designed to be more integrated, smaller and more energy-efficient than many competing solutions 1.

The fabless model lets the company focus engineering resources on design, while manufacturing, assembly and testing are handled by partners in China, Taiwan, South Korea, Singapore and Malaysia 1. This limits capital spending and fixed costs but makes the company dependent on an Asian supply chain 1.

The company keeps investing in research and development and holds a large portfolio of patents and applications, which it describes as material to its business 1. Its stated mission is to reduce energy and material consumption 1.

Market context

The analog and mixed-signal semiconductor market is competitive, with long product life cycles and average selling prices that fall over the life of a product 1. The industry is cyclical, and the company says it has targeted areas that could allow above-average performance over the long term 1. Demand from data centres and AI infrastructure became an important growth driver in 2026 3.

A key risk could be volatile demand in China and the rest of Asia, where most customers are located 1. Trade tensions, tariffs and export controls can change market conditions quickly 2.

Trends

  • Demand for AI infrastructure and data centrestailwind

    Growth in AI systems and cloud servers could support revenue in the Enterprise Data segment, which grew sharply in 2026 3. The company has already started sampling products for 800V data centre architectures 3.

  • Geopolitical tensions and tariffsheadwind

    Tariffs, export controls and retaliatory measures could affect operations and the supply chain, and the company says it is closely monitoring these developments 2. If restrictions widen, the impact could be significant.

  • Automotive electrificationtailwind

    Growth in advanced driver assistance and infotainment systems could expand the company's automotive share over the long term 13.

  • Geographic concentration of revenuemixed

    Reliance on Asian customers can expose the company to political, currency and operational risks, especially if relations between states deteriorate 1. Diversifying customers and regions is a stated goal, but results remain uncertain.

Competitive position

The company competes with several international makers of analog and power semiconductors, some with far greater financial and technological resources 1. Competition could intensify price pressure and the speed of new product launches 1.

The company's stated advantage is smaller circuit size, high integration and superior energy efficiency 1. Consolidation in the industry could, however, create larger competitors 1.

  • Analog DevicesADI

    Maker of analog and mixed-signal integrated circuits, named as a primary competitor.

  • Texas InstrumentsTXN

    Supplier of analog and power management circuits, named among primary competitors.

  • ON SemiconductorON

    Maker of power and analog semiconductors, named among primary competitors.

  • Power IntegrationsPOWI

    Specialist in power conversion circuits, named as a direct rival on some product lines.

News & filings

In the press

The latest news item in our archive is from 20 Sept 2026; the newest SEC filing is from 03 Nov 2026. The press archive comes from the RSS feeds we follow and does not necessarily cover the latest event — the filings alongside do.

SEC filings

Sources

  1. [1] Form 10-K, fiscal year ended 2025-12-31 · SEC / Monolithic Power Systems, Inc. · 27 Feb 2026
  2. [2] Form 10-Q, quarter ended 2026-06-30 · SEC / Monolithic Power Systems, Inc. · 05 Aug 2026
  3. [3] Form 8-K, results release (exhibit 99.1) · SEC / Monolithic Power Systems, Inc. · 30 Jul 2026

Figures computed by olivLaw from SEC filings and closing prices; the qualitative analysis is AI-generated from cited sources. Not investment advice.