Feed / MPWR

Monolithic Power Systems, Inc.

MPWR

Technology · 1,233.98 +4.0% today

Isolated · not yet confirmedMarket checked 11 Sept, 15:55 GMT-4

Market read

Monolithic Power Systems, Inc.'s current read is isolated; its market group is not confirming.

The latest filing evidence is available. 0 of 17 group members are active now; 0 filing-linked outsiders are moving with the group, and 0 of 12 directly disclosed connections are confirming.

What changed
  • Revenue increased 26.1% versus the comparable filing period.
Company+4.0% todayVolume comparison unavailable
Market group0 of 17 activeSemiconductors · unavailable
Disclosed network0 of 8 confirmingNo filing-linked name is confirming now
What would change this read
  • Management concluded that, due to a material weakness, disclosure controls and procedures were not effective as of March 31, 2026.

Invalidation: The isolated read changes if MPWR's group or a disclosed connection begins moving with it.

Watch this read

Research brief

The story so far

Technology · Semiconductors

The latest filing evidence is available. 0 of 17 group members are active now; 0 filing-linked outsiders are moving with the group, and 0 of 12 directly disclosed connections are confirming.

Evidence that supports
  • Revenue increased 26.1% versus the comparable filing period.
  • Operating margin improved 3.5 percentage points.
  • Net income increased 43.1% versus the comparable filing period.
Evidence that challenges

No thresholded adverse filing evidence is available yet.

What would clarify the read
  • Management concluded that, due to a material weakness, disclosure controls and procedures were not effective as of March 31, 2026.

Company research

Understand the business, not just the ticker

As of Sep 12, 2026
Business model and earnings drivers

Use the company’s filings to identify the few operating, demand, cost, capital and regulatory variables that determine its earnings power.

Key research questions
  • Which operating variable is changing?
  • Is that change durable, cyclical or one-off?
  • What evidence would disprove the current interpretation?
Annual periods9
Price observations602
Usable filing statements80
Verified relationships11
Evidence supporting the case
  • Latest annual revenue changed +26.4% year over year.
  • Operating margin changed +1.7 percentage points in the latest annual period.
  • Operating cash flow covered net income at 1.35x in the latest annual period.
  • Demand and volume has repeated favorable evidence across 4 filings.
  • Macroeconomic conditions has repeated favorable evidence across 3 filings.
  • Tariffs and trade policy has repeated favorable evidence across 3 filings.
Evidence challenging the case
  • Net margin changed -49.9 percentage points in the latest annual period.
Questions before a position
  • P/E is 96% above the available filing-peer median; determine whether growth and quality justify the difference.
  • EV/sales is 198% above the available filing-peer median; determine whether growth and quality justify the difference.
Longer-term price context

Price as of Sep 11, 2026

1,233.98
6m+19.4%12m+44.3%24m+53.0%
Annual trajectory

Reported annual revenue and per-share history. This is accounting history, not a forecast.

PeriodRevenueYoYDiluted EPSShare change
2021-12-31$1.2B+43.0%$5.05+1.9%
2022-12-31$1.8B+48.5%$9.05+1.0%
2023-12-31$1.8B+1.5%$8.76+0.9%
2024-12-31$2.2B+21.2%$32.60+0.1%
2025-12-31$2.8B+26.4%$12.86-1.1%

What management says matters

Persistent and emerging business drivers

Demand and volumepositive · 4 filings
Macroeconomic Conditions and Regulations The semiconductor industry is impacted by various macroeconomic challenges including fluctuations in consumer spending, fluctuations in demand for semiconductors, rising inflation, global tariffs and retaliatory measur…
10-Q · May 4, 2026
Macroeconomic conditionspositive · 3 filings
Macroeconomic Conditions and Regulations The semiconductor industry is impacted by various macroeconomic challenges including fluctuations in consumer spending, fluctuations in demand for semiconductors, rising inflation, global tariffs and retaliatory measur…
10-Q · May 4, 2026
Product pipeline and R&Dpositive · 3 filings
In order to remain competitive, we anticipate that we will continue to devote substantial resources to research and development, and we expect these expenses to increase in the foreseeable future due to the increased complexity and the greater number of produ…
10-K · Feb 27, 2026
Tariffs and trade policypositive · 3 filings
Macroeconomic Conditions and Regulations The semiconductor industry is impacted by various macroeconomic challenges including fluctuations in consumer spending, fluctuations in demand for semiconductors, rising inflation, global tariffs and retaliatory measur…
10-Q · May 4, 2026

Valuation discipline

Descriptive valuation snapshot

Price/sales 21.4× · EV/sales 21.0×. Comparisons use only industry-matched filing peers.

Scenario scaffold

Mechanical 2.0-year scenarios are available as editable assumptions, not consensus.

Price action

How the market is pricing the story

1,233.98+4.0% today

Jodie does not have enough daily observations to draw a useful short-term chart for this asset. The latest quoted price was checked 11 Sept, 15:55 GMT-4; this is a coverage limitation, not a flat-price conclusion.

Developments

No sourced recent-development timeline yet

Jodie has not returned a relevant primary source or news item for MPWR. This is an evidence-coverage gap, not a conclusion that nothing material happened.

Business and financial condition

Reported financial figures are not available yet

Jodie has not returned structured SEC XBRL fundamentals for this asset. This is a coverage limitation, not an assessment of the business or its financial health.

Latest filing assessment · baseline

Fundamentals strengthened in the latest filing

10-Q filed 2026-05-04 against the comparable filing from 2025-05-05.

constructive
OperationsconstructiveEvidence score +4
liquidityneutralEvidence score 0
valuationmixed

What improved

  • Revenue increased 26.1% versus the comparable filing period.
  • Operating margin improved 3.5 percentage points.
  • Net income increased 43.1% versus the comparable filing period.

What weakened

No thresholded deterioration was identified.

Filing receipts

The increase in revenue was primarily due to higher shipment volume and higher average selling prices resulting primarily from product mix.

The $74.8 million increase in cost of revenue was primarily driven by product mix and higher shipment volume.

This increase was primarily due to higher sales of power solutions for artificial intelligence (“AI”) and server applications.

Retrospective baseline calibration. It was generated after the filing date and is not part of Jodie's live track record.

Business ecosystem

The relationships behind MPWR

Customers, suppliers, partners and competitors named in company filings—not inferred from headlines.

Depends on

ADIAnalog Devices, Inc.competitorFeb 27, 2026

We consider our primary competitors to include Analog Devices, Infineon Technologies, NXP Semiconductors, ON Semiconductor, Power Integrations, Renesas Electronics, ROHM Semiconductor, Semtech, STMicroelectronics and Texas Instruments.

IFNNYFiling-linked namecompetitorFeb 27, 2026

We consider our primary competitors to include Analog Devices, Infineon Technologies, NXP Semiconductors, ON Semiconductor, Power Integrations, Renesas Electronics, ROHM Semiconductor, Semtech, STMicroelectronics and Texas Instruments.

Depended on by

AOSLAlpha and Omega Semiconductor LimitedcompetitorAug 28, 2025

Our major competitors for our power ICs include Monolithic Power Systems, Inc., ON Semiconductor Corp., Richtek Technology Corp., Semtech Corporation, Texas Instruments Inc.

Filing peers

Companies whose filings use similar operating language.

Open the three relationships above to see Jodie’s filing proof. Pro unlocks 16 more links, every receipt, and alerts when connected names begin moving. Unlock the full network →

What is moving around it

Live connections

MPWR is currently a Follower in the organic co-movement group Semiconductors. This group is discovered from market behaviour rather than assigned from an industry taxonomy. 3 filing-linked names are in the relationship map; none is currently confirmed as moving with the group.

Context history

Theme membership history

No durable theme membership has been observed for this name yet.