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Call sheet · Q1'26

Monolithic Power Systems (MPWR)

Q1'26 earnings call · held April 30, 2026 · compared with the Q4'25 call · management-credibility review
9/12
Disclosure score
5 medium, 1 low flags
Financial quality
Bottom line
The sleeper story is server CPU demand accelerating alongside AI, with Michael admitting the lines are blurring - traditional data center refresh is driving as much growth as AI hype. The 85% enterprise data floor upgrade looks impressive but relies on extended ordering patterns that could reverse if customers were double-ordering due to capacity fears. The real binding constraint is gross margin pressure in H2 that Tony warned about but wouldn't quantify. Most telling quote: when asked about competitive positioning, Michael said 'I refuse to get into a pissing contest' - unusual defensiveness for a confident leader. My view changes if they quantify the H2 margin headwinds or if cash flow metrics deteriorate relative to the revenue acceleration.

The 30-second version

  • SLEEPER STORY: Server CPU is quietly becoming the real growth driver while everyone obsesses over AI GPUs
  • Enterprise data floor raised from 50% to 85% YoY growth on extended ordering patterns
  • CFO transition mid-quarter with no mention of integration costs or transition risks

What changed this quarter

MetricQ4'25Q1'26Change
Revenue$751M (up 20.8% YoY Q4 2025)$804M (up 26% YoY Q1 2026)Sequential acceleration, +53M QoQ
Enterprise Data Growth Floor50% YoY growth minimum85% YoY growth minimum+35 ppts confidence upgrade
Communications RevenueNot disclosed Q4Up 33% sequentiallyBreakout strength in optical modules
Capacity Target$4B achieved, working toward more$6B new target+50% capacity expansion goal
Current Density Achievement3A per mm³ target samplingShipping and qualified this quarterMilestone delivery on schedule
Gross Margin55.5% (low end of model)Not disclosed, but Tony noted headwinds in H2Cautious on margin expansion
High-Speed Interface ProductsNot mentionedFirst DDR5 products sampling at major customersNew TAM expansion initiative
800V Power SolutionsSampling with customersWorking, co-developing with customers and their customersProgressing beyond sampling
Auto Segment OutlookFlat H1, ramping H2Flat H1, ramping H2 (unchanged)Consistent guidance maintained
Storage BusinessStrong on data center sideDDR5 'clearly see the volumes' rampingVolume inflection confirmed

Accountability tracked

7 new promises made5 narrative shifts flagged7 prior promises scored
Inside the full report
The complete write-up covers the full promise ledger with kept/missed calls, disclosure-quality scoring, the metrics-vanished check, verification items, and the questions to ask next quarter.
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Scores, kept-promise rates, and flags on this site reflect the author's opinion, applying a stated methodology to statements management made on public earnings calls. Informational and educational purposes only - not investment advice, a recommendation, or an offer to buy or sell any security. Sources believed reliable but not guaranteed; the author may hold positions in the securities discussed.

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