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Call sheet · Q4'25

ON Semiconductor (ON)

Q4'25 earnings call · held February 9, 2026 · compared with the Q3'25 call · management-credibility review
10/12
Disclosure score
1 high, 3 medium, 2 low flags
Financial quality
Bottom line
The sleeper story is vertical GaN becoming a real competitive weapon - ON is the only company sampling at scale with GM already locked for 2027 traction systems. Wall Street is fixated on the $250M AI data center number, but the real prize is the $1B+ design funnel spanning automotive zonal architecture to utility storage where ON already has 50%+ share. The binding constraint isn't demand - it's the 700bps underutilization penalty they're eating while systematically exiting $300M of declining-margin business. 'We're the only ones company that has vertical GaN. Which is the highest power density at the highest voltage. Again, a competitive advantage.' My view changes if they can't convert that funnel to revenue in 2026 or if utilization doesn't recover to mid-70s by Q2.

The 30-second version

  • Vertical GaN just started generating revenue quietly - Wall Street is sleeping on the competitive moat
  • AI data center hit $250M but the real story is the funnel explosion to $1B+ across all markets
  • They're exiting $300M of business this year but won't quantify what margins they're walking away from

What changed this quarter

MetricQ3'25Q4'25Change
Revenue$1.55B Q3 (+6% QoQ, -10% YoY)$1.53B Q4 (-1% QoQ, -8% YoY)Slight sequential decline but first YoY improvement expected Q1
Non-GAAP Gross Margin38.0% Q338.2% Q4+20bps expansion despite seasonal headwinds
Non-GAAP EPS$0.63 Q3$0.64 Q4+$0.01 beat midpoint guidance
Automotive Revenue$787M Q3 (+7% QoQ)$798M Q4 (+1% QoQ)Decelerated to flat growth
Industrial Revenue$426M Q3 (+5% QoQ, -YoY decline)$442M Q4 (+4% QoQ, +6% YoY)First YoY growth in 8 quarters
AI Data Center RevenueDoubled YoY Q3>$250M full year 2025Material scale achieved, high teens Q1 growth guided
Free Cash Flow$372M Q3$485M Q4+30% acceleration, 24% of revenue full year
Manufacturing Utilization74% Q368% Q4-600bps drop for seasonal alignment
Inventory Days194 days Q3192 days Q4Slight improvement, 117 days base excluding strategic
Share Repurchases$325M Q3$450M Q4+38% acceleration, $1.4B full year

Accountability tracked

8 new promises made5 narrative shifts flagged6 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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This is a free preview. The full write-up and promise ledger are published to subscribers on Substack.
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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