ON Semiconductor Corporation

ON · NASDAQ · USD

Can AI data center and automotive content growth keep compounding fast enough to carry ON through a slow, inventory-light recovery while margins climb back toward target?

Last 4 earnings calls · through Q2 FY2026

Bull case

  • AI data center power content

    The bull case is that AI data centers need more power conversion per rack and ON sells across the whole chain, so it gains content as voltages rise.

  • Automotive content per vehicle

    A second pillar is content growth in vehicles, where zonal wiring, sensors and silicon carbide add dollars per car even when vehicle production is flat.

  • Factory utilization and margins

    Management expects margins to keep expanding as factory utilization rises and cost cuts land, which would make recovering revenue much more profitable.

  • Cash returned through buybacks

    Free cash flow has been returned almost entirely through buybacks, so a shrinking share count amplifies whatever earnings the recovery produces.

Bear case

  • Automotive restocking delay

    The bear case is that automakers and their suppliers stay cautious and never rebuild inventory, leaving ON shipping only to end demand with little upside surprise.

  • Margins below long-term target

    Gross margin is still far below the company's long-term goal, and closing the gap depends on filling factories that are running well under capacity.

  • Cost inflation and pricing

    Raw material and foundry costs are rising and price increases take quarters to land, so margin progress could stall if costs keep climbing faster.

  • Competition in AI power

    Larger power semiconductor rivals and new entrants are chasing the same data center sockets, and design wins are not guaranteed to convert into lasting share.

Bull and bear points

Growth & Execution

In short: AI data center and China content are growing fast, while the auto and industrial recovery remains uneven.

Bull · 2

  • Management now expects AI data center revenue to more than double in 2026

    A quarter earlier management declined to guide the segment; the raised target makes AI data center the main driver of growth this year.

    Tone shiftQ4 FY2025 → Q2 FY2026

  • Treo revenue rose more than 2.5 times sequentially in the first quarter

    Treo is the analog and mixed-signal platform behind zonal Ethernet, ultrasonic sensing and driver chips, so its ramp shows new products turning into revenue.

    Q1 FY2026 call
Bear · 2

  • Automotive customers are still not rebuilding inventory

    Tier one suppliers run thin margins and cannot fund stock, so ON's automotive sales track vehicle production rather than a recovery rebound.

    Q4 FY2025 call

  • Exiting about $300 million of non-core revenue drags reported growth

    Reported sales grow more slowly than the underlying business, so the core has to outperform just to keep total revenue moving up.

    Q1 FY2026 call

Profitability & Financial Strength

In short: Gross margin is expanding with factory utilization, but it is still far below the company's long-term target.

Bull · 2

  • Gross margin is guided to 40% to 42%, a step up from prior quarters

    Management previously declined to guide margins even one quarter ahead; it now expects expansion every quarter this year as cost cuts land.

    Tone shiftQ3 FY2025 → Q2 FY2026

  • Free cash flow reached 24% of revenue as capital spending fell

    Low capital intensity means recovering sales convert into cash quickly, which funds buybacks and debt repayment without new borrowing.

    Filed financials
Bear · 2

  • Reaching the margin target needs far more revenue through the fabs

    Utilization sits well below the low nineties management calls fully used, so a large part of the margin recovery waits on volume that has not arrived.

    Q4 FY2025 call

  • Rising material and foundry costs are not yet offset by higher prices

    Management says price increases take several quarters to reach the margin line, leaving gross margin exposed if input costs keep climbing.

    Q1 FY2026 call

Market Position

In short: ON spans the full power chain, but automotive and industrial demand still sets the cycle.

Bull · 2

  • Content per rack rises roughly tenfold when racks move to 800 volts

    Management estimates about $9,500 of content in a 120-kilowatt rack versus roughly $115,000 at 800 volts, an increase ON products are designed into.

    Q1 FY2026 call

  • Lead times stretched to about 32 weeks with orders placed inside them

    Earlier in the cycle lead times were around 20 weeks with flat demand; the extension and rush orders point to tightening supply and longer visibility.

    Tone shiftQ3 FY2025 → Q2 FY2026
Bear · 3

  • Revenue fell nearly in half in the last severe industry downturn

    Automotive and industrial customers cut orders at the same time in a slump, so sales and margins can fall much further than current trends suggest.

    Filed financials

  • AI data center power is attracting well-funded competitors

    The company's own filings flag intense competition for AI power designs, and rivals with broader catalogs can contest the same sockets.

    10-K, filed 2026-02-09

  • Tariffs and export controls can raise costs and limit where ON sells

    Trade policy shifts can raise the cost of parts ON buys and restrict where its products can be shipped, a risk the filings name directly.

    10-K, filed 2026-02-09