Qualcomm Earnings Q4 2026: Stock Plunges 12% As Handset Sales Crash 26%

Qualcomm sits at the center of the mobile-phone chip market, but its earnings now show that business alongside a fast-growing automotive segment. The quarter ended Sept. 27 put those two lines of business in sharp contrast, with handset chip revenue falling while car-chip revenue reached a record. For Qualcomm, the immediate context is a results announcement that investors read alongside a softer outlook.

For handset makers and device builders that depend on Qualcomm, a drop in phone-chip revenue points to a weaker near-term smartphone cycle or at least weaker demand in that part of the portfolio. For auto customers and suppliers, the record automotive figure shows that Qualcomm is building a second revenue stream in connected and in-vehicle chips. That split matters because companies tied to one product line can be exposed when demand shifts, while those with multiple lines can look more balanced.

The tension here is between a legacy smartphone business and newer automotive demand, two markets with very different upgrade cycles and design requirements. Qualcomm’s results show how a chipmaker can still be tied closely to handsets even while it pushes into vehicles, where qualification cycles are longer and relationships with automakers matter more. The Thursday share move also shows that Wall Street still reacts quickly when guidance disappoints, even if one segment is expanding.

Still open is whether the handset decline is a one-quarter setback or part of a longer slide, and whether automotive growth can keep offsetting it in later quarters. Qualcomm’s next update will show whether the record $1.99 billion auto figure holds and whether handset revenue stabilizes after the Sept. 27 quarter. The market will also watch whether the softer outlook changes the balance between these two businesses again.

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