Key Highlights

  • Alpha and Omega Semiconductor (NASDAQ:AOSL) was trading up 22.62% at USD 22.66 on Friday, November 6, 2026, a day after fiscal first-quarter results released on November 5, 2026.
  • Revenue for the quarter ended September 30, 2026 was USD 177.8 million, up 4.3% from the prior quarter but down 2.6% from USD 182.5 million a year earlier.
  • Non-GAAP loss per share narrowed to USD 0.07 from USD 0.13 in the June quarter, while non-GAAP gross Margin improved to 25.2% from 23.7%.
  • AI and server product Revenue grew more than 65% sequentially and 250% year over year, and now exceeds 20% of total sales, according to the company release.

Fiscal First-Quarter Results Land After the Close on November 5

Alpha and Omega Semiconductor (NASDAQ:AOSL) reported fiscal first-quarter 2027 results on November 5, 2026, and the shares were trading sharply higher on Friday, November 6, 2026. The screener shows a gain of 22.62% to USD 22.66, which implies a prior close near USD 18.48 (calculated). The company designs and supplies discrete power devices, wide bandgap devices, power management chips and modules for PCs, data centers, AI servers, smartphones and cars. Quarterly revenue of USD 177.8 million was below the USD 182.5 million of a year earlier but above the USD 170.4 million of the June quarter. GAAP gross margin was 24.5%, against 23.1% in the prior quarter and 23.5% a year ago, so profitability moved in the right direction even though sales were lower than last year.

Why AI and Server Power Chips Steal the Spotlight

The headline number is not total revenue but mix. The chief executive said AI and server products grew more than 65% from the prior quarter and 250% from a year earlier, and that they now make up over 20% of revenue. Communications, power Supply and industrial markets were also described as strong, while traditional PCs and consumer electronics stayed weak. Guidance for the December quarter points to revenue of about USD 180 million, plus or minus USD 10 million, with non-GAAP gross margin near 25.7%, plus or minus 1%. No consensus figures were verified, so this article does not say whether the results beat expectations.

Losses Persist and the Guidance Range Is Wide

The quarter was still a loss. GAAP loss per share was USD 0.20, wider than the USD 0.07 loss a year earlier, although the non-GAAP loss of USD 0.07 compares with non-GAAP Earnings of USD 0.13 in the prior-year quarter. Cash and equivalents were USD 175.2 million, down from USD 180.8 million at June 30, 2026. The guidance range of USD 170 million to USD 190 million is wide, and a share that moves more than 20% in one session can reverse as quickly. Revenue is still below last year's level, so the case rests on the AI mix continuing to climb while PCs and consumer Demand stay soft.

Where Things Stand

The surge appears tied to the fiscal first-quarter release on November 5, 2026, specifically the AI and server growth and a narrower non-GAAP loss, rather than to total revenue, which was down 2.6% from a year earlier. Alpha and Omega Semiconductor (NASDAQ:AOSL) also guided to a modestly higher December quarter and better margins. Cash of USD 175.2 million provides a cushion, but GAAP losses continue and no consensus comparison was verified. Next markers are the December-quarter report, the pace of AI server sales and any recovery in PC and consumer demand.