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NASDAQ · AOSLTechnologySemiconductors

Alpha and Omega Semiconductor Limited (AOSL)

$21.17−4.38%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$21.17▼ 19.51% in range
Nov 4, 2025Low $17.47 · High $53.32Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

Alpha and Omega Semiconductor Limited closed at $21.17 on Nov 4, down 4.38%, 60.3% below its 52-week closing high. Volume of 533.7K shares was 1.07× its 20-day average (close to normal).

Split-adjusted performance: -29.3% over one month, -57.1% over six months, -25.5% over one year.

In the quarter ended Jun 30, 2026, revenue was $170.37M, down 3.5% from a year earlier, with a net margin of -7.7%.

Short interest was 3.2M shares at the Oct 15 settlement, up 7.7% from the prior report (12.6% of float, 6.5 days to cover).

Market cap$641.6M30.3M shares
Revenue · quarter$170.4M−3.5% YoY
Diluted EPS$-0.43—
P/E · TTM—P/S 0.9×
Net margin-7.7%Gross 23.1%
Dividend yieldNone
52-week range17.47 – 53.32−60.3% from high
Volume533.7K1.07× 20-day avg
Volatility · 60d72.2%Annualised
Short % of float12.6%6.5 days to cover
Net cash$175.9MCash $180.8M
Next earnings—Not scheduled
Split-adjusted performance
1W −14.2%1M −29.3%3M −36.5%6M −57.1%YTD +6.9%1Y −25.5%3Y −9.8%5Y −34.9%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Semiconductors

Percentile among 83 companies (100 = best)

6-month momentum15
Revenue growth18
Net margin28
Value (low P/E)—
Size26

Industry medians: 6-month return −31.2%, revenue growth +24.6%, net margin 8.1%, P/E 46.8×.

Short interest

Details →
Shares short3.2M+7.7% vs prior
Days to cover6.5Settled Oct 15
% of float12.6%
Short vol. 10d66.6%of daily volume

Closest peers by size in Semiconductors

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
AOSLAlpha and Omega Semiconductor Limited$21.17−4.38%−57.1%−3.5%−7.7%—$641.6M
VPGVishay Precision Group$49.37−8.98%−22.3%+11.7%−2.0%166.6$657.6MCompare
KOPNKopin$3.35−6.94%−31.8%+50.6%6.5%76.9$605.1MCompare
TET1 Energy$2.73−3.53%−48.2%———$817.6MCompare
ARRYArray Technologies$5.33+14.87%−34.4%−5.6%2.5%—$820.9MCompare
LPTHLightpath Technologies$7.10−9.09%−44.8%+73.3%−19.6%—$497.3MCompare
AIPArteris$18.10−2.84%−42.4%+46.2%−58.3%—$889.7MCompare
AMBQAmbiq Micro$41.54−7.03%+0.5%—−21.0%—$1.00BCompare
NVECNVE$78.79−1.99%−8.7%−8.1%54.4%21.3$381.7MCompare

News about Alpha and Omega Semiconductor Limited

All news →
Alpha and Omega Semiconductor Stock Has Doubled This Year. Is It Still a Buy?The Motley Fool · Jun 25, 2026NeutralAn Alpha and Omega Semiconductor Insider Sold Nearly 5,000 Company Shares. What Does That Mean for Investors?The Motley Fool · Jun 22, 2026NeutralWhy Are Alpha And Omega Semiconductor Shares Up On Tuesday?Benzinga · May 26, 2026▲ PositiveWhy Alpha & Omega Semiconductor Shares Are Dipping Today?Benzinga · May 7, 2026▼ Negative

Quick answers

What does Alpha and Omega Semiconductor Limited do?
Alpha & Omega Semiconductor Ltd designs, develops and supplies a portfolio of power semiconductors targeting various applications, including personal computers, flat-panel TVs, LED lighting, smartphones, battery packs, consumer and industrial motor controls and power supplies for TVs, computers, servers and telecommunications equipment. It generates revenue mainly from the sale of power semiconductors, consisting of power discretes and power ICs with a presence in Hong Kong, China, South Korea, the United States and Other countries.
What is AOSL's market cap?
$641.56M, based on the Nov 4 close of $21.17.
Does Alpha and Omega Semiconductor Limited pay a dividend?
No regular cash dividend has been paid in the last year.
How much of AOSL is sold short?
3.2M shares, 12.6% of float, as of Oct 15, 2026.
What sector is AOSL in?
Technology, in the Semiconductors industry.

About Alpha and Omega Semiconductor Limited

Alpha & Omega Semiconductor Ltd designs, develops and supplies a portfolio of power semiconductors targeting various applications, including personal computers, flat-panel TVs, LED lighting, smartphones, battery packs, consumer and industrial motor controls and power supplies for TVs, computers, servers and telecommunications equipment. It generates revenue mainly from the sale of power semiconductors, consisting of power discretes and power ICs with a presence in Hong Kong, China, South Korea, the United States and Other countries. The company is operates in one operating segment: the design, development and supply of power semiconductor products for computing, consumer electronics, communication and industrial applications.

HQ: Sunnyvale, CA2,519 employeesListed Apr 29, 2010aosmd.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology