AOSL
Alpha and Omega Semiconductor Limited

Alpha and Omega Semiconductor LimitedAOSL

Technology · Semiconductors
23.61USD
+27.76%
Nov 08, 2026
AOSL overview ready
Power Semiconductor Supplier for AI Data Center Infrastructure
AOSL is a diversified power-semiconductor designer and supplier.
Primary theme is lagging
Power Semiconductors is lagging (-17.6pp vs SPY over 21 sessions; 0 of 7 members ahead of SPY).
Price trend is broken
Longer-term context reads early recovery, with a near-term setup of failed reclaim.
The tactical setup reads failed reclaim, but the weekly structure is broken.
Fair valuation
The price broadly reflects how its multiples compare with businesses of the same kind, with upside and risk reasonably….
Solid fundamentals
Ev / sales is strong.
Primary risk
Declining semiconductor demand impacting revenue growth.
Market Nov 6Filing Sep 30Price action Nov 7Research Jul 21

Conviction Level

PriceAction3.4BusinessPerformance2.0BusinessQuality3.6Valuation5.1ThemeMomentum1.0Weakening — Revenue fell 3% year over year in the latest quarter. The company is still loss-making: the diluted loss per share widened to -$0.20 from -$0.07 a year earlier. — From filed financial statements. Describes the recent trajectory of the business, not the stock. 20 of the 100 Conviction points.

Conviction uses Price Action, Business Performance, Business Quality, Valuation. Theme Momentum is research context, not an input.

Theme momentumPrimary theme · group context, not entry timing
vs SPY
−17.6pp
Theme return
−22.6%
Beating SPY
0 of 7
21 sessions to Nov 6, 2026 · Theme Leadership V2
Price
Loading price history…

Price Action

Price trend is broken
Longer-term context reads early recovery, with a near-term setup of failed reclaim.
The tactical setup reads failed reclaim, but the weekly structure is broken.
EntryWeak / unconfirmed recovery

The daily chart may be improving, but the weekly fast averages have not been reclaimed — the recovery is not yet confirmed on the higher timeframe.

Key Financials

Market Cap
$715.7M
Avg Volume (60D)
560.7K
60 sessions
Revenue Growth YoY
-2.5%
FY2026 vs FY2025
Gross Margin
+22.6%
Trailing twelve months
Operating Margin
-7.1%
Trailing twelve months
Free Cash Flow Yield
-10.1%
Distance from 200DMA
-22.5%
P/E
N/M
EV / EBITDA
54.7x
EV / Sales
0.8x
Market metrics as of Nov 6, 2026
Financial results for the period ended Sep 30, 2026
Filed balance-sheet data as of Sep 30, 2026

Business Performance

Weakening

Revenue fell 3% year over year in the latest quarter. The company is still loss-making: the diluted loss per share widened to -$0.20 from -$0.07 a year earlier.

Latest reported: Q1 FY2027, ended Sep 30
Revenue growthDeclining
-2.6%
$178M in Q1 FY2027 · YoY
YoY growth, last 4 quarters
  1. -6.3%
  2. -0.5%
  3. -3.5%
  4. -2.6%
Earnings growthLoss widening
-$0.20
Diluted EPS -$0.20 vs -$0.07 a year earlier · GAAP
Too few comparable EPS quarters: a loss or a turn to profit has no meaningful percentage.
Operating marginContracting
-5.1%
-2.6 pp YoY · gross margin 24.5% (+1.0 pp)
The business is consuming cash

Business Quality

3.6 / 10

How well the business earns on its assets, converts earnings to cash and funds itself — read from its SEC filings.

Fundamentals & Valuation

The available comparisons disagreed; the peers comparison is the more reliable method for this business and the others are published as dissent.
Alpha and Omega Semiconductor Limited has a Fair valuation stance because the price broadly reflects how its multiples compare with businesses of the same kind, with upside and risk reasonably balanced.

What changed

  • AOSL rose 27.8% in one session
    AOSL closed +27.8% while the broad market was close to flat (+0.3%).
    2026-11-06

Company Research

Thesis
AOSL is a diversified power-semiconductor designer and supplier. Its portfolio includes MOSFETs, SiC and GaN devices, IGBTs, power-management ICs, digital-power controllers, gate drivers, and modules serving computing, AI servers and data centers alongside PCs, smartphones, consumer, industrial, automotive, and power-supply markets.
Opportunity
Moderate opportunity
Hyperscaler spending on high-density AI racks requiring electrical distribution, backup power, advanced thermal capacity, and increasingly efficient high-voltage and point-of-load power conversion.
Key risk
Declining semiconductor demand impacting revenue growth.

Economic classification

Loading the economic classification…

Business & Markets

Technology · Semiconductors
What they do

Alpha and Omega Semiconductor Limited designs, develops, and supplies power semiconductor products used in computing, consumer electronics, communication, and industrial applications across multiple international markets.

How it earns

The company generates revenue primarily through transactional sales of semiconductor components to original equipment manufacturers and distributors.

Products & services
Trench MOSFETs
Shielded-Gate low- and mid-voltage MOSFETs
SuperJunction high-voltage MOSFETs
Trench-stop insulated gate bipolar transistors (IGBTs)
Application-specific MOSFETs for smartphone battery management
SiC and GaN devices
Power-management ICs
Digital-power controllers
Gate drivers
Power modules
Customers & end markets
Computing and AI servers
Data centers
PCs
Smartphones
Consumer electronics
Industrial equipment
Automotive
Power supply manufacturers
Market position

A diversified power-semiconductor designer and supplier serving multiple end markets with a broad product portfolio.

Demand drivers
High cyclicality

Semiconductor demand is sensitive to technology cycles, hyperscaler spending, and end-market fluctuations.