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AOSLAlpha and Omega Semiconductor Limited
$34.77$1.0B
Overview & Verdict
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AOSL logoAlpha and Omega Semiconductor Limited(AOSL)Earnings, Financials & Key Ratios

AOSL•NASDAQ
$34.77
Price updated Jul 7, 2026
SectorTechnologyIndustrySemiconductorsSub-IndustryPower Semiconductors and Discretes
AboutAlpha and Omega Semiconductor Limited designs, develops, and supplies power semiconductor products for computing, consumer electronics, communication, and industrial applications in Hong Kong, China, South Korea, the United States, and internationally. It offers power discrete products, including metal-oxide-semiconductor field-effect transistors (MOSFET), SRFETs, XSFET, electrostatic discharge, protected MOSFETs, high and mid-voltage MOSFETs, and insulated gate bipolar transistors for use in smart phone chargers, battery packs, notebooks, desktop and servers, data centers, base stations, graphics card, game boxes, TVs, AC adapters, power supplies, motor control, power tools, e-vehicles, white goods and industrial motor drives, UPS systems, solar inverters, and industrial welding. The company also provides power ICs that deliver power, as well as control and regulate the power management variables, such as the flow of current and level of voltage. Its power ICs are used in flat panel displays, TVs, Notebooks, graphic cards, servers, DVD/Blu-Ray players, set-top boxes, and networking equipment. In addition, the company offers aMOS5 MOSFET for quick charger, adapter, PC power, server, industrial power, telecom, and datacenter applications; and Transient Voltage Suppressors for laptops, televisions, and other electronic devices. Further, it provides EZBuck regulators; SOA MOSFET for hot swap applications; RigidCSP for battery management; and Type-C power delivery protection switches. The company was incorporated in 2000 and is headquartered in Sunnyvale, California.Show more
  • Revenue$696M+5.9%
  • EBITDA$34M-32.1%
  • Net Income-$97M-775.2%
  • EPS (Diluted)-3.30-746.2%
  • Gross Margin23.13%-11.6%
  • EBITDA Margin4.88%-35.9%
  • Operating Margin-4.08%-614.7%
  • Net Margin-13.93%-726.3%
  • ROE-11.32%-806.6%

AOSL Price & Volume

Alpha and Omega Semiconductor Limited (AOSL) stock price & volume — 10-year historical chart

Loading chart...

Persistent Margin Compression Amidst Stagnant Revenue Growth

Investment Thesis • Updated 2026Q3

VerdictNegative
Growth:Mixed
Profitability:Negative
Financial:Healthy
Cash Flow:Deteriorating
Primary Risk:Cyclical manufacturing capacity underutilization

Key Thesis Takeaways

  • Alpha and Omega Semiconductor faces a challenging outlook characterized by stagnant revenue, which declined 0.5% year-over-year in 2026Q3, and persistent operational losses that have eroded retained earnings to $504.6 million.
  • While the company maintains a defensive balance sheet with a low 0.04 debt-to-equity ratio, the lack of operating leverage and a significant decline in deferred revenue to $1.3 million suggest limited near-term visibility.
  • Investors should remain cautious as the firm navigates cyclical demand headwinds and binary geopolitical risks associated with its China-centric manufacturing footprint.

Verdict Logic

the company's inability to generate consistent positive operating income, coupled with a 2026Q3 negative free cash flow of -$20.3 million, suggests that the current valuation of 35.76x EV/EBITDA is not supported by underlying cash generation.

AOSL Growth Metrics

Alpha and Omega Semiconductor Limited (AOSL) revenue, earnings & EPS growth — 3, 5 & 10-year CAGR

Revenue CAGR

10 Years7.82%
5 Years8.41%
3 Years-3.62%
TTM0.6%

Profit CAGR

10 Years-
5 Years-
3 Years-
TTM-240.23%

EPS CAGR

10 Years-
5 Years-
3 Years-
TTM-356.08%

Return on Capital

10 Years2.43%
5 Years4.13%
3 Years-0.41%
Last Year-3.04%

AOSL Recent Earnings

Alpha and Omega Semiconductor Limited (AOSL) EPS & revenue vs analyst estimates — last 4 quarters

Full history →
●Beat EPS 10/12 qtrs (83%)●Beat Revenue 11/12 qtrs (92%)
Q2 2026Latest
May 6, 2026
Metric
Actual
Est
EPS
$0.28+17.6%
$0.34
Rev
$164M+2.3%
$160M
Q1 2026
Feb 5, 2026
Metric
Actual
Est
EPS
$0.16-100.0%
$0.08
Rev
$162M+1.0%
$161M
Q4 2025
Nov 5, 2025
Metric
Actual
Est
EPS
$0.13+30.0%
$0.10
Rev
$183M+2.7%
$178M
Q3 2025
Aug 6, 2025
Metric
Actual
Est
EPS
$0.02+300.0%
$0.01
Rev
$176M-2.6%
$181M
QuarterDateEPS (Act vs Est)Revenue (Act vs Est)
Q2 2026LatestMay 6, 2026
$0.28vs $0.34+17.6%
$164Mvs $160M+2.3%
Q1 2026Feb 5, 2026
$0.16vs $0.08-100.0%
$162Mvs $161M+1.0%
Q4 2025Nov 5, 2025
$0.13vs $0.10+30.0%
$183Mvs $178M+2.7%
Q3 2025Aug 6, 2025
$0.02vs $0.01+300.0%
$176Mvs $181M-2.6%
Based on last 12 quarters of dataView full earnings history →

Latest AOSL News

Recent stock market news and headlines for Alpha and Omega Semiconductor Limited (AOSL)

GuruFocus·23h ago
Alpha and Omega Semiconductor Unveils AmpStack™ Packaging: A Leap Forward in MOSFET Power Density

[url="]Alpha and Omega Semiconductor Limited[/url] (AOS) (Nasdaq: AOSL), a designer, developer, and global supplier of a broad range of discrete power devices,

Business Wire·1 day ago
Alpha and Omega Semiconductor Unveils AmpStack™ Packaging: A Leap Forward in MOSFET Power Density

SUNNYVALE, Calif.--(BUSINESS WIRE)--Alpha and Omega Semiconductor Limited (AOS) (Nasdaq: AOSL), a designer, developer, and global supplier of a broad range of discrete power devices, wide band gap power devices, power management ICs, and modules, today introduced its AOPL66801 80V MOSFET in a half-bridge configuration available in a state-of-the-art DFN6x5 AmpStack™ MOSFET package. This breakthrough packaging technology enables high-density designs for various power conversion applications, ran.

GuruFocus·Jun 30, 2026
Alpha & Omega Semiconductor Ltd (AOSL) Shares Surge 4.7% -- What GF Score of 71 Tells Investors

On June 30, 2026, Alpha and Omega Semiconductor Ltd (AOSL) shares rose 4.7% to $47.25. The stock has experienced significant volatility over the past year, with a

The Motley Fool·Jun 25, 2026
Alpha and Omega Semiconductor Stock Has Doubled This Year. Is It Still a Buy?

Alpha and Omega Semiconductor's advanced computing segment is growing at an impressive rate, but those gains are currently buried under weaker performances from its other businesses. Demand for the company's medium-voltage solutions is growing among hyperscaler customers.

The Motley Fool·Jun 22, 2026
An Alpha and Omega Semiconductor Insider Sold Nearly 5,000 Company Shares. What Does That Mean for Investors?

Bing Xue sold 4,916 shares of Common Stock for a transaction value of ~$231,000 on June 16, 2026. After this transaction, Xue's Common Stock holdings totaled 123,660 shares.

Peers Comparison

Key metrics vs top competitors for Alpha and Omega Semiconductor Limited (AOSL)

Full Screener →
CompanyPriceMarket CapP/E RatioRev Growth (1Y)Net MarginROEDiv Yield
AOSL logoAOSLAlpha and Omega Semiconductor LimitedCurrent
$34.77$1.04B-10.545.92%-13.93%-11.32%—
DIOD logoDIODDiodes Incorporated
$91.57$4.21B64.0413.04%5.5%4.4%—
POWI logoPOWIPower Integrations, Inc.
$66.84$3.72B171.375.85%3.72%2.44%—
MPWR logoMPWRMonolithic Power Systems, Inc.
$1272.81$62.53B99.8326.43%22.84%19.05%—
SMTC logoSMTCSemtech Corporation
$126.40$11.77B-274.78—-3.25%-6.43%—
ON logoONON Semiconductor Corporation
$91.10$35.7B314.14-15.35%9.46%7.43%—

Compare AOSL vs Peers

Alpha and Omega Semiconductor Limited (AOSL) vs competitors — business, growth, and fundamentals comparison against the closest industry rivals.

Closest Rival

vs DIOD

Most directly comparable listed peer for AOSL.

Scale Benchmark

vs NVDA

Larger-name benchmark to compare AOSL against a more recognizable public peer.

Peer Set

Compare Top 5

vs DIOD, POWI, MPWR, SMTC

AOSL SEC Filings & Documents

Alpha and Omega Semiconductor Limited (AOSL) SEC filings — annual & quarterly reports (10-K, 10-Q)

8-K Announcements

6
Material company update

May 6, 2026·SEC

Material company update

Apr 17, 2026·SEC

Material company update

Mar 9, 2026·SEC

10-K Annual Reports

4
FY 2025

Aug 28, 2025·SEC

FY 2024

Aug 23, 2024·SEC

FY 2023

Aug 29, 2023·SEC

10-Q Quarterly Reports

6
FY 2026

May 6, 2026·SEC

FY 2026

Feb 5, 2026·SEC

FY 2025

Nov 6, 2025·SEC

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AOSL Frequently Asked Questions

Alpha and Omega Semiconductor Limited (AOSL) stock FAQ — growth, dividends, profitability & financials explained

Growth & Financials
What is Alpha and Omega Semiconductor Limited's revenue?

Alpha and Omega Semiconductor Limited (AOSL) reported $685.0M in revenue for fiscal year 2025. This represents a 176% increase from $248.0M in 2008.

How fast is Alpha and Omega Semiconductor Limited growing?

Alpha and Omega Semiconductor Limited (AOSL) grew revenue by 5.9% over the past year. This is steady growth.

Is AOSL profitable?

Alpha and Omega Semiconductor Limited (AOSL) reported a net loss of $77.1M for fiscal year 2025.

Dividend & Returns
What is AOSL's return on equity?

Alpha and Omega Semiconductor Limited (AOSL) has a return on equity (ROE) of -11.3%. Negative ROE indicates the company is unprofitable.

What is Alpha and Omega Semiconductor Limited's free cash flow?

Alpha and Omega Semiconductor Limited (AOSL) had negative free cash flow of $60.6M in fiscal year 2025, likely due to heavy capital investments.

What if you invested $1,000 in AOSL back in 2008?

Total return calculator · dividends reinvested · 18+ years of data

See returns →