ALPHA & OMEGA SEMICONDUCTOR Ltd
Alpha and Omega Semiconductor Limited (Nasdaq: AOSL) designs, develops and supplies power semiconductors used to deliver, manage and switch electricity in electronic systems. Its products include power discrete devices, such as low-, medium- and high-voltage MOSFETs and IGBTs, and power integrated circuits for power… From the company’s description.
Over the twelve months to Sep 30, 2026, ALPHA & OMEGA SEMICONDUCTOR Ltd reported revenue of $674.18M, down 3.2% from a year earlier, and a net loss of $46.29M. Its operating margin was −7.1%, and operations used $20.92M in cash. In fiscal 2026, it reported revenue of $678.93M, down 2.5% from fiscal 2025, and a net loss of $42.27M.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What ALPHA & OMEGA SEMICONDUCTOR Ltd does
In the company’s own words
Alpha and Omega Semiconductor Limited (Nasdaq: AOSL) designs, develops and supplies power semiconductors used to deliver, manage and switch electricity in electronic systems. Its products include power discrete devices, such as low-, medium- and high-voltage MOSFETs and IGBTs, and power integrated circuits for power management and delivery. Customers include original equipment manufacturers and original design manufacturers serving computing, consumer electronics, communications, power supply and industrial applications; products are sold mainly through distributors. The company’s approximately 2,900-product portfolio serves applications including computers, graphics cards, AI data centers, game consoles, appliances, power tools, smartphones, battery packs and telecommunications equipment. It operates one reportable business and combines in-house research, wafer fabrication, packaging and testing with third-party foundries and subcontractors. In fiscal 2026, revenue was $ million and the company had 2,519 employees as of June 30, 2026. Its manufacturing includes an Oregon wafer fabrication facility and packaging and testing facilities in China, as well as capacity from a joint venture in Chongqing. Its website is www.aosmd.com.
Company details
- Sector
- Information Technology
- Industry (SIC)
- Semiconductors
- Headquarters
- SUNNYVALE, CA
- Fiscal year end
- June
- CIK
- 1387467
- SIC
- 3674
Financial performance, year by year
Fiscal 2012–2026 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns ALPHA & OMEGA SEMICONDUCTOR Ltd — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · ALPHA & OMEGA SEMICONDUCTOR Ltd’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
Compare this company with peers, find it in your funds and follow its financial history with your connected AI:
- “How do ALPHA & OMEGA SEMICONDUCTOR Ltd and its peers compare on margins and cash generation over ten years?”
- “Where did five years of ALPHA & OMEGA SEMICONDUCTOR Ltd's earnings go — cash, debt, buybacks, reinvestment?”
- “What changed in ALPHA & OMEGA SEMICONDUCTOR Ltd's last four quarterly filings that the numbers alone won't show?”