Alpha and Omega Semiconductor Limited
- Open
- 45.32
- Day high
- 45.37
- Day low
- 43.19
- Prev close
- 47.33
- Volume
- 305K
- Mkt cap
- $1.3B
- P/E (TTM)
- —
- EPS (TTM)
- —
- P/B
- 1.6
- P/S
- 1.9
- Yield
- —
- Per share
- —
- ▼Insiders net selling -$2.5M over the last 3 months (0 open-market buys, 13 sales)
- 🏛Institutions mixed (13F)
Alpha and Omega Semiconductor Limited (AOSL) is a Technology company listed on NASDAQ. The stock is up 78% over the past year. Over the trailing 3 months, insiders filed 0 open-market buys and 13 sales (SEC Form 4).
Alpha and Omega Semiconductor Limited (AOSL) financials & analyst ratings
Fundamentals (TTM)
Analyst consensus · 4 analysts
Source: exchange market data + company filings. Figures are trailing-twelve-month or as most recently reported. For informational purposes only — not investment advice.
AOSL earnings date, history & EPS estimates
| Report date | EPS est | EPS actual | Surprise | Revenue | Rev. surprise |
|---|---|---|---|---|---|
| May 6, 2026 | $-0.34 | $-0.28 | +17.6% | $164M | +2.3% |
| Feb 5, 2026 | $-0.08 | $-0.16 | -100.0% | $162M | +1.4% |
| Nov 5, 2025 | $0.10 | $0.13 | +30.0% | $183M | +2.7% |
| Aug 6, 2025 | $-0.01 | $0.02 | +300.0% | $176M | -2.6% |
| Feb 5, 2025 | $0.08 | $0.09 | +12.5% | $173M | +1.8% |
| Feb 6, 2024 | $0.15 | $0.24 | +60.0% | $165M | +0.2% |
| May 4, 2023 | $-0.21 | $-0.21 | +0.0% | $133M | +1.9% |
| Feb 6, 2023 | $0.91 | $0.67 | -26.4% | $189M | -3.2% |
| Nov 3, 2022 | $1.21 | $1.20 | -0.8% | $208M | -0.7% |
| Aug 10, 2022 | $0.86 | $0.95 | +10.5% | $194M | +2.1% |
| May 5, 2022 | $1.18 | $1.34 | +13.6% | $203M | +4.7% |
| Feb 7, 2022 | $1.05 | $1.20 | +14.3% | $193M | +2.8% |
AOSL insider trading activity (SEC Form 4)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 17, 2026 | Xue Bingofficer: EVP-WW Sales & Bus Development | Sell | 4,916 | $47.09 |
| May 26, 2026 | Chen Claudiadirector | Sell | 217 | $40.54 |
| May 26, 2026 | Chen Claudiadirector | Sell | 3,844 | $39.47 |
| May 20, 2026 | Xue Bingofficer: EVP-WW Sales & Bus Development | Sell | 4,916 | $41.00 |
| Apr 20, 2026 | Liang Yifanofficer: CFO and Corp Secretary | Sell | 8,625 | $35.00 |
| Apr 20, 2026 | Chang Stephen Chunpingdirector, officer: Chief Executive Officer | Sell | 3,481 | $33.90 |
| Apr 20, 2026 | Chang Stephen Chunpingdirector, officer: Chief Executive Officer | Sell | 1,492 | $32.90 |
| Apr 20, 2026 | Xue Bingofficer: EVP-WW Sales & Bus Development | Sell | 1,832 | $31.21 |
| Apr 20, 2026 | Chang Stephen Chunpingdirector, officer: Chief Executive Officer | Sell | 9,911 | $34.90 |
| Apr 16, 2026 | Chang Stephen Chunpingdirector, officer: Chief Executive Officer | Sell | 5,594 | $31.90 |
| Apr 16, 2026 | Liang Yifanofficer: CFO and Corp Secretary | Sell | 11,187 | $32.00 |
| Apr 16, 2026 | Liang Yifanofficer: CFO and Corp Secretary | Sell | 7,939 | $30.00 |
| Apr 16, 2026 | Liang Yifanofficer: CFO and Corp Secretary | Sell | 7,391 | $29.00 |
| Mar 25, 2026 | Li Wenjunofficer: Chief Operating Officer | Tax | 2,288 | $21.43 |
| Mar 25, 2026 | Li Wenjunofficer: Chief Operating Officer | Grant | 10,000 | — |
Source: AOSL SEC Form 4 filings, latest Jun 17, 2026. For informational purposes only — not investment advice.
See the full AOSL insider & 13F page →Alpha and Omega Semiconductor Limited company profile
Overview
Alpha and Omega Semiconductor Limited (NASDAQ:AOSL) is a fabless semiconductor company founded in 2000 and headquartered in Sunnyvale, California. The company went public in April 2010 and has established itself as a designer and supplier of power semiconductor solutions serving computing, consumer electronics, communications, and industrial markets globally. Alpha and Omega operates with a focus on transforming from a traditional component supplier into a comprehensive solutions provider, leveraging its expertise in high-performance silicon design, advanced packaging technologies, and intelligent integrated circuits.
Business
Alpha and Omega Semiconductor operates in the power semiconductor industry, which involves designing and manufacturing electronic components that control and manage electrical power in electronic devices. The company's core business revolves around power management semiconductors - specialized chips that regulate voltage, current, and power consumption in everything from smartphones to data center servers. The company's product portfolio is divided into two main categories. Power discrete products represent the larger portion of their business, including Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs), which act as electronic switches that can rapidly turn power on and off or regulate power flow. These components are essential in applications ranging from smartphone chargers and laptop power adapters to electric vehicle motor drives and solar inverters. The company also produces specialized variants like SRFETs, XSFETs, and Insulated Gate Bipolar Transistors (IGBTs) for different performance requirements. The second category comprises power integrated circuits (Power ICs), which are more sophisticated chips that not only deliver power but also actively control and regulate power management variables such as current flow and voltage levels. These are used in flat panel displays, graphics cards, servers, and networking equipment where precise power control is critical. Alpha and Omega's revenue is distributed across four main market segments: Computing accounts for approximately 44-48% of revenue, encompassing notebooks, desktops, servers, and increasingly AI accelerator cards. The Consumer segment represents about 13-17% of revenue, covering smartphones, gaming devices, and home appliances. Communications contributes 17-19% through base stations and networking equipment. The Power Supply and Industrial segment makes up 17-20% of revenue, serving applications in motor drives, power tools, solar inverters, and industrial equipment.
Revenue model
Alpha and Omega Semiconductor generates revenue primarily through product sales of its power semiconductor components to original equipment manufacturers (OEMs) and contract manufacturers. The company operates a fabless business model, meaning it designs the semiconductors but outsources the actual manufacturing to foundry partners, allowing it to focus on high-value design and engineering while maintaining lower capital requirements. The company's customers are primarily B2B clients including major electronics manufacturers, power supply companies, and system integrators who incorporate Alpha and Omega's components into their final products. Revenue is generated when these customers purchase the semiconductor components, with pricing typically based on volume commitments and technical specifications. Several factors significantly impact the company's margins and profitability. Product mix is crucial - higher-performance, application-specific solutions command premium pricing compared to commodity products. The company has been strategically shifting toward more sophisticated solutions like multi-phase controllers and intelligent power stages that can increase their bill-of-materials content per customer application from $5-6 to potentially $15-20 or more. Factory utilization rates at their foundry partners directly affect margins, as higher volumes spread fixed costs across more units. Competitive dynamics create pricing pressure, with the industry typically experiencing high single-digit annual price erosion. End-market demand cycles significantly impact volumes, particularly in computing and consumer electronics where inventory corrections can cause sharp revenue declines. Geopolitical factors including trade tensions and tariffs can affect supply chains and customer demand patterns, though the company reports minimal direct tariff exposure due to limited U.S. shipments.
Competitive moat
Alpha and Omega Semiconductor operates in a highly competitive semiconductor industry with limited sustainable competitive advantages. The company's primary moat lies in its customer relationships and design-in wins, where once their components are integrated into a customer's product design, there are switching costs and engineering inertia that provide some protection. The semiconductor design process involves significant collaboration between Alpha and Omega's engineers and their customers, creating technical relationships that can be difficult for competitors to displace. The company's application-specific expertise in power management provides some differentiation, particularly as they transition toward becoming a total solutions provider rather than just a component supplier. Their ability to offer integrated solutions combining power stages, controllers, and thermal management gives them an advantage in complex applications like AI accelerator cards and data center equipment. However, the company's moat is relatively weak overall. The power semiconductor industry is characterized by intense competition, with numerous established players and new entrants. Technology differentiation is often temporary, as competitors can reverse-engineer and develop similar solutions. The fabless model, while capital-efficient, means Alpha and Omega doesn't control its manufacturing destiny and competes for foundry capacity with larger, better-funded rivals. The company faces potential disruption from vertical integration by large customers who might develop their own power management solutions, and from technology shifts such as the adoption of wide-bandgap semiconductors like Silicon Carbide and Gallium Nitride, which could make traditional silicon-based solutions obsolete in certain applications. The cyclical nature of the semiconductor industry and the commodity-like pricing pressure further limit the sustainability of any competitive advantages.
Risks & safety
Alpha and Omega Semiconductor presents a moderate margin of safety from a financial stability perspective, though profitability remains challenged. • Strong balance sheet: $169 million in cash and short-term investments as of Q3 2025, with minimal debt (debt-to-equity ratio of 0.06). Current ratio of 2.57 indicates strong liquidity position. • Limited cash burn risk: Despite recent losses, the company generates positive operating cash flow ($7.4 million in Q3 2025) and maintains substantial cash reserves providing significant runway. • Valuation metrics mixed: Trading at 0.83x book value suggests potential undervaluation, but EV/EBITDA of 17.3x appears elevated given modest EBITDA generation. Recent losses make P/E ratio meaningless. • Cyclical profitability concerns: Company has been unprofitable for recent quarters despite revenue recovery, raising questions about operational leverage and cost structure efficiency. • Industry headwinds: Ongoing inventory corrections and competitive pricing pressure in core markets create uncertainty about return to consistent profitability.
Recent development
Over the past few years, Alpha and Omega Semiconductor has undergone a significant strategic transformation aimed at evolving from a traditional component supplier to a comprehensive solutions provider. This shift involves expanding beyond discrete power semiconductors to offer integrated solutions that combine power stages, controllers, and intelligent power management systems. The company has made substantial investments in developing AI and data center solutions, recognizing the massive opportunity in graphics cards and AI accelerator applications. They have successfully increased their bill-of-materials content in graphics applications from traditional $5-6 per unit to potentially $15-20 or more by providing multi-phase controllers and power stages. The company has secured initial design wins in data center applications and expects to launch AI data center products by mid-2025. Alpha and Omega has also strengthened its position in the smartphone market, maintaining leadership in battery protection circuits while expanding into power management solutions for emerging trends like foldable screens, AI integration, and faster charging technologies. The company has been investing in emerging growth markets including e-mobility, solar energy, power tools, and industrial motor drives. From an operational standpoint, the company has been managing through significant industry headwinds including inventory corrections across end markets and competitive pricing pressures. They have focused on optimizing their product mix toward higher-value, application-specific solutions while maintaining strong customer relationships. Recent quarters have shown revenue recovery in key segments, though profitability remains pressured by market conditions and the ongoing transition in their business model.
AOSL company profile · for informational purposes only — not investment advice.
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