Alpha and Omega Semiconductor Limited (AOSL)

Alpha & Omega Semiconductor Ltd.'s stock experienced a significant rally after April 19, 2024, but touched a 52-week low in April 2025. In August 2025, AOSL reported Q4 sales that rose 9% and beat earnings and revenue estimates. In July 2025, the company announced an agreement to sell approximately 20.3% of its stake in a Chinese joint venture for $150 million. In October 2025, Stifel maintained a "Hold" recommendation on the stock, and the company is scheduled to announce its fiscal first-quarter financial results on November 5, 2025.

Alpha & Omega Semiconductor Ltd. experiences demand seasonality, with the September quarter typically seeing broad-based demand. A seasonal decline is generally expected in the December quarter, primarily driven by products like notebooks, tablets, gaming devices, and TVs, which can be partially offset by strength in desktops, graphics cards, servers, e-mobility, and quick chargers. The calendar first quarter of the year is also typically seasonally soft.

Alpha & Omega Semiconductor Ltd. (AOSL) specializes in power management solutions, offering a broad range of power semiconductors, including power discretes and power integrated circuits (ICs). Key products include MOSFETs, IGBTs, and SiC products, crucial for applications such as personal computers, flat-panel TVs, LED lighting, smartphones, battery packs, consumer and industrial motor controls, power supplies, and AI data centers. The company also provides power ICs that manage current flow and voltage levels.

Alpha & Omega Semiconductor Ltd. has a global presence with operations in the United States, Hong Kong, China, and South Korea. The company leverages global resources for research and development and manufacturing, including an 8-inch wafer fabrication facility in Hillsboro, Oregon, USA, and utilizes third-party foundries.

In July 2025, Alpha & Omega Semiconductor Ltd. reached a resolution with the U.S. Department of Commerce's Bureau of Industry and Security (BIS) to close an investigation into its export control practices, agreeing to a one-time payment of $4.25 million. In January 2024, the U.S. Department of Justice (DOJ) closed its criminal investigation into the company's compliance with export control regulations related to transactions with Huawei and its affiliates, without any charges.

Alpha & Omega Semiconductor Ltd. is primarily owned by institutional shareholders, who hold 72.35% of the company, while insiders own 38.59%. Major institutional owners include BlackRock, Inc., Vanguard Group Inc, and Dimensional Fund Advisors Lp. Mike F. Chang is the largest individual shareholder, owning 14.64% of the company's shares. As of September 2025, institutional ownership percentage fell to 0.1% from 73.1% in June 2025, with VOYA INVESTMENT MANAGEMENT LLC holding the largest institutional position.