Institutional shares held 20.7 Million
136K calls
58.2K puts
Total value of holdings $566M
$3.72M calls
$1.59M puts
Market Cap $748M
27,401,300 Shares Out.
Institutional ownership 75.69%
# of Institutions 181


Latest Institutional Activity in AOSL

Top Purchases

Q2 2025
Millennium Management LLC Shares Held: 405K ($11.1M)
Q2 2025
Goldman Sachs Group Inc Shares Held: 469K ($12.8M)
Q2 2025
Boston Partners Shares Held: 1.11M ($30.3M)
Q2 2025
Manufacturers Life Insurance Company, The Shares Held: 1.41M ($38.5M)
Q2 2025
Two Sigma Investments, LP Shares Held: 197K ($5.38M)

Top Sells

Q2 2025
Invesco Ltd. Shares Held: 328K ($8.96M)
Q2 2025
Wellington Management Group LLP Shares Held: 752K ($20.5M)
Q2 2025
Ubs Group Ag Shares Held: 21.9K ($599K)
Q2 2025
Dimensional Fund Advisors LP Shares Held: 1.72M ($47M)
Q2 2025
Morgan Stanley Shares Held: 241K ($6.58M)

About AOSL

Alpha 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.


Insider Transactions at AOSL

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
306K Shares
From 12 Insiders
Grant, award, or other acquisition 306K shares
Sell / Disposition
277K Shares
From 13 Insiders
Payment of exercise price or tax liability 168K shares
Open market or private sale 66.5K shares
Bona fide gift 42.4K shares

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