Institutional shares held 21.6 Million
107K calls
76K puts
Total value of holdings $398M
$1.97M calls
$1.4M puts
Market Cap $506M
27,401,300 Shares Out.
Institutional ownership 78.75%
# of Institutions 200


Latest Institutional Activity in AOSL

Top Purchases

Q3 2025
Millennium Management LLC Shares Held: 638K ($11.8M)
Q3 2025
Jpmorgan Chase & CO Shares Held: 159K ($2.93M)
Q3 2025
Manufacturers Life Insurance Company, The Shares Held: 1.56M ($28.7M)
Q3 2025
Sg Americas Securities, LLC Shares Held: 127K ($2.35M)
Q3 2025
Wellington Management Group LLP Shares Held: 865K ($16M)

Top Sells

Q3 2025
Boston Partners Shares Held: 787K ($14.5M)
Q3 2025
Goldman Sachs Group Inc Shares Held: 370K ($6.84M)
Q3 2025
State Street Corp Shares Held: 1.21M ($22.4M)
Q3 2025
Susquehanna International Group, LLP Shares Held: 21.9K ($405K)
Q3 2025
Two Sigma Investments, LP Shares Held: 162K ($3M)

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
315K Shares
From 12 Insiders
Grant, award, or other acquisition 315K shares
Sell / Disposition
298K Shares
From 12 Insiders
Payment of exercise price or tax liability 169K shares
Open market or private sale 56.8K shares
Bona fide gift 72.4K shares

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