Institutional shares held 22.1 Million
158K calls
160K puts
Total value of holdings $459M
$3.27M calls
$3.31M puts
Market Cap $568M
27,401,300 Shares Out.
Institutional ownership 80.75%
# of Institutions 171


Latest Institutional Activity in AOSL

Top Purchases

Q1 2025
Wellington Management Group LLP Shares Held: 908K ($18.8M)
Q1 2025
Hood River Capital Management LLC Shares Held: 1.99M ($41.2M)
Q1 2025
Robeco Schweiz Ag Shares Held: 782K ($16.2M)
Q1 2025
Invesco Ltd. Shares Held: 760K ($15.7M)
Q1 2025
Boston Partners Shares Held: 595K ($12.3M)

Top Sells

Q1 2025
Dimensional Fund Advisors LP Shares Held: 1.84M ($38.2M)
Q1 2025
Citadel Advisors LLC Shares Held: 16.5K ($343K)
Q1 2025
Boothbay Fund Management, LLC Shares Held: 25.1K ($521K)
Q1 2025
Vanguard Group Inc Shares Held: 2.34M ($48.5M)
Q1 2025
American Century Companies Inc Shares Held: 52.6K ($1.09M)

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
316K Shares
From 13 Insiders
Grant, award, or other acquisition 306K shares
Exercise of conversion of derivative security 10K shares
Sell / Disposition
291K Shares
From 13 Insiders
Payment of exercise price or tax liability 169K shares
Open market or private sale 79.9K shares
Bona fide gift 42.4K shares

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