Alpha & Omega Semiconductor LTD AOSL
We take great care to ensure that the data presented and summarized in this overview for ALPHA & OMEGA SEMICONDUCTOR Ltd is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding AOSL
View all-
Black Rock Inc. New York, NY3.73MShares$68.8 Million0.0% of portfolio
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Vanguard Group Inc Valley Forge, PA2.45MShares$45.3 Million0.0% of portfolio
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Dimensional Fund Advisors LP Austin, TX1.69MShares$31.2 Million0.01% of portfolio
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Manufacturers Life Insurance Company, The Toronto, A61.56MShares$28.7 Million0.04% of portfolio
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State Street Corp Boston, MA1.21MShares$22.4 Million0.0% of portfolio
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Wellington Management Group LLP Boston, MA865KShares$16 Million0.0% of portfolio
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Boston Partners Boston, MA787KShares$14.5 Million0.02% of portfolio
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Robeco Schweiz Ag785KShares$14.5 Million0.57% of portfolio
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Israel Englander Millennium Management LLC | New York, Ny638KShares$11.8 Million0.01% of portfolio
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Geode Capital Management, LLC Boston, MA607KShares$11.2 Million0.0% of portfolio
Latest Institutional Activity in AOSL
Top Purchases
Top Sells
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
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Nov 14
2025
|
Bing Xue EVP-WW Sales & Bus Development |
SELL
Open market or private sale
|
Direct |
1,845
-1.4%
|
$33,210
$18.16 P/Share
|
|
Nov 11
2025
|
King Owyang Director |
BUY
Grant, award, or other acquisition
|
Direct |
5,681
+7.02%
|
-
|
|
Nov 11
2025
|
Claudia Chen Director |
BUY
Grant, award, or other acquisition
|
Direct |
5,681
+14.98%
|
-
|
|
Nov 11
2025
|
Michael J Salameh Director |
BUY
Grant, award, or other acquisition
|
Direct |
5,681
+8.06%
|
-
|
|
Nov 11
2025
|
Lucas S. Chang Director |
BUY
Grant, award, or other acquisition
|
Direct |
5,681
+15.54%
|
-
|
|
Nov 11
2025
|
Michael L Pfeiffer Director |
BUY
Grant, award, or other acquisition
|
Direct |
5,681
+7.38%
|
-
|
|
Nov 11
2025
|
So Yeon Jeong Director |
BUY
Grant, award, or other acquisition
|
Direct |
5,681
+19.27%
|
-
|
|
Nov 11
2025
|
Hanqing Li Director |
BUY
Grant, award, or other acquisition
|
Direct |
5,681
+19.27%
|
-
|
|
Oct 20
2025
|
Mike F Chang Director |
SELL
Bona fide gift
|
Direct |
40,000
-0.91%
|
-
|
|
Oct 17
2025
|
Yifan Liang CFO and Corp Secretary |
SELL
Bona fide gift
|
Direct |
300
-0.11%
|
-
|
|
Sep 09
2025
|
Stephen Chunping Chang Chief Executive Officer |
SELL
Bona fide gift
|
Direct |
2,100
-0.36%
|
-
|
|
Aug 15
2025
|
Bing Xue EVP-WW Sales & Bus Development |
SELL
Payment of exercise price or tax liability
|
Direct |
508
-0.39%
|
$13,208
$26.5 P/Share
|
|
May 12
2025
|
Bing Xue EVP-WW Sales & Bus Development |
SELL
Open market or private sale
|
Direct |
1,845
-1.39%
|
$42,435
$23.73 P/Share
|
|
Mar 17
2025
|
Yifan Liang CFO and Corp Secretary |
BUY
Grant, award, or other acquisition
|
Direct |
40,000
+6.7%
|
-
|
|
Mar 17
2025
|
Yifan Liang CFO and Corp Secretary |
SELL
Payment of exercise price or tax liability
|
Direct |
14,721
-2.69%
|
$397,467
$27.61 P/Share
|
|
Mar 17
2025
|
Bing Xue EVP-WW Sales & Bus Development |
BUY
Grant, award, or other acquisition
|
Direct |
30,000
+10.23%
|
-
|
|
Mar 17
2025
|
Bing Xue EVP-WW Sales & Bus Development |
SELL
Payment of exercise price or tax liability
|
Direct |
12,572
-4.93%
|
$339,444
$27.61 P/Share
|
|
Mar 17
2025
|
Wenjun Li Chief Operating Officer |
BUY
Grant, award, or other acquisition
|
Direct |
20,000
+12.26%
|
-
|
|
Mar 17
2025
|
Wenjun Li Chief Operating Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
4,851
-3.57%
|
$130,977
$27.61 P/Share
|
|
Mar 17
2025
|
Mike F Chang Director |
BUY
Grant, award, or other acquisition
|
Direct |
60,000
+0.68%
|
-
|
Last 12 Months Summary
| Grant, award, or other acquisition | 315K shares |
|---|
| Payment of exercise price or tax liability | 169K shares |
|---|---|
| Open market or private sale | 56.8K shares |
| Bona fide gift | 72.4K shares |