Alpha and Omega Semiconductor Ltd
AOSL20.210USD
+0.080+0.40%
Close 12/24, 13:00（ET）Quotes delayed by 15 min
607.37MMarket Cap
LossP/E TTM
More Details of Alpha and Omega Semiconductor Ltd Company
Alpha and Omega Semiconductor Limited is a designer, developer and global supplier of a broad portfolio of power semiconductors. Its portfolio of products targets high-volume applications, including personal computers, graphic cards, game consoles, flat panel televisions (TV), home appliances, power tools, smart phones, battery packs, consumer and industrial motor controls and power supplies for TVs, computers, servers and telecommunications equipment. Its product portfolio consists of two categories: power discrete and power ICs that serve the large and diverse analog market for power semiconductors. Its power discrete products consist of low, medium and high voltage power MOSFETs. Its power ICs deliver power and control and regulate the power management variables, such as the flow of current and level of voltage. Its portfolio of power semiconductors includes approximately 2,700 products. It conducts its operations in the United States of America, Hong Kong, China, and South Korea.
Alpha and Omega Semiconductor Ltd Info
Ticker SymbolAOSL
Company nameAlpha and Omega Semiconductor Ltd
IPO dateApr 29, 2010
CEOChang (Stephen C)
Number of employees2428
Security typeOrdinary Share
Fiscal year-endApr 29
Address475 Oakmead Pkwy
CitySUNNYVALE
Stock exchangeNASDAQ OMX - NASDAQ BASIC
CountryUnited States of America
Postal code94085
Phone14088309742
Websitehttps://aosmd.com/
Ticker SymbolAOSL
IPO dateApr 29, 2010
CEOChang (Stephen C)
Company Executives of Alpha and Omega Semiconductor Ltd
Name
Name/Position
Position
Shareholding
Change
Dr. Mike F. Chang, Ph.D.
Dr. Mike F. Chang, Ph.D.
Chairman of the Board, Executive Vice President - Strategic Initiative
Chairman of the Board, Executive Vice President - Strategic Initiative
4.13M
-0.96%
Mr. Yifan Liang
Mr. Yifan Liang
Chief Financial Officer, Corporate Secretary
Chief Financial Officer, Corporate Secretary
169.03K
-0.18%
Dr. King Owyang, Ph.D.
Dr. King Owyang, Ph.D.
Independent Director
Independent Director
75.26K
+8.17%
Mr. Michael J. Salameh
Mr. Michael J. Salameh
Lead Independent Director
Lead Independent Director
64.82K
+9.61%
Dr. Bing Xue, Ph.D.
Dr. Bing Xue, Ph.D.
Executive Vice President - Worldwide Sales and Business Development
Executive Vice President - Worldwide Sales and Business Development
30.32K
-5.74%
Ms. Claudia Chen
Ms. Claudia Chen
Independent Director
Independent Director
26.57K
--
Dr. Wenjun Li, Ph.D.
Dr. Wenjun Li, Ph.D.
Chief Operating Officer
Chief Operating Officer
26.54K
+8.85%
Ms. Hanqing (Helen) Li
Ms. Hanqing (Helen) Li
Independent Director
Independent Director
23.80K
+31.35%
Ms. So-Yeon Jeong
Ms. So-Yeon Jeong
Independent Director
Independent Director
23.80K
+31.35%
Mr. Stephen C. Chang
Mr. Stephen C. Chang
Chief Executive Officer, Director
Chief Executive Officer, Director
--
--
View more
Name
Name/Position
Position
Shareholding
Change
Dr. Mike F. Chang, Ph.D.
Dr. Mike F. Chang, Ph.D.
Chairman of the Board, Executive Vice President - Strategic Initiative
Chairman of the Board, Executive Vice President - Strategic Initiative
4.13M
-0.96%
Mr. Yifan Liang
Mr. Yifan Liang
Chief Financial Officer, Corporate Secretary
Chief Financial Officer, Corporate Secretary
169.03K
-0.18%
Dr. King Owyang, Ph.D.
Dr. King Owyang, Ph.D.
Independent Director
Independent Director
75.26K
+8.17%
Mr. Michael J. Salameh
Mr. Michael J. Salameh
Lead Independent Director
Lead Independent Director
64.82K
+9.61%
Dr. Bing Xue, Ph.D.
Dr. Bing Xue, Ph.D.
Executive Vice President - Worldwide Sales and Business Development
Executive Vice President - Worldwide Sales and Business Development
30.32K
-5.74%
Ms. Claudia Chen
Ms. Claudia Chen
Independent Director
Independent Director
26.57K
--
Revenue Breakdown
Currency: USDUpdated: Mon, Oct 6
Currency: USDUpdated: Mon, Oct 6
FY2025
FY2025Q4
FY2025Q3
FY2025Q2
FY2025Q1
FY2024
FY2024Q4
FY2024Q3
FY2024Q2
FY2024Q1
FY2023
FY2023Q4
FY2023Q3
FY2023Q2
FY2023Q1
FY2022
FY2022Q4
FY2021
FY2020
FY2019
By BusinessUSD
Name
Revenue
Proportion
Power discrete
449.51M
64.57%
Power IC
229.93M
33.03%
License and development services
13.84M
1.99%
Packaging and testing services
2.89M
0.41%
By RegionUSD
Name
Revenue
Proportion
Hong Kong
617.57M
88.71%
China
58.51M
8.41%
Other Countries
14.29M
2.05%
United States
4.09M
0.59%
South Korea
1.69M
0.24%
By Business
By Region
By BusinessUSD
Name
Revenue
Proportion
Power discrete
449.51M
64.57%
Power IC
229.93M
33.03%
License and development services
13.84M
1.99%
Packaging and testing services
2.89M
0.41%
Shareholding Stats
Updated: Sat, Aug 16
Updated: Sat, Aug 16
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Chang (Mike F)
13.75%
BlackRock Institutional Trust Company, N.A.
11.60%
The Vanguard Group, Inc.
8.14%
Dimensional Fund Advisors, L.P.
5.61%
Manulife Investment Management (North America) Limited
5.17%
Other
55.72%
Shareholders
Shareholders
Proportion
Chang (Mike F)
13.75%
BlackRock Institutional Trust Company, N.A.
11.60%
The Vanguard Group, Inc.
8.14%
Dimensional Fund Advisors, L.P.
5.61%
Manulife Investment Management (North America) Limited
5.17%
Other
55.72%
Shareholder Types
Shareholders
Proportion
Investment Advisor
40.42%
Investment Advisor/Hedge Fund
26.26%
Individual Investor
16.68%
Hedge Fund
4.89%
Research Firm
2.08%
Pension Fund
0.86%
Bank and Trust
0.35%
Sovereign Wealth Fund
0.04%
Insurance Company
0.03%
Other
8.39%
Institutional Shareholding
Updated: Mon, Dec 8
Updated: Mon, Dec 8
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2025Q4
396
22.53M
91.28%
+39.91K
2025Q3
410
22.49M
91.95%
+426.64K
2025Q2
393
22.06M
87.77%
-1.23M
2025Q1
395
23.29M
79.75%
-436.21K
2024Q4
403
20.96M
75.75%
+789.91K
2024Q3
397
20.04M
74.79%
+113.17K
2024Q2
404
19.93M
73.16%
+384.35K
2024Q1
407
19.52M
73.16%
-1.48M
2023Q4
425
18.58M
73.74%
+642.13K
2023Q3
425
17.92M
74.60%
+121.61K
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Chang (Mike F)
4.17M
13.89%
+56.62K
+1.38%
Sep 12, 2025
BlackRock Institutional Trust Company, N.A.
3.49M
11.61%
-19.77K
-0.56%
Jun 30, 2025
The Vanguard Group, Inc.
2.41M
8.03%
+81.41K
+3.49%
Jun 30, 2025
Dimensional Fund Advisors, L.P.
1.72M
5.73%
-121.43K
-6.59%
Jun 30, 2025
Manulife Investment Management (North America) Limited
1.41M
4.7%
+158.87K
+12.68%
Jun 30, 2025
State Street Investment Management (US)
1.28M
4.26%
-76.13K
-5.62%
Jun 30, 2025
Wellington Management Company, LLP
751.89K
2.5%
-156.16K
-17.20%
Jun 30, 2025
Boston Partners
1.11M
3.69%
+514.24K
+86.41%
Jun 30, 2025
Robeco Switzerland Ltd.
782.50K
2.6%
+751.00
+0.10%
Jun 30, 2025
Millennium Management LLC
405.06K
1.35%
+405.06K
--
Jun 30, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
Invesco S&P SmallCap Value with Momentum ETF
0.59%
State Street SPDR S&P Semiconductor ETF
0.57%
Invesco NASDAQ Future Gen 200 ETF
0.52%
Invesco S&P SmallCap Information Technology ETF
0.32%
iShares Micro-Cap ETF
0.14%
Avantis US Small Cap Equity ETF
0.07%
DFA Dimensional US Small Cap Value ETF
0.07%
State Street SPDR Portfolio S&P 600 Small Cap ETF
0.05%
State Street SPDR S&P 600 Small Cap Value ETF
0.05%
Invesco RAFI US 1500 Small-Mid ETF
0.05%
View more
Invesco S&P SmallCap Value with Momentum ETF
Proportion0.59%
State Street SPDR S&P Semiconductor ETF
Proportion0.57%
Invesco NASDAQ Future Gen 200 ETF
Proportion0.52%
Invesco S&P SmallCap Information Technology ETF
Proportion0.32%
iShares Micro-Cap ETF
Proportion0.14%
Avantis US Small Cap Equity ETF
Proportion0.07%
DFA Dimensional US Small Cap Value ETF
Proportion0.07%
State Street SPDR Portfolio S&P 600 Small Cap ETF
Proportion0.05%
State Street SPDR S&P 600 Small Cap Value ETF
Proportion0.05%
Invesco RAFI US 1500 Small-Mid ETF
Proportion0.05%
Dividend
A total of
0.00
USD has been distributed in dividends over the past 5 years.
Date
Dividend
Record Date
Payment Date
Ex-dividend Date
No Data
Stock Split
Date
Type
Ratio
No Data
Date
Type
Ratio
No Data
FAQs
Who are the top five shareholders of Alpha and Omega Semiconductor Ltd?
The top five shareholders of Alpha and Omega Semiconductor Ltd are:
Chang (Mike F) holds 4.17M shares, accounting for 13.89% of the total shares.
BlackRock Institutional Trust Company, N.A. holds 3.49M shares, accounting for 11.61% of the total shares.
The Vanguard Group, Inc. holds 2.41M shares, accounting for 8.03% of the total shares.
Dimensional Fund Advisors, L.P. holds 1.72M shares, accounting for 5.73% of the total shares.
Manulife Investment Management (North America) Limited holds 1.41M shares, accounting for 4.70% of the total shares.
Chang (Mike F) holds 4.17M shares, accounting for 13.89% of the total shares.
BlackRock Institutional Trust Company, N.A. holds 3.49M shares, accounting for 11.61% of the total shares.
The Vanguard Group, Inc. holds 2.41M shares, accounting for 8.03% of the total shares.
Dimensional Fund Advisors, L.P. holds 1.72M shares, accounting for 5.73% of the total shares.
Manulife Investment Management (North America) Limited holds 1.41M shares, accounting for 4.70% of the total shares.
What are the top three shareholder types of Alpha and Omega Semiconductor Ltd?
The top three shareholder types of Alpha and Omega Semiconductor Ltd are:
Chang (Mike F)
BlackRock Institutional Trust Company, N.A.
The Vanguard Group, Inc.
Chang (Mike F)
BlackRock Institutional Trust Company, N.A.
The Vanguard Group, Inc.
How many institutions hold shares of Alpha and Omega Semiconductor Ltd (AOSL)?
As of 2025Q4, 396 institutions hold shares of Alpha and Omega Semiconductor Ltd, with a combined market value of approximately 22.53M, accounting for 91.28% of the total shares. Compared to 2025Q3, institutional shareholding has increased by -0.66%.
What is the biggest source of revenue for Alpha and Omega Semiconductor Ltd?
In FY2025, the Power discrete business generated the highest revenue for Alpha and Omega Semiconductor Ltd, amounting to 449.51M and accounting for 64.57% of total revenue.
