Alpha and Omega Semiconductor Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:AOSL Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
23 Aug 24	SellUS$128,521	Lucas S. Chang	Individual		3,377	US$38.06

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of AOSL?
Owner Type	Number of Shares	Ownership Percentage
State or Government	5,477	0.0184%
General Public	1,975,051	6.64%
Individual Insiders	4,983,165	16.7%
Institutions	22,796,302	76.6%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 80.57% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
14%	Mike Fushing Chang	4,174,002	US$110.9m	1.12%	no data
12.7%	BlackRock, Inc.	3,768,783	US$100.1m	-4.13%	no data
7.86%	The Vanguard Group, Inc.	2,338,606	US$62.1m	-3.03%	no data
6.67%	Hood River Capital Management LLC	1,986,142	US$52.8m	74.4%	0.78%
6.19%	Dimensional Fund Advisors LP	1,841,667	US$48.9m	-6.77%	0.01%
4.55%	State Street Global Advisors, Inc.	1,354,859	US$36.0m	16.1%	no data
4.21%	Manulife Asset Management	1,252,531	US$33.3m	5.32%	0.03%
3.05%	Wellington Management Group LLP	908,043	US$24.1m	43.4%	no data
2.63%	RobecoSAM AG	781,752	US$20.8m	0%	0.24%
2.5%	Invesco Capital Management LLC	743,533	US$19.8m	449%	0.01%
2.01%	Geode Capital Management, LLC	598,887	US$15.9m	3.16%	no data
2%	Boston Partners Global Investors, Inc.	595,137	US$15.8m	2,740%	0.01%
1.84%	FMR LLC	547,956	US$14.6m	2.08%	no data
1.25%	Clearline Capital LP	372,780	US$9.9m	0%	0.85%
1.16%	Royce & Associates, LP	345,314	US$9.2m	-6.06%	0.09%
1.14%	Stephen Chang	340,089	US$9.0m	14.6%	no data
1.03%	First Eagle Investment Management, LLC	306,708	US$8.1m	-2.76%	0.01%
0.99%	Morgan Stanley, Investment Banking and Brokerage Investments	296,068	US$7.9m	31.1%	no data
0.85%	Northern Trust Global Investments	252,039	US$6.7m	-3.6%	no data
0.81%	Charles Schwab Investment Management, Inc.	241,749	US$6.4m	7.54%	no data
0.72%	Gagnon Securities, LLC	214,761	US$5.7m	0.31%	1.13%
0.62%	UBS Asset Management AG	184,827	US$4.9m	8.24%	no data
0.6%	Oberweis Asset Management, Inc.	177,700	US$4.7m	0%	0.16%
0.6%	Uniplan Investment Counsel, Inc.	177,263	US$4.7m	-7.57%	0.48%
0.59%	Peregrine Capital Management, LLC	175,020	US$4.7m	-5.19%	0.13%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/07/08 23:02
End of Day Share Price	2025/07/08 00:00
Earnings	2025/03/31
Annual Earnings	2024/06/30

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Alpha and Omega Semiconductor Limited is covered by 8 analysts. 3 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
David Williams	Benchmark Company
Craig Ellis	B. Riley Securities, Inc.
Craig Ellis	Caris & Company