ALPHA & OMEGA SEMICONDUCTOR Ltd
United States·USD
Congressional Trades
| Politician | Stock | Type | Filed | Traded | |
|---|---|---|---|---|---|
 Tom MalinowskiHouse · D · NJ |
AOSLALPHA & OMEGA SEMICONDUCTOR Ltd · Stock |
Sale $1,001 - $15,000 |
Mar 6, 2021 | Feb 16, 2021 | Filing ↗ |
Whale Activity
- Increased6
- New0
- Held0
- Decreased1
- Closed1
- No prior filing0
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 4.3M | $201.5M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.1M | $52.6M | decreased |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.1M | $50.7M | increased |
| TWO SIGMA INVESTMENTS, LP | 951.6K | $45.0M | increased |
| D. E. Shaw & Co., Inc. | 284.2K | $13.5M | increased |
| MILLENNIUM MANAGEMENT LLC | 267.6K | $12.7M | increased |
| CITADEL ADVISORS LLC | 39.4K | $1.9M | increased |
| Point72 Asset Management | 0 | $0 | closed |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Recent Insider Transactions
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Xue BingEVP-WW Sales & Bus Development | Sale | −875 | $33.99 | $30K | Jul 16, 2026 | Form 4 ↗ |
| Xue BingEVP-WW Sales & Bus Development | Sale | −4,916 | $47.09 | $231K | Jun 16, 2026 | Form 4 ↗ |
| Chang Mike FDirector · 10% owner | Gift | −30.0K | $0.00 | $0 | Jun 1, 2026 | Form 4 ↗ |
| Chang Mike FDirector · 10% owner | Gift | −39.8K | $0.00 | $0 | May 26, 2026 | Form 4 ↗ |
| Chang Mike FDirector · 10% owner | Gift | −736.3K | $0.00 | $0 | May 22, 2026 | Form 4 ↗ |
| Chen ClaudiaDirector | Sale | −217 | $40.54 | $9K | May 22, 2026 | Form 4 ↗ |
| Chen ClaudiaDirector | Sale | −3,844 | $39.47 | $152K | May 22, 2026 | Form 4 ↗ |
| Chang Stephen ChunpingChief Executive Officer · Director | Gift | −2,000 | $0.00 | $0 | May 21, 2026 | Form 4 ↗ |
| Xue BingEVP-WW Sales & Bus Development | Sale | −4,916 | $41.00 | $202K | May 18, 2026 | Form 4 ↗ |
| Liang YifanCFO and Corp Secretary | Gift | −300 | $0.00 | $0 | Apr 28, 2026 | Form 4 ↗ |
| Liang YifanCFO and Corp Secretary | Gift | −300 | $0.00 | $0 | Apr 27, 2026 | Form 4 ↗ |
| Liang YifanCFO and Corp Secretary | Sale | −8,625 | $35.00 | $302K | Apr 17, 2026 | Form 4 ↗ |
| Chang Stephen ChunpingChief Executive Officer · Director | Sale | −9,911 | $34.90 | $346K | Apr 17, 2026 | Form 4 ↗ |
| Chang Stephen ChunpingChief Executive Officer · Director | Sale | −3,481 | $33.90 | $118K | Apr 17, 2026 | Form 4 ↗ |
| Chang Stephen ChunpingChief Executive Officer · Director | Sale | −1,492 | $32.90 | $49K | Apr 17, 2026 | Form 4 ↗ |
| Xue BingEVP-WW Sales & Bus Development | Sale | −1,832 | $31.21 | $57K | Apr 16, 2026 | Form 4 ↗ |
| Liang YifanCFO and Corp Secretary | Sale | −11.2K | $32.00 | $358K | Apr 14, 2026 | Form 4 ↗ |
| Liang YifanCFO and Corp Secretary | Sale | −7,939 | $30.00 | $238K | Apr 14, 2026 | Form 4 ↗ |
| Liang YifanCFO and Corp Secretary | Sale | −7,391 | $29.00 | $214K | Apr 14, 2026 | Form 4 ↗ |
| Chang Stephen ChunpingChief Executive Officer · Director | Sale | −5,594 | $31.90 | $178K | Apr 14, 2026 | Form 4 ↗ |
Fund Holders
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 759.1K | $35.9M | 0.00% | Jun 30, 2026 |
| VANGUARD INFORMATION TECHNOLOGY INDEX FUND VANGUARD WORLD FUND | 643.1K | $29.2M | 0.02% | May 31, 2026 |
| Small Cap Core Fund John Hancock Investment Trust | 476.9K | $15.1M | 0.78% | Jul 31, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 287.5K | $13.6M | 0.01% | Jun 30, 2026 |
| Invesco S&P SmallCap Value with Momentum ETF Invesco Exchange-Traded Fund Trust | 163.0K | $7.1M | 1.15% | Apr 30, 2026 |
| VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 129.9K | $5.9M | 0.03% | May 31, 2026 |
| Dimensional US Small Cap Value ETF Dimensional ETF Trust | 170.2K | $5.4M | 0.07% | Jul 31, 2026 |
| Small Cap Core Trust John Hancock Variable Insurance Trust | 82.5K | $3.9M | 1.09% | Jun 30, 2026 |
| VANGUARD S&P SMALL-CAP 600 INDEX FUND VANGUARD ADMIRAL FUNDS | 85.3K | $3.9M | 0.07% | May 31, 2026 |
| Dimensional U.S. Small Cap ETF Dimensional ETF Trust | 110.2K | $3.5M | 0.02% | Jul 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list AOSL's shares (CUSIP G6331P104), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Corporate Lobbying
No lobbying filings found naming ALPHA & OMEGA SEMICONDUCTOR Ltd as the client.
Government Contracts
No federal contract awards found for ALPHA & OMEGA SEMICONDUCTOR Ltd.
U.S. Patents
No USPTO patent applications found for ALPHA & OMEGA SEMICONDUCTOR Ltd.
Annual Financials
No annual XBRL figures on record for AOSL. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
No stock splits in AOSL's price history.
About ALPHA & OMEGA SEMICONDUCTOR Ltd
Forward Looking Statements This Annual Report on Form 10-K and the documents incorporated herein by reference contain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which are subject to the “safe harbor” created by those sections. Forward-looking statements are based on our management's beliefs and assumptions and on information currently available to our management. In some cases, you can identify forward-looking statements by terms such as “may,” “will,” “should,” “could,” “intend,” “would,” “expect,” “plan,” “anticipate,” “believe,” “estimate,” “project,” “predict,”…