AOSL at a glance
ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL, SEC CIK 1387467) filed its latest 10-K annual report on August 27, 2026, a 10-Q quarterly report on May 6, 2026, an 8-K current report on August 12, 2026 and Form 4 insider filings as recently as September 11, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended June 30, 2026 (FY2026), ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) reported revenue of $678.9 million (down 2.5% from FY2025) and a net loss of $42.3 million. Diluted EPS was -$1.41.
- As of June 30, 2026, 30 institutional investment managers tracked by SignalX reported holding ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) shares worth $675.7 million in 13F-HR filings.
- The most recent insider open-market sale reported on Form 4 was by Xue Bing on July 16, 2026 of 875 shares at $33.99 per share.
- In the last 90 days, AOSL insiders reported 0 open-market purchases ($0) and 1 open-market sale ($30K) on Form 4, a net sale of $30K.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2026
- $678.9M
- −2.5% vs prior year
- Insiders · 90 days
- 0 buys · 1 sell
- Net −$30K
- 13F holders
- 30 funds
- $675.7M · +2 vs prior quarter
- Latest 8-K
- Aug 12, 2026
- Item 2.02
AI 10-K Annual Report Analysis
Latest 10-K, fiscal year ended Jun 30, 2026
Risk Factors
- Evolving U.S. export control regulations risk restricting sales and increasing compliance costs for customers in China and Asia, impacting financial results
- Geopolitical tensions U.S.-China expose operations in both countries to tariff volatility, export restrictions, and supply chain disruptions
- Oregon Fab fixed costs and fluctuating demand risk excess capacity costs or lost revenue during semiconductor downturns
- Major competitors include Infineon, ON Semiconductor, STMicroelectronics; intensified competition and semiconductor industry consolidation threaten market share
- Distributor concentration risk: WPG and Promate accounted for over 71% revenue in last three years, reliance may cause sales volatility or contractual risks
Business Overview
- Core business model: Designer and global supplier of broad portfolio of power semiconductors focusing on power discretes and power ICs
- New products: Launched SmartClamp™ protected DrMOS for AI servers, 25V/80V MOSFETs with advanced packaging, αMOS E2™ 600V super junction MOSFET platform
- Strategic shift: Divested 20.3% equity in JV Company reducing ownership to 18.9%, raising $150M for tech R&D and acquisitions
- Key metric: R&D spend increased to $103.9M in FY2026 from $94.3M in FY2025, employee count 2,519 globally with 817 in U.S.
- Noteworthy fact: Introduced total power solution for next-gen Intel Panther Lake/Wildcat Lake platforms combining digital control with analog efficiency
Management Discussion & Analysis
- Revenue $678.9M, down 2.5% YoY ($696.2M in FY25); power discrete sales fell $11.7M (-2.6%), power IC up $3.9M (+1.7%)
- Gross margin 22.3% vs 23.1%, down 0.8 points, due to higher material costs and lower unit shipment; R&D expenses up 10.2% to $103.9M
- Best performing segment: Computing revenue $343.0M, up 5.8%; worst: Consumer revenue $83.0M, down 18.9%
- Net cash used in operating activities $16.3M vs provided $29.7M in FY25; investing activities provided $86.1M driven by $147.7M equity sale in JV company; financing used $41.8M including $18.2M share repurchases and $11.5M loan repayments
- Management expects continued gross margin fluctuations due to product mix and market conditions; risks include PC market decline, wafer capacity constraints, price erosion, and impact of Bermuda 15% CIT under review for future compliance
AI summary of the AOSL 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Mar 31, 2026
Management Discussion & Analysis
- Revenue $163.8M, down $0.8M or 0.5% YoY
- Gross margin 21.1% vs 21.4%; operating margin (8.6%) vs (6.4%)
- Best product line: power discrete revenue $115.1M, up 7.7% YoY
- Worst product line: power IC revenue $46.9M, down 14.1% YoY
- JV sale generated $30.3M cash; remaining installment approximately $15.6M expected near term
Risk Factors
- New JV-sale closing risk triggered by July 14, 2025 agreement; remaining $15.8 million installment depends on approvals outside company control
- Most material transaction risk: failure of conditions could require unwinding the $150 million sale, harming reputation, operations and stock price
- Regulatory risk from pending JV shareholder approval and government registrations required for remaining installment
- Liquidity risk: delayed proceeds could constrain technology investment, R&D and complementary asset acquisitions
- Market risk: $30.0 million repurchase program may not enhance share value; $11.9 million remained available at March 31, 2026
AI summary of the AOSL 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 2.02: Results of Operations and Financial Condition
- Fiscal fourth-quarter and full-year results ended June 30, 2026 released August 12, 2026
- Detailed financial results and management commentary available in Exhibit 99.1
Item EX-99.1: Item EX-99.1
- Q4 revenue $170.4M, up 4.0% sequentially but down 3.5% YoY, reflecting Advanced Computing strength offsetting traditional PC weakness
- GAAP gross margin 23.1%, up from 21.1% sequentially; non-GAAP margin 23.7% versus 21.7%
Item 5.02: Departure/Appointment of Directors or Principal Officers
- Joshua Chien appointed independent director effective July 8, 2026, serving through the 2026 annual meeting
- Electronics manufacturing and mobility software background adds commercial, sales, and product strategy expertise
Item EX-99.1: Item EX-99.1
- Independent director Joshua Chien appointed effective July 8, 2026
- Board gains electronics manufacturing, supply-chain, business-development, and operational expertise
Item 2.01: Completion of Acquisition or Disposition of Assets
- AOSL completed sale of approximately 20.3% of its Chongqing semiconductor joint venture
- Total cash consideration reached $150 million, paid in four installments
AI summaries of AOSL 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for AOSL
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- Fund moves. Which tracked funds opened, added or cut AOSL, by share count.
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Chang Stephen Chunping | G | Aug 24, 2026 | 100,947 | - |
| Chang Mike F | G | Aug 24, 2026 | 100,947 | - |
| Chang Mike F | G | Aug 13, 2026 | 3,000,000 | - |
| Chien Joshua C. | A | Jul 20, 2026 | 1,368 | - |
| Xue Bing | Sell | Jul 16, 2026 | 875 | $33.99 |
| Chang Mike F | G | Jul 13, 2026 | 23,754 | - |
| Xue Bing | Sell | Jun 16, 2026 | 4,916 | $47.09 |
| Chang Mike F | G | Jun 1, 2026 | 30,000 | - |
Financial SummaryXBRL
| Metric | FY2024 | FY2025 | FY2026 |
|---|---|---|---|
| Profitability | |||
| Revenue | - | $696.2M | $678.9M |
| Gross Profit | - | $161.0M | $151.5M |
| Operating Income | - | -$28.4M | -$43.2M |
| Net Income | - | -$97.0M | -$42.3M |
| Gross Margin | - | 23.1% | 22.3% |
| Op. Margin | - | -4.1% | -6.4% |
| Net Margin | - | -13.9% | -6.2% |
| Balance Sheet | |||
| Total Assets | $1.1B | $1.0B | $963.6M |
| Equity | $891.6M | $822.3M | $797.9M |
| ROE | - | -11.8% | -5.3% |
| Per Share | |||
| EPS | - | $-3.30 | $-1.41 |
| Cash Flow | |||
| Operating CF | - | $29.7M | -$16.3M |
| CapEx | - | $37.2M | $51.8M |
Source: XBRL data in ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate AOSL share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 30 | $675.7M |
| Q1 2026 | 28 | $284.3M |
| Q4 2025 | 27 | $253.2M |
| Q3 2025 | 26 | $356.6M |
| Q2 2025 | 26 | $322.4M |
| Q1 2025 | 22 | $210.4M |
| Q4 2024 | 19 | $281.6M |
| Q3 2024 | 17 | $182.5M |
- State Street Corp+945.9K (+67%)
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- FMR LLC (Fidelity)+247.0K (+45%)
- Millennium Management+69.9K (+35%)
- JPMorgan Chase & Co−234.5K (-68%)
- Dimensional Fund Advisors−228.8K (-15%)
- Invesco Ltd−167.9K (-45%)
- AQR Capital Management−58.2K (-41%)
- Vanguard Portfolio Management LLC−57.4K (-5%)
- Marex Group plc+21.5K
- Prudential Financial+4.5K
Source: 13F-HR filings on SEC EDGAR (aggregated from 195 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
AOSL filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
10-K annual reports
10-Q quarterly reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 4 | Sep 11, 2026 | - | - | - |
| 4 | Sep 11, 2026 | - | - | - |
| 10-K | Aug 27, 2026 | Jun 30, 2026 | Analysis | |
| 4 | Aug 14, 2026 | - | - | - |
| 8-K | Aug 12, 2026 | - | Analysis | - |
| SC 13G | Aug 7, 2026 | - | - | |
| 4 | Jul 21, 2026 | - | - | - |
| 4 | Jul 17, 2026 | - | - | - |
| 4 | Jul 15, 2026 | - | - | - |
| 8-K | Jul 10, 2026 | - | Analysis | - |
| 4 | Jun 17, 2026 | - | - | - |
| 4 | Jun 3, 2026 | - | - | |
| 4 | May 28, 2026 | - | - | |
| 4 | May 27, 2026 | - | - | |
| 4 | May 26, 2026 | - | - | |
| 4 | May 26, 2026 | - | - | |
| 4 | May 20, 2026 | - | - | |
| 8-K | May 12, 2026 | - | Analysis | |
| 10-Q | May 6, 2026 | Mar 31, 2026 | Analysis | |
| 8-K | May 6, 2026 | - | Analysis | |
| 4 | Apr 30, 2026 | - | - | - |
| 4 | Apr 20, 2026 | - | - | - |
| 4 | Apr 20, 2026 | - | - | - |
| 4 | Apr 20, 2026 | - | - | - |
| 8-K | Apr 17, 2026 | - | Analysis | - |
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AOSL SEC filings: frequently asked questions
Are AOSL insiders buying or selling?
In the last 90 days, ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) officers, directors and 10% owners reported no open-market purchases and 1 open-market sale worth $29,741 by 1 insider on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold AOSL stock?
As of June 30, 2026, the largest ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) holders among the 13F filers tracked by SignalX were BlackRock ($201.5 million), State Street Corp ($111.1 million), Dimensional Fund Advisors ($63.2 million), Vanguard Portfolio Management LLC ($52.6 million), Vanguard Capital Management LLC ($50.7 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What was AOSL's revenue in fiscal year 2026?
For the fiscal year ended June 30, 2026 (FY2026), ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) reported revenue of $678.9 million (down 2.5% from FY2025) and a net loss of $42.3 million. Diluted EPS was -$1.41. The figures come from the XBRL data in the 10-K.
What are the main risks in AOSL's latest 10-K?
In the 10-K filed August 27, 2026, ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) flagged: Evolving U.S. export control regulations risk restricting sales and increasing compliance costs for customers in China and Asia, impacting financial results. Geopolitical tensions U.S.-China expose operations in both countries to tariff volatility, export restrictions, and supply chain disruptions. (AI summary of the Risk Factors section.)
What did AOSL report in its latest 8-K?
ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) filed an 8-K on August 12, 2026 reporting Item 2.02 (Results of Operations and Financial Condition). Fiscal fourth-quarter and full-year results ended June 30, 2026 released August 12, 2026.
What are the latest AOSL SEC filings?
ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) filed its latest 10-K annual report on August 27, 2026, a 10-Q quarterly report on May 6, 2026, an 8-K current report on August 12, 2026 and a Form 4 insider filing on September 11, 2026.
What is AOSL's SEC CIK number?
ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)'s SEC Central Index Key (CIK) is 1387467. EDGAR lists every AOSL filing under that number.
Ask anything about AOSL
The research agent reads AOSL's filings, financials, insider trades and 13F holders, then answers with sources.