Ambarella, Inc. (AMBA) 10-K Summary
Business Context and Reporting Period
Company: Ambarella, Inc.
Filing Type: Form 10-K (Annual Report)
Fiscal Year Ended: January 31, 2026
Business Overview: Ambarella is a leading developer of low-power system-on-a-chip (SoC) semiconductors and software for edge and physical artificial intelligence (AI) applications. The company focuses on intelligent automation, computer vision, and autonomous decision-making for markets including automotive (ADAS, autonomy), IoT (security cameras, drones), and robotics. Key product families include the CV7, CV3, and N1 SoCs, which integrate the third-generation CVflow AI accelerator.
Key Financial Metrics (Fiscal Year 2026)
| Metric | Value (in millions) |
|---|---|
| Revenue | $390.7 |
| Gross Profit | $231.3 |
| Gross Margin | 59.2% |
| Operating Loss | $(82.5) |
| Net Loss | $(75.9) |
| Net Loss Per Share (Basic & Diluted) | $(1.78) |
| Cash from Operating Activities | $73.5 |
| Cash, Cash Equivalents & Marketable Securities | $312.6 |
| Total Assets | $798.6 |
| Total Liabilities | $203.8 |
Material Changes vs. Prior Period
- Revenue Growth: Revenue increased 37.2% to $390.7 million from $284.9 million in FY2025. This was driven by higher unit shipments and a shift toward higher average selling price (ASP) AI inference processors, partially offset by lower nonrecurring engineering (NRE) revenue.
- Operating Loss Reduction: Operating loss narrowed to $82.5 million from $126.6 million in FY2025, primarily due to higher gross profit from revenue growth.
- Margin Pressure: Gross margin decreased slightly to 59.2% from 60.5% in FY2025. This was attributed to higher manufacturing costs associated with advanced process technologies (4nm/5nm) and lower sales of previously reserved inventory.
- Expense Increases: Operating expenses rose to $313.8 million. Research and Development (R&D) increased by 5.5% to $238.5 million due to higher engineering costs for chip development and facility relocation costs. Selling, General, and Administrative (SG&A) expenses increased by 3.4% to $75.3 million.
- Liquidity: Cash provided by operating activities more than doubled to $73.5 million from $33.8 million, driven by improved operating results and working capital changes.
Guidance, Outlook, and Risks
Outlook and Strategy: Management expects R&D expenditures to continue increasing as the company develops innovative AI inference SoCs and targets new markets (automotive OEM, robotics). The company is transitioning to advanced process nodes (recently taped out first 2nm design) to maintain performance and power efficiency leadership.
Key Risks and Contingencies:
- Customer Concentration: WT Microelectronics Co., Ltd. (WT) accounted for approximately 70% of total revenue in FY2026. The loss of this distributor or a significant reduction in their purchases would materially harm the business.
- Supply Chain & Manufacturing: Ambarella is a fabless company relying on third-party foundries (primarily Samsung) for wafer fabrication. Capacity constraints, yield issues, or geopolitical disruptions (e.g., U.S.-China tensions, Taiwan stability) could impact production.
- Geopolitical & Trade: The company faces risks from U.S. export controls, particularly regarding sales to China. Several Chinese customers are on the BIS Entity List, restricting sales. Trade tensions and tariffs could adversely affect operations.
- Design Win Dependency: Revenue is heavily dependent on securing "design wins" with OEMs. Long sales cycles (12-18+ months) and the risk of customers canceling projects or choosing competitors pose significant uncertainty.
- Profitability: The company continues to report net losses. While the loss narrowed, it remains unprofitable due to high R&D investments required to compete in the AI semiconductor space.
Investor Verification Checklist
- Customer Concentration: Verify the stability of the relationship with WT Microelectronics (70% of revenue) and the status of the largest end customer, Arashi Vision (Insta360).
- Automotive & Robotics Penetration: Assess the progress of design wins in the automotive OEM and robotics markets, which have longer sales cycles than the legacy IoT security camera market.
- Manufacturing Yields: Monitor yield rates and capacity allocation from Samsung, especially for the transition to 4nm and 2nm process nodes.
- Geopolitical Exposure: Review updates on U.S. export control restrictions affecting sales to China and the potential impact on the 88% of revenue derived from Asia.
- Burn Rate vs. Cash: Evaluate the sustainability of the current cash burn rate against the $312.6 million cash position, considering the trajectory of R&D spending.