Ambiq Micro, Inc. 10-Q Summary: Q1 2026
Business Context and Reporting Period
Ambiq Micro, Inc. (AMBQ) is a fabless semiconductor company specializing in ultra-low power solutions using its proprietary Sub-threshold Power Optimized Technology (SPOT®) platform. The company designs systems-on-chip (SoCs) for edge AI applications in wearables, medical devices, and industrial sectors. This report covers the quarterly period ended March 31, 2026.
Key Financial Metrics
| Metric | Q1 2026 | Q1 2025 |
|---|---|---|
| Net Sales | $25.1 million | $15.7 million |
| Gross Profit | $10.9 million | $8.4 million |
| Gross Margin | 43.5% | 53.3% |
| Net Loss | $(10.2) million | $(8.3) million |
| Operating Cash Flow | $(11.2) million | $1.4 million |
| Cash and Equivalents (End of Period) | $204.5 million | $61.4 million |
| Total Debt | $0 (No long-term debt) | $0 |
Material Changes vs. Prior Period
- Revenue Growth: Net sales increased 59.3% year-over-year, driven by new product launches, higher average selling prices, and the addition of a major new customer.
- Margin Compression: Gross margin decreased 980 basis points to 43.5%. This decline is primarily attributed to the absence of a one-time $1.6 million non-monetary gain recorded in Q1 2025 related to the receipt of mask sets.
- Expense Increases: Operating expenses rose 31.8% to $22.6 million. Research and Development (R&D) expenses increased 47.7% due to IP development and hiring for the "Atomiq" development plan. Selling, General, and Administrative (SG&A) expenses increased 15.5% due to variable compensation tied to revenue growth and public company compliance costs.
- Liquidity Event: In January 2026, the company completed a follow-on offering, raising net proceeds of $75.3 million. This significantly bolstered cash reserves from $140.3 million at year-end 2025 to $204.5 million.
Outlook, Risks, and Management Commentary
- Guidance: Management does not provide specific numerical guidance for the full year but expects to continue incurring losses and negative operating cash flows until significant sales of products in development are realized.
- Liquidity: With $204.5 million in cash, management believes resources are sufficient to fund operations for at least the next 12 months. However, the company remains dependent on additional equity or debt financing for long-term growth.
- Customer Concentration: The top three end customers represented 71% of total net sales in Q1 2026. The loss of any single major customer could materially impact results.
- Geographic and Supply Chain Risks: The company sources all wafers from TSMC in Taiwan. Geopolitical tensions or supply chain disruptions in Asia pose significant risks. While sales to Mainland China increased to 13.7% of net sales (from 6.2% in Q1 2025), the company is prioritizing markets in the U.S., Europe, and Asia (ex-China).
- Non-GAAP Measures: Non-GAAP net loss was $(5.0) million for Q1 2026, compared to $(5.2) million in Q1 2025, excluding stock-based compensation, depreciation, and other non-cash items.
Investor Verification Checklist
- Verify the sustainability of the 59% revenue growth rate and the contribution of the new major customer.
- Assess the impact of the $1.6 million non-monetary gain exclusion on the true operating margin trajectory.
- Monitor the burn rate relative to the $204.5 million cash balance and the timeline for achieving positive operating cash flow.
- Review the concentration risk associated with the top three customers accounting for 71% of sales.
- Evaluate the potential impact of geopolitical tensions on the sole wafer supplier (TSMC) and the company's exposure to Mainland China sales.