Ambiq Micro (AMBQ) Q4 2025 earnings summary

Executive summary

• Achieved record net sales in Q4 2025, exceeding guidance, driven by strong end-user demand and accelerated Edge AI adoption across wearables, medical, industrial, and smart building markets.

• Completed successful IPO and follow-on offering, significantly strengthening cash reserves and investor confidence.

• Launched new hardware (Apollo510 Lite, Apollo510B, Apollo330, Apollo340, Atomiq) and expanded AI software ecosystem with HeliaAOT, HeliaRT, and other toolkits.

• Expanded customer base and design funnel diversity, including a large new wearable client and industrial partnerships.

• Entering 2026 with strong momentum, leadership appointments, and a clear path to over $100 million in revenue.

Financial highlights

• Q4 2025 net sales reached $20.7 million, up 14.2% sequentially and 2% year-over-year, marking the highest quarter of FY25.

• Q4 non-GAAP gross margin was 45.5%, with non-GAAP gross profit of $9.4 million, up 75.5% year-over-year.

• Full-year 2025 net sales were $72.5 million, down 4.7% year-over-year, but non-GAAP gross profit increased 32.1%.

• Q4 non-GAAP net loss was $5.9 million, a $1.7 million improvement year-over-year.

• Ended Q4 with $140.3 million in cash and no debt; follow-on offering in Q1 2026 added $76.8 million.

Outlook and guidance

• Q1 2026 net sales expected between $21 million and $22 million, with non-GAAP gross margin projected at 44%-45%.

• Non-GAAP operating expense for Q1 2026 expected at $18-$18.5 million, with full-year OpEx to rise by ~$30 million due to R&D and IP investments.

• Non-GAAP loss per share for Q1 2026 forecasted at $0.39-$0.33.

• Confident in surpassing $100 million in revenue for 2026, with strong growth expected across all quarters.