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Side-by-side financial comparison of Ambiq Micro, Inc. (AMBQ) and Valneva SE (VALN). Click either name above to swap in a different company.

Valneva SE is the larger business by last-quarter revenue ($36.2M vs $18.2M, roughly 2.0× Ambiq Micro, Inc.). Ambiq Micro, Inc. runs the higher net margin — -49.6% vs -54.1%, a 4.5% gap on every dollar of revenue.

Ambiq Micro, Inc. is an American semiconductor company specializing in low-power microcontrollers and systems-on-chip, including products for devices smartwatches, medical devices, and sensors. Founded in 2010 by University of Michigan researchers Scott Hanson, David Blaauw, and Dennis Sylvester, the company is headquartered in Austin, Texas. Its products employ Subthreshold Power Optimized Technology (SPOT) to reduce energy consumption and enable on-device edge AI. In 2025, Ambiq went public...

Valneva SE is a specialty vaccine company registered in Saint-Herblain, France, developing, producing and commercializing vaccines for infectious diseases. It has manufacturing sites in Livingston, Scotland; Solna, Sweden, and Vienna, Austria; with other offices in France, Canada and the United States.

AMBQ vs VALN — Head-to-Head

Bigger by revenue
VALN
VALN
2.0× larger
VALN
$36.2M
$18.2M
AMBQ
Higher net margin
AMBQ
AMBQ
4.5% more per $
AMBQ
-49.6%
-54.1%
VALN

Income Statement — Q3 FY2025 vs Q1 FY2023

Metric
AMBQ
AMBQ
VALN
VALN
Revenue
$18.2M
$36.2M
Net Profit
$-9.0M
$-19.6M
Gross Margin
42.3%
38.9%
Operating Margin
-55.3%
-49.5%
Net Margin
-49.6%
-54.1%
Revenue YoY
Net Profit YoY
EPS (diluted)
$-0.72

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
AMBQ
AMBQ
VALN
VALN
Q3 25
$18.2M
Q2 25
$17.9M
Q1 23
$36.2M
Q2 22
$93.2M
Net Profit
AMBQ
AMBQ
VALN
VALN
Q3 25
$-9.0M
Q2 25
$-8.5M
Q1 23
$-19.6M
Q2 22
Gross Margin
AMBQ
AMBQ
VALN
VALN
Q3 25
42.3%
Q2 25
40.1%
Q1 23
38.9%
Q2 22
Operating Margin
AMBQ
AMBQ
VALN
VALN
Q3 25
-55.3%
Q2 25
-49.2%
Q1 23
-49.5%
Q2 22
-161.3%
Net Margin
AMBQ
AMBQ
VALN
VALN
Q3 25
-49.6%
Q2 25
-47.5%
Q1 23
-54.1%
Q2 22
EPS (diluted)
AMBQ
AMBQ
VALN
VALN
Q3 25
$-0.72
Q2 25
$-18.89
Q1 23
Q2 22

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
AMBQ
AMBQ
VALN
VALN
Cash + ST InvestmentsLiquidity on hand
$146.5M
$274.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$169.8M
$221.2M
Total Assets
$186.7M
$637.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBQ
AMBQ
VALN
VALN
Q3 25
$146.5M
Q2 25
$47.5M
Q1 23
$274.8M
Q2 22
$363.1M
Stockholders' Equity
AMBQ
AMBQ
VALN
VALN
Q3 25
$169.8M
Q2 25
$-307.3M
Q1 23
$221.2M
Q2 22
$100.7M
Total Assets
AMBQ
AMBQ
VALN
VALN
Q3 25
$186.7M
Q2 25
$89.2M
Q1 23
$637.2M
Q2 22
$783.1M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
AMBQ
AMBQ
VALN
VALN
Operating Cash FlowLast quarter
$-5.0M
$-26.3M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMBQ
AMBQ
VALN
VALN
Q3 25
$-5.0M
Q2 25
$-10.5M
Q1 23
$-26.3M
Q2 22

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

AMBQ
AMBQ

Customer Concentration Risk$16.2M89%
Other$2.0M11%

VALN
VALN

Segment breakdown not available.

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