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

Ambiq Micro, Inc. is the larger business by last-quarter revenue ($18.2M vs $9.2M, roughly 2.0× electroCore, Inc.). electroCore, Inc. runs the higher net margin — -32.8% vs -49.6%, a 16.7% 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...

electroCore, Inc. is a medical technology company based in Basking Ridge, New Jersey. electroCore was co-founded in 2005 by JP Errico, Thomas J. Errico, MD, Charles Theofilos, MD, and Peter Staats, MD. The current chief executive officer is Daniel S. Goldberger. electroCore has one product called gammaCore, a non-invasive, commercially available product that uses vagus nerve stimulation.

AMBQ vs ECOR — Head-to-Head

Bigger by revenue
AMBQ
AMBQ
2.0× larger
AMBQ
$18.2M
$9.2M
ECOR
Higher net margin
ECOR
ECOR
16.7% more per $
ECOR
-32.8%
-49.6%
AMBQ

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
AMBQ
AMBQ
ECOR
ECOR
Revenue
$18.2M
$9.2M
Net Profit
$-9.0M
$-3.0M
Gross Margin
42.3%
88.4%
Operating Margin
-55.3%
-31.8%
Net Margin
-49.6%
-32.8%
Revenue YoY
31.2%
Net Profit YoY
6.0%
EPS (diluted)
$-0.72
$-0.34

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
ECOR
ECOR
Q4 25
$9.2M
Q3 25
$18.2M
$8.7M
Q2 25
$17.9M
$7.4M
Q1 25
$6.7M
Q4 24
$7.0M
Q3 24
$6.6M
Q2 24
$6.1M
Q1 24
$5.4M
Net Profit
AMBQ
AMBQ
ECOR
ECOR
Q4 25
$-3.0M
Q3 25
$-9.0M
$-3.4M
Q2 25
$-8.5M
$-3.7M
Q1 25
$-3.9M
Q4 24
$-3.2M
Q3 24
$-2.5M
Q2 24
$-2.7M
Q1 24
$-3.5M
Gross Margin
AMBQ
AMBQ
ECOR
ECOR
Q4 25
88.4%
Q3 25
42.3%
86.0%
Q2 25
40.1%
87.3%
Q1 25
84.9%
Q4 24
85.9%
Q3 24
83.8%
Q2 24
86.3%
Q1 24
83.7%
Operating Margin
AMBQ
AMBQ
ECOR
ECOR
Q4 25
-31.8%
Q3 25
-55.3%
-33.2%
Q2 25
-49.2%
-47.5%
Q1 25
-56.9%
Q4 24
-43.6%
Q3 24
-40.4%
Q2 24
-42.2%
Q1 24
-70.7%
Net Margin
AMBQ
AMBQ
ECOR
ECOR
Q4 25
-32.8%
Q3 25
-49.6%
-39.2%
Q2 25
-47.5%
-49.7%
Q1 25
-57.4%
Q4 24
-45.8%
Q3 24
-38.1%
Q2 24
-43.2%
Q1 24
-64.4%
EPS (diluted)
AMBQ
AMBQ
ECOR
ECOR
Q4 25
$-0.34
Q3 25
$-0.72
$-0.40
Q2 25
$-18.89
$-0.44
Q1 25
$-0.47
Q4 24
$-0.37
Q3 24
$-0.31
Q2 24
$-0.38
Q1 24
$-0.53

Balance Sheet & Financial Strength

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

Metric
AMBQ
AMBQ
ECOR
ECOR
Cash + ST InvestmentsLiquidity on hand
$146.5M
$11.6M
Total DebtLower is stronger
$7.8M
Stockholders' EquityBook value
$169.8M
$-1.7M
Total Assets
$186.7M
$18.7M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBQ
AMBQ
ECOR
ECOR
Q4 25
$11.6M
Q3 25
$146.5M
$13.0M
Q2 25
$47.5M
$7.1M
Q1 25
$7.8M
Q4 24
$12.2M
Q3 24
$12.9M
Q2 24
$14.2M
Q1 24
$7.8M
Total Debt
AMBQ
AMBQ
ECOR
ECOR
Q4 25
$7.8M
Q3 25
$7.8M
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
AMBQ
AMBQ
ECOR
ECOR
Q4 25
$-1.7M
Q3 25
$169.8M
$-1.1M
Q2 25
$-307.3M
$1.1M
Q1 25
$4.4M
Q4 24
$7.5M
Q3 24
$9.5M
Q2 24
$11.5M
Q1 24
$4.5M
Total Assets
AMBQ
AMBQ
ECOR
ECOR
Q4 25
$18.7M
Q3 25
$186.7M
$21.4M
Q2 25
$89.2M
$14.6M
Q1 25
$16.0M
Q4 24
$20.5M
Q3 24
$21.0M
Q2 24
$22.4M
Q1 24
$13.9M

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
ECOR
ECOR
Operating Cash FlowLast quarter
$-5.0M
$-1.5M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMBQ
AMBQ
ECOR
ECOR
Q4 25
$-1.5M
Q3 25
$-5.0M
$-1.7M
Q2 25
$-10.5M
$-623.0K
Q1 25
$-4.4M
Q4 24
$-1.3M
Q3 24
$-1.4M
Q2 24
$-1.8M
Q1 24
$-2.6M
Free Cash Flow
AMBQ
AMBQ
ECOR
ECOR
Q4 25
Q3 25
$-1.7M
Q2 25
$-648.0K
Q1 25
$-4.4M
Q4 24
Q3 24
Q2 24
Q1 24
FCF Margin
AMBQ
AMBQ
ECOR
ECOR
Q4 25
Q3 25
-19.3%
Q2 25
-8.8%
Q1 25
-65.4%
Q4 24
Q3 24
Q2 24
Q1 24
Capex Intensity
AMBQ
AMBQ
ECOR
ECOR
Q4 25
0.0%
Q3 25
0.0%
Q2 25
0.3%
Q1 25
0.6%
Q4 24
Q3 24
Q2 24
Q1 24

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%

ECOR
ECOR

Segment breakdown not available.

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