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

Ambiq Micro, Inc. is the larger business by last-quarter revenue ($18.2M vs $1.3M, roughly 14.3× Aeluma, Inc.). Ambiq Micro, Inc. runs the higher net margin — -49.6% vs -145.7%, a 96.1% gap on every dollar of revenue.

Aeluma, Inc. is a U.S.-headquartered technology firm focused on the design, development, and production of high-performance optoelectronic components and semiconductor products. Its core offerings include photonic sensors and laser diodes, serving the LiDAR, 5G/6G communication, industrial sensing, and automotive markets across North America and the Asia-Pacific region.

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...

ALMU vs AMBQ — Head-to-Head

Bigger by revenue
AMBQ
AMBQ
14.3× larger
AMBQ
$18.2M
$1.3M
ALMU
Higher net margin
AMBQ
AMBQ
96.1% more per $
AMBQ
-49.6%
-145.7%
ALMU

Income Statement — Q2 2026 vs Q3 2025

Metric
ALMU
ALMU
AMBQ
AMBQ
Revenue
$1.3M
$18.2M
Net Profit
$-1.9M
$-9.0M
Gross Margin
27.8%
42.3%
Operating Margin
-163.6%
-55.3%
Net Margin
-145.7%
-49.6%
Revenue YoY
-21.1%
Net Profit YoY
36.0%
EPS (diluted)
$-0.11
$-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
ALMU
ALMU
AMBQ
AMBQ
Q4 25
$1.3M
Q3 25
$1.4M
$18.2M
Q2 25
$17.9M
Net Profit
ALMU
ALMU
AMBQ
AMBQ
Q4 25
$-1.9M
Q3 25
$-1.5M
$-9.0M
Q2 25
$-8.5M
Gross Margin
ALMU
ALMU
AMBQ
AMBQ
Q4 25
27.8%
Q3 25
49.4%
42.3%
Q2 25
40.1%
Operating Margin
ALMU
ALMU
AMBQ
AMBQ
Q4 25
-163.6%
Q3 25
-116.1%
-55.3%
Q2 25
-49.2%
Net Margin
ALMU
ALMU
AMBQ
AMBQ
Q4 25
-145.7%
Q3 25
-107.8%
-49.6%
Q2 25
-47.5%
EPS (diluted)
ALMU
ALMU
AMBQ
AMBQ
Q4 25
$-0.11
Q3 25
$-0.09
$-0.72
Q2 25
$-18.89

Balance Sheet & Financial Strength

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

Metric
ALMU
ALMU
AMBQ
AMBQ
Cash + ST InvestmentsLiquidity on hand
$38.6M
$146.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$40.8M
$169.8M
Total Assets
$42.6M
$186.7M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALMU
ALMU
AMBQ
AMBQ
Q4 25
$38.6M
Q3 25
$25.9M
$146.5M
Q2 25
$47.5M
Stockholders' Equity
ALMU
ALMU
AMBQ
AMBQ
Q4 25
$40.8M
Q3 25
$40.9M
$169.8M
Q2 25
$-307.3M
Total Assets
ALMU
ALMU
AMBQ
AMBQ
Q4 25
$42.6M
Q3 25
$42.7M
$186.7M
Q2 25
$89.2M

Cash Flow & Capital Efficiency

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

Metric
ALMU
ALMU
AMBQ
AMBQ
Operating Cash FlowLast quarter
$-251.0K
$-5.0M
Free Cash FlowOCF − Capex
$-282.0K
FCF MarginFCF / Revenue
-22.2%
Capex IntensityCapex / Revenue
2.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALMU
ALMU
AMBQ
AMBQ
Q4 25
$-251.0K
Q3 25
$-815.0K
$-5.0M
Q2 25
$-10.5M
Free Cash Flow
ALMU
ALMU
AMBQ
AMBQ
Q4 25
$-282.0K
Q3 25
$-1.0M
Q2 25
FCF Margin
ALMU
ALMU
AMBQ
AMBQ
Q4 25
-22.2%
Q3 25
-74.0%
Q2 25
Capex Intensity
ALMU
ALMU
AMBQ
AMBQ
Q4 25
2.4%
Q3 25
15.2%
Q2 25

Financial Flow Comparison

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

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