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Side-by-side financial comparison of Ambiq Micro, Inc. (AMBQ) and 908 Devices Inc. (MASS). Click either name above to swap in a different company.

Ambiq Micro, Inc. is the larger business by last-quarter revenue ($18.2M vs $17.4M, roughly 1.0× 908 Devices Inc.). 908 Devices Inc. runs the higher net margin — 24.0% vs -49.6%, a 73.6% 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...

908 Devices Inc. develops and manufactures portable, high-performance mass spectrometry devices and analytical solutions. Its products serve use cases across life science research, biopharmaceutical manufacturing, public safety, forensics, and industrial process monitoring, catering to global customers including research institutions, pharmaceutical firms and government agencies.

AMBQ vs MASS — Head-to-Head

Bigger by revenue
AMBQ
AMBQ
1.0× larger
AMBQ
$18.2M
$17.4M
MASS
Higher net margin
MASS
MASS
73.6% more per $
MASS
24.0%
-49.6%
AMBQ

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
AMBQ
AMBQ
MASS
MASS
Revenue
$18.2M
$17.4M
Net Profit
$-9.0M
$4.2M
Gross Margin
42.3%
52.7%
Operating Margin
-55.3%
17.8%
Net Margin
-49.6%
24.0%
Revenue YoY
21.2%
Net Profit YoY
121.5%
EPS (diluted)
$-0.72
$0.09

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
MASS
MASS
Q4 25
$17.4M
Q3 25
$18.2M
$14.0M
Q2 25
$17.9M
$13.0M
Q1 25
$11.8M
Q4 24
$14.3M
Q3 24
$14.5M
Q2 24
$11.5M
Q1 24
$7.4M
Net Profit
AMBQ
AMBQ
MASS
MASS
Q4 25
$4.2M
Q3 25
$-9.0M
$-15.0M
Q2 25
$-8.5M
$-13.3M
Q1 25
$43.6M
Q4 24
$-19.4M
Q3 24
$-29.3M
Q2 24
$-12.5M
Q1 24
$-10.9M
Gross Margin
AMBQ
AMBQ
MASS
MASS
Q4 25
52.7%
Q3 25
42.3%
52.5%
Q2 25
40.1%
48.9%
Q1 25
47.0%
Q4 24
46.5%
Q3 24
53.6%
Q2 24
53.8%
Q1 24
52.4%
Operating Margin
AMBQ
AMBQ
MASS
MASS
Q4 25
17.8%
Q3 25
-55.3%
-116.6%
Q2 25
-49.2%
-116.3%
Q1 25
-93.6%
Q4 24
-116.8%
Q3 24
-168.7%
Q2 24
-74.5%
Q1 24
-102.5%
Net Margin
AMBQ
AMBQ
MASS
MASS
Q4 25
24.0%
Q3 25
-49.6%
-107.0%
Q2 25
-47.5%
-102.1%
Q1 25
370.2%
Q4 24
-135.6%
Q3 24
-201.8%
Q2 24
-109.5%
Q1 24
-147.1%
EPS (diluted)
AMBQ
AMBQ
MASS
MASS
Q4 25
$0.09
Q3 25
$-0.72
$-0.41
Q2 25
$-18.89
$-0.37
Q1 25
$1.23
Q4 24
$-0.58
Q3 24
$-0.84
Q2 24
$-0.37
Q1 24
$-0.33

Balance Sheet & Financial Strength

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

Metric
AMBQ
AMBQ
MASS
MASS
Cash + ST InvestmentsLiquidity on hand
$146.5M
$113.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$169.8M
$143.7M
Total Assets
$186.7M
$190.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBQ
AMBQ
MASS
MASS
Q4 25
$113.0M
Q3 25
$146.5M
$112.1M
Q2 25
$47.5M
$118.6M
Q1 25
$124.3M
Q4 24
$69.6M
Q3 24
$71.7M
Q2 24
$77.4M
Q1 24
$134.2M
Stockholders' Equity
AMBQ
AMBQ
MASS
MASS
Q4 25
$143.7M
Q3 25
$169.8M
$136.3M
Q2 25
$-307.3M
$148.8M
Q1 25
$159.4M
Q4 24
$114.6M
Q3 24
$131.0M
Q2 24
$156.4M
Q1 24
$156.9M
Total Assets
AMBQ
AMBQ
MASS
MASS
Q4 25
$190.1M
Q3 25
$186.7M
$190.9M
Q2 25
$89.2M
$191.7M
Q1 25
$196.0M
Q4 24
$159.5M
Q3 24
$178.3M
Q2 24
$208.8M
Q1 24
$189.8M

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
MASS
MASS
Operating Cash FlowLast quarter
$-5.0M
$1.3M
Free Cash FlowOCF − Capex
$1.3M
FCF MarginFCF / Revenue
7.6%
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
0.32×
TTM Free Cash FlowTrailing 4 quarters
$-24.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMBQ
AMBQ
MASS
MASS
Q4 25
$1.3M
Q3 25
$-5.0M
$-4.2M
Q2 25
$-10.5M
$-5.8M
Q1 25
$-15.0M
Q4 24
$-2.2M
Q3 24
$-5.6M
Q2 24
$-13.0M
Q1 24
$-9.4M
Free Cash Flow
AMBQ
AMBQ
MASS
MASS
Q4 25
$1.3M
Q3 25
$-4.9M
Q2 25
$-5.9M
Q1 25
$-15.2M
Q4 24
$-2.4M
Q3 24
$-5.8M
Q2 24
$-13.7M
Q1 24
$-10.3M
FCF Margin
AMBQ
AMBQ
MASS
MASS
Q4 25
7.6%
Q3 25
-34.9%
Q2 25
-45.3%
Q1 25
-128.9%
Q4 24
-17.0%
Q3 24
-39.7%
Q2 24
-119.4%
Q1 24
-138.2%
Capex Intensity
AMBQ
AMBQ
MASS
MASS
Q4 25
0.0%
Q3 25
4.9%
Q2 25
0.9%
Q1 25
1.4%
Q4 24
1.3%
Q3 24
1.1%
Q2 24
5.6%
Q1 24
12.2%
Cash Conversion
AMBQ
AMBQ
MASS
MASS
Q4 25
0.32×
Q3 25
Q2 25
Q1 25
-0.34×
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%

MASS
MASS

Products$14.3M82%
Services$3.0M18%

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