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

Medirom Healthcare Technologies Inc. is the larger business by last-quarter revenue ($21.1M vs $18.2M, roughly 1.2× Ambiq Micro, Inc.). Medirom Healthcare Technologies Inc. runs the higher net margin — -21.3% vs -49.6%, a 28.3% 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...

Medirom Healthcare Technologies Inc. develops and delivers integrated digital health and remote patient monitoring solutions targeted at chronic disease management, post-operative care, and senior health support. It serves healthcare providers, insurance payers, and institutional care partners across key markets in North America and the Asia-Pacific region, prioritizing accessible, data-driven care to improve patient outcomes.

AMBQ vs MRM — Head-to-Head

Bigger by revenue
MRM
MRM
1.2× larger
MRM
$21.1M
$18.2M
AMBQ
Higher net margin
MRM
MRM
28.3% more per $
MRM
-21.3%
-49.6%
AMBQ

Income Statement — Q3 FY2025 vs Q2 FY2025

Metric
AMBQ
AMBQ
MRM
MRM
Revenue
$18.2M
$21.1M
Net Profit
$-9.0M
$-4.5M
Gross Margin
42.3%
10.8%
Operating Margin
-55.3%
-28.5%
Net Margin
-49.6%
-21.3%
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
MRM
MRM
Q3 25
$18.2M
Q2 25
$17.9M
$21.1M
Net Profit
AMBQ
AMBQ
MRM
MRM
Q3 25
$-9.0M
Q2 25
$-8.5M
$-4.5M
Gross Margin
AMBQ
AMBQ
MRM
MRM
Q3 25
42.3%
Q2 25
40.1%
10.8%
Operating Margin
AMBQ
AMBQ
MRM
MRM
Q3 25
-55.3%
Q2 25
-49.2%
-28.5%
Net Margin
AMBQ
AMBQ
MRM
MRM
Q3 25
-49.6%
Q2 25
-47.5%
-21.3%
EPS (diluted)
AMBQ
AMBQ
MRM
MRM
Q3 25
$-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
AMBQ
AMBQ
MRM
MRM
Cash + ST InvestmentsLiquidity on hand
$146.5M
$252.3K
Total DebtLower is stronger
$8.8M
Stockholders' EquityBook value
$169.8M
$1.6M
Total Assets
$186.7M
$52.0M
Debt / EquityLower = less leverage
5.55×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBQ
AMBQ
MRM
MRM
Q3 25
$146.5M
Q2 25
$47.5M
$252.3K
Total Debt
AMBQ
AMBQ
MRM
MRM
Q3 25
Q2 25
$8.8M
Stockholders' Equity
AMBQ
AMBQ
MRM
MRM
Q3 25
$169.8M
Q2 25
$-307.3M
$1.6M
Total Assets
AMBQ
AMBQ
MRM
MRM
Q3 25
$186.7M
Q2 25
$89.2M
$52.0M
Debt / Equity
AMBQ
AMBQ
MRM
MRM
Q3 25
Q2 25
5.55×

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
MRM
MRM
Operating Cash FlowLast quarter
$-5.0M
$-2.3K
Free Cash FlowOCF − Capex
$-2.4K
FCF MarginFCF / Revenue
-0.0%
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
MRM
MRM
Q3 25
$-5.0M
Q2 25
$-10.5M
$-2.3K
Free Cash Flow
AMBQ
AMBQ
MRM
MRM
Q3 25
Q2 25
$-2.4K
FCF Margin
AMBQ
AMBQ
MRM
MRM
Q3 25
Q2 25
-0.0%
Capex Intensity
AMBQ
AMBQ
MRM
MRM
Q3 25
Q2 25
0.0%

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%

MRM
MRM

Professional services expense$20.0M95%
Other$1.1M5%

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