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Side-by-side financial comparison of Aptorum Group Ltd (APM) and Quantum-Si Inc (QSI). Click either name above to swap in a different company.

Quantum-Si Inc is the larger business by last-quarter revenue ($451.0K vs $442.8K, roughly 1.0× Aptorum Group Ltd). Aptorum Group Ltd runs the higher net margin — -63.8% vs -3904.9%, a 3841.1% gap on every dollar of revenue.

Aptorum Group Ltd is a global biopharmaceutical enterprise dedicated to researching, developing and commercializing innovative therapeutic and diagnostic solutions. Its core focus areas cover infectious diseases, women’s health, and rare disorders, with key markets spanning North America and the Asia-Pacific region.

Silicon Quantum Computing Pty Ltd (SQC) is a Sydney, Australia-based quantum computing company.

APM vs QSI — Head-to-Head

Bigger by revenue
QSI
QSI
1.0× larger
QSI
$451.0K
$442.8K
APM
Higher net margin
APM
APM
3841.1% more per $
APM
-63.8%
-3904.9%
QSI

Income Statement — Q4 2025 vs Q4 2025

Metric
APM
APM
QSI
QSI
Revenue
$442.8K
$451.0K
Net Profit
$-282.5K
$-17.6M
Gross Margin
27.1%
Operating Margin
-52.6%
-4677.2%
Net Margin
-63.8%
-3904.9%
Revenue YoY
-62.2%
Net Profit YoY
46.8%
EPS (diluted)
$-0.04
$-0.07

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
APM
APM
QSI
QSI
Q4 25
$442.8K
$451.0K
Q3 25
$208.8K
$552.0K
Q2 25
$591.0K
Q1 25
$842.0K
Q4 24
$1.2M
Q3 24
$787.0K
Q2 24
$622.0K
Q1 24
$457.0K
Net Profit
APM
APM
QSI
QSI
Q4 25
$-282.5K
$-17.6M
Q3 25
$-614.0K
$-35.7M
Q2 25
$-28.8M
Q1 25
$-19.2M
Q4 24
$-33.1M
Q3 24
$-25.3M
Q2 24
$-23.1M
Q1 24
$-19.5M
Gross Margin
APM
APM
QSI
QSI
Q4 25
27.1%
Q3 25
35.1%
Q2 25
59.4%
Q1 25
57.7%
Q4 24
51.2%
Q3 24
46.6%
Q2 24
56.9%
Q1 24
58.9%
Operating Margin
APM
APM
QSI
QSI
Q4 25
-52.6%
-4677.2%
Q3 25
-71.9%
-7205.3%
Q2 25
-5096.4%
Q1 25
-2982.4%
Q4 24
-2573.6%
Q3 24
-3569.0%
Q2 24
-4252.6%
Q1 24
-5111.6%
Net Margin
APM
APM
QSI
QSI
Q4 25
-63.8%
-3904.9%
Q3 25
-294.0%
-6467.9%
Q2 25
-4879.2%
Q1 25
-2279.0%
Q4 24
-2778.6%
Q3 24
-3216.4%
Q2 24
-3713.7%
Q1 24
-4261.3%
EPS (diluted)
APM
APM
QSI
QSI
Q4 25
$-0.04
$-0.07
Q3 25
$-0.09
$-0.17
Q2 25
$-0.16
Q1 25
$-0.11
Q4 24
$-0.23
Q3 24
$-0.18
Q2 24
$-0.16
Q1 24
$-0.14

Balance Sheet & Financial Strength

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

Metric
APM
APM
QSI
QSI
Cash + ST InvestmentsLiquidity on hand
$3.5M
$21.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$23.1M
$220.2M
Total Assets
$18.7M
$245.6M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
APM
APM
QSI
QSI
Q4 25
$3.5M
$21.6M
Q3 25
$56.8K
$30.9M
Q2 25
$22.2M
Q1 25
$37.3M
Q4 24
$49.2M
Q3 24
$42.3M
Q2 24
$59.6M
Q1 24
$53.2M
Stockholders' Equity
APM
APM
QSI
QSI
Q4 25
$23.1M
$220.2M
Q3 25
$22.5M
$235.2M
Q2 25
$221.0M
Q1 25
$246.9M
Q4 24
$215.4M
Q3 24
$210.5M
Q2 24
$233.3M
Q1 24
$253.8M
Total Assets
APM
APM
QSI
QSI
Q4 25
$18.7M
$245.6M
Q3 25
$17.6M
$260.1M
Q2 25
$254.4M
Q1 25
$271.2M
Q4 24
$247.9M
Q3 24
$236.5M
Q2 24
$256.7M
Q1 24
$275.6M

Cash Flow & Capital Efficiency

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

Metric
APM
APM
QSI
QSI
Operating Cash FlowLast quarter
$-145.9K
$-16.3M
Free Cash FlowOCF − Capex
$-16.4M
FCF MarginFCF / Revenue
-3628.4%
Capex IntensityCapex / Revenue
3.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-97.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
APM
APM
QSI
QSI
Q4 25
$-145.9K
$-16.3M
Q3 25
$-484.3K
$-32.0M
Q2 25
$-20.2M
Q1 25
$-26.2M
Q4 24
$-22.9M
Q3 24
$-23.2M
Q2 24
$-18.6M
Q1 24
$-23.2M
Free Cash Flow
APM
APM
QSI
QSI
Q4 25
$-16.4M
Q3 25
$-32.9M
Q2 25
$-20.5M
Q1 25
$-27.5M
Q4 24
$-24.3M
Q3 24
$-24.1M
Q2 24
$-19.7M
Q1 24
$-24.3M
FCF Margin
APM
APM
QSI
QSI
Q4 25
-3628.4%
Q3 25
-5963.6%
Q2 25
-3472.8%
Q1 25
-3261.4%
Q4 24
-2039.9%
Q3 24
-3065.8%
Q2 24
-3164.0%
Q1 24
-5307.2%
Capex Intensity
APM
APM
QSI
QSI
Q4 25
3.8%
Q3 25
163.0%
Q2 25
55.3%
Q1 25
155.2%
Q4 24
120.4%
Q3 24
123.9%
Q2 24
181.2%
Q1 24
228.9%

Financial Flow Comparison

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

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