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Side-by-side financial comparison of Cardio Diagnostics Holdings, Inc. (CDIO) and Ernexa Therapeutics Inc. (ERNA). Click either name above to swap in a different company.

Cardio Diagnostics Holdings, Inc. is the larger business by last-quarter revenue ($3.6K vs $1.0K, roughly 3.6× Ernexa Therapeutics Inc.). Cardio Diagnostics Holdings, Inc. produced more free cash flow last quarter ($-5.9M vs $-16.2M).

Cardio Diagnostics Holdings, Inc. is a precision cardiovascular healthcare company that develops and commercializes integrated genetic and epigenetic diagnostic tests for early detection of coronary heart disease, heart failure, and other cardiovascular conditions. It primarily serves healthcare providers, clinical laboratories, and patients across the United States, focusing on delivering accessible, personalized cardiovascular care solutions.

Ernexa Therapeutics Inc. is a US-based clinical-stage biotechnology company focused on developing novel targeted therapies for rare neuroendocrine, metabolic, and related rare diseases with high unmet medical needs. It operates in the biopharmaceutical sector, prioritizing advancement of treatment candidates for underserved patient populations.

CDIO vs ERNA — Head-to-Head

Bigger by revenue
CDIO
CDIO
3.6× larger
CDIO
$3.6K
$1.0K
ERNA
More free cash flow
CDIO
CDIO
$10.3M more FCF
CDIO
$-5.9M
$-16.2M
ERNA

Income Statement — Q4 FY2025 vs Q4 FY2024

Metric
CDIO
CDIO
ERNA
ERNA
Revenue
$3.6K
$1.0K
Net Profit
Gross Margin
100.0%
Operating Margin
Net Margin
Revenue YoY
-21.2%
Net Profit YoY
3.6%
6.4%
EPS (diluted)

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
CDIO
CDIO
ERNA
ERNA
Q4 25
$3.6K
Q3 25
$2.9K
Q2 25
$7.5K
Q4 24
$4.5K
$1.0K
Q3 24
$6.6K
$487.0K
Q2 24
$7.9K
$47.0K
Q1 24
$15.9K
$47.0K
Q3 23
$51.0K
Net Profit
CDIO
CDIO
ERNA
ERNA
Q4 25
Q3 25
$-1.7M
Q2 25
$-1.7M
Q4 24
Q3 24
$-1.4M
$-26.6M
Q2 24
$-1.3M
$-5.5M
Q1 24
$-4.2M
$-6.6M
Q3 23
$-5.6M
Gross Margin
CDIO
CDIO
ERNA
ERNA
Q4 25
Q3 25
Q2 25
Q4 24
100.0%
Q3 24
Q2 24
Q1 24
Q3 23
Operating Margin
CDIO
CDIO
ERNA
ERNA
Q4 25
Q3 25
-59950.9%
Q2 25
-22457.5%
Q4 24
Q3 24
-21412.9%
-463.9%
Q2 24
-16295.6%
-10491.5%
Q1 24
-26105.3%
-12312.8%
Q3 23
-10794.1%
Net Margin
CDIO
CDIO
ERNA
ERNA
Q4 25
Q3 25
-60053.8%
Q2 25
-22517.7%
Q4 24
Q3 24
-21467.6%
-5462.8%
Q2 24
-16365.9%
-11763.8%
Q1 24
-26140.0%
-14142.6%
Q3 23
-10962.7%
EPS (diluted)
CDIO
CDIO
ERNA
ERNA
Q4 25
Q3 25
$-0.98
Q2 25
$-0.97
Q4 24
Q3 24
$-1.73
$-73.70
Q2 24
$-1.71
$-15.34
Q1 24
$-5.93
$-1.23
Q3 23
$-1.03

Balance Sheet & Financial Strength

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

Metric
CDIO
CDIO
ERNA
ERNA
Cash + ST InvestmentsLiquidity on hand
$1.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$7.0M
$1.7M
Total Assets
$7.8M
$5.3M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CDIO
CDIO
ERNA
ERNA
Q4 25
Q3 25
Q2 25
Q4 24
$1.7M
Q3 24
$4.3M
Q2 24
$2.6M
Q1 24
$5.1M
Q3 23
$4.6M
Stockholders' Equity
CDIO
CDIO
ERNA
ERNA
Q4 25
$7.0M
Q3 25
$8.2M
Q2 25
$9.7M
Q4 24
$9.6M
$1.7M
Q3 24
$3.7M
$-45.4M
Q2 24
$3.1M
$-8.5M
Q1 24
$3.0M
$-3.4M
Q3 23
$3.6M
Total Assets
CDIO
CDIO
ERNA
ERNA
Q4 25
$7.8M
Q3 25
$8.8M
Q2 25
$10.4M
Q4 24
$10.6M
$5.3M
Q3 24
$4.5M
$7.7M
Q2 24
$4.0M
$46.5M
Q1 24
$4.3M
$49.7M
Q3 23
$52.2M

Cash Flow & Capital Efficiency

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

Metric
CDIO
CDIO
ERNA
ERNA
Operating Cash FlowLast quarter
$-5.7M
$-15.8M
Free Cash FlowOCF − Capex
$-5.9M
$-16.2M
FCF MarginFCF / Revenue
-166361.5%
-1620500.0%
Capex IntensityCapex / Revenue
5269.1%
36900.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-14.3M
$-28.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CDIO
CDIO
ERNA
ERNA
Q4 25
$-5.7M
Q3 25
$-1.4M
Q2 25
$-1.6M
Q4 24
$-5.0M
$-15.8M
Q3 24
$-1.2M
$-6.3M
Q2 24
$-1.2M
$-2.3M
Q1 24
$-1.2M
$-3.7M
Q3 23
$-5.8M
Free Cash Flow
CDIO
CDIO
ERNA
ERNA
Q4 25
$-5.9M
Q3 25
$-1.6M
Q2 25
$-1.6M
Q4 24
$-5.2M
$-16.2M
Q3 24
$-1.2M
$-6.3M
Q2 24
$-1.4M
$-2.5M
Q1 24
$-1.3M
$-3.8M
Q3 23
FCF Margin
CDIO
CDIO
ERNA
ERNA
Q4 25
-166361.5%
Q3 25
-54509.7%
Q2 25
-21273.1%
Q4 24
-115422.6%
-1620500.0%
Q3 24
-17942.3%
-1294.5%
Q2 24
-17513.3%
-5336.2%
Q1 24
-7866.9%
-8187.2%
Q3 23
Capex Intensity
CDIO
CDIO
ERNA
ERNA
Q4 25
5269.1%
Q3 25
5703.5%
Q2 25
250.1%
Q4 24
4759.9%
36900.0%
Q3 24
353.3%
3.9%
Q2 24
2133.4%
529.8%
Q1 24
125.5%
214.9%
Q3 23
0.0%

Financial Flow Comparison

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

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