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Cardio Diagnostics Holdings vs Heartsciences

Cardio Diagnostics Holdings is the larger business, with $14,825 of revenue in fiscal 2025 against $4,319 for Heartsciences (3.4 times as much). Heartsciences grew faster (-0.7% against -57.5%). Cardio Diagnostics Holdings kept more of each dollar of sales as profit: a net margin of -43832.5% against -211666.5%. Cardio Diagnostics Holdings carries less debt relative to equity (0.0% against 1602.3%).

Latest fiscal yearCardio Diagnostics HoldingsCDIO, 2025HeartsciencesHSCS, 2026
Revenue $14,825 $4,319
Revenue growth -57.5% -0.7%
Net income −$6.5m −$9.1m
Operating margin -43737.5% -194787.4%
Net margin -43832.5% -211666.5%
Return on equity -78.6% —
Free cash flow −$5.9m −$7.4m
Cash $0 $1.7m
Total debt $0 $3.6m
Debt to equity 0.0% 1602.3%
Dividend per share — —
Dividend yield — —
Share buybacks — —
Employees 15 14
Market value $4.8m $11.6m
Price vs our value range — —
Moat score — —
Insider trades, 12 months 0 buys, 0 sales 0 buys, 0 sales

Each figure is from the company's latest annual report and links to the page it comes from. Fiscal years can end on different dates. Market value and the value verdict use the delayed price shown on the stock pages. Not a recommendation.

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Figures from each company's latest annual report filed with the SEC (10-K or 20-F), as reported, with the fiscal year shown. Not investment advice. How we read filings: methodology.