undamentalytics Newsletter

Heartflow vs Si-bone

Heartflow and Si-bone are similar in size: $176m and $201m of revenue in their latest fiscal years. Heartflow grew faster (39.9% against 20.2%). Si-bone kept more of each dollar of sales as profit: a net margin of -9.4% against -66.3%.

Latest fiscal yearHeartflowHTFL, 2025Si-boneSIBN, 2025
Revenue $176m $201m
Revenue growth 39.9% 20.2%
Net income −$117m −$18.9m
Operating margin -36.4% -11.1%
Net margin -66.3% -9.4%
Return on equity — -11.0%
Free cash flow −$59.0m −$9.1m
Cash $44.8m $42.2m
Total debt — $36.0m
Debt to equity — 20.3%
Dividend per share — —
Dividend yield — —
Share buybacks — —
Employees 843 376
Market value $4.75bn $1.05bn
Price vs our value range — —
Moat score — 27 (Weak)
Insider trades, 12 months 1 buys, 38 sales 0 buys, 106 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.

Go deeper

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.