Heartflow (HTFL) vs iRhythm (IRTC)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Heartflow (HTFL) has outperformed iRhythm (IRTC) over the past year, gaining 41.1% versus a loss of 40.9%. Heartflow is the larger company by market cap ($4.29 billion vs $3.46 billion), about 1.2 times the size. iRhythm converts more of its revenue into profit, with a net margin of -6.0% versus -66.3%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | HTFL | IRTC |
|---|---|---|
| Share price | $49.36 | $104.99 |
| Market cap | $4.29B | $3.46B |
| 1-day change | -2.62% | -2.06% |
| YTD return | +69.33% | -40.83% |
| 1-year return | +41.07% | -40.89% |
| 5-year return | — | +45.23% |
| Forward P/E | — | 81.92 |
| EPS (TTM) | $-0.24 | $-0.42 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $176.03M | $747.14M |
| Revenue growth (YoY) | +39.92% | +26.24% |
| Net income (latest FY) | $-116.79M | $-44.55M |
| Gross margin | 76.80% | 70.57% |
| Operating margin | -36.39% | -7.68% |
| Net margin | -66.35% | -5.96% |
| 52-week high | $54.32 | $212.00 |
| 52-week low | $20.13 | $100.85 |
| Distance from 52-week high | -9.13% | -50.48% |
| Analyst consensus | none | strong_buy |
| Avg. price target upside | -6.81% | +65.66% |
| Average volume | 1.79M | 570.39K |
| Shares outstanding | 86.95M | 32.96M |
| Employees | 843 | 2,400 |
| Sector | Health Care | Health Care |
| Industry | Medical/Dental Instruments | Medical/Dental Instruments |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- HTFL has outperformed IRTC by 82.0 percentage points over the past year.
- iRhythm is more profitable, keeping -6.0 cents of every revenue dollar as net income versus -66.3 cents for Heartflow.
- Heartflow grew revenue faster in its latest fiscal year (+39.92% vs +26.24%).
About Heartflow
HTFL stock →HeartFlow, Inc., a medical technology company, provides non-invasive solutions for diagnosing and managing coronary artery diseases the United States and worldwide. Its HeartFlow Platform uses AI and computational fluid dynamics to creates a personalized 3D model of a patient's heart from a single coronary computed tomography angiography, a specialized type of scan that provides detailed images of the heart's arteries.
Health Care · Medical/Dental Instruments · 843 employees
About iRhythm
IRTC stock →iRhythm Holdings, Inc., a digital healthcare company, engages in the design, development, and commercialization of device-based technology that provides ambulatory cardiac monitoring services to diagnose arrhythmias in the United States. The company offers Zio ambulatory cardiac monitoring services, including long-term and short-term continuous monitoring and mobile cardiac telemetry monitoring services.
Health Care · Medical/Dental Instruments · 2,400 employees
HTFL vs IRTC FAQ
Which is bigger, Heartflow or iRhythm?
Heartflow (HTFL) is larger, with a market capitalization of $4.29B compared with $3.46B for iRhythm (IRTC).
Which stock has performed better over the past year, HTFL or IRTC?
HTFL returned +41.07% over the past 12 months, compared with -40.89% for IRTC (price return, excluding dividends). Past performance does not predict future results.
Are Heartflow and iRhythm in the same industry?
Yes. Both are classified in the Medical/Dental Instruments industry within the Health Care sector.