AtriCure (ATRC) vs ICU Medical (ICUI)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
AtriCure (ATRC) has outperformed ICU Medical (ICUI) over the past year, gaining 56.2% versus a gain of 32.1%. Over five years, ATRC leads with a -25.3% price change compared with -32.4% for ICUI. ICU Medical is the larger company by market cap ($3.90 billion vs $2.71 billion), about 1.4 times the size.
On valuation, ICU Medical trades at a lower forward P/E (16.2x vs 122.8x for AtriCure).
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 | ATRC | ICUI |
|---|---|---|
| Share price | $53.31 | $156.03 |
| Market cap | $2.71B | $3.90B |
| 1-day change | -0.69% | -2.32% |
| YTD return | +34.76% | +9.36% |
| 1-year return | +56.24% | +32.12% |
| 5-year return | -25.30% | -32.41% |
| P/E ratio (TTM) | 253.86 | 134.51 |
| Forward P/E | 122.84 | 16.18 |
| EPS (TTM) | $0.21 | $1.16 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | — | $2.23B |
| Revenue growth (YoY) | — | -6.33% |
| Net income (latest FY) | — | $732.00K |
| Gross margin | — | 36.84% |
| Operating margin | — | 1.92% |
| Net margin | — | 0.03% |
| 52-week high | $61.70 | $192.85 |
| 52-week low | $25.36 | $112.50 |
| Distance from 52-week high | -13.60% | -19.09% |
| Analyst consensus | buy | buy |
| Avg. price target upside | +2.96% | +23.94% |
| Average volume | 1.10M | 278.57K |
| Shares outstanding | 50.87M | 25.01M |
| Employees | 1,350 | 13,000 |
| Sector | Healthcare | Health Care |
| Industry | Medical Instruments & Supplies | 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
- ATRC has outperformed ICUI by 24.1 percentage points over the past year.
- AtriCure trades at a higher earnings multiple (253.9x vs 134.5x trailing P/E).
- The two companies sit in different sectors: AtriCure in Healthcare and ICU Medical in Health Care.
About AtriCure
ATRC stock →AtriCure, Inc. engages in the development, manufacture, and sale of devices for surgical ablation of cardiac tissue, exclusion of the left atrial appendage, and temporarily blocking pain by ablating peripheral nerves to medical centers in the United States, the Asia-Pacific, and internationally.
Healthcare · Medical Instruments & Supplies · 1,350 employees
About ICU Medical
ICUI stock →ICU Medical, Inc., together with its subsidiaries, develops, manufactures, and sells medical products used in infusion therapy, vascular access, and vital care applications worldwide. It offers Clave needlefree products under the MicroClave, MicroClave Clear, and NanoClave brands; Neutron catheter patency devices; ChemoLock closed system transfer devices and ChemoClaveTM for preparation and administration of hazardous drugs; Tego needle free connectors; Deltec GRIPPER non-coring needles for portal access; ClearGuard, SwabCap, and SwabTip disinfection caps; and vascular access products.
Health Care · Medical/Dental Instruments · 13,000 employees
ATRC vs ICUI FAQ
Which is bigger, AtriCure or ICU Medical?
ICU Medical (ICUI) is larger, with a market capitalization of $3.90B compared with $2.71B for AtriCure (ATRC).
Which stock has performed better over the past year, ATRC or ICUI?
ATRC returned +56.24% over the past 12 months, compared with +32.12% for ICUI (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, ATRC or ICUI?
ICUI has the lower trailing P/E at 134.5, versus 253.9 for ATRC. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Are AtriCure and ICU Medical in the same industry?
No. AtriCure is in the Healthcare sector, while ICU Medical is in Health Care.