Alphatec (ATEC) vs Inspire Medical Systems (INSP)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Inspire Medical Systems (INSP) has outperformed Alphatec (ATEC) over the past year, losing 12.2% versus a loss of 23.8%. Over five years, ATEC leads with a -15.9% price change compared with -72.5% for INSP. Inspire Medical Systems is the larger company by market cap ($1.93 billion vs $1.60 billion), about 1.2 times the size.
On valuation, Alphatec trades at a lower forward P/E (17.2x vs 43.2x for Inspire Medical Systems).
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 | ATEC | INSP |
|---|---|---|
| Share price | $10.35 | $66.69 |
| Market cap | $1.60B | $1.93B |
| 1-day change | +0.98% | -1.13% |
| YTD return | -51.28% | -26.87% |
| 1-year return | -23.79% | -12.20% |
| 5-year return | -15.91% | -72.49% |
| P/E ratio (TTM) | — | 14.69 |
| Forward P/E | 17.24 | 43.16 |
| EPS (TTM) | $-0.72 | $4.54 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $23.29 | $147.03 |
| 52-week low | $6.82 | $38.91 |
| Distance from 52-week high | -55.56% | -54.64% |
| Analyst consensus | none | hold |
| Avg. price target upside | +52.56% | -2.53% |
| Average volume | 2.14M | 799.27K |
| Shares outstanding | 154.45M | 28.91M |
| Employees | 913 | 1,333 |
| 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
- INSP has outperformed ATEC by 11.6 percentage points over the past year.
About Alphatec
ATEC stock →Alphatec Holdings, Inc., a medical technology company, designs, develops, and advances technologies for the surgical treatment of spinal disorders in the United States and internationally. The company manufactures and sells implants, instruments, imaging equipment, and spare parts.
Health Care · Medical/Dental Instruments · 913 employees
About Inspire Medical Systems
INSP stock →Inspire Medical Systems, Inc., a medical technology company, focuses on the development and commercialization of minimally invasive solutions for patients with obstructive sleep apnea (OSA) in the United States and internationally. The company offers Inspire system, a neurostimulation technology that provides a safe and effective treatment for patients with moderate to severe OSA.
Health Care · Medical/Dental Instruments · 1,333 employees
ATEC vs INSP FAQ
Which is bigger, Alphatec or Inspire Medical Systems?
Inspire Medical Systems (INSP) is larger, with a market capitalization of $1.93B compared with $1.60B for Alphatec (ATEC).
Which stock has performed better over the past year, ATEC or INSP?
INSP returned -12.20% over the past 12 months, compared with -23.79% for ATEC (price return, excluding dividends). Past performance does not predict future results.
Are Alphatec and Inspire Medical Systems in the same industry?
Yes. Both are classified in the Medical/Dental Instruments industry within the Health Care sector.