Alphatec (ATEC) vs Shoulder Innovations (SI)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Shoulder Innovations (SI) has outperformed Alphatec (ATEC) over the past year, gaining 42.8% versus a loss of 23.8%. Alphatec is the larger company by market cap ($1.58 billion vs $389.5 million), about 4.1 times the size.
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 | SI |
|---|---|---|
| Share price | $10.25 | $18.71 |
| Market cap | $1.58B | $389.52M |
| 1-day change | -2.75% | -2.25% |
| YTD return | -51.28% | +30.84% |
| 1-year return | -23.79% | +42.82% |
| 5-year return | -15.91% | — |
| P/E ratio (TTM) | — | 23.10 |
| Forward P/E | 17.07 | — |
| EPS (TTM) | $-0.70 | $0.81 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $23.29 | $24.60 |
| 52-week low | $6.82 | $10.92 |
| Distance from 52-week high | -55.99% | -23.93% |
| Analyst consensus | none | strong_buy |
| Avg. price target upside | +54.05% | +40.30% |
| Average volume | 2.16M | 117.06K |
| Shares outstanding | 154.45M | 20.82M |
| Employees | 913 | — |
| 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
- Alphatec is about 4.1 times larger than Shoulder Innovations by market value ($1.58B vs $389.52M).
- SI has outperformed ATEC by 66.6 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
ATEC vs SI FAQ
Which is bigger, Alphatec or Shoulder Innovations?
Alphatec (ATEC) is larger, with a market capitalization of $1.58B compared with $389.52M for Shoulder Innovations (SI).
Which stock has performed better over the past year, ATEC or SI?
SI returned +42.82% 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 Shoulder Innovations in the same industry?
Yes. Both are classified in the Medical/Dental Instruments industry within the Health Care sector.