SI-BONE (SIBN) vs Tandem Diabetes Care (TNDM)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 10, 2026.
Summary
SI-BONE (SIBN) has outperformed Tandem Diabetes Care (TNDM) over the past year, gaining 23.2% versus a gain of 8.7%. Over five years, SIBN leads with a -15.2% price change compared with -87.5% for TNDM. Tandem Diabetes Care is the larger company by market cap ($1.12 billion vs $868.1 million), about 1.3 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 | SIBN | TNDM |
|---|---|---|
| Share price | $19.37 | $16.11 |
| Market cap | $868.14M | $1.12B |
| 1-day change | +2.70% | +2.78% |
| YTD return | -1.77% | -26.71% |
| 1-year return | +23.22% | +8.70% |
| 5-year return | -15.23% | -87.50% |
| Forward P/E | — | 101.35 |
| EPS (TTM) | $-0.34 | $-0.91 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $21.89 | $29.65 |
| 52-week low | $11.48 | $12.26 |
| Distance from 52-week high | -11.51% | -45.67% |
| Analyst consensus | strong_buy | buy |
| Avg. price target upside | +30.20% | +72.94% |
| Average volume | 545.42K | 2.02M |
| Shares outstanding | 44.82M | 69.58M |
| Employees | 376 | 2,500 |
| 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
- SIBN has outperformed TNDM by 14.5 percentage points over the past year.
About SI-BONE
SIBN stock →SI-BONE, Inc., a medical device company, develops procedural solutions for compromised bone, grounded in expertise in biomechanical design and anatomy-specific applications in the United States and internationally. It offers a series of patented titanium implants and the instruments used to implant them, as well as implantable bone products.
Health Care · Medical/Dental Instruments · 376 employees
About Tandem Diabetes Care
TNDM stock →Tandem Diabetes Care, Inc. designs, develops, and commercializes technology solutions for people living with diabetes in the United States and internationally.
Health Care · Medical/Dental Instruments · 2,500 employees
SIBN vs TNDM FAQ
Which is bigger, SI-BONE or Tandem Diabetes Care?
Tandem Diabetes Care (TNDM) is larger, with a market capitalization of $1.12B compared with $868.14M for SI-BONE (SIBN).
Which stock has performed better over the past year, SIBN or TNDM?
SIBN returned +23.22% over the past 12 months, compared with +8.70% for TNDM (price return, excluding dividends). Past performance does not predict future results.
Are SI-BONE and Tandem Diabetes Care in the same industry?
Yes. Both are classified in the Medical/Dental Instruments industry within the Health Care sector.