908 Devices (MASS) vs Senseonics (SENS)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
908 Devices (MASS) has outperformed Senseonics (SENS) over the past year, gaining 32.2% versus a loss of 2.3%. Over five years, MASS leads with a -63.2% price change compared with -86.1% for SENS. 908 Devices is the larger company by market cap ($472.9 million vs $472.7 million), about 1.0 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 | MASS | SENS |
|---|---|---|
| Share price | $11.44 | $8.94 |
| Market cap | $472.86M | $472.69M |
| 1-day change | -2.89% | -2.40% |
| YTD return | +124.38% | +65.94% |
| 1-year return | +32.21% | -2.35% |
| 5-year return | -63.23% | -86.12% |
| EPS (TTM) | $-0.94 | $-2.23 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $13.35 | $10.64 |
| 52-week low | $5.03 | $4.79 |
| Distance from 52-week high | -14.29% | -15.98% |
| Analyst consensus | none | buy |
| Avg. price target upside | +16.96% | +51.01% |
| Average volume | 404.42K | 675.36K |
| Shares outstanding | 41.33M | 52.87M |
| Employees | 172 | 130 |
| Sector | Industrials | Health Care |
| Industry | Industrial Machinery/Components | 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
- MASS has outperformed SENS by 34.6 percentage points over the past year.
- The two companies sit in different sectors: 908 Devices in Industrials and Senseonics in Health Care.
About 908 Devices
MASS stock →908 Devices Inc. provides purpose-built handheld mass spectrometry and fourier transform infrared (FTIR) devices for use in vital health and safety applications.
Industrials · Industrial Machinery/Components · 172 employees
About Senseonics
SENS stock →Senseonics Holdings, Inc., a commercial-stage medical technology company, focuses on development and manufacturing of continuous glucose monitoring (CGM) systems for people with diabetes in the United States and internationally. Its products include Eversense, Eversense XL, Eversense E3, and Eversense 365, which are implantable CGM systems to measure glucose levels in people with diabetes through an under-the-skin sensor, a removable and rechargeable smart transmitter, and an app for real-time diabetes monitoring and management.
Health Care · Medical/Dental Instruments · 130 employees
MASS vs SENS FAQ
Which is bigger, 908 Devices or Senseonics?
908 Devices (MASS) is larger, with a market capitalization of $472.86M compared with $472.69M for Senseonics (SENS).
Which stock has performed better over the past year, MASS or SENS?
MASS returned +32.21% over the past 12 months, compared with -2.35% for SENS (price return, excluding dividends). Past performance does not predict future results.
Are 908 Devices and Senseonics in the same industry?
No. 908 Devices is in the Industrials sector, while Senseonics is in Health Care.