908 Devices (MASS) vs Energy Vault (NRGV)
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 Energy Vault (NRGV) over the past year, gaining 26.2% versus a loss of 1.2%. Over five years, MASS leads with a -63.2% price change compared with -66.4% for NRGV. Energy Vault is the larger company by market cap ($601.9 million vs $477.4 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 | MASS | NRGV |
|---|---|---|
| Share price | $11.55 | $3.31 |
| Market cap | $477.40M | $601.89M |
| 1-day change | -1.95% | -9.56% |
| YTD return | +120.00% | -28.20% |
| 1-year return | +26.23% | -1.19% |
| 5-year return | -63.23% | -66.40% |
| EPS (TTM) | $-0.94 | $-0.67 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $13.35 | $6.65 |
| 52-week low | $5.03 | $2.50 |
| Distance from 52-week high | -13.47% | -50.19% |
| Analyst consensus | none | buy |
| Avg. price target upside | +15.84% | +87.61% |
| Average volume | 408.73K | 4.45M |
| Shares outstanding | 41.33M | 181.84M |
| Employees | 172 | 142 |
| Sector | Industrials | Utilities |
| Industry | Industrial Machinery/Components | Utilities - Renewable |
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 NRGV by 27.4 percentage points over the past year.
- The two companies sit in different sectors: 908 Devices in Industrials and Energy Vault in Utilities.
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 Energy Vault
NRGV stock →Energy Vault Holdings, Inc. develops and deploys utility-scale energy storage solutions in the United States, Switzerland, United Kingdom, North America, Australia, and internationally.
Utilities · Utilities - Renewable · 142 employees
MASS vs NRGV FAQ
Which is bigger, 908 Devices or Energy Vault?
Energy Vault (NRGV) is larger, with a market capitalization of $601.89M compared with $477.40M for 908 Devices (MASS).
Which stock has performed better over the past year, MASS or NRGV?
MASS returned +26.23% over the past 12 months, compared with -1.19% for NRGV (price return, excluding dividends). Past performance does not predict future results.
Are 908 Devices and Energy Vault in the same industry?
No. 908 Devices is in the Industrials sector, while Energy Vault is in Utilities.