MetaCap

ERock (EROC) vs 908 Devices (MASS)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.

Summary

ERock is the larger company by market cap ($615.4 million vs $462.5 million), about 1.3 times the size.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

EROC-30.24%MASS+47.07%
+65%+4%-58%
Jun 10, 20261 yearOct 7, 2026
EROC-22.83%MASS+42.44%
+58%+7%-44%
Jun 8, 20265 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

EROC versus MASS key metrics
MetricEROCMASS
Share price$12.78$11.19
Market cap$615.42M$462.52M
1-day change-2.41%-5.01%
YTD return—+124.38%
1-year return—+32.21%
5-year return—-63.23%
P/E ratio (TTM)45.63—
Forward P/E25.17—
EPS (TTM)$0.28$-0.94
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$20.70$13.35
52-week low$8.88$5.03
Distance from 52-week high-38.29%-16.17%
Analyst consensusstrong_buynone
Avg. price target upside+76.13%+19.57%
Average volume2.47M404.42K
Shares outstanding48.17M41.33M
Employees385172
SectorEnergyIndustrials
IndustryIndustrial Machinery/ComponentsIndustrial Machinery/Components

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

  • The two companies sit in different sectors: ERock in Energy and 908 Devices in Industrials.

About ERock

EROC stock →

ERock, Inc. designs, deploys, sells, operates, and maintains distributed power generation systems designed to provide power for commercial and industrial customers in the United States.

Energy · Industrial Machinery/Components · 385 employees

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

EROC vs MASS FAQ

Which is bigger, ERock or 908 Devices?

ERock (EROC) is larger, with a market capitalization of $615.42M compared with $462.52M for 908 Devices (MASS).

Are ERock and 908 Devices in the same industry?

Yes. Both are classified in the Industrial Machinery/Components industry within the Energy sector.

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