Amprius Technologies (AMPX) vs Eos Energy Enterprises (EOSE)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Amprius Technologies (AMPX) has outperformed Eos Energy Enterprises (EOSE) over the past year, losing 26.4% versus a loss of 77.3%. Amprius Technologies is the larger company by market cap ($1.34 billion vs $1.09 billion), about 1.2 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 | AMPX | EOSE |
|---|---|---|
| Share price | $9.15 | $3.03 |
| Market cap | $1.34B | $1.09B |
| 1-day change | -1.98% | -2.42% |
| YTD return | +18.25% | -72.95% |
| 1-year return | -26.36% | -77.31% |
| 5-year return | — | -75.32% |
| Forward P/E | 91.45 | — |
| EPS (TTM) | $-0.29 | $-5.80 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $24.23 | $19.86 |
| 52-week low | $7.71 | $2.96 |
| Distance from 52-week high | -62.25% | -84.77% |
| Analyst consensus | strong_buy | buy |
| Avg. price target upside | +151.50% | +114.88% |
| Average volume | 5.53M | 26.68M |
| Shares outstanding | 146.08M | 361.69M |
| Employees | 97 | 787 |
| Sector | Miscellaneous | Miscellaneous |
| Industry | Industrial Machinery/Components | Industrial 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
- AMPX has outperformed EOSE by 50.9 percentage points over the past year.
About Amprius Technologies
AMPX stock →Amprius Technologies, Inc. develops, manufactures, and markets lithium-ion batteries for mobility applications.
Miscellaneous · Industrial Machinery/Components · 97 employees
About Eos Energy Enterprises
EOSE stock →Eos Energy Enterprises, Inc. designs, develops, manufactures, and markets energy storage solutions for utility-scale, microgrid, and commercial and industrial applications in the United States.
Miscellaneous · Industrial Machinery/Components · 787 employees
AMPX vs EOSE FAQ
Which is bigger, Amprius Technologies or Eos Energy Enterprises?
Amprius Technologies (AMPX) is larger, with a market capitalization of $1.34B compared with $1.09B for Eos Energy Enterprises (EOSE).
Which stock has performed better over the past year, AMPX or EOSE?
AMPX returned -26.36% over the past 12 months, compared with -77.31% for EOSE (price return, excluding dividends). Past performance does not predict future results.
Are Amprius Technologies and Eos Energy Enterprises in the same industry?
Yes. Both are classified in the Industrial Machinery/Components industry within the Miscellaneous sector.