Amprius Technologies (AMPX) vs FuelCell Energy (FCEL)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
FuelCell Energy (FCEL) has outperformed Amprius Technologies (AMPX) over the past year, gaining 80.2% versus a loss of 26.4%. FuelCell Energy is the larger company by market cap ($1.35 billion vs $1.34 billion), 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 | AMPX | FCEL |
|---|---|---|
| Share price | $9.16 | $16.91 |
| Market cap | $1.34B | $1.35B |
| 1-day change | -1.88% | -7.92% |
| YTD return | +18.25% | +151.23% |
| 1-year return | -26.36% | +80.23% |
| 5-year return | — | -91.72% |
| Forward P/E | 91.55 | — |
| EPS (TTM) | $-0.29 | $-2.76 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $24.23 | $37.88 |
| 52-week low | $7.71 | $5.71 |
| Distance from 52-week high | -62.21% | -55.36% |
| Analyst consensus | strong_buy | buy |
| Avg. price target upside | +151.23% | +24.78% |
| Average volume | 5.53M | 8.28M |
| Shares outstanding | 146.08M | 79.95M |
| Employees | 97 | 424 |
| Sector | Miscellaneous | Energy |
| 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
- FCEL has outperformed AMPX by 106.6 percentage points over the past year.
- The two companies sit in different sectors: Amprius Technologies in Miscellaneous and FuelCell Energy in Energy.
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 FuelCell Energy
FCEL stock →FuelCell Energy, Inc., together with its subsidiaries, engages in the design, development, production, construction, operation, and servicing of high temperature fuel cells for clean electric power generation. The company engages in the provision of carbonate fuel cell technology; and commercialization of solid oxide electrolysis technology for distributed hydrogen.
Energy · Industrial Machinery/Components · 424 employees
AMPX vs FCEL FAQ
Which is bigger, Amprius Technologies or FuelCell Energy?
FuelCell Energy (FCEL) is larger, with a market capitalization of $1.35B compared with $1.34B for Amprius Technologies (AMPX).
Which stock has performed better over the past year, AMPX or FCEL?
FCEL returned +80.23% over the past 12 months, compared with -26.36% for AMPX (price return, excluding dividends). Past performance does not predict future results.
Are Amprius Technologies and FuelCell Energy in the same industry?
Yes. Both are classified in the Industrial Machinery/Components industry within the Miscellaneous sector.