Amprius Technologies (AMPX) vs Orion Energy Systems (OESX)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 10, 2026.
Summary
Orion Energy Systems (OESX) has outperformed Amprius Technologies (AMPX) over the past year, gaining 223.3% versus a loss of 26.3%. Amprius Technologies is the larger company by market cap ($1.38 billion vs $105.6 million), about 13.1 times the size. On valuation, Orion Energy Systems trades at a lower forward P/E (13.2x vs 94.4x for Amprius Technologies).
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 | OESX |
|---|---|---|
| Share price | $9.44 | $25.83 |
| Market cap | $1.38B | $105.63M |
| 1-day change | +0.53% | -3.66% |
| YTD return | +19.65% | +67.95% |
| 1-year return | -26.31% | +223.28% |
| 5-year return | — | -38.06% |
| Forward P/E | 94.40 | 13.25 |
| EPS (TTM) | $-0.29 | $-0.07 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $73.01M | — |
| Revenue growth (YoY) | +202.11% | — |
| Net income (latest FY) | $-44.02M | — |
| Gross margin | 11.32% | — |
| Operating margin | -63.89% | — |
| Net margin | -60.30% | — |
| 52-week high | $24.23 | $31.65 |
| 52-week low | $7.71 | $7.99 |
| Distance from 52-week high | -61.03% | -18.39% |
| Analyst consensus | strong_buy | none |
| Avg. price target upside | +143.64% | +41.31% |
| Average volume | 5.54M | 82.67K |
| Shares outstanding | 146.08M | 4.09M |
| Employees | 97 | 174 |
| Sector | Miscellaneous | Consumer Discretionary |
| Industry | Industrial Machinery/Components | Building Products |
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
- Amprius Technologies is about 13.1 times larger than Orion Energy Systems by market value ($1.38B vs $105.63M).
- OESX has outperformed AMPX by 249.6 percentage points over the past year.
- The two companies sit in different sectors: Amprius Technologies in Miscellaneous and Orion Energy Systems in Consumer Discretionary.
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 Orion Energy Systems
OESX stock →Orion Energy Systems, Inc., together with its subsidiaries, research, designs, develops, manufactures, markets, sells, installs, and implements energy management systems for commercial office and retail, area lighting, industrial applications, and government in North America and Germany. It operates through three segments: Lighting, Maintenance, and Electric Vehicle (EV).
Consumer Discretionary · Building Products · 174 employees
AMPX vs OESX FAQ
Which is bigger, Amprius Technologies or Orion Energy Systems?
Amprius Technologies (AMPX) is larger, with a market capitalization of $1.38B compared with $105.63M for Orion Energy Systems (OESX).
Which stock has performed better over the past year, AMPX or OESX?
OESX returned +223.28% over the past 12 months, compared with -26.31% for AMPX (price return, excluding dividends). Past performance does not predict future results.
Are Amprius Technologies and Orion Energy Systems in the same industry?
No. Amprius Technologies is in the Miscellaneous sector, while Orion Energy Systems is in Consumer Discretionary.