Advanced Energy Industries (AEIS) vs Amprius Technologies (AMPX)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Advanced Energy Industries (AEIS) has outperformed Amprius Technologies (AMPX) over the past year, gaining 62.5% versus a loss of 24.4%. Advanced Energy Industries is the larger company by market cap ($11.38 billion vs $1.37 billion), about 8.3 times the size. On valuation, Advanced Energy Industries trades at a lower forward P/E (18.5x vs 93.9x for Amprius Technologies).
Advanced Energy Industries pays a dividend yielding 0.14%, while Amprius Technologies does not currently pay one.
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 | AEIS | AMPX |
|---|---|---|
| Share price | $284.24 | $9.39 |
| Market cap | $11.38B | $1.37B |
| 1-day change | -2.74% | +0.64% |
| YTD return | +35.76% | +19.01% |
| 1-year return | +62.50% | -24.40% |
| 5-year return | +221.39% | — |
| P/E ratio (TTM) | 52.64 | — |
| Forward P/E | 18.53 | 93.90 |
| EPS (TTM) | $5.40 | $-0.29 |
| Dividend yield | 0.14% | 0.00% |
| Annual dividend | $0.40 | $0.00 |
| Revenue (latest FY) | $1.80B | — |
| Revenue growth (YoY) | +21.38% | — |
| Net income (latest FY) | $148.40M | — |
| Gross margin | 37.66% | — |
| Operating margin | 9.34% | — |
| Net margin | 8.25% | — |
| 52-week high | $397.44 | $24.23 |
| 52-week low | $169.36 | $7.71 |
| Distance from 52-week high | -28.48% | -61.24% |
| Analyst consensus | strong_buy | strong_buy |
| Avg. price target upside | +50.96% | +144.94% |
| Average volume | 579.43K | 5.53M |
| Shares outstanding | 40.05M | 146.08M |
| Employees | 13,000 | 97 |
| Sector | Technology | 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
- Advanced Energy Industries is about 8.3 times larger than Amprius Technologies by market value ($11.38B vs $1.37B).
- AEIS has outperformed AMPX by 86.9 percentage points over the past year.
- The two companies sit in different sectors: Advanced Energy Industries in Technology and Amprius Technologies in Miscellaneous.
About Advanced Energy Industries
AEIS stock →Advanced Energy Industries, Inc. provides precision power conversion, measurement, and control solutions in the United States, Asia, Europe, and internationally.
Technology · Industrial Machinery/Components · 13,000 employees
About Amprius Technologies
AMPX stock →Amprius Technologies, Inc. develops, manufactures, and markets lithium-ion batteries for mobility applications.
Miscellaneous · Industrial Machinery/Components · 97 employees
AEIS vs AMPX FAQ
Which is bigger, Advanced Energy Industries or Amprius Technologies?
Advanced Energy Industries (AEIS) is larger, with a market capitalization of $11.38B compared with $1.37B for Amprius Technologies (AMPX).
Which stock has performed better over the past year, AEIS or AMPX?
AEIS returned +62.50% over the past 12 months, compared with -24.40% for AMPX (price return, excluding dividends). Past performance does not predict future results.
Which pays a higher dividend, Advanced Energy Industries or Amprius Technologies?
Advanced Energy Industries pays a dividend yielding 0.14%, while Amprius Technologies does not currently pay a regular dividend.
Are Advanced Energy Industries and Amprius Technologies in the same industry?
Yes. Both are classified in the Industrial Machinery/Components industry within the Technology sector.