AirJoule Technologies (AIRJ) vs Amtech Systems (ASYS)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 10, 2026.
Summary
Amtech Systems (ASYS) has outperformed AirJoule Technologies (AIRJ) over the past year, gaining 64.5% versus a loss of 31.2%. Amtech Systems is the larger company by market cap ($288.0 million vs $264.8 million), about 1.1 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 | AIRJ | ASYS |
|---|---|---|
| Share price | $3.61 | $16.45 |
| Market cap | $264.78M | $288.01M |
| 1-day change | -2.17% | +1.48% |
| YTD return | -8.38% | +31.08% |
| 1-year return | -31.24% | +64.50% |
| 5-year return | — | +40.72% |
| P/E ratio (TTM) | — | 60.93 |
| Forward P/E | — | 13.16 |
| EPS (TTM) | $-1.30 | $0.27 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $6.75 | $25.71 |
| 52-week low | $2.22 | $6.75 |
| Distance from 52-week high | -46.52% | -36.02% |
| Analyst consensus | strong_buy | none |
| Avg. price target upside | +157.34% | +33.74% |
| Average volume | 1.35M | 362.26K |
| Shares outstanding | 73.35M | 17.51M |
| Employees | 16 | 264 |
| Sector | Industrials | Technology |
| 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
- ASYS has outperformed AIRJ by 95.7 percentage points over the past year.
- The two companies sit in different sectors: AirJoule Technologies in Industrials and Amtech Systems in Technology.
About AirJoule Technologies
AIRJ stock →AirJoule Technologies Corporation operates as an atmospheric renewable energy and water harvesting technology company. It provides energy and dehumidification, water harvesting systems, water recapture systems, evaporative heat pump systems, water heating systems, low relative humidity drying systems, pre- and mid-cool integration coils, evaporative cooling, advanced vacuum pump systems, isothermal condenser design, gate and seal systems, and atmospheric water generation through its AirJoule technology.
Industrials · Industrial Machinery/Components · 16 employees
About Amtech Systems
ASYS stock →Amtech Systems, Inc., together with its subsidiaries, manufactures and sells capital equipment and related consumables for use in fabricating and packaging semiconductor devices in the United States, Canada, Mexico, China, Malaysia, Taiwan, Singapore, the Czech Republic, Austria, Hungary, the United Kingdom, Germany, and internationally. It operates through Thermal Processing Solutions and Semiconductor Fabrication Solutions segments.
Technology · Industrial Machinery/Components · 264 employees
AIRJ vs ASYS FAQ
Which is bigger, AirJoule Technologies or Amtech Systems?
Amtech Systems (ASYS) is larger, with a market capitalization of $288.01M compared with $264.78M for AirJoule Technologies (AIRJ).
Which stock has performed better over the past year, AIRJ or ASYS?
ASYS returned +64.50% over the past 12 months, compared with -31.24% for AIRJ (price return, excluding dividends). Past performance does not predict future results.
Are AirJoule Technologies and Amtech Systems in the same industry?
Yes. Both are classified in the Industrial Machinery/Components industry within the Industrials sector.