Amtech Systems (ASYS) vs SES AI (SES)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Amtech Systems (ASYS) has outperformed SES AI (SES) over the past year, gaining 72.2% versus a loss of 73.2%. Over five years, ASYS leads with a +50.6% price change compared with -92.7% for SES. SES AI is the larger company by market cap ($290.5 million vs $283.8 million), 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 | ASYS | SES |
|---|---|---|
| Share price | $16.21 | $0.7823 |
| Market cap | $283.81M | $290.46M |
| 1-day change | -7.90% | +7.86% |
| YTD return | +40.24% | -59.71% |
| 1-year return | +72.21% | -73.24% |
| 5-year return | +50.56% | -92.70% |
| P/E ratio (TTM) | 60.04 | — |
| Forward P/E | 12.97 | — |
| EPS (TTM) | $0.27 | $-0.20 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $25.71 | $3.73 |
| 52-week low | $6.75 | $0.491 |
| Distance from 52-week high | -36.95% | -79.03% |
| Analyst consensus | none | none |
| Avg. price target upside | +35.72% | +225.96% |
| Average volume | 367.16K | 19.05M |
| Shares outstanding | 17.51M | 327.41M |
| Employees | 264 | 215 |
| 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
- ASYS has outperformed SES by 145.4 percentage points over the past year.
- The two companies sit in different sectors: Amtech Systems in Technology and SES AI in Miscellaneous.
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
About SES AI
SES stock →SES AI Corporation develops and produces AI enhanced lithium metal and lithium-ion rechargeable battery technologies for electric vehicles, urban air mobility, drones, robotics, battery energy storage systems, and other applications. It manufactures and sells residential and commercial ESS systems, li-ion, li metal battery cells and battery materials, such as electrolytes for automotive original equipment manufacturers and others.
Miscellaneous · Industrial Machinery/Components · 215 employees
ASYS vs SES FAQ
Which is bigger, Amtech Systems or SES AI?
SES AI (SES) is larger, with a market capitalization of $290.46M compared with $283.81M for Amtech Systems (ASYS).
Which stock has performed better over the past year, ASYS or SES?
ASYS returned +72.21% over the past 12 months, compared with -73.24% for SES (price return, excluding dividends). Past performance does not predict future results.
Are Amtech Systems and SES AI in the same industry?
Yes. Both are classified in the Industrial Machinery/Components industry within the Technology sector.