MetaCap

Amtech Systems (ASYS) vs NET Power (NPWR)

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 NET Power (NPWR) over the past year, gaining 65.9% versus a loss of 71.4%. Over five years, ASYS leads with a +38.7% price change compared with -87.4% for NPWR. Amtech Systems is the larger company by market cap ($283.8 million vs $109.7 million), about 2.6 times the size.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

ASYS+58.61%NPWR-64.67%
+145%+35%-75%
Oct 7, 20251 yearOct 8, 2026
ASYS+44.99%NPWR-87.46%
+125%+14%-98%
Oct 4, 20215 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

ASYS versus NPWR key metrics
MetricASYSNPWR
Share price$16.21$1.24
Market cap$283.81M$109.72M
1-day change-7.90%+0.81%
YTD return+29.16%-45.61%
1-year return+65.92%-71.43%
5-year return+38.67%-87.45%
P/E ratio (TTM)60.04—
Forward P/E12.97—
EPS (TTM)$0.27$-6.45
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
52-week high$25.71$5.20
52-week low$6.75$1.22
Distance from 52-week high-36.95%-76.15%
Analyst consensusnonenone
Avg. price target upside+35.72%+129.84%
Average volume367.16K754.17K
Shares outstanding17.51M88.48M
Employees26454
SectorTechnologyIndustrials
IndustryIndustrial Machinery/ComponentsSpecialty Industrial Machinery

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

  • Amtech Systems is about 2.6 times larger than NET Power by market value ($283.81M vs $109.72M).
  • ASYS has outperformed NPWR by 137.3 percentage points over the past year.
  • The two companies sit in different sectors: Amtech Systems in Technology and NET Power in Industrials.

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 NET Power

NPWR stock →

NET Power Inc. operates as an energy technology company in the United States.

Industrials · Specialty Industrial Machinery · 54 employees

ASYS vs NPWR FAQ

Which is bigger, Amtech Systems or NET Power?

Amtech Systems (ASYS) is larger, with a market capitalization of $283.81M compared with $109.72M for NET Power (NPWR).

Which stock has performed better over the past year, ASYS or NPWR?

ASYS returned +65.92% over the past 12 months, compared with -71.43% for NPWR (price return, excluding dividends). Past performance does not predict future results.

Are Amtech Systems and NET Power in the same industry?

No. Amtech Systems is in the Technology sector, while NET Power is in Industrials.

More comparisons