Aeluma (ALMU) vs Atomera (ATOM)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Atomera (ATOM) has outperformed Aeluma (ALMU) over the past year, losing 9.7% versus a loss of 26.5%. Aeluma is the larger company by market cap ($249.2 million vs $170.5 million), about 1.5 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 | ALMU | ATOM |
|---|---|---|
| Share price | $12.90 | $4.37 |
| Market cap | $249.16M | $170.54M |
| 1-day change | -1.68% | -2.02% |
| YTD return | -24.87% | +97.74% |
| 1-year return | -26.50% | -9.71% |
| 5-year return | — | -81.65% |
| EPS (TTM) | $-0.52 | $-0.65 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $31.79 | $12.37 |
| 52-week low | $10.24 | $1.89 |
| Distance from 52-week high | -59.42% | -64.66% |
| Analyst consensus | none | none |
| Avg. price target upside | +82.17% | +128.83% |
| Average volume | 536.76K | 523.93K |
| Shares outstanding | 19.31M | 39.02M |
| Employees | 24 | 21 |
| Sector | Technology | Technology |
| Industry | Semiconductors | Semiconductor Equipment & Materials |
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
- ATOM has outperformed ALMU by 16.8 percentage points over the past year.
About Aeluma
ALMU stock →Aeluma, Inc. develops photonic and electronic technologies for communications and sensing in the United States.
Technology · Semiconductors · 24 employees
About Atomera
ATOM stock →Atomera Incorporated engages in the developing, commercializing, and licensing proprietary processes and technologies for the semiconductor industry in North America and Europe. The company's lead technology is the Mears Silicon Technology, a thin film of reengineered silicon that can be applied as a transistor channel enhancement to CMOS-type transistors.
Technology · Semiconductor Equipment & Materials · 21 employees
ALMU vs ATOM FAQ
Which is bigger, Aeluma or Atomera?
Aeluma (ALMU) is larger, with a market capitalization of $249.16M compared with $170.54M for Atomera (ATOM).
Which stock has performed better over the past year, ALMU or ATOM?
ATOM returned -9.71% over the past 12 months, compared with -26.50% for ALMU (price return, excluding dividends). Past performance does not predict future results.
Are Aeluma and Atomera in the same industry?
Both are in the Technology sector, but in different industries: Semiconductors for Aeluma and Semiconductor Equipment & Materials for Atomera.