ASP Isotopes (ASPI) vs Aspen Aerogels (ASPN)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Aspen Aerogels (ASPN) has outperformed ASP Isotopes (ASPI) over the past year, losing 28.3% versus a loss of 67.8%. Aspen Aerogels is the larger company by market cap ($464.3 million vs $436.2 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 | ASPI | ASPN |
|---|---|---|
| Share price | $2.85 | $5.60 |
| Market cap | $436.17M | $464.32M |
| 1-day change | -0.52% | -3.20% |
| YTD return | -46.54% | +104.24% |
| 1-year return | -67.85% | -28.29% |
| 5-year return | — | -88.32% |
| EPS (TTM) | $-1.49 | $-1.53 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $14.49 | $9.35 |
| 52-week low | $2.51 | $2.30 |
| Distance from 52-week high | -80.37% | -40.15% |
| Analyst consensus | none | buy |
| Avg. price target upside | +356.94% | +38.52% |
| Average volume | 3.99M | 1.13M |
| Shares outstanding | 153.31M | 82.99M |
| Employees | 271 | 854 |
| Sector | Industrials | Consumer Discretionary |
| Industry | Major Chemicals | RETAIL: Building 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
- ASPN has outperformed ASPI by 39.6 percentage points over the past year.
- The two companies sit in different sectors: ASP Isotopes in Industrials and Aspen Aerogels in Consumer Discretionary.
About ASP Isotopes
ASPI stock →ASP Isotopes Inc., a development stage advanced materials company, engages in the production, distribution, marketing, and sale of isotopes in South Africa,Hong Kong, and United States. It operates in two segments, Nuclear Fuels, and Specialist Isotopes and Related Services.
Industrials · Major Chemicals · 271 employees
About Aspen Aerogels
ASPN stock →Aspen Aerogels, Inc., an aerogel technology company, designs, develops, manufactures, and sells aerogel materials primarily for use in the energy industrial, sustainable insulation materials, and electric vehicle (EV) markets in the United States, Canada, Asia, Europe, and Latin America. It operates through two segments: Thermal Barrier and Energy Industrial.
Consumer Discretionary · RETAIL: Building Materials · 854 employees
ASPI vs ASPN FAQ
Which is bigger, ASP Isotopes or Aspen Aerogels?
Aspen Aerogels (ASPN) is larger, with a market capitalization of $464.32M compared with $436.17M for ASP Isotopes (ASPI).
Which stock has performed better over the past year, ASPI or ASPN?
ASPN returned -28.29% over the past 12 months, compared with -67.85% for ASPI (price return, excluding dividends). Past performance does not predict future results.
Are ASP Isotopes and Aspen Aerogels in the same industry?
No. ASP Isotopes is in the Industrials sector, while Aspen Aerogels is in Consumer Discretionary.