ASP Isotopes Inc. (ASPI) stock
Close on Nov 12, 2026Market cap $286.69MP/E –Yield –
ASP Isotopes Inc. grew revenue 573.4% to $30.85M over the twelve months to Jun 30, 2026. Free cash flow was -$83.58M. At the latest close the market valued the company at $286.69M.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Jun 30, 2026
Valuation
- Market cap
- $286.69M
- P/E ratio
- –
- Price to sales
- 9.29
- Price to book
- 1.08
- Dividend yield
- –
- Free cash flow yield
- -29.15%
Fundamentals
- Revenue
- $30.85M
- Net income
- -$117.34M
- EPS, diluted
- -$1.09
- Free cash flow
- -$83.58M
- Book value per share
- $2.16
- Diluted shares
- 123M
Trading
- Previous close
- $1.96
- Open
- $1.91
- Day's range
- $1.82 – $1.93
- Volume
- 3,112,687
- Average volume (20 days)
- 3,888,779
- Index membership
- Russell 2000 (since Sep 2024), Russell 3000 (since Aug 2024)
- Beta (5 years)
- 1.98
- 52-week range
- $1.66 – $9.24
- RSI (14 days)
- 41.5
- Volatility (1 year)
- 99.6%
- Relative volume
- 0.54×
- WACC
- 13.2%
On 2 of our idea lists: More cash than they're worth, Most shorted (a warning list)
Index membership is inferred from the holdings of funds that track each index (IWM, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2022, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | ASPI | S&P 500 | Difference | ASPI per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -23.4% | -2.7% | −20.7 pts | ||
| 3 months | -56.5% | -1.7% | −54.8 pts | ||
| Year to date | -65.0% | +11.9% | −76.9 pts | ||
| 1 year | -78.9% | +12.0% | −90.9 pts | ||
| 3 years | +30.8% | +78.2% | −47.4 pts | +9.4% | +21.2% |
Five years at a glance
Fiscal years 2021 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases ASP Isotopes filed with the SEC as exhibits to Form 8-K or 6-K
- Update
- Update
- Update
- Update
- Update
- Update
About ASP Isotopes
Miscellaneous Chemical Products
ASP Isotopes develops materials and isotope enrichment technologies across three operating segments: specialist isotopes, nuclear fuels, and construction services. The specialist isotopes business separates isotopes including Carbon-14, Silicon-28, and Ytterbium-176, and produces radiopharmaceuticals via PET Labs. The nuclear fuels segment focuses on advanced fuels such as high-assay low-enriched uranium. The construction segment undertakes public civil engineering projects, such as road and drainage works. Through Renergen, the company also produces liquefied natural gas and liquid helium. Its customers include pharmaceutical developers, semiconductor companies, nuclear energy firms, and domestic natural gas consumers.
Company profile, executives and historyASP Isotopes stock: common questions
What is ASP Isotopes's stock price?
ASPI closed at $1.87 on Nov 12, 2026, down 4.59% on the day. Over the past 52 weeks it traded between $1.66 and $9.24.
What is ASP Isotopes's market cap?
ASP Isotopes was worth $286.69M at the close on Nov 12, 2026: the share price times the diluted shares outstanding.
What is ASPI's P/E ratio?
ASP Isotopes lost money over the twelve months to Jun 30, 2026 (diluted EPS -$1.09), so it has no meaningful P/E ratio.
How much revenue does ASP Isotopes make?
ASP Isotopes reported revenue of $30.85M for the twelve months to Jun 30, 2026, up 573.4% from a year earlier.
Does ASP Isotopes pay a dividend?
No. ASP Isotopes has not paid a cash dividend over the last twelve months.
How has ASPI stock performed over the past year?
Including dividends, ASPI returned -78.9% over the past year, against +12.0% for the S&P 500.
How many ASPI shares are sold short?
31M shares were sold short at the latest FINRA report, 22.91% of the float, or 7.8 days of average trading volume.
Who are ASP Isotopes's competitors?
Companies most similar to ASP Isotopes by business, industry and size include FSI, ARQ, GURE, FTK, JAGX.
See a number that looks wrong?