ASP Isotopes Inc. Common Stock (ASPI)
MISCELLANEOUS CHEMICAL PRODUCTS
ASP Isotopes Inc. Common Stock (ASPI) is listed on Nasdaq, where it has traded since November 10, 2022.
- Listed On
- Nasdaq
- Listed Since
- November 10, 2022
- Employees
- 271
- Market Cap
- $318M
About ASP Isotopes Inc. Common Stock
ASP Isotopes Inc is a materials company focused on producing and commercializing enriched isotopes for the nuclear medicine, healthcare, green energy, and quantum computing industries. Currently, the company has three operating segments: (i) nuclear fuels, (ii) specialist isotopes and related services, and (iii) construction services. Using proprietary technology-the Aerodynamic Separation Process (ASP)-the company enriches isotopes in South Africa, targeting high-value, low-volume markets to reduce reliance on foreign supply chains. Geographically, the company operates in South Africa, Hong Kong and United States generating key revenue from the Hong Kong region.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 178 institutions reported holding ASPI, with 65.4 million shares worth $406.0 million in aggregate. The largest reported holder was BlackRock, with 9.2 million shares worth $57.3 million. Of the 5 largest holders listed below, 3 added shares, 1 reduced its position and 1 held its position unchanged during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| BlackRock | 9,217,198 | $57M | Added 10.68% |
| Vanguard | 7,032,350 | $44M | Added 1.38% |
| Encompass Capital Advisors | 6,561,754 | $41M | Reduced 5.07% |
| Rovida Investment Management | 4,100,000 | $26M | Unchanged |
| UBS Group | 3,408,852 | $21M | Added 15.39% |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is ASPI?
ASP Isotopes Inc. Common Stock (ASPI) is listed on Nasdaq, where it has traded since November 10, 2022.
Who are the largest institutional holders of ASPI?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of ASPI were BlackRock, Vanguard and Encompass Capital Advisors.
How many institutions own ASPI?
178 institutions reported a position in ASPI for the quarter ended June 30, 2026, worth $406.0 million in total.
Did institutions buy or sell ASPI last quarter?
Of the 5 largest reported holders, 3 added shares, 1 reduced its position and 1 held its position unchanged during the quarter. Every reported holder and its change is on the SentiSense ownership page for ASPI.
Every reported institutional holder, plus insider and congressional trades in ASPI, on SentiSense.