ASP Isotopes Inc. Common Stock (ASPI)
Basic Materials
Chemicals
4.00 $
+0.5%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns ASP Isotopes Inc. Common Stock (ASPI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 78.1% of the shares are freely tradable; institutional investors hold 57.1%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
57.1%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
13.2%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
78.1%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
20.5%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
126Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 6.61 | 8,328,144 | +22.7 | 03/31/2026 |
| Encompass Capital Advisors LLC | 5.49 | 6,912,054 | +0.0 | 03/31/2026 |
| Vanguard Group Inc | 5.09 | 6,406,244 | +41.8 | 12/31/2025 |
| Vanguard Capital Management, LLC | 4.02 | 5,060,464 | +0.0 | 03/31/2026 |
| Rovida Investment Management Ltd | 3.26 | 4,100,000 | +0.0 | 03/31/2026 |
| UBS Group AG | 2.26 | 2,841,709 | +18.1 | 03/31/2026 |
| Geode Capital Management, LLC | 2.18 | 2,740,464 | +14.9 | 03/31/2026 |
| Alyeska Investment Group, L.P. | 2.14 | 2,692,166 | -45.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.94 | 3,702,095 | +0.0 | 04/30/2026 |
| iShares Russell 2000 ETF | 2.16 | 2,715,372 | +0.9 | 05/29/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.