5 institutions reported holding $763,968 of ASP ISOTOPES INC COM (ASPI) in SEC 13F filings for 2026-06-30. Largest institutional holders: FNY Investment Advisers, LLC ($498,000), Valeo Financial Advisors, LLC ($186,600), Silverberg Bernstein Capital Management LLC ($77,377), GAMMA Investing LLC ($1,543), MassMutual Private Wealth & Trust, FSB ($448). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | FNY Investment Advisers, LLC | $498,000 | 80,100 | Trimmed |
| 2 | Valeo Financial Advisors, LLC | $186,600 | 30,000 | New |
| 3 | Silverberg Bernstein Capital Management LLC | $77,377 | 12,440 | New |
| 4 | GAMMA Investing LLC | $1,543 | 248 | Trimmed |
| 5 | MassMutual Private Wealth & Trust, FSB | $448 | 72 | Added |
Source: SEC Form 13F filings · as of 2026-06-30