Who Owns ASP ISOTOPES INC COM (ASPI)? -- Institutional Holders (2026-06-30)
212 institutions reported holding $484.0M of ASP ISOTOPES INC COM (ASPI) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($57.3M), VANGUARD GROUP INC ($43.7M), Encompass Capital Advisors LLC ($40.8M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($28.3M), Rovida Investment Management Ltd ($25.5M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $57.3M | 9.2M | Added |
| 2 | VANGUARD GROUP INC | $43.7M | 7.0M | Added |
| 3 | Encompass Capital Advisors LLC | $40.8M | 6.6M | Trimmed |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $28.3M | 4.6M | Trimmed |
| 5 | Rovida Investment Management Ltd | $25.5M | 4.1M | Hold |
| 6 | UBS Group AG | $23.4M | 3.8M | Added |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $18.3M | 2.9M | Added |
| 8 | Alyeska Investment Group, L.P. | $17.7M | 2.8M | Added |
| 9 | STATE STREET CORP | $16.1M | 2.6M | Added |
| 10 | EXCHANGE TRADED CONCEPTS, LLC | $14.0M | 2.3M | Added |
| 11 | CITADEL ADVISORS LLC | $10.7M | 1.7M | Trimmed |
| 12 | AWM Investment Company, Inc. | $9.8M | 1.6M | Trimmed |
| 13 | BNP PARIBAS ASSET MANAGEMENT Holding S.A. | $9.8M | 1.6M | Added |
| 14 | GROUP ONE TRADING LLC | $9.7M | 1.6M | Trimmed |
| 15 | PEAK6 LLC | $8.5M | 1.4M | Trimmed |
| 16 | Philadelphia Financial Management of San Francisco, LLC | $8.4M | 1.3M | Added |
| 17 | JANE STREET GROUP, LLC | $8.3M | 1.3M | Added |
| 18 | MORGAN STANLEY | $7.2M | 1.2M | Trimmed |
| 19 | NORTHERN TRUST CORP | $6.3M | 1.0M | Added |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $5.8M | 935,352 | Added |
| 21 | Sixth Street Partners Management Company, L.P. | $5.8M | 935,352 | New |
| 22 | BARCLAYS PLC | $5.3M | 847,781 | Trimmed |
| 23 | MARSHALL WACE, LLP | $5.2M | 835,656 | New |
| 24 | Man Group plc | $5.2M | 828,377 | New |
| 25 | IMC-Chicago, LLC | $4.6M | 735,900 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30