Institutional Ownership
Asp Isotopes Inc
CUSIP 00218A105COMASPIQ1 2026
13D / 13G Filings
18
Schedule 13D/13G on record
Beneficial Filers
8
Distinct reporting persons
Largest Stake
14.2%
Max % of class reported
Institutional Holders
170
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
18 filings · latest Feb 17, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 17, 2026 | Mann Paul Elliot | 13G/A | 7.0% | 7.76M | SEC |
| 2 | Feb 13, 2026 | Awm Investment Company, Inc. | 13G/A | 5.8% | 619.6K | SEC |
| 3 | Feb 9, 2026 | Bnp Paribas Asset Management Uk Ltd | 13G/A | 0.9% | 944.3K | SEC |
| 4 | Jan 30, 2026 | The Vanguard Group | 13G | 5.8% | 6.41M | SEC |
| 5 | Jan 23, 2026 | Encompass Capital Advisors LLC | 13G | 5.1% | 6.41M | SEC |
| 6 | Nov 14, 2025 | Ak Jensen Investment Management Ltd | 13G/A | 5.4% | 4.96M | SEC |
| 7 | Aug 14, 2025 | Awm Investment Company, Inc. | 13G | 6.9% | 619.9K | SEC |
| 8 | Aug 14, 2025 | Awm Investment Company, Inc. | 13G/A | 4.3% | 3.93M | SEC |
| 9 | Aug 14, 2025 | Awm Investment Company, Inc. | 13G | 6.9% | 619.9K | SEC |
| 10 | Apr 11, 2025 | Bnp Paribas Asset Management Uk Ltd | 13G | 5.1% | 3.64M | SEC |
8 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Asp Isotopes Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 8.33M | $36.81M |
| 2 | Encompass Capital Advisors LLC | 6.91M | $30.55M |
| 3 | Rovida Investment Management Ltd | 4.10M | $18.08M |
| 4 | Ubs Group AG | 2.84M | $12.56M |
| 5 | Geode Capital Management, LLC | 2.74M | $12.12M |
| 6 | Alyeska Investment Group, L.P. | 2.69M | $11.90M |
| 7 | State Street Corp | 2.32M | $10.26M |
| 8 | Exchange Traded Concepts, LLC | 2.18M | $9.65M |
| 9 | Awm Investment Company, Inc. | 2.12M | $9.39M |
| 10 | Morgan Stanley | 1.58M | $6.97M |