Institutional Ownership
Actinium Pharmaceuticals Inc
CUSIP 00507W206COMATNMQ1 2026
13D / 13G Filings
13
Schedule 13D/13G on record
Beneficial Filers
7
Distinct reporting persons
Largest Stake
6.2%
Max % of class reported
Institutional Holders
51
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
13 filings · latest Jul 29, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Jul 29, 2025 | The Vanguard Group | 13G/A | 4.4% | 1.37M | SEC |
| 2 | Jul 16, 2025 | Blackrock, Inc. | 13G/A | 1.5% | 463.0K | SEC |
| 3 | Nov 12, 2024 | Vanguard Group Inc | 13G/A | 5.2% | 1.63M | SEC |
| 4 | Nov 8, 2024 | Bigger Capital, LLC | 13G/A | — | 235.7K | SEC |
| 5 | Nov 4, 2024 | Vanguard Group Inc | 13G/A | 5.2% | 1.63M | SEC |
| 6 | Nov 4, 2024 | Vanguard Group Inc | 13G | 5.2% | 1.63M | SEC |
| 7 | Feb 9, 2024 | Bigger Capital, LLC | 13G/A | 1.6% | 441.1K | SEC |
| 8 | Jan 29, 2024 | Blackrock Inc. | 13G | 6.2% | 1.69M | SEC |
| 9 | Feb 6, 2023 | Bigger Capital Fund L P | 13G/A | 1.6% | 416.0K | SEC |
| 10 | Feb 9, 2022 | Bigger Capital Fund L P | 13G/A | 1.5% | 323.2K | SEC |
3 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Actinium Pharmaceuticals Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Millennium Management LLC | 564.6K | $561.9K |
| 2 | Renaissance Technologies LLC | 471.6K | $469.4K |
| 3 | Blackrock, Inc. | 371.2K | $369.5K |
| 4 | Two Sigma Investments, LP | 337.2K | $335.6K |
| 5 | Geode Capital Management, LLC | 336.1K | $334.6K |
| 6 | Gagnon Securities LLC | 201.3K | $200.4K |
| 7 | State Street Corp | 126.2K | $125.6K |
| 8 | Susquehanna International Group, LLP | 124.0K | $123.4K |
| 9 | Gen-Wealth Partners Inc | 107.1K | $106.6K |
| 10 | Northern Trust Corp | 75.9K | $75.5K |