Actinium Pharmaceuticals, Inc. (NYSE:ATNM) has 54 institutional investors with active 13F positions as of March 2026.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 1,255,516 | 1,255,516 | 0.00% | $1,249,238.00 |
| ACADIAN ASSET MANAGEMENT LLC | 31 Mar, 2026 | 600,819 | -5,520 | -0.91% | $596.00 |
| MILLENNIUM MANAGEMENT LLC | 31 Mar, 2026 | 564,600 | -37,000 | -6.15% | $561,946.00 |
| RENAISSANCE TECHNOLOGIES LLC | 31 Mar, 2026 | 471,600 | 80,816 | 20.68% | $469,383.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 371,210 | 4,279 | 1.17% | $369,466.00 |
| TWO SIGMA INVESTMENTS, LP | 31 Mar, 2026 | 337,168 | 127,476 | 60.79% | $335,583.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 336,073 | 7,079 | 2.15% | $334,594.00 |
| GAGNON SECURITIES LLC | 31 Mar, 2026 | 201,300 | -507 | -0.25% | $200,354.00 |
| VANGUARD FIDUCIARY TRUST CO | 31 Mar, 2026 | 160,265 | 160,265 | 0.00% | $159,464.00 |
| State Street Corp | 31 Mar, 2026 | 126,215 | 0 | 0.00% | $125,622.00 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 31 Mar, 2026 | 123,998 | 41,524 | 50.35% | $123,415.00 |
| Gen-Wealth Partners Inc | 31 Mar, 2026 | 107,111 | -20 | -0.02% | $106,608.00 |
| Northern Trust Corp | 31 Mar, 2026 | 75,855 | 33,245 | 78.02% | $75,498.00 |
| Goldman Sachs Group Inc | 31 Mar, 2026 | 70,241 | -70,475 | -50.08% | $69,911.00 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 40,000 | 0 | 0.00% | $39,812.00 |
| TWO SIGMA SECURITIES, LLC | 31 Mar, 2026 | 35,887 | 22,922 | 176.80% | $35,718.00 |
| NINE MASTS CAPITAL Ltd | 31 Mar, 2026 | 35,227 | 22,287 | 172.23% | $35,061.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 34,923 | 0 | 0.00% | $34,759.00 |
| JANE STREET GROUP, LLC | 31 Mar, 2026 | 34,299 | -58,893 | -63.20% | $34,137.00 |
| XTX Topco Ltd | 31 Mar, 2026 | 30,210 | 4,234 | 16.30% | $30,068.00 |