Actinium Pharmaceuticals, Inc. (delaware) · AMEX:ATNM
Actinium Pharmaceuticals, Inc. (delaware) shareholders
As of Jun 30, 2026, 45 institutions reported holding Actinium Pharmaceuticals, Inc. (delaware), 16.8% of its shares. Largest: Vanguard, Compass Financial Management LLC and Millennium. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Actinium Pharmaceuticals, Inc. (delaware) | Change | Filed |
|---|---|---|---|---|
| Vanguard | 1.41M | 4.5% | −15,953 | Aug 13, 2026 |
| Compass Financial Management LLC | 600K | 1.9% | first report | Aug 12, 2026 |
| Millennium | 515K | 1.6% | −50,020 | Aug 14, 2026 |
| Acadian Asset Management LLC | 496K | 1.6% | −105K | Aug 13, 2026 |
| BlackRock | 396K | 1.3% | +24,686 | Aug 7, 2026 |
| Renaissance Technologies | 380K | 1.2% | −91,109 | Aug 13, 2026 |
| Geode Capital | 325K | 1.0% | −11,128 | Aug 12, 2026 |
| Two Sigma | 259K | 0.82% | −77,989 | Aug 14, 2026 |
| Gagnon Securities LLC | 182K | 0.58% | −19,158 | Aug 5, 2026 |
| State Street | 122K | 0.39% | −4,000 | Aug 7, 2026 |