Stocktoria
Actinium Pharmaceuticals, Inc. ATNM
NYSE American · XASE · stock · Pharmaceutical Preparations · website · IPO 2014-03-26
Actinium Pharmaceuticals, Inc. institutional holders (13F)
| Investor | Shares | Value | % of company |
|---|---|---|---|
| BlackRock Finance, Inc. | 1,875,425 | $13.9M | 6.01% |
| MILLENNIUM MANAGEMENT LLC | 564,600 | $561,946 | 1.81% |
| RENAISSANCE TECHNOLOGIES LLC | 471,600 | $469,383 | 1.51% |
| TWO SIGMA INVESTMENTS, LP | 337,168 | $335,583 | 1.08% |
| CITADEL ADVISORS LLC | 101,100 | $100,625 | 0.32% |
% of company = reported 13F shares ÷ shares outstanding. Based on the latest filings; not every holder reports every quarter.
Source: SEC EDGAR filings · CIK 0001388320 · as of 2025-12-31. Facts from filings plus Stocktoria's own computed scores — not investment advice.