The current institutional shareholding score of Actinium Pharmaceuticals Inc is 3.00, ranking 192 out of 387 in the Biotechnology & Medical Research industry. The latest institutional shareholding proportion is 20.62%, representing a quarter-over-quarter decrease of 32.92%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 1.51% of shares outstanding, with 0.46% increase in holdings.