The current institutional shareholding score of Sellas Life Sciences Group Inc is 3.00, ranking 193 out of 389 in the Biotechnology & Medical Research industry. The latest institutional shareholding proportion is 26.02%, representing a quarter-over-quarter increase of 25.11%. The largest institutional shareholder is Bill Nygren | OAKMX, holding a total of 38.57K shares, representing 0.04% of shares outstanding, with 99.27% decrease in holdings.