The current institutional shareholding score of ProQR Therapeutics NV is 3.00, ranking 193 out of 388 in the Biotechnology & Medical Research industry. The latest institutional shareholding proportion is 36.39%, representing a quarter-over-quarter decrease of 4.80%. The largest institutional shareholder is Steven Cohen, holding a total of 782.05K shares, representing 0.72% of shares outstanding, with 0.36% increase in holdings.