PTC THERAPEUTICS INC's ticker is and the CUSIP is 69366J900. A total of 5 filers reported holding PTC THERAPEUTICS INC in Q2 2015. The put-call ratio across all filers is - and the average weighting 0.1%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SPHERA FUNDS MANAGEMENT LTD. | 600 | $2,888,000 | 0.28% |
| SABBY MANAGEMENT, LLC | 611 | $2,941,000 | 0.11% |
| GROUP ONE TRADING, L.P. | 9,000 | $433,000 | 0.01% |
| SIMPLEX TRADING, LLC | 265 | $47,000 | 0.00% |
| Citadel Advisors | 21,200 | $1,020,000 | 0.00% |