PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 181 filers reported holding PTC THERAPEUTICS INC in Q3 2021. The put-call ratio across all filers is 0.85 and the average weighting 0.7%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $97 | -100.0% | 2,403 | -71.5% | 0.00% | – |
| Q2 2022 | $337,000 | +512.7% | 8,427 | +559.4% | 0.00% | – |
| Q3 2021 | $55,000 | -11.3% | 1,278 | -13.5% | 0.00% | – |
| Q2 2021 | $62,000 | -84.2% | 1,478 | -83.2% | 0.00% | -100.0% |
| Q1 2020 | $393,000 | -65.0% | 8,816 | -63.1% | 0.00% | -75.0% |
| Q3 2018 | $1,123,000 | +702.1% | 23,895 | +474.3% | 0.00% | +300.0% |
| Q2 2018 | $140,000 | -31.7% | 4,161 | -66.3% | 0.00% | -88.9% |
| Q4 2017 | $205,000 | -69.9% | 12,350 | -63.7% | 0.01% | -67.9% |
| Q3 2017 | $681,000 | +37.0% | 34,050 | +25.3% | 0.03% | +27.3% |
| Q2 2017 | $497,000 | +452.2% | 27,167 | +195.6% | 0.02% | +450.0% |
| Q1 2017 | $90,000 | -61.2% | 9,192 | -56.9% | 0.00% | -71.4% |
| Q4 2016 | $232,000 | -86.2% | 21,315 | -82.3% | 0.01% | -87.7% |
| Q3 2016 | $1,684,000 | +1503.8% | 120,210 | +3584.0% | 0.11% | +1325.0% |
| Q4 2015 | $105,000 | -22.8% | 3,263 | -36.2% | 0.01% | -20.0% |
| Q3 2015 | $136,000 | – | 5,112 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GREAT POINT PARTNERS LLC | 1,750,000 | $84,053,000 | 7.32% |
| RTW INVESTMENTS, LP | 3,832,480 | $184,074,000 | 6.94% |
| Burrage Capital Management LLC | 195,725 | $9,401,000 | 6.30% |
| Asymmetry Capital Management, L.P. | 55,408 | $2,661,000 | 4.77% |
| SECTORAL ASSET MANAGEMENT INC | 328,738 | $15,789,000 | 2.36% |
| ARMISTICE CAPITAL, LLC | 758,000 | $36,407,000 | 2.10% |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC | 114,000 | $5,470,000 | 1.97% |
| Opaleye Management Inc. | 191,000 | $9,174,000 | 1.80% |
| Sofinnova Investments, Inc. | 517,092 | $24,836,000 | 1.79% |
| Chubb Ltd | 8,180 | $393,000 | 1.68% |