PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 178 filers reported holding PTC THERAPEUTICS INC in Q4 2021. The put-call ratio across all filers is 1.00 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $0 | – | 1 | -90.9% | 0.00% | – |
| Q1 2022 | $0 | -100.0% | 11 | -93.1% | 0.00% | -100.0% |
| Q4 2021 | $6,000 | 0.0% | 159 | +0.6% | 0.00% | 0.0% |
| Q3 2021 | $6,000 | +200.0% | 158 | +305.1% | 0.00% | – |
| Q2 2021 | $2,000 | -95.0% | 39 | -95.4% | 0.00% | -100.0% |
| Q1 2021 | $40,000 | +344.4% | 848 | +497.2% | 0.01% | +400.0% |
| Q4 2020 | $9,000 | +125.0% | 142 | +86.8% | 0.00% | 0.0% |
| Q3 2020 | $4,000 | +100.0% | 76 | +90.0% | 0.00% | – |
| Q2 2020 | $2,000 | +100.0% | 40 | +37.9% | 0.00% | – |
| Q1 2020 | $1,000 | 0.0% | 29 | +45.0% | 0.00% | – |
| Q4 2019 | $1,000 | – | 20 | – | 0.00% | – |
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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% |