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 | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $594,000 | -68.0% | 14,906 | -66.1% | 0.11% | -81.9% |
| Q2 2021 | $1,859,000 | +541.0% | 43,971 | +617.4% | 0.61% | +383.3% |
| Q1 2021 | $290,000 | -60.6% | 6,129 | -49.2% | 0.13% | -50.2% |
| Q4 2020 | $736,000 | +38.6% | 12,057 | +6.1% | 0.25% | -39.3% |
| Q3 2020 | $531,000 | -11.9% | 11,364 | -4.4% | 0.42% | -71.4% |
| Q2 2020 | $603,000 | -9.9% | 11,892 | -14.6% | 1.46% | +229.6% |
| Q4 2019 | $669,000 | – | 13,925 | – | 0.44% | – |
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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% |