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 2023 | $264 | +1289.5% | 11,800 | +2437.6% | 0.12% | +1060.0% |
| Q2 2023 | $19 | -91.9% | 465 | -92.4% | 0.01% | -93.7% |
| Q4 2022 | $234 | -99.8% | 6,132 | +106.5% | 0.16% | -50.0% |
| Q2 2022 | $118,000 | +76.1% | 2,969 | +124.9% | 0.32% | +310.4% |
| Q3 2021 | $67,000 | -94.4% | 1,320 | -95.0% | 0.08% | -83.0% |
| Q2 2020 | $1,197,000 | +2502.2% | 26,434 | +2471.4% | 0.45% | +502.7% |
| Q1 2020 | $46,000 | -40.3% | 1,028 | -36.3% | 0.08% | -15.7% |
| Q4 2019 | $77,000 | -93.2% | 1,613 | -93.6% | 0.09% | -86.0% |
| Q2 2019 | $1,130,000 | – | 25,114 | – | 0.64% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Burrage Capital Management LLC | 160,372 | $7,594,000 | 6.15% |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC | 408,000 | $19,319,000 | 5.11% |
| RTW INVESTMENTS, LP | 5,293,966 | $250,669,000 | 3.91% |
| GEORGE KAISER FAMILY FOUNDATION | 72,105 | $9,925,000 | 2.07% |
| SECTORAL ASSET MANAGEMENT INC | 504,928 | $23,908,000 | 1.81% |
| Redwood Investments, LLC | 385,014 | $18,230,000 | 1.60% |
| ARMISTICE CAPITAL, LLC | 1,396,000 | $66,101,000 | 1.52% |
| Integral Health Asset Management, LLC | 100,100 | $4,740,000 | 1.35% |
| Sofinnova Investments, Inc. | 466,840 | $22,105,000 | 1.33% |
| Chubb Ltd | 8,180 | $387,000 | 1.10% |