PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 185 filers reported holding PTC THERAPEUTICS INC in Q2 2021. The put-call ratio across all filers is 0.52 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $1,147,000 | -51.9% | 24,227 | -38.1% | 0.01% | -50.0% |
| Q4 2020 | $2,386,000 | +15.2% | 39,110 | -11.7% | 0.02% | +14.3% |
| Q3 2020 | $2,072,000 | -12.4% | 44,310 | -4.9% | 0.01% | -26.3% |
| Q2 2020 | $2,365,000 | +10.7% | 46,610 | -2.7% | 0.02% | -5.0% |
| Q1 2020 | $2,137,000 | -3.7% | 47,910 | +3.7% | 0.02% | +33.3% |
| Q4 2019 | $2,219,000 | +32.2% | 46,210 | -6.9% | 0.02% | +50.0% |
| Q3 2019 | $1,678,000 | -22.8% | 49,610 | +2.7% | 0.01% | -33.3% |
| Q2 2019 | $2,174,000 | +254.1% | 48,310 | +195.9% | 0.02% | +275.0% |
| Q1 2019 | $614,000 | +10.8% | 16,327 | +1.2% | 0.00% | 0.0% |
| Q4 2018 | $554,000 | -33.8% | 16,127 | -9.4% | 0.00% | -33.3% |
| Q3 2018 | $837,000 | +35.4% | 17,800 | -2.7% | 0.01% | +50.0% |
| Q2 2018 | $618,000 | – | 18,300 | – | 0.00% | – |
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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% |