PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 127 filers reported holding PTC THERAPEUTICS INC in Q4 2017. The put-call ratio across all filers is 4.21 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $468,846 | -93.2% | 12,600 | -91.2% | 0.00% | -94.3% |
| Q4 2019 | $6,917,000 | +187.4% | 144,000 | +102.3% | 0.05% | +178.9% |
| Q3 2019 | $2,407,000 | -33.1% | 71,167 | -11.0% | 0.02% | -26.9% |
| Q2 2019 | $3,600,000 | +71.8% | 80,000 | +43.7% | 0.03% | +52.9% |
| Q1 2019 | $2,095,000 | -10.7% | 55,657 | +11.5% | 0.02% | +13.3% |
| Q3 2018 | $2,346,000 | +45.7% | 49,912 | -16.1% | 0.02% | +66.7% |
| Q1 2018 | $1,610,000 | +83.8% | 59,523 | +13.4% | 0.01% | +125.0% |
| Q4 2017 | $876,000 | +303.7% | 52,500 | +163.8% | 0.00% | +300.0% |
| Q4 2016 | $217,000 | -84.5% | 19,900 | -80.1% | 0.00% | -85.7% |
| Q3 2016 | $1,401,000 | +230.4% | 100,000 | +663.4% | 0.01% | +250.0% |
| Q4 2015 | $424,000 | -91.1% | 13,100 | -92.7% | 0.00% | -92.6% |
| Q3 2015 | $4,766,000 | -28.5% | 178,500 | +28.8% | 0.03% | -22.9% |
| Q2 2015 | $6,668,000 | +39.3% | 138,541 | +76.2% | 0.04% | +29.6% |
| Q1 2015 | $4,786,000 | +168.0% | 78,641 | +127.9% | 0.03% | +145.5% |
| Q4 2014 | $1,786,000 | – | 34,500 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Burrage Capital Management LLC | 161,083 | $9,831,000 | 7.49% |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC | 333,000 | $20,323,000 | 5.55% |
| RTW INVESTMENTS, LP | 4,221,836 | $257,659,000 | 4.32% |
| GEORGE KAISER FAMILY FOUNDATION | 90,011 | $10,766,000 | 2.85% |
| SECTORAL ASSET MANAGEMENT INC | 603,978 | $36,861,000 | 2.60% |
| Redwood Investments, LLC | 364,837 | $22,266,000 | 1.90% |
| ARMISTICE CAPITAL, LLC | 716,000 | $43,697,000 | 1.49% |
| CM Management, LLC | 25,000 | $1,526,000 | 1.42% |
| Third Security, LLC | 237,015 | $14,465,000 | 1.32% |
| Sofinnova Investments, Inc. | 316,478 | $19,315,000 | 1.15% |