PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 201 filers reported holding PTC THERAPEUTICS INC in Q3 2020. The put-call ratio across all filers is 0.68 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $65,000 | +225.0% | 1,739 | +273.2% | 0.00% | +200.0% |
| Q2 2021 | $20,000 | -89.2% | 466 | -87.3% | 0.00% | -91.7% |
| Q2 2020 | $185,000 | +107.9% | 3,655 | +80.2% | 0.01% | +71.4% |
| Q1 2020 | $89,000 | -67.6% | 2,028 | -64.6% | 0.01% | -58.8% |
| Q4 2019 | $275,000 | +358.3% | 5,729 | +229.6% | 0.02% | +325.0% |
| Q3 2019 | $60,000 | +1900.0% | 1,738 | +2347.9% | 0.00% | – |
| Q2 2019 | $3,000 | -91.9% | 71 | -93.4% | 0.00% | -100.0% |
| Q4 2018 | $37,000 | -21.3% | 1,068 | +9.1% | 0.00% | -25.0% |
| Q3 2018 | $47,000 | -100.0% | 979 | -75.8% | 0.00% | -66.7% |
| Q2 2018 | $136,673,000 | +1708312.5% | 4,052 | +842.3% | 0.01% | +1100.0% |
| Q4 2017 | $8,000 | 0.0% | 430 | +12.3% | 0.00% | 0.0% |
| Q3 2017 | $8,000 | +700.0% | 383 | +681.6% | 0.00% | – |
| Q2 2017 | $1,000 | -50.0% | 49 | -69.0% | 0.00% | – |
| Q1 2017 | $2,000 | -91.7% | 158 | -92.6% | 0.00% | -100.0% |
| Q4 2016 | $24,000 | -62.5% | 2,141 | -53.3% | 0.00% | -60.0% |
| Q3 2016 | $64,000 | -25.6% | 4,585 | -62.4% | 0.01% | -37.5% |
| Q2 2016 | $86,000 | +290.9% | 12,183 | +1696.9% | 0.01% | +300.0% |
| Q4 2015 | $22,000 | – | 678 | – | 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% |