PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 181 filers reported holding PTC THERAPEUTICS INC in Q3 2021. The put-call ratio across all filers is 0.85 and the average weighting 0.7%.
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 ↓ |
|---|---|---|---|
| RTW INVESTMENTS, LP | 7,235,196 | $162,140,742 | 3.42% |
| Camber Capital Management LP | 3,400,000 | $76,194 | 2.51% |
| ARMISTICE CAPITAL, LLC | 6,150,000 | $137,821,500 | 2.11% |
| GREAT POINT PARTNERS LLC | 500,000 | $11,205,000 | 2.04% |
| COWEN AND COMPANY, LLC | 799,511 | $17,917,041 | 1.25% |
| GEORGE KAISER FAMILY FOUNDATION | 45,816 | $6,491,211 | 1.22% |
| SPHERA FUNDS MANAGEMENT LTD. | 218,459 | $4,895,666 | 0.89% |
| SECTORAL ASSET MANAGEMENT INC | 187,016 | $4,191,029 | 0.82% |
| Nebula Research & Development LLC | 21,858 | $489,838 | 0.26% |
| Phocas Financial Corp. | 64,701 | $1,450,000 | 0.21% |