PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 202 filers reported holding PTC THERAPEUTICS INC in Q1 2023. The put-call ratio across all filers is 0.81 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $120 | -31.4% | 5,400 | +24.5% | 0.00% | – |
| Q2 2023 | $175 | +177.8% | 4,337 | +228.6% | 0.00% | – |
| Q1 2023 | $63 | -33.0% | 1,320 | -46.7% | 0.00% | – |
| Q4 2022 | $94 | -99.8% | 2,478 | +115.1% | 0.00% | – |
| Q3 2022 | $57,000 | -93.9% | 1,152 | -95.4% | 0.00% | -100.0% |
| Q1 2022 | $939,000 | +1119.5% | 25,192 | +1197.2% | 0.00% | – |
| Q4 2021 | $77,000 | +600.0% | 1,942 | +588.7% | 0.00% | – |
| Q2 2021 | $11,000 | -92.8% | 282 | -91.2% | 0.00% | – |
| Q1 2021 | $152,000 | -75.2% | 3,213 | -68.0% | 0.00% | -100.0% |
| Q4 2020 | $612,000 | +774.3% | 10,034 | +535.1% | 0.00% | – |
| Q1 2020 | $70,000 | +536.4% | 1,580 | +356.6% | 0.00% | – |
| Q3 2019 | $11,000 | -96.3% | 346 | -96.3% | 0.00% | -100.0% |
| Q4 2015 | $300,000 | -27.5% | 9,275 | -40.2% | 0.00% | 0.0% |
| Q3 2015 | $414,000 | – | 15,509 | – | 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% |