PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 178 filers reported holding PTC THERAPEUTICS INC in Q4 2021. The put-call ratio across all filers is 1.00 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $949,534 | -45.0% | 42,371 | -0.3% | 0.00% | -50.0% |
| Q2 2023 | $1,727,906 | +26.3% | 42,486 | +50.4% | 0.00% | 0.0% |
| Q1 2023 | $1,368,623 | -79.1% | 28,254 | -83.6% | 0.00% | -77.8% |
| Q4 2022 | $6,563,370 | +9.1% | 171,951 | +43.5% | 0.01% | 0.0% |
| Q3 2022 | $6,015,718 | +88.1% | 119,835 | +50.1% | 0.01% | +12.5% |
| Q2 2022 | $3,198,000 | -20.7% | 79,856 | -26.1% | 0.01% | 0.0% |
| Q1 2022 | $4,031,000 | +269.5% | 108,013 | +294.2% | 0.01% | +300.0% |
| Q4 2021 | $1,091,000 | +8.3% | 27,401 | +1.3% | 0.00% | 0.0% |
| Q3 2021 | $1,007,000 | -12.0% | 27,048 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $1,144,000 | -77.2% | 27,048 | -74.5% | 0.00% | -80.0% |
| Q1 2021 | $5,013,000 | -31.2% | 105,882 | -11.3% | 0.01% | -33.3% |
| Q4 2020 | $7,283,000 | -37.7% | 119,330 | -52.3% | 0.02% | -42.3% |
| Q3 2020 | $11,693,000 | -6.8% | 250,127 | +1.2% | 0.03% | -10.3% |
| Q2 2020 | $12,542,000 | -6.0% | 247,179 | -17.3% | 0.03% | -19.4% |
| Q1 2020 | $13,339,000 | -8.4% | 299,022 | -1.4% | 0.04% | +20.0% |
| Q4 2019 | $14,564,000 | +1841.9% | 303,247 | +1267.1% | 0.03% | +1400.0% |
| Q3 2019 | $750,000 | -24.8% | 22,182 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $998,000 | +31.8% | 22,182 | +10.3% | 0.00% | 0.0% |
| Q1 2019 | $757,000 | +17.9% | 20,109 | +7.5% | 0.00% | 0.0% |
| Q4 2018 | $642,000 | -23.8% | 18,698 | +4.3% | 0.00% | 0.0% |
| Q3 2018 | $842,000 | +39.4% | 17,919 | 0.0% | 0.00% | +100.0% |
| Q2 2018 | $604,000 | +22.5% | 17,919 | -1.6% | 0.00% | 0.0% |
| Q1 2018 | $493,000 | +62.2% | 18,215 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $304,000 | -16.5% | 18,215 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $364,000 | +20.5% | 18,215 | +10.7% | 0.00% | 0.0% |
| Q2 2017 | $302,000 | +109.7% | 16,459 | +12.8% | 0.00% | – |
| Q1 2017 | $144,000 | -9.4% | 14,593 | 0.0% | 0.00% | – |
| Q4 2016 | $159,000 | -22.1% | 14,593 | 0.0% | 0.00% | – |
| Q3 2016 | $204,000 | +100.0% | 14,593 | 0.0% | 0.00% | – |
| Q2 2016 | $102,000 | +8.5% | 14,593 | 0.0% | 0.00% | – |
| Q1 2016 | $94,000 | -80.1% | 14,593 | 0.0% | 0.00% | -100.0% |
| Q4 2015 | $473,000 | +21.3% | 14,593 | 0.0% | 0.00% | 0.0% |
| Q3 2015 | $390,000 | -51.1% | 14,593 | -12.0% | 0.00% | -50.0% |
| Q2 2015 | $798,000 | +1.1% | 16,588 | +27.9% | 0.00% | 0.0% |
| Q1 2015 | $789,000 | +17.6% | 12,970 | 0.0% | 0.00% | +100.0% |
| Q4 2014 | $671,000 | +17.5% | 12,970 | 0.0% | 0.00% | 0.0% |
| Q3 2014 | $571,000 | +68.4% | 12,970 | 0.0% | 0.00% | 0.0% |
| Q2 2014 | $339,000 | – | 12,970 | – | 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% |