PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 184 filers reported holding PTC THERAPEUTICS INC in Q1 2022. The put-call ratio across all filers is 0.61 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $1,496,645 | +112.8% | 36,800 | +153.4% | 0.01% | +150.0% |
| Q1 2023 | $703,446 | -30.0% | 14,522 | -44.9% | 0.00% | -33.3% |
| Q4 2022 | $1,005,283 | -83.0% | 26,337 | -77.6% | 0.01% | -81.8% |
| Q3 2022 | $5,904,000 | +444.6% | 117,610 | +334.5% | 0.03% | +371.4% |
| Q2 2022 | $1,084,000 | -2.1% | 27,070 | -8.7% | 0.01% | -22.2% |
| Q1 2022 | $1,107,000 | +61.1% | 29,659 | +71.8% | 0.01% | +28.6% |
| Q4 2021 | $687,000 | -52.3% | 17,259 | -55.4% | 0.01% | -61.1% |
| Q3 2021 | $1,439,000 | -33.8% | 38,666 | -24.8% | 0.02% | -25.0% |
| Q2 2021 | $2,173,000 | +38.0% | 51,409 | +54.5% | 0.02% | +20.0% |
| Q1 2021 | $1,575,000 | -42.2% | 33,272 | -25.5% | 0.02% | -45.9% |
| Q4 2020 | $2,726,000 | +192.8% | 44,670 | +124.4% | 0.04% | +164.3% |
| Q3 2020 | $931,000 | +1923.9% | 19,905 | +2111.7% | 0.01% | +1300.0% |
| Q2 2020 | $46,000 | +1433.3% | 900 | +1068.8% | 0.00% | – |
| Q1 2020 | $3,000 | -99.8% | 77 | -99.7% | 0.00% | -100.0% |
| Q4 2019 | $1,302,000 | +729.3% | 27,100 | +484.3% | 0.02% | +700.0% |
| Q3 2019 | $157,000 | -92.8% | 4,638 | -90.4% | 0.00% | -92.5% |
| Q2 2019 | $2,172,000 | +1968.6% | 48,273 | +1624.0% | 0.04% | +1233.3% |
| Q1 2019 | $105,000 | +69.4% | 2,800 | +55.6% | 0.00% | 0.0% |
| Q4 2018 | $62,000 | -36.7% | 1,800 | -13.8% | 0.00% | -40.0% |
| Q3 2018 | $98,000 | -77.8% | 2,088 | -87.2% | 0.01% | -80.8% |
| Q1 2018 | $441,000 | +374.2% | 16,306 | +249.8% | 0.03% | +420.0% |
| Q3 2017 | $93,000 | +272.0% | 4,662 | +240.8% | 0.01% | +150.0% |
| Q2 2017 | $25,000 | -84.4% | 1,368 | -90.7% | 0.00% | -84.6% |
| Q4 2016 | $160,000 | -24.2% | 14,689 | -2.4% | 0.01% | -7.1% |
| Q3 2016 | $211,000 | +154.2% | 15,044 | +383.0% | 0.01% | +250.0% |
| Q3 2015 | $83,000 | -17.0% | 3,115 | +49.8% | 0.00% | -20.0% |
| Q2 2015 | $100,000 | -72.1% | 2,080 | -64.7% | 0.01% | -72.2% |
| Q1 2015 | $359,000 | +360.3% | 5,897 | +293.1% | 0.02% | +350.0% |
| Q4 2014 | $78,000 | +77.3% | 1,500 | +50.0% | 0.00% | +33.3% |
| Q3 2014 | $44,000 | – | 1,000 | – | 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% |