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 | $3,197 | -30.0% | 142,650 | +27.1% | 0.00% | -33.3% |
| Q2 2023 | $4,564 | +10.7% | 112,215 | +31.9% | 0.00% | +50.0% |
| Q1 2023 | $4,122 | -18.2% | 85,091 | -35.5% | 0.00% | 0.0% |
| Q4 2022 | $5,037 | -99.9% | 131,946 | -0.1% | 0.00% | -71.4% |
| Q3 2022 | $6,629,000 | +592.7% | 132,066 | +452.9% | 0.01% | +600.0% |
| Q2 2022 | $957,000 | -52.9% | 23,888 | -56.1% | 0.00% | -50.0% |
| Q1 2022 | $2,031,000 | -73.4% | 54,444 | -71.6% | 0.00% | +100.0% |
| Q4 2021 | $7,626,000 | +244.9% | 191,484 | +222.1% | 0.00% | 0.0% |
| Q3 2021 | $2,211,000 | +234.5% | 59,440 | +280.1% | 0.00% | – |
| Q2 2021 | $661,000 | -83.9% | 15,638 | -81.9% | 0.00% | -100.0% |
| Q1 2021 | $4,100,000 | -39.0% | 86,581 | -21.3% | 0.00% | -50.0% |
| Q4 2020 | $6,718,000 | +25.3% | 110,078 | -4.0% | 0.00% | +33.3% |
| Q3 2020 | $5,360,000 | -32.7% | 114,671 | -26.9% | 0.00% | -50.0% |
| Q2 2020 | $7,960,000 | +1.8% | 156,871 | -10.5% | 0.01% | 0.0% |
| Q1 2020 | $7,818,000 | -56.0% | 175,247 | -52.6% | 0.01% | -33.3% |
| Q4 2019 | $17,755,000 | +19.2% | 369,706 | -16.1% | 0.01% | 0.0% |
| Q3 2019 | $14,900,000 | +56.6% | 440,605 | +108.4% | 0.01% | +80.0% |
| Q2 2019 | $9,515,000 | +299.0% | 211,465 | +233.7% | 0.01% | +150.0% |
| Q1 2019 | $2,385,000 | +78.1% | 63,364 | +62.5% | 0.00% | +100.0% |
| Q4 2018 | $1,339,000 | -60.3% | 39,002 | -45.6% | 0.00% | -66.7% |
| Q3 2018 | $3,373,000 | -47.1% | 71,732 | -62.0% | 0.00% | -50.0% |
| Q2 2018 | $6,376,000 | -45.8% | 188,962 | -56.5% | 0.01% | -33.3% |
| Q1 2018 | $11,756,000 | +1937.4% | 434,399 | +1157.2% | 0.01% | – |
| Q4 2017 | $577,000 | -84.0% | 34,554 | -80.9% | 0.00% | -100.0% |
| Q3 2017 | $3,617,000 | +106.1% | 180,780 | +88.8% | 0.00% | +100.0% |
| Q2 2017 | $1,755,000 | -30.1% | 95,761 | -62.5% | 0.00% | -33.3% |
| Q1 2017 | $2,512,000 | +847.9% | 255,408 | +949.4% | 0.00% | – |
| Q4 2016 | $265,000 | -78.8% | 24,339 | -72.7% | 0.00% | -100.0% |
| Q3 2016 | $1,250,000 | +1113.6% | 89,156 | +502.2% | 0.00% | – |
| Q2 2016 | $103,000 | +18.4% | 14,804 | +1.6% | 0.00% | – |
| Q1 2016 | $87,000 | -99.6% | 14,566 | -97.8% | 0.00% | -100.0% |
| Q4 2015 | $21,050,000 | -70.5% | 657,782 | -76.1% | 0.02% | -71.3% |
| Q3 2015 | $71,465,000 | +811.5% | 2,748,652 | +1582.9% | 0.09% | +866.7% |
| Q2 2015 | $7,840,000 | +141.2% | 163,325 | +201.6% | 0.01% | +200.0% |
| Q1 2015 | $3,250,000 | +2095.9% | 54,161 | +1759.3% | 0.00% | – |
| Q4 2014 | $148,000 | +37.0% | 2,913 | +18.3% | 0.00% | – |
| Q3 2014 | $108,000 | -35.3% | 2,462 | -61.7% | 0.00% | – |
| Q2 2014 | $167,000 | +49.1% | 6,422 | +47.8% | 0.00% | – |
| Q1 2014 | $112,000 | +3633.3% | 4,345 | +1748.9% | 0.00% | – |
| Q4 2013 | $3,000 | -72.7% | 235 | -56.6% | 0.00% | – |
| Q3 2013 | $11,000 | – | 542 | – | 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% |