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 | $127,109 | -50.3% | 5,672 | -9.7% | 0.00% | – |
| Q2 2023 | $255,530 | -37.2% | 6,283 | -25.3% | 0.00% | -100.0% |
| Q1 2023 | $407,187 | +37.7% | 8,406 | +8.5% | 0.00% | 0.0% |
| Q4 2022 | $295,665 | -28.9% | 7,746 | -6.5% | 0.00% | 0.0% |
| Q3 2022 | $416,000 | +15.9% | 8,285 | -7.4% | 0.00% | 0.0% |
| Q2 2022 | $359,000 | +4.1% | 8,946 | -3.4% | 0.00% | 0.0% |
| Q1 2022 | $345,000 | +2.7% | 9,257 | +9.9% | 0.00% | 0.0% |
| Q4 2021 | $336,000 | +25.4% | 8,425 | +16.9% | 0.00% | 0.0% |
| Q3 2021 | $268,000 | -4.6% | 7,206 | +8.2% | 0.00% | 0.0% |
| Q2 2021 | $281,000 | -2.4% | 6,657 | +9.7% | 0.00% | 0.0% |
| Q1 2021 | $288,000 | +1500.0% | 6,069 | +1909.6% | 0.00% | – |
| Q4 2020 | $18,000 | +350.0% | 302 | +251.2% | 0.00% | – |
| Q3 2020 | $4,000 | +300.0% | 86 | +207.1% | 0.00% | – |
| Q2 2020 | $1,000 | -98.8% | 28 | -98.5% | 0.00% | – |
| Q2 2019 | $86,000 | -26.5% | 1,908 | -38.7% | 0.00% | – |
| Q1 2019 | $117,000 | +19.4% | 3,115 | +9.3% | 0.00% | – |
| Q4 2018 | $98,000 | +10.1% | 2,851 | +50.6% | 0.00% | – |
| Q3 2018 | $89,000 | +53.4% | 1,893 | +9.2% | 0.00% | – |
| Q2 2018 | $58,000 | – | 1,733 | +24657.1% | 0.00% | – |
| Q1 2016 | $0 | -100.0% | 7 | -99.0% | 0.00% | – |
| Q3 2015 | $18,000 | – | 696 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Burrage Capital Management LLC | 161,083 | $9,831,000 | 7.49% |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC | 333,000 | $20,323,000 | 5.55% |
| RTW INVESTMENTS, LP | 4,221,836 | $257,659,000 | 4.32% |
| GEORGE KAISER FAMILY FOUNDATION | 90,011 | $10,766,000 | 2.85% |
| SECTORAL ASSET MANAGEMENT INC | 603,978 | $36,861,000 | 2.60% |
| Redwood Investments, LLC | 364,837 | $22,266,000 | 1.90% |
| ARMISTICE CAPITAL, LLC | 716,000 | $43,697,000 | 1.49% |
| CM Management, LLC | 25,000 | $1,526,000 | 1.42% |
| Third Security, LLC | 237,015 | $14,465,000 | 1.32% |
| Sofinnova Investments, Inc. | 316,478 | $19,315,000 | 1.15% |