PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 208 filers reported holding PTC THERAPEUTICS INC in Q1 2021. The put-call ratio across all filers is 0.07 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $565,494 | -48.4% | 25,234 | -6.3% | 0.01% | -53.3% |
| Q2 2023 | $1,094,877 | -1.8% | 26,921 | +16.9% | 0.02% | 0.0% |
| Q1 2023 | $1,115,283 | +23.2% | 23,024 | -2.9% | 0.02% | +7.1% |
| Q4 2022 | $905,278 | -27.3% | 23,717 | -52.1% | 0.01% | 0.0% |
| Q3 2022 | $1,245,244 | +15.9% | 49,548 | +84.8% | 0.01% | -33.3% |
| Q2 2022 | $1,074,000 | +175.4% | 26,809 | +225.9% | 0.02% | +425.0% |
| Q1 2021 | $390,000 | -77.8% | 8,227 | -77.5% | 0.00% | -87.5% |
| Q4 2019 | $1,757,000 | +359.9% | 36,574 | +223.7% | 0.03% | +190.9% |
| Q3 2019 | $382,000 | -82.1% | 11,300 | -76.1% | 0.01% | -81.7% |
| Q2 2019 | $2,129,000 | +461.7% | 47,306 | +237.8% | 0.06% | +114.3% |
| Q1 2018 | $379,000 | – | 14,006 | – | 0.03% | – |
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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% |