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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,614,192 | +483.3% | 72,030 | +958.6% | 0.00% | +300.0% |
| Q2 2023 | $276,719 | -93.7% | 6,804 | -92.5% | 0.00% | -98.5% |
| Q1 2023 | $4,410,268 | +20.8% | 91,046 | -4.8% | 0.07% | 0.0% |
| Q4 2022 | $3,650,235 | +50.8% | 95,631 | +58.3% | 0.07% | -1.5% |
| Q2 2022 | $2,420,000 | +547.1% | 60,412 | +502.1% | 0.07% | +570.0% |
| Q1 2022 | $374,000 | -80.3% | 10,033 | -74.7% | 0.01% | -91.9% |
| Q4 2019 | $1,901,000 | +30.1% | 39,600 | -8.3% | 0.12% | +41.4% |
| Q3 2019 | $1,461,000 | +252.9% | 43,200 | +369.9% | 0.09% | +93.3% |
| Q2 2019 | $414,000 | +71.8% | 9,194 | +43.7% | 0.04% | +12.5% |
| Q1 2019 | $241,000 | – | 6,400 | – | 0.04% | – |
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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% |