PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 181 filers reported holding PTC THERAPEUTICS INC in Q3 2021. The put-call ratio across all filers is 0.85 and the average weighting 0.7%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $17,148 | +10.1% | 354 | -13.2% | 0.00% | 0.0% |
| Q4 2022 | $15,573 | -2.7% | 408 | +25.5% | 0.00% | -33.3% |
| Q3 2022 | $16,000 | +23.1% | 325 | +0.3% | 0.00% | +50.0% |
| Q2 2022 | $13,000 | +85.7% | 324 | +66.2% | 0.00% | +100.0% |
| Q3 2021 | $7,000 | -12.5% | 195 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $8,000 | +100.0% | 195 | +105.3% | 0.00% | -50.0% |
| Q1 2021 | $4,000 | +300.0% | 95 | +265.4% | 0.00% | – |
| Q4 2019 | $1,000 | 0.0% | 26 | 0.0% | 0.00% | – |
| Q3 2019 | $1,000 | 0.0% | 26 | 0.0% | 0.00% | – |
| Q2 2019 | $1,000 | 0.0% | 26 | 0.0% | 0.00% | – |
| Q1 2019 | $1,000 | 0.0% | 26 | 0.0% | 0.00% | – |
| Q4 2018 | $1,000 | – | 26 | – | 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% |