PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 178 filers reported holding PTC THERAPEUTICS INC in Q4 2021. The put-call ratio across all filers is 1.00 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $52,000 | -11.9% | 1,400 | 0.0% | 0.01% | -12.5% |
| Q2 2021 | $59,000 | -10.6% | 1,400 | 0.0% | 0.01% | -20.0% |
| Q1 2021 | $66,000 | -22.4% | 1,400 | 0.0% | 0.01% | -23.1% |
| Q4 2020 | $85,000 | +30.8% | 1,400 | 0.0% | 0.01% | +18.2% |
| Q3 2020 | $65,000 | -8.5% | 1,400 | 0.0% | 0.01% | -15.4% |
| Q2 2020 | $71,000 | +14.5% | 1,400 | 0.0% | 0.01% | 0.0% |
| Q1 2020 | $62,000 | -7.5% | 1,400 | 0.0% | 0.01% | +8.3% |
| Q4 2019 | $67,000 | +67.5% | 1,400 | -53.3% | 0.01% | -36.8% |
| Q3 2016 | $40,000 | +90.5% | 3,000 | 0.0% | 0.02% | +90.0% |
| Q2 2016 | $21,000 | – | 3,000 | – | 0.01% | – |
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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% |