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 2023 | $5,285 | -69.1% | 236 | -44.1% | 0.00% | – |
| Q2 2023 | $17,104 | -36.7% | 422 | -24.2% | 0.00% | – |
| Q1 2023 | $27,015 | +93.0% | 557 | +54.7% | 0.00% | – |
| Q4 2022 | $14,000 | -39.1% | 360 | -21.6% | 0.00% | – |
| Q3 2022 | $23,000 | 0.0% | 459 | -21.7% | 0.00% | – |
| Q2 2022 | $23,000 | -25.8% | 586 | -29.5% | 0.00% | – |
| Q1 2022 | $31,000 | +6.9% | 831 | +11.8% | 0.00% | – |
| Q4 2021 | $29,000 | +31.8% | 743 | +24.5% | 0.00% | – |
| Q3 2021 | $22,000 | 0.0% | 597 | +13.5% | 0.00% | – |
| Q2 2021 | $22,000 | -31.2% | 526 | -20.2% | 0.00% | – |
| Q1 2021 | $32,000 | -22.0% | 659 | -2.2% | 0.00% | – |
| Q4 2020 | $41,000 | -25.5% | 674 | -43.3% | 0.00% | – |
| Q3 2020 | $55,000 | -11.3% | 1,188 | -3.4% | 0.00% | – |
| Q2 2020 | $62,000 | +21.6% | 1,230 | +7.8% | 0.00% | – |
| Q1 2020 | $51,000 | – | 1,141 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Burrage Capital Management LLC | 160,372 | $7,594,000 | 6.15% |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC | 408,000 | $19,319,000 | 5.11% |
| RTW INVESTMENTS, LP | 5,293,966 | $250,669,000 | 3.91% |
| GEORGE KAISER FAMILY FOUNDATION | 72,105 | $9,925,000 | 2.07% |
| SECTORAL ASSET MANAGEMENT INC | 504,928 | $23,908,000 | 1.81% |
| Redwood Investments, LLC | 385,014 | $18,230,000 | 1.60% |
| ARMISTICE CAPITAL, LLC | 1,396,000 | $66,101,000 | 1.52% |
| Integral Health Asset Management, LLC | 100,100 | $4,740,000 | 1.35% |
| Sofinnova Investments, Inc. | 466,840 | $22,105,000 | 1.33% |
| Chubb Ltd | 8,180 | $387,000 | 1.10% |