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 | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $319,000 | -45.9% | 7,547 | -39.5% | 0.11% | +22.0% |
| Q1 2021 | $590,000 | +181.0% | 12,467 | +200.6% | 0.09% | +122.0% |
| Q2 2020 | $210,000 | -30.0% | 4,147 | -33.5% | 0.04% | -6.8% |
| Q4 2019 | $300,000 | -5.1% | 6,237 | -33.2% | 0.04% | -39.7% |
| Q3 2019 | $316,000 | -34.7% | 9,330 | -13.2% | 0.07% | -19.8% |
| Q2 2019 | $484,000 | +15.5% | 10,753 | +20.6% | 0.09% | +13.8% |
| Q3 2018 | $419,000 | +92.2% | 8,914 | +38.2% | 0.08% | +100.0% |
| Q2 2018 | $218,000 | -20.4% | 6,450 | +23.8% | 0.04% | -63.6% |
| Q4 2014 | $274,000 | – | 5,212 | – | 0.11% | – |
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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% |