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 | $256,054 | +6301.4% | 5,286 | +4619.6% | 0.00% | – |
| Q2 2022 | $4,000 | -42.9% | 112 | -37.4% | 0.00% | – |
| Q1 2022 | $7,000 | -61.1% | 179 | -60.0% | 0.00% | – |
| Q4 2021 | $18,000 | 0.0% | 447 | -9.0% | 0.00% | – |
| Q3 2021 | $18,000 | +5.9% | 491 | +19.5% | 0.00% | – |
| Q2 2021 | $17,000 | -10.5% | 411 | +0.2% | 0.00% | – |
| Q1 2021 | $19,000 | +533.3% | 410 | +811.1% | 0.00% | – |
| Q4 2020 | $3,000 | +50.0% | 45 | 0.0% | 0.00% | – |
| Q3 2020 | $2,000 | 0.0% | 45 | 0.0% | 0.00% | – |
| Q2 2020 | $2,000 | -50.0% | 45 | -59.1% | 0.00% | – |
| Q3 2019 | $4,000 | – | 110 | – | 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% |