PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 180 filers reported holding PTC THERAPEUTICS INC in Q3 2023. The put-call ratio across all filers is 0.26 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $6 | -50.0% | 289 | 0.0% | 0.00% | – |
| Q2 2023 | $12 | -14.3% | 289 | 0.0% | 0.00% | – |
| Q1 2023 | $14 | +27.3% | 289 | 0.0% | 0.00% | – |
| Q4 2022 | $11 | -99.9% | 289 | +8.6% | 0.00% | – |
| Q3 2022 | $13,000 | +18.2% | 266 | 0.0% | 0.00% | – |
| Q2 2022 | $11,000 | +37.5% | 266 | +29.1% | 0.00% | – |
| Q1 2022 | $8,000 | 0.0% | 206 | 0.0% | 0.00% | – |
| Q4 2021 | $8,000 | -11.1% | 206 | -14.9% | 0.00% | – |
| Q3 2021 | $9,000 | +50.0% | 242 | +74.1% | 0.00% | – |
| Q2 2021 | $6,000 | -14.3% | 139 | 0.0% | 0.00% | – |
| Q1 2021 | $7,000 | -12.5% | 139 | +8.6% | 0.00% | – |
| Q4 2020 | $8,000 | -52.9% | 128 | -64.2% | 0.00% | – |
| Q3 2020 | $17,000 | +6.2% | 358 | +2.9% | 0.00% | – |
| Q2 2020 | $16,000 | 0.0% | 348 | 0.0% | 0.00% | – |
| Q1 2020 | $16,000 | -5.9% | 348 | 0.0% | 0.00% | – |
| Q4 2019 | $17,000 | +41.7% | 348 | -4.7% | 0.00% | – |
| Q3 2019 | $12,000 | -25.0% | 365 | 0.0% | 0.00% | – |
| Q2 2019 | $16,000 | +14.3% | 365 | 0.0% | 0.00% | – |
| Q1 2019 | $14,000 | +75.0% | 365 | +59.4% | 0.00% | – |
| Q4 2018 | $8,000 | -27.3% | 229 | 0.0% | 0.00% | – |
| Q3 2018 | $11,000 | +37.5% | 229 | 0.0% | 0.00% | – |
| Q2 2018 | $8,000 | +33.3% | 229 | 0.0% | 0.00% | – |
| Q1 2018 | $6,000 | – | 229 | – | 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% |