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 | $879 | -25.2% | 39,202 | +35.6% | 0.01% | -16.7% |
| Q2 2023 | $1,175 | +2.3% | 28,900 | +21.8% | 0.01% | -25.0% |
| Q1 2023 | $1,149 | +16.2% | 23,725 | -8.4% | 0.01% | +33.3% |
| Q4 2022 | $989 | -99.9% | 25,900 | -7.0% | 0.01% | -45.5% |
| Q3 2022 | $1,398,000 | -35.1% | 27,850 | -48.2% | 0.01% | -31.2% |
| Q2 2022 | $2,153,000 | +14.0% | 53,750 | +6.2% | 0.02% | +23.1% |
| Q1 2022 | $1,888,000 | +0.5% | 50,600 | +7.3% | 0.01% | -7.1% |
| Q4 2021 | $1,879,000 | +13.9% | 47,175 | +6.4% | 0.01% | +7.7% |
| Q3 2021 | $1,649,000 | +2.9% | 44,327 | +16.9% | 0.01% | 0.0% |
| Q2 2021 | $1,603,000 | +181.7% | 37,927 | +215.3% | 0.01% | +160.0% |
| Q1 2021 | $569,000 | +99.0% | 12,027 | +96.3% | 0.01% | +25.0% |
| Q3 2020 | $286,000 | – | 6,127 | – | 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% |