PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 202 filers reported holding PTC THERAPEUTICS INC in Q1 2023. The put-call ratio across all filers is 0.81 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $1,649,237 | -57.5% | 34,047 | -69.9% | 0.03% | -82.6% |
| Q4 2018 | $3,878,000 | -66.2% | 113,000 | -53.7% | 0.17% | -59.1% |
| Q3 2018 | $11,468,000 | +398.6% | 244,000 | +257.8% | 0.42% | +343.2% |
| Q2 2018 | $2,300,000 | +24.7% | 68,200 | 0.0% | 0.10% | +10.5% |
| Q1 2018 | $1,845,000 | +62.1% | 68,200 | 0.0% | 0.09% | +45.8% |
| Q4 2017 | $1,138,000 | -16.6% | 68,200 | 0.0% | 0.06% | -23.4% |
| Q3 2017 | $1,365,000 | – | 68,200 | – | 0.08% | – |
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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% |