PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 217 filers reported holding PTC THERAPEUTICS INC in Q4 2020. The put-call ratio across all filers is 0.02 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $452,000 | -83.6% | 9,650 | -82.2% | 0.01% | -84.2% |
| Q2 2020 | $2,748,000 | +12.8% | 54,150 | -0.8% | 0.04% | -2.6% |
| Q1 2020 | $2,436,000 | -14.0% | 54,600 | -6.6% | 0.04% | +39.3% |
| Q4 2019 | $2,832,000 | -5.1% | 58,450 | -33.8% | 0.03% | -15.2% |
| Q3 2019 | $2,985,000 | -26.7% | 88,250 | -2.4% | 0.03% | -25.0% |
| Q2 2019 | $4,071,000 | +23.9% | 90,450 | +3.6% | 0.04% | +22.2% |
| Q1 2019 | $3,286,000 | -31.5% | 87,276 | -37.5% | 0.04% | -41.9% |
| Q4 2018 | $4,797,000 | -27.0% | 139,750 | 0.0% | 0.06% | -1.6% |
| Q3 2018 | $6,568,000 | -7.3% | 139,750 | -33.5% | 0.06% | -10.0% |
| Q2 2018 | $7,084,000 | +24.7% | 210,007 | 0.0% | 0.07% | +20.7% |
| Q1 2018 | $5,683,000 | +54.3% | 210,007 | -4.9% | 0.06% | +65.7% |
| Q4 2017 | $3,683,000 | -19.7% | 220,818 | -3.7% | 0.04% | -5.4% |
| Q3 2017 | $4,589,000 | +6.6% | 229,338 | -2.3% | 0.04% | 0.0% |
| Q2 2017 | $4,305,000 | +86.3% | 234,835 | 0.0% | 0.04% | +85.0% |
| Q1 2017 | $2,311,000 | -6.0% | 234,835 | +4.2% | 0.02% | 0.0% |
| Q4 2016 | $2,459,000 | -22.1% | 225,367 | 0.0% | 0.02% | -20.0% |
| Q3 2016 | $3,157,000 | +105.1% | 225,367 | +2.8% | 0.02% | +92.3% |
| Q2 2016 | $1,539,000 | – | 219,206 | – | 0.01% | – |
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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% |