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 | $529,997 | -41.3% | 23,650 | +6.6% | 0.00% | -100.0% |
| Q2 2023 | $902,508 | +117.1% | 22,191 | +158.6% | 0.00% | – |
| Q1 2023 | $415,712 | +35.5% | 8,582 | +6.8% | 0.00% | – |
| Q4 2022 | $306,772 | -62.8% | 8,037 | -51.1% | 0.00% | -100.0% |
| Q3 2022 | $825,000 | +102.7% | 16,444 | +61.7% | 0.00% | – |
| Q2 2022 | $407,000 | -17.3% | 10,170 | -22.8% | 0.00% | – |
| Q1 2022 | $492,000 | -6.3% | 13,170 | 0.0% | 0.00% | – |
| Q4 2021 | $525,000 | +7.1% | 13,170 | 0.0% | 0.00% | – |
| Q3 2021 | $490,000 | -20.3% | 13,170 | +30.7% | 0.00% | – |
| Q4 2020 | $615,000 | +0.5% | 10,079 | -23.0% | 0.00% | -100.0% |
| Q3 2020 | $612,000 | -94.4% | 13,089 | -93.9% | 0.00% | -90.0% |
| Q2 2020 | $10,860,000 | +23.5% | 214,041 | +8.6% | 0.01% | 0.0% |
| Q1 2020 | $8,790,000 | -1.8% | 197,048 | +5.7% | 0.01% | +11.1% |
| Q4 2019 | $8,952,000 | +139.9% | 186,375 | +68.9% | 0.01% | +125.0% |
| Q3 2019 | $3,731,000 | -20.1% | 110,314 | +6.3% | 0.00% | -20.0% |
| Q2 2019 | $4,668,000 | +43.1% | 103,740 | +49.5% | 0.01% | +66.7% |
| Q3 2018 | $3,261,000 | +5.0% | 69,384 | -24.6% | 0.00% | 0.0% |
| Q2 2018 | $3,105,000 | +24.6% | 92,042 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $2,491,000 | -22.0% | 92,042 | -51.9% | 0.00% | 0.0% |
| Q4 2017 | $3,193,000 | -18.9% | 191,441 | -2.7% | 0.00% | -25.0% |
| Q3 2017 | $3,936,000 | +413.8% | 196,722 | +731.8% | 0.00% | +300.0% |
| Q4 2015 | $766,000 | -18.1% | 23,651 | -32.5% | 0.00% | 0.0% |
| Q3 2015 | $935,000 | -19.3% | 35,028 | +45.5% | 0.00% | 0.0% |
| Q2 2015 | $1,159,000 | +78.9% | 24,071 | +126.2% | 0.00% | 0.0% |
| Q1 2015 | $648,000 | +17.4% | 10,641 | -0.2% | 0.00% | 0.0% |
| Q4 2014 | $552,000 | – | 10,662 | – | 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% |