PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 185 filers reported holding PTC THERAPEUTICS INC in Q2 2021. The put-call ratio across all filers is 0.52 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,474,959 | -55.6% | 65,817 | -19.3% | 0.00% | -50.0% |
| Q2 2023 | $3,318,875 | +20.2% | 81,605 | +43.2% | 0.00% | 0.0% |
| Q1 2023 | $2,760,644 | +55.7% | 56,991 | +21.3% | 0.00% | +100.0% |
| Q4 2022 | $1,772,911 | -30.2% | 46,990 | -7.0% | 0.00% | -50.0% |
| Q3 2022 | $2,540,461 | +23.8% | 50,539 | -1.0% | 0.00% | +100.0% |
| Q2 2022 | $2,052,216 | +6.8% | 51,036 | -0.8% | 0.00% | 0.0% |
| Q1 2022 | $1,920,837 | +35.5% | 51,471 | +45.0% | 0.00% | 0.0% |
| Q4 2021 | $1,418,000 | +6.8% | 35,502 | -0.5% | 0.00% | 0.0% |
| Q3 2021 | $1,328,000 | -19.6% | 35,696 | -8.6% | 0.00% | 0.0% |
| Q2 2021 | $1,652,000 | +0.1% | 39,075 | +12.1% | 0.00% | 0.0% |
| Q1 2021 | $1,650,000 | -26.9% | 34,852 | -5.8% | 0.00% | -50.0% |
| Q4 2020 | $2,257,000 | +35.3% | 36,979 | +3.6% | 0.00% | 0.0% |
| Q3 2020 | $1,668,000 | -10.3% | 35,680 | -2.8% | 0.00% | 0.0% |
| Q2 2020 | $1,859,000 | +9.0% | 36,709 | -4.0% | 0.00% | 0.0% |
| Q1 2020 | $1,705,000 | +3.4% | 38,229 | +11.3% | 0.00% | 0.0% |
| Q4 2019 | $1,649,000 | +34.6% | 34,336 | -3.0% | 0.00% | +100.0% |
| Q3 2019 | $1,225,000 | -22.7% | 35,389 | +0.5% | 0.00% | -50.0% |
| Q2 2019 | $1,585,000 | +26.1% | 35,222 | +5.4% | 0.00% | +100.0% |
| Q1 2019 | $1,257,000 | +30.8% | 33,409 | +19.3% | 0.00% | 0.0% |
| Q4 2018 | $961,000 | -30.6% | 27,993 | -4.9% | 0.00% | 0.0% |
| Q3 2018 | $1,384,000 | +22.7% | 29,430 | -12.0% | 0.00% | 0.0% |
| Q2 2018 | $1,128,000 | +39.1% | 33,441 | +11.6% | 0.00% | 0.0% |
| Q1 2018 | $811,000 | +57.2% | 29,966 | -3.0% | 0.00% | 0.0% |
| Q4 2017 | $516,000 | -16.5% | 30,908 | +0.1% | 0.00% | 0.0% |
| Q3 2017 | $618,000 | +29.0% | 30,872 | +17.9% | 0.00% | 0.0% |
| Q2 2017 | $479,000 | +84.2% | 26,191 | -0.9% | 0.00% | – |
| Q1 2017 | $260,000 | -33.7% | 26,439 | -26.5% | 0.00% | -100.0% |
| Q4 2016 | $392,000 | -23.7% | 35,953 | -1.9% | 0.00% | 0.0% |
| Q3 2016 | $514,000 | +96.9% | 36,634 | -1.4% | 0.00% | – |
| Q2 2016 | $261,000 | +23.1% | 37,171 | +6.7% | 0.00% | – |
| Q1 2016 | $212,000 | -81.1% | 34,850 | +0.8% | 0.00% | -100.0% |
| Q4 2015 | $1,120,000 | +60.5% | 34,569 | +32.2% | 0.00% | 0.0% |
| Q3 2015 | $698,000 | -43.1% | 26,147 | +2.6% | 0.00% | 0.0% |
| Q2 2015 | $1,227,000 | -0.6% | 25,495 | +25.8% | 0.00% | -50.0% |
| Q1 2015 | $1,234,000 | +22.3% | 20,266 | +4.0% | 0.00% | +100.0% |
| Q4 2014 | $1,009,000 | +22.3% | 19,481 | +3.9% | 0.00% | 0.0% |
| Q3 2014 | $825,000 | +69.4% | 18,744 | +0.8% | 0.00% | 0.0% |
| Q2 2014 | $487,000 | +14.6% | 18,597 | +14.4% | 0.00% | 0.0% |
| Q1 2014 | $425,000 | +224.4% | 16,251 | +110.0% | 0.00% | – |
| Q4 2013 | $131,000 | +4266.7% | 7,737 | +4646.6% | 0.00% | – |
| Q3 2013 | $3,000 | – | 163 | – | 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% |