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 | $2,397,943 | -44.2% | 107,004 | +1.3% | 0.00% | -40.0% |
| Q2 2023 | $4,298,086 | +85741.5% | 105,682 | +2.2% | 0.01% | -16.7% |
| Q1 2023 | $5,007 | +29.1% | 103,370 | +1.7% | 0.01% | +20.0% |
| Q4 2022 | $3,879 | -99.9% | 101,634 | +3.1% | 0.01% | -28.6% |
| Q3 2022 | $4,951,000 | +37.9% | 98,619 | +10.0% | 0.01% | +40.0% |
| Q2 2022 | $3,590,000 | +29.9% | 89,619 | +21.0% | 0.01% | +25.0% |
| Q1 2022 | $2,764,000 | -6.4% | 74,083 | -0.1% | 0.00% | 0.0% |
| Q4 2021 | $2,954,000 | +5.8% | 74,155 | -1.2% | 0.00% | 0.0% |
| Q3 2021 | $2,792,000 | -12.9% | 75,041 | -1.1% | 0.00% | 0.0% |
| Q2 2021 | $3,206,000 | -6.0% | 75,850 | +5.4% | 0.00% | -20.0% |
| Q1 2021 | $3,409,000 | -30.7% | 71,986 | -10.7% | 0.01% | -28.6% |
| Q4 2020 | $4,918,000 | +34.3% | 80,576 | +2.9% | 0.01% | +16.7% |
| Q3 2020 | $3,661,000 | -27.4% | 78,318 | -21.2% | 0.01% | -25.0% |
| Q2 2020 | $5,042,000 | +26.9% | 99,370 | +11.6% | 0.01% | 0.0% |
| Q1 2020 | $3,973,000 | -6.0% | 89,054 | +1.2% | 0.01% | +14.3% |
| Q4 2019 | $4,225,000 | +54.6% | 87,963 | +8.8% | 0.01% | +40.0% |
| Q3 2019 | $2,733,000 | -23.9% | 80,822 | +1.3% | 0.01% | -28.6% |
| Q2 2019 | $3,589,000 | +40.2% | 79,765 | +17.3% | 0.01% | +40.0% |
| Q1 2019 | $2,560,000 | +23.6% | 68,003 | +12.6% | 0.01% | 0.0% |
| Q4 2018 | $2,072,000 | +7.7% | 60,379 | +47.5% | 0.01% | +25.0% |
| Q3 2018 | $1,924,000 | +30.5% | 40,935 | -6.3% | 0.00% | +33.3% |
| Q2 2018 | $1,474,000 | +42.6% | 43,696 | +14.4% | 0.00% | +50.0% |
| Q1 2018 | $1,034,000 | +58.1% | 38,193 | -2.6% | 0.00% | +100.0% |
| Q4 2017 | $654,000 | -22.3% | 39,196 | -6.9% | 0.00% | -50.0% |
| Q3 2017 | $842,000 | +18.4% | 42,103 | +8.6% | 0.00% | 0.0% |
| Q2 2017 | $711,000 | +70.9% | 38,768 | -8.3% | 0.00% | +100.0% |
| Q1 2017 | $416,000 | -7.3% | 42,293 | +2.9% | 0.00% | 0.0% |
| Q4 2016 | $449,000 | -23.9% | 41,120 | -2.3% | 0.00% | -50.0% |
| Q3 2016 | $590,000 | +70.5% | 42,092 | -14.7% | 0.00% | +100.0% |
| Q2 2016 | $346,000 | +58.0% | 49,335 | +45.2% | 0.00% | 0.0% |
| Q1 2016 | $219,000 | -79.7% | 33,987 | +2.2% | 0.00% | -66.7% |
| Q4 2015 | $1,077,000 | +31.2% | 33,247 | +8.1% | 0.00% | 0.0% |
| Q3 2015 | $821,000 | -44.7% | 30,762 | -0.3% | 0.00% | -40.0% |
| Q2 2015 | $1,485,000 | -5.2% | 30,858 | +19.8% | 0.01% | 0.0% |
| Q1 2015 | $1,567,000 | +42.5% | 25,748 | +21.2% | 0.01% | +66.7% |
| Q4 2014 | $1,100,000 | +29.9% | 21,243 | +10.4% | 0.00% | 0.0% |
| Q3 2014 | $847,000 | +69.4% | 19,243 | +0.7% | 0.00% | +200.0% |
| Q2 2014 | $500,000 | – | 19,113 | – | 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% |