PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 184 filers reported holding PTC THERAPEUTICS INC in Q1 2022. The put-call ratio across all filers is 0.61 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,395,405 | +758.5% | 106,890 | +1457.9% | 0.00% | – |
| Q2 2023 | $279,037 | +19104.2% | 6,861 | -77.1% | 0.00% | -100.0% |
| Q1 2023 | $1,453 | -87.3% | 30,000 | -90.0% | 0.00% | -83.3% |
| Q4 2022 | $11,418 | -99.9% | 299,133 | -32.2% | 0.01% | -53.8% |
| Q3 2022 | $22,156,000 | +5425.2% | 441,353 | +4313.5% | 0.01% | – |
| Q2 2022 | $401,000 | -61.1% | 10,000 | -61.3% | 0.00% | -100.0% |
| Q4 2021 | $1,030,000 | +122.5% | 25,854 | +107.9% | 0.00% | – |
| Q3 2021 | $463,000 | +92.1% | 12,436 | +118.1% | 0.00% | – |
| Q2 2021 | $241,000 | -96.6% | 5,701 | -96.2% | 0.00% | -100.0% |
| Q1 2021 | $7,139,000 | +657.1% | 150,778 | +876.1% | 0.01% | +400.0% |
| Q4 2020 | $943,000 | -46.7% | 15,447 | -61.1% | 0.00% | -75.0% |
| Q1 2020 | $1,770,000 | -53.8% | 39,682 | -50.3% | 0.00% | -20.0% |
| Q4 2019 | $3,835,000 | -43.0% | 79,841 | -59.9% | 0.01% | -54.5% |
| Q3 2019 | $6,726,000 | -87.9% | 198,879 | -83.9% | 0.01% | -86.7% |
| Q2 2019 | $55,500,000 | +174.1% | 1,233,328 | +129.2% | 0.08% | +176.7% |
| Q1 2019 | $20,250,000 | +261.3% | 538,001 | +229.4% | 0.03% | +233.3% |
| Q4 2018 | $5,605,000 | -65.7% | 163,311 | -53.0% | 0.01% | -55.0% |
| Q3 2018 | $16,344,000 | +14.3% | 347,745 | -18.0% | 0.02% | +5.3% |
| Q2 2018 | $14,298,000 | -22.0% | 423,906 | -37.4% | 0.02% | -20.8% |
| Q1 2018 | $18,333,000 | +98.0% | 677,501 | +22.0% | 0.02% | +84.6% |
| Q4 2017 | $9,261,000 | +77.6% | 555,205 | +113.0% | 0.01% | +62.5% |
| Q3 2017 | $5,215,000 | -29.2% | 260,633 | -65.2% | 0.01% | -38.5% |
| Q1 2017 | $7,361,000 | -56.1% | 748,105 | -51.3% | 0.01% | -62.9% |
| Q4 2016 | $16,753,000 | +389.0% | 1,535,567 | +527.9% | 0.04% | +483.3% |
| Q3 2016 | $3,426,000 | +838.6% | 244,537 | +370.2% | 0.01% | +500.0% |
| Q2 2016 | $365,000 | -89.8% | 52,002 | -90.6% | 0.00% | -88.9% |
| Q1 2016 | $3,568,000 | +120.2% | 553,961 | +1007.9% | 0.01% | +200.0% |
| Q4 2015 | $1,620,000 | -88.3% | 50,000 | -90.4% | 0.00% | -88.9% |
| Q3 2015 | $13,868,000 | -32.4% | 519,419 | +21.8% | 0.03% | -30.8% |
| Q2 2015 | $20,525,000 | +574.5% | 426,441 | +752.9% | 0.04% | +550.0% |
| Q1 2015 | $3,043,000 | +89.5% | 50,000 | +61.1% | 0.01% | +100.0% |
| Q4 2014 | $1,606,000 | -89.6% | 31,030 | -91.2% | 0.00% | -92.3% |
| Q3 2014 | $15,480,000 | +32.5% | 351,734 | -21.3% | 0.04% | +21.9% |
| Q2 2014 | $11,681,000 | – | 446,881 | – | 0.03% | – |
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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% |