PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 201 filers reported holding PTC THERAPEUTICS INC in Q3 2020. The put-call ratio across all filers is 0.68 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $8,037,000 | +114.9% | 215,985 | +193.0% | 4.83% | +68.7% |
| Q2 2020 | $3,740,000 | -16.6% | 73,708 | -26.6% | 2.86% | -41.6% |
| Q1 2020 | $4,482,000 | +68.4% | 100,470 | +81.3% | 4.90% | +2.8% |
| Q4 2019 | $2,661,000 | -34.7% | 55,408 | -54.0% | 4.77% | -45.4% |
| Q3 2019 | $4,074,000 | -67.7% | 120,449 | -57.1% | 8.73% | +27.8% |
| Q2 2019 | $12,624,000 | +119.5% | 280,542 | +83.6% | 6.84% | -28.9% |
| Q1 2019 | $5,752,000 | +51.3% | 152,828 | +37.9% | 9.61% | -8.5% |
| Q4 2018 | $3,802,000 | -53.2% | 110,794 | -36.0% | 10.50% | +39.8% |
| Q3 2018 | $8,131,000 | +17.6% | 173,010 | -15.6% | 7.51% | +10.5% |
| Q2 2018 | $6,916,000 | -20.0% | 205,031 | -35.8% | 6.80% | -37.1% |
| Q1 2018 | $8,644,000 | -6.0% | 319,444 | -42.1% | 10.81% | -13.4% |
| Q4 2017 | $9,200,000 | +29.3% | 551,558 | +55.2% | 12.49% | +51.4% |
| Q3 2017 | $7,113,000 | -26.5% | 355,456 | -32.7% | 8.25% | -28.1% |
| Q2 2017 | $9,681,000 | +58.6% | 528,115 | -14.9% | 11.48% | +34.9% |
| Q1 2017 | $6,104,000 | +15.5% | 620,334 | +28.0% | 8.51% | -13.4% |
| Q4 2016 | $5,287,000 | -33.5% | 484,579 | -14.6% | 9.83% | -28.9% |
| Q3 2016 | $7,953,000 | +269.4% | 567,683 | +85.1% | 13.83% | +250.6% |
| Q2 2016 | $2,153,000 | -72.0% | 306,650 | +29.3% | 3.94% | -66.0% |
| Q4 2015 | $7,682,000 | – | 237,100 | – | 11.62% | – |
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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% |