PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 181 filers reported holding PTC THERAPEUTICS INC in Q3 2021. The put-call ratio across all filers is 0.85 and the average weighting 0.7%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $698,795 | +220.5% | 14,426 | +152.5% | 0.00% | +100.0% |
| Q4 2022 | $218,065 | -90.8% | 5,713 | -91.1% | 0.00% | -88.9% |
| Q3 2021 | $2,376,000 | +104.5% | 63,841 | +132.1% | 0.01% | +80.0% |
| Q2 2021 | $1,162,000 | +158.2% | 27,500 | +189.5% | 0.01% | +150.0% |
| Q1 2021 | $450,000 | -56.4% | 9,500 | -43.8% | 0.00% | -50.0% |
| Q4 2020 | $1,031,000 | +26.2% | 16,900 | +5.0% | 0.00% | -20.0% |
| Q2 2020 | $817,000 | -26.9% | 16,100 | -35.7% | 0.01% | -37.5% |
| Q1 2020 | $1,118,000 | +4.0% | 25,053 | +11.9% | 0.01% | +14.3% |
| Q4 2019 | $1,075,000 | +257.1% | 22,386 | +151.5% | 0.01% | +133.3% |
| Q3 2019 | $301,000 | -56.8% | 8,900 | -42.5% | 0.00% | -57.1% |
| Q2 2019 | $696,000 | +242.9% | 15,477 | +186.6% | 0.01% | +600.0% |
| Q1 2019 | $203,000 | -52.7% | 5,400 | -56.8% | 0.00% | -66.7% |
| Q4 2018 | $429,000 | +21350.0% | 12,500 | +12400.0% | 0.00% | – |
| Q2 2017 | $2,000 | -85.7% | 100 | -92.9% | 0.00% | – |
| Q1 2017 | $14,000 | -96.8% | 1,400 | -80.6% | 0.00% | -100.0% |
| Q1 2015 | $438,000 | – | 7,201 | – | 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% |