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 | $59,521 | +129.7% | 2,656 | +317.0% | 0.00% | – |
| Q2 2023 | $25,907 | +31884.0% | 637 | -61.9% | 0.00% | -100.0% |
| Q1 2023 | $81 | +3.8% | 1,670 | -18.6% | 0.00% | 0.0% |
| Q4 2022 | $78 | -99.9% | 2,051 | -18.4% | 0.00% | 0.0% |
| Q3 2022 | $99,000 | +23.8% | 2,514 | +26.0% | 0.00% | 0.0% |
| Q2 2022 | $80,000 | +14.3% | 1,996 | +6.5% | 0.00% | – |
| Q1 2022 | $70,000 | -62.0% | 1,875 | -58.9% | 0.00% | -100.0% |
| Q4 2021 | $184,000 | +46.0% | 4,565 | +34.9% | 0.00% | 0.0% |
| Q3 2021 | $126,000 | -11.9% | 3,385 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $143,000 | +19.2% | 3,385 | +33.5% | 0.00% | 0.0% |
| Q1 2021 | $120,000 | -22.6% | 2,535 | 0.0% | 0.00% | 0.0% |
| Q4 2020 | $155,000 | +55.0% | 2,535 | +18.7% | 0.00% | 0.0% |
| Q3 2020 | $100,000 | +300.0% | 2,135 | +340.2% | 0.00% | – |
| Q2 2020 | $25,000 | +19.0% | 485 | +5.4% | 0.00% | – |
| Q1 2020 | $21,000 | +50.0% | 460 | +53.3% | 0.00% | – |
| Q4 2019 | $14,000 | +40.0% | 300 | 0.0% | 0.00% | – |
| Q3 2019 | $10,000 | -28.6% | 300 | 0.0% | 0.00% | – |
| Q2 2019 | $14,000 | +27.3% | 300 | 0.0% | 0.00% | – |
| Q1 2019 | $11,000 | +10.0% | 300 | 0.0% | 0.00% | – |
| Q4 2018 | $10,000 | -28.6% | 300 | 0.0% | 0.00% | – |
| Q3 2018 | $14,000 | +40.0% | 300 | 0.0% | 0.00% | – |
| Q2 2018 | $10,000 | -95.0% | 300 | -96.2% | 0.00% | -100.0% |
| Q1 2018 | $201,000 | +20.4% | 7,800 | -22.0% | 0.00% | 0.0% |
| Q4 2017 | $167,000 | -16.5% | 10,000 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $200,000 | +60.0% | 10,000 | 0.0% | 0.00% | +100.0% |
| Q2 2017 | $125,000 | +3025.0% | 10,000 | +1566.7% | 0.00% | – |
| Q1 2016 | $4,000 | – | 600 | – | 0.00% | – |
Download | ||||||
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% |