PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 208 filers reported holding PTC THERAPEUTICS INC in Q1 2021. The put-call ratio across all filers is 0.07 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $301,751 | -37.9% | 13,465 | +12.6% | 0.00% | -50.0% |
| Q2 2023 | $486,251 | -10.3% | 11,956 | +6.9% | 0.00% | -33.3% |
| Q1 2023 | $541,947 | +35.5% | 11,188 | +6.8% | 0.00% | +50.0% |
| Q4 2022 | $399,831 | -24.6% | 10,475 | -0.9% | 0.00% | -33.3% |
| Q3 2022 | $530,000 | +40.2% | 10,567 | +11.9% | 0.00% | +50.0% |
| Q2 2022 | $378,000 | -6.0% | 9,441 | -12.5% | 0.00% | 0.0% |
| Q1 2022 | $402,000 | +1.0% | 10,785 | +7.8% | 0.00% | 0.0% |
| Q4 2021 | $398,000 | +62.4% | 10,000 | +51.7% | 0.00% | +100.0% |
| Q3 2021 | $245,000 | -12.2% | 6,593 | 0.0% | 0.00% | -50.0% |
| Q2 2021 | $279,000 | -10.6% | 6,593 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $312,000 | -35.7% | 6,593 | -17.0% | 0.00% | -33.3% |
| Q4 2020 | $485,000 | +41.4% | 7,944 | +8.4% | 0.00% | +50.0% |
| Q3 2020 | $343,000 | -7.8% | 7,330 | 0.0% | 0.00% | -33.3% |
| Q2 2020 | $372,000 | +73.0% | 7,330 | +52.2% | 0.00% | +50.0% |
| Q1 2020 | $215,000 | +24.3% | 4,817 | +34.0% | 0.00% | +100.0% |
| Q4 2019 | $173,000 | +41.8% | 3,596 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $122,000 | -12.9% | 3,596 | +15.2% | 0.00% | 0.0% |
| Q2 2019 | $140,000 | +18.6% | 3,122 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $118,000 | +25.5% | 3,122 | +14.3% | 0.00% | 0.0% |
| Q4 2018 | $94,000 | -2.1% | 2,732 | +34.2% | 0.00% | 0.0% |
| Q3 2018 | $96,000 | +108.7% | 2,036 | +48.6% | 0.00% | – |
| Q2 2018 | $46,000 | +24.3% | 1,370 | 0.0% | 0.00% | – |
| Q1 2018 | $37,000 | +60.9% | 1,370 | 0.0% | 0.00% | – |
| Q4 2017 | $23,000 | -14.8% | 1,370 | 0.0% | 0.00% | – |
| Q3 2017 | $27,000 | +125.0% | 1,370 | +103.3% | 0.00% | – |
| Q2 2017 | $12,000 | +71.4% | 674 | 0.0% | 0.00% | – |
| Q1 2017 | $7,000 | 0.0% | 674 | 0.0% | 0.00% | – |
| Q4 2016 | $7,000 | -22.2% | 674 | 0.0% | 0.00% | – |
| Q3 2016 | $9,000 | +80.0% | 674 | 0.0% | 0.00% | – |
| Q2 2016 | $5,000 | +25.0% | 674 | 0.0% | 0.00% | – |
| Q1 2016 | $4,000 | -81.8% | 674 | 0.0% | 0.00% | – |
| Q4 2015 | $22,000 | +175.0% | 674 | +123.9% | 0.00% | – |
| Q3 2015 | $8,000 | +60.0% | 301 | +216.8% | 0.00% | – |
| Q2 2015 | $5,000 | -16.7% | 95 | 0.0% | 0.00% | – |
| Q1 2015 | $6,000 | – | 95 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Burrage Capital Management LLC | 160,372 | $7,594,000 | 6.15% |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC | 408,000 | $19,319,000 | 5.11% |
| RTW INVESTMENTS, LP | 5,293,966 | $250,669,000 | 3.91% |
| GEORGE KAISER FAMILY FOUNDATION | 72,105 | $9,925,000 | 2.07% |
| SECTORAL ASSET MANAGEMENT INC | 504,928 | $23,908,000 | 1.81% |
| Redwood Investments, LLC | 385,014 | $18,230,000 | 1.60% |
| ARMISTICE CAPITAL, LLC | 1,396,000 | $66,101,000 | 1.52% |
| Integral Health Asset Management, LLC | 100,100 | $4,740,000 | 1.35% |
| Sofinnova Investments, Inc. | 466,840 | $22,105,000 | 1.33% |
| Chubb Ltd | 8,180 | $387,000 | 1.10% |