PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 204 filers reported holding PTC THERAPEUTICS INC in Q1 2023. The put-call ratio across all filers is 0.81 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2024 | $474,342 | +4577.0% | 16,306 | +4331.0% | 0.00% | – |
| Q4 2023 | $10,142 | -85.2% | 368 | -88.0% | 0.00% | – |
| Q3 2023 | $68,507 | -60.7% | 3,057 | -28.7% | 0.00% | -100.0% |
| Q2 2023 | $174,474 | +67.2% | 4,290 | +99.2% | 0.00% | – |
| Q1 2023 | $104,340 | +855.8% | 2,154 | +653.1% | 0.00% | – |
| Q4 2022 | $10,917 | +21.3% | 286 | +65.3% | 0.00% | – |
| Q3 2022 | $9,000 | -95.2% | 173 | -96.5% | 0.00% | – |
| Q1 2022 | $187,000 | -74.0% | 5,000 | -67.5% | 0.00% | -100.0% |
| Q3 2020 | $719,000 | -34.3% | 15,390 | -28.7% | 0.00% | -60.0% |
| Q2 2020 | $1,095,000 | +8.2% | 21,574 | -4.9% | 0.01% | -37.5% |
| Q1 2020 | $1,012,000 | +19.3% | 22,681 | -8.2% | 0.01% | +14.3% |
| Q4 2018 | $848,000 | +98.1% | 24,694 | +171.3% | 0.01% | +133.3% |
| Q3 2018 | $428,000 | -64.8% | 9,102 | -74.7% | 0.00% | -70.0% |
| Q2 2018 | $1,215,000 | +3.8% | 36,023 | -16.7% | 0.01% | -16.7% |
| Q1 2018 | $1,170,000 | -87.7% | 43,224 | -92.4% | 0.01% | -82.1% |
| Q4 2017 | $9,497,000 | +423.0% | 569,373 | +527.5% | 0.07% | +318.8% |
| Q3 2017 | $1,816,000 | +623.5% | 90,738 | +561.6% | 0.02% | +433.3% |
| Q2 2017 | $251,000 | -88.7% | 13,715 | -93.9% | 0.00% | -88.5% |
| Q1 2017 | $2,220,000 | +161.8% | 225,621 | +190.2% | 0.03% | +225.0% |
| Q4 2016 | $848,000 | +153.9% | 77,756 | +63.5% | 0.01% | +100.0% |
| Q2 2016 | $334,000 | +90.9% | 47,562 | +75.3% | 0.00% | +100.0% |
| Q1 2016 | $175,000 | -93.1% | 27,139 | -65.1% | 0.00% | -93.3% |
| Q4 2015 | $2,519,000 | +3048.8% | 77,760 | +2507.6% | 0.03% | +2900.0% |
| Q3 2015 | $80,000 | -93.0% | 2,982 | -87.4% | 0.00% | -93.8% |
| Q2 2015 | $1,136,000 | +3.2% | 23,606 | +30.5% | 0.02% | -5.9% |
| Q1 2015 | $1,101,000 | +188.2% | 18,087 | +145.2% | 0.02% | +183.3% |
| Q4 2014 | $382,000 | – | 7,375 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Bain Capital Public Equity Management, LLC | 1,651,335 | $100,484,000 | 2.50% |
| BB BIOTECH AG | 1,177,912 | $71,676,000 | 2.14% |
| PURA VIDA INVESTMENTS, LLC | 60,000 | $3,651,000 | 1.88% |
| SECTORAL ASSET MANAGEMENT INC | 753,141 | $45,829,000 | 1.74% |
| DAVIDE LEONE & PARTNERS INVESTMENT Co LLP | 345,847 | $21,045,000 | 1.72% |
| Ghost Tree Capital, LLC | 120,000 | $7,302,000 | 1.31% |
| Timpani Capital Management LLC | 53,058 | $3,229,000 | 0.96% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 2,344,341 | $142,653,000 | 0.82% |
| TIG Advisors, LLC | 276,721 | $16,838,000 | 0.66% |
| Iguana Healthcare Management, LLC | 25,000 | $1,521,000 | 0.64% |