PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 160 filers reported holding PTC THERAPEUTICS INC in Q1 2015. The put-call ratio across all filers is 1.56 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $10,000 | -33.3% | 200 | -18.7% | 0.00% | -50.0% |
| Q4 2020 | $15,000 | – | 246 | +1130.0% | 0.00% | – |
| Q3 2020 | $0 | -100.0% | 20 | -86.3% | 0.00% | -100.0% |
| Q4 2019 | $7,000 | -94.5% | 146 | -94.7% | 0.00% | -88.9% |
| Q3 2018 | $128,000 | +1322.2% | 2,729 | +871.2% | 0.01% | +800.0% |
| Q2 2018 | $9,000 | -47.1% | 281 | -73.7% | 0.00% | -50.0% |
| Q4 2017 | $17,000 | -88.7% | 1,067 | -85.8% | 0.00% | -85.7% |
| Q3 2017 | $150,000 | +111.3% | 7,502 | +14.7% | 0.01% | +75.0% |
| Q4 2016 | $71,000 | +373.3% | 6,538 | +1234.3% | 0.01% | +166.7% |
| Q4 2015 | $15,000 | -68.8% | 490 | -72.8% | 0.00% | -62.5% |
| Q3 2015 | $48,000 | -50.5% | 1,800 | +12.5% | 0.01% | -66.7% |
| Q1 2015 | $97,000 | -16.4% | 1,600 | -29.1% | 0.02% | -35.1% |
| Q4 2014 | $116,000 | -41.4% | 2,257 | -49.8% | 0.04% | +37.0% |
| Q3 2014 | $198,000 | – | 4,499 | – | 0.03% | – |
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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% |