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 | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $1,007,000 | +30.6% | 16,500 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $771,000 | -54.8% | 16,500 | -50.9% | 0.00% | 0.0% |
| Q2 2020 | $1,704,000 | +48.7% | 33,600 | -51.1% | 0.00% | -40.0% |
| Q4 2017 | $1,146,000 | -57.1% | 68,700 | -48.5% | 0.01% | -54.5% |
| Q3 2017 | $2,669,000 | -9.9% | 133,400 | -17.5% | 0.01% | -15.4% |
| Q2 2017 | $2,962,000 | +2775.7% | 161,600 | +1439.0% | 0.01% | – |
| Q1 2017 | $103,000 | -94.5% | 10,500 | -84.9% | 0.00% | -100.0% |
| Q3 2015 | $1,858,000 | -45.7% | 69,581 | -2.1% | 0.01% | -42.9% |
| Q2 2015 | $3,420,000 | -20.9% | 71,053 | 0.0% | 0.01% | -22.2% |
| Q1 2015 | $4,324,000 | +26.5% | 71,053 | +7.6% | 0.02% | +28.6% |
| Q4 2014 | $3,419,000 | +25.7% | 66,036 | +6.8% | 0.01% | +16.7% |
| Q3 2014 | $2,720,000 | +68.3% | 61,810 | 0.0% | 0.01% | +71.4% |
| Q2 2014 | $1,616,000 | – | 61,810 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RTW INVESTMENTS, LP | 7,235,196 | $294,255,421 | 5.60% |
| Camber Capital Management LP | 2,500,000 | $101,675 | 3.31% |
| COWEN AND COMPANY, LLC | 799,511 | $32,516,112 | 2.70% |
| ARMISTICE CAPITAL, LLC | 3,236,000 | $131,608,120 | 1.90% |
| SECTORAL ASSET MANAGEMENT INC | 231,696 | $9,423,076 | 1.57% |
| GEORGE KAISER FAMILY FOUNDATION | 53,572 | $7,623,296 | 1.29% |
| Redwood Investments, LLC | 245,578 | $9,987,657 | 1.22% |
| Integral Health Asset Management, LLC | 174,000 | $7,076,580 | 0.88% |
| Sofinnova Investments, Inc. | 260,443 | $10,592,217 | 0.69% |
| SPHERA FUNDS MANAGEMENT LTD. | 100,100 | $4,071,067 | 0.64% |