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 2021 | $22,000 | -12.0% | 588 | 0.0% | 0.00% | – |
| Q2 2021 | $25,000 | -100.0% | 588 | -50.0% | 0.00% | – |
| Q1 2021 | $55,684,000 | +154577.8% | 1,176 | +100.0% | 0.00% | -100.0% |
| Q4 2020 | $36,000 | +33.3% | 588 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $27,000 | -10.0% | 588 | 0.0% | 0.00% | 0.0% |
| Q2 2020 | $30,000 | +130.8% | 588 | +100.0% | 0.00% | – |
| Q1 2020 | $13,000 | – | 294 | – | 0.00% | – |
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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% |