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 | $1,546 | -15.5% | 69 | +53.3% | 0.00% | – |
| Q2 2023 | $1,830 | -46.0% | 45 | -35.7% | 0.00% | – |
| Q1 2023 | $3,391 | +97.4% | 70 | +55.6% | 0.00% | – |
| Q4 2022 | $1,718 | -57.0% | 45 | -48.3% | 0.00% | – |
| Q3 2022 | $4,000 | +100.0% | 87 | +93.3% | 0.00% | – |
| Q2 2022 | $2,000 | -60.0% | 45 | -67.9% | 0.00% | – |
| Q1 2022 | $5,000 | +66.7% | 140 | +70.7% | 0.00% | – |
| Q4 2021 | $3,000 | +200.0% | 82 | +256.5% | 0.00% | – |
| Q3 2021 | $1,000 | -90.0% | 23 | -88.9% | 0.00% | – |
| Q1 2021 | $10,000 | -16.7% | 207 | +6.7% | 0.00% | -100.0% |
| Q4 2020 | $12,000 | +33.3% | 194 | +4.9% | 0.00% | – |
| Q3 2020 | $9,000 | – | 185 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Burrage Capital Management LLC | 161,083 | $9,831,000 | 7.49% |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC | 333,000 | $20,323,000 | 5.55% |
| RTW INVESTMENTS, LP | 4,221,836 | $257,659,000 | 4.32% |
| GEORGE KAISER FAMILY FOUNDATION | 90,011 | $10,766,000 | 2.85% |
| SECTORAL ASSET MANAGEMENT INC | 603,978 | $36,861,000 | 2.60% |
| Redwood Investments, LLC | 364,837 | $22,266,000 | 1.90% |
| ARMISTICE CAPITAL, LLC | 716,000 | $43,697,000 | 1.49% |
| CM Management, LLC | 25,000 | $1,526,000 | 1.42% |
| Third Security, LLC | 237,015 | $14,465,000 | 1.32% |
| Sofinnova Investments, Inc. | 316,478 | $19,315,000 | 1.15% |