PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 202 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 | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $7,076,580 | -17.9% | 174,000 | -2.2% | 0.88% | -49.6% |
| Q1 2023 | $8,622,320 | +125.9% | 178,000 | +78.0% | 1.74% | +116.9% |
| Q4 2022 | $3,817,000 | -53.4% | 100,000 | -38.7% | 0.80% | -49.6% |
| Q3 2022 | $8,183,000 | +95.2% | 163,000 | +55.7% | 1.59% | +84.5% |
| Q2 2022 | $4,193,000 | +167.6% | 104,656 | +149.2% | 0.86% | +111.3% |
| Q1 2022 | $1,567,000 | -12.6% | 42,000 | -6.7% | 0.41% | -17.7% |
| Q4 2021 | $1,792,000 | -50.4% | 45,000 | -53.7% | 0.50% | -52.3% |
| Q3 2021 | $3,613,000 | -22.4% | 97,100 | -11.8% | 1.04% | -18.9% |
| Q2 2021 | $4,654,000 | -1.8% | 110,100 | +10.0% | 1.28% | -5.4% |
| Q1 2021 | $4,740,000 | +158.0% | 100,100 | +232.6% | 1.35% | +148.0% |
| Q4 2020 | $1,837,000 | +30.6% | 30,100 | 0.0% | 0.55% | +27.0% |
| Q3 2020 | $1,407,000 | -7.6% | 30,100 | +0.3% | 0.43% | -5.7% |
| Q2 2020 | $1,522,000 | – | 30,000 | – | 0.46% | – |
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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% |