PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 180 filers reported holding PTC THERAPEUTICS INC in Q3 2023. The put-call ratio across all filers is 0.26 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $16,215,414 | +718.7% | 398,707 | +875.2% | 0.02% | +800.0% |
| Q1 2023 | $1,980,518 | +165.6% | 40,886 | +109.3% | 0.00% | +100.0% |
| Q4 2022 | $745,689 | -25.9% | 19,536 | -2.5% | 0.00% | 0.0% |
| Q3 2022 | $1,006,000 | +213.4% | 20,039 | +149.9% | 0.00% | – |
| Q2 2022 | $321,000 | +12.6% | 8,018 | -0.7% | 0.00% | – |
| Q1 2022 | $285,000 | -13.1% | 8,076 | -1.8% | 0.00% | – |
| Q4 2021 | $328,000 | +2.8% | 8,228 | -4.1% | 0.00% | – |
| Q3 2021 | $319,000 | -16.1% | 8,579 | -4.6% | 0.00% | – |
| Q2 2021 | $380,000 | -14.4% | 8,992 | -4.0% | 0.00% | – |
| Q1 2021 | $444,000 | -22.4% | 9,368 | -0.1% | 0.00% | -100.0% |
| Q4 2020 | $572,000 | +32.1% | 9,374 | +1.3% | 0.00% | 0.0% |
| Q3 2020 | $433,000 | -11.1% | 9,256 | -3.5% | 0.00% | 0.0% |
| Q2 2020 | $487,000 | -41.5% | 9,596 | -48.6% | 0.00% | 0.0% |
| Q1 2020 | $832,000 | +72.3% | 18,662 | +85.7% | 0.00% | 0.0% |
| Q4 2019 | $483,000 | +54.3% | 10,049 | +8.5% | 0.00% | – |
| Q3 2019 | $313,000 | – | 9,259 | – | 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% |