PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 185 filers reported holding PTC THERAPEUTICS INC in Q2 2021. The put-call ratio across all filers is 0.52 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $3,000 | 0.0% | 70 | 0.0% | 0.00% | – |
| Q1 2021 | $3,000 | -97.7% | 70 | -96.8% | 0.00% | -100.0% |
| Q4 2020 | $132,000 | +30.7% | 2,170 | 0.0% | 0.01% | +60.0% |
| Q3 2020 | $101,000 | -8.2% | 2,170 | 0.0% | 0.01% | -16.7% |
| Q2 2020 | $110,000 | +12.2% | 2,170 | -1.4% | 0.01% | +20.0% |
| Q1 2020 | $98,000 | -7.5% | 2,200 | 0.0% | 0.01% | +25.0% |
| Q4 2019 | $106,000 | +43.2% | 2,200 | 0.0% | 0.00% | +33.3% |
| Q3 2019 | $74,000 | +12.1% | 2,200 | +50.7% | 0.00% | +50.0% |
| Q2 2019 | $66,000 | +20.0% | 1,460 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $55,000 | -70.1% | 1,460 | -72.8% | 0.00% | -66.7% |
| Q4 2018 | $184,000 | – | 5,360 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Ayer Capital Management, LP | 416,666 | $7,153,000 | 38.92% |
| Novo Holdings A/S | 747,359 | $11,210,000 | 2.78% |
| Bain Capital Public Equity Management, LLC | 2,333,333 | $50,073,000 | 1.26% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 845,027 | $18,134,000 | 0.84% |
| HealthCor Management, L.P. | 732,200 | $15,713,000 | 0.84% |
| RA Capital Management | 300,000 | $6,438,000 | 0.67% |
| Catalyst Capital Advisors LLC | 30,666 | $658,000 | 0.36% |
| CR Intrinsic Investors, LLC | 119,237 | $2,559,000 | 0.08% |
| Weiss Multi-Strategy Advisers LLC | 284,130 | $6,098,000 | 0.07% |
| SECTORAL ASSET MANAGEMENT INC | 57,519 | $1,234,000 | 0.06% |