PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 201 filers reported holding PTC THERAPEUTICS INC in Q3 2020. The put-call ratio across all filers is 0.68 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $65,000 | +225.0% | 1,739 | +273.2% | 0.00% | +200.0% |
| Q2 2021 | $20,000 | -89.2% | 466 | -87.3% | 0.00% | -91.7% |
| Q2 2020 | $185,000 | +107.9% | 3,655 | +80.2% | 0.01% | +71.4% |
| Q1 2020 | $89,000 | -67.6% | 2,028 | -64.6% | 0.01% | -58.8% |
| Q4 2019 | $275,000 | +358.3% | 5,729 | +229.6% | 0.02% | +325.0% |
| Q3 2019 | $60,000 | +1900.0% | 1,738 | +2347.9% | 0.00% | – |
| Q2 2019 | $3,000 | -91.9% | 71 | -93.4% | 0.00% | -100.0% |
| Q4 2018 | $37,000 | -21.3% | 1,068 | +9.1% | 0.00% | -25.0% |
| Q3 2018 | $47,000 | -100.0% | 979 | -75.8% | 0.00% | -66.7% |
| Q2 2018 | $136,673,000 | +1708312.5% | 4,052 | +842.3% | 0.01% | +1100.0% |
| Q4 2017 | $8,000 | 0.0% | 430 | +12.3% | 0.00% | 0.0% |
| Q3 2017 | $8,000 | +700.0% | 383 | +681.6% | 0.00% | – |
| Q2 2017 | $1,000 | -50.0% | 49 | -69.0% | 0.00% | – |
| Q1 2017 | $2,000 | -91.7% | 158 | -92.6% | 0.00% | -100.0% |
| Q4 2016 | $24,000 | -62.5% | 2,141 | -53.3% | 0.00% | -60.0% |
| Q3 2016 | $64,000 | -25.6% | 4,585 | -62.4% | 0.01% | -37.5% |
| Q2 2016 | $86,000 | +290.9% | 12,183 | +1696.9% | 0.01% | +300.0% |
| Q4 2015 | $22,000 | – | 678 | – | 0.00% | – |
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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% |