PUMA BIOTECHNOLOGY INC's ticker is PBYI and the CUSIP is 74587V107. A total of 118 filers reported holding PUMA BIOTECHNOLOGY INC in Q1 2021. The put-call ratio across all filers is 0.76 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $0 | -100.0% | 1 | -99.9% | 0.00% | – |
| Q3 2021 | $13,000 | -23.5% | 1,864 | 0.0% | 0.00% | – |
| Q2 2021 | $17,000 | -64.6% | 1,864 | -62.0% | 0.00% | – |
| Q1 2021 | $48,000 | -4.0% | 4,904 | 0.0% | 0.00% | – |
| Q4 2020 | $50,000 | +2.0% | 4,904 | 0.0% | 0.00% | – |
| Q3 2020 | $49,000 | -3.9% | 4,904 | 0.0% | 0.00% | – |
| Q2 2020 | $51,000 | +240.0% | 4,904 | +172.4% | 0.00% | – |
| Q1 2020 | $15,000 | -37.5% | 1,800 | -33.3% | 0.00% | – |
| Q4 2019 | $24,000 | -17.2% | 2,699 | 0.0% | 0.00% | – |
| Q3 2019 | $29,000 | -14.7% | 2,699 | 0.0% | 0.00% | – |
| Q2 2019 | $34,000 | -69.6% | 2,699 | -6.9% | 0.00% | -100.0% |
| Q1 2019 | $112,000 | +89.8% | 2,899 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $59,000 | -55.6% | 2,899 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $133,000 | -22.2% | 2,899 | 0.0% | 0.00% | -50.0% |
| Q2 2018 | $171,000 | -13.2% | 2,899 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $197,000 | -39.6% | 2,899 | -12.1% | 0.00% | -33.3% |
| Q4 2017 | $326,000 | +6.5% | 3,299 | +28.9% | 0.00% | 0.0% |
| Q3 2017 | $306,000 | +229.0% | 2,559 | +141.6% | 0.00% | +200.0% |
| Q2 2017 | $93,000 | +210.0% | 1,059 | +33.0% | 0.00% | – |
| Q1 2017 | $30,000 | +25.0% | 796 | 0.0% | 0.00% | – |
| Q4 2016 | $24,000 | -54.7% | 796 | 0.0% | 0.00% | -100.0% |
| Q3 2016 | $53,000 | +165.0% | 796 | +19.5% | 0.00% | – |
| Q2 2016 | $20,000 | 0.0% | 666 | 0.0% | 0.00% | – |
| Q1 2016 | $20,000 | -61.5% | 666 | 0.0% | 0.00% | -100.0% |
| Q4 2015 | $52,000 | -64.6% | 666 | -66.0% | 0.00% | -50.0% |
| Q3 2015 | $147,000 | -35.5% | 1,957 | 0.0% | 0.00% | -33.3% |
| Q2 2015 | $228,000 | +635.5% | 1,957 | +1405.4% | 0.00% | – |
| Q1 2015 | $31,000 | – | 130 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 2,536,156 | $21,405,000 | 2.24% |
| Palo Alto Investors LP | 1,396,163 | $11,784,000 | 0.99% |
| Camber Capital Management LP | 1,950,000 | $16,458,000 | 0.98% |
| TANG CAPITAL MANAGEMENT LLC | 800,000 | $6,752,000 | 0.95% |
| Capital Impact Advisors, LLC | 147,303 | $1,243,000 | 0.52% |
| Sofinnova Investments, Inc. | 638,026 | $5,385,000 | 0.50% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 963,212 | $8,130,000 | 0.26% |
| RICE HALL JAMES & ASSOCIATES, LLC | 466,482 | $3,937,000 | 0.22% |
| PDT Partners, LLC | 204,238 | $1,724,000 | 0.14% |
| Eversept Partners, LP | 58,251 | $491,638 | 0.12% |