PUMA BIOTECHNOLOGY INC's ticker is PBYI and the CUSIP is 74587V107. A total of 124 filers reported holding PUMA BIOTECHNOLOGY INC in Q4 2020. The put-call ratio across all filers is 0.95 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $8,000 | -93.0% | 32,000 | -50.8% | 0.00% | -100.0% |
| Q4 2019 | $115,000 | -65.2% | 65,000 | -11.7% | 0.01% | -77.8% |
| Q3 2019 | $330,000 | -86.6% | 73,597 | +77.0% | 0.03% | -78.0% |
| Q2 2018 | $2,459,000 | +1507.2% | 41,579 | -32.3% | 0.12% | +1437.5% |
| Q2 2017 | $153,000 | +537.5% | 61,400 | -32.2% | 0.01% | +700.0% |
| Q1 2017 | $24,000 | -29.4% | 90,500 | +575.4% | 0.00% | 0.0% |
| Q3 2016 | $34,000 | -96.0% | 13,400 | -78.0% | 0.00% | -96.8% |
| Q2 2014 | $842,000 | – | 60,959 | – | 0.03% | – |
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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% |