PUMA BIOTECHNOLOGY INC's ticker is PBYI and the CUSIP is 74587V107. A total of 121 filers reported holding PUMA BIOTECHNOLOGY INC in Q1 2016. The put-call ratio across all filers is 0.64 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $1,730,000 | +96.4% | 17,500 | -41.7% | 1.13% | +248.9% |
| Q1 2016 | $881,000 | -55.1% | 30,000 | +20.0% | 0.32% | -49.9% |
| Q4 2015 | $1,960,000 | -66.8% | 25,000 | 0.0% | 0.64% | -74.0% |
| Q1 2015 | $5,903,000 | +211.8% | 25,000 | +150.0% | 2.48% | +171.4% |
| Q4 2014 | $1,893,000 | -20.7% | 10,000 | 0.0% | 0.92% | -28.2% |
| Q3 2014 | $2,386,000 | +31.5% | 10,000 | -63.6% | 1.27% | +50.4% |
| Q2 2014 | $1,815,000 | -50.2% | 27,500 | -21.4% | 0.85% | -49.7% |
| Q1 2014 | $3,645,000 | +40.8% | 35,000 | +40.0% | 1.68% | +14.2% |
| Q4 2013 | $2,588,000 | – | 25,000 | – | 1.48% | – |
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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% |