PUMA BIOTECHNOLOGY INC's ticker is PBYI and the CUSIP is 74587V107. A total of 162 filers reported holding PUMA BIOTECHNOLOGY INC in Q1 2019. The put-call ratio across all filers is 0.60 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $270,000 | -60.8% | 6,962 | -53.7% | 0.38% | -41.9% |
| Q3 2018 | $689,000 | +32.8% | 15,035 | +71.4% | 0.64% | +35.5% |
| Q2 2018 | $519,000 | +6.6% | 8,771 | +22.6% | 0.48% | -6.7% |
| Q1 2018 | $487,000 | +8.2% | 7,157 | +57.1% | 0.51% | +10.9% |
| Q4 2017 | $450,000 | -8.0% | 4,555 | +11.6% | 0.46% | -23.2% |
| Q3 2017 | $489,000 | +134.0% | 4,083 | +70.6% | 0.60% | +89.6% |
| Q2 2017 | $209,000 | – | 2,393 | – | 0.32% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 1,417,000 | $18,010,000 | 2.24% |
| Palo Alto Investors LP | 1,405,680 | $17,866,000 | 0.87% |
| PFM Health Sciences, LP | 2,838,376 | $36,076,000 | 0.68% |
| TANG CAPITAL MANAGEMENT LLC | 349,400 | $4,441,000 | 0.60% |
| Capital Impact Advisors, LLC | 127,029 | $1,615,000 | 0.59% |
| Leap Investments LP | 29,100 | $370,000 | 0.50% |
| Spark Investment Management LLC | 454,300 | $5,774,000 | 0.40% |
| Partner Investment Management, L.P. | 27,567 | $350,000 | 0.37% |
| BOGLE INVESTMENT MANAGEMENT L P /DE/ | 262,945 | $3,342,000 | 0.26% |
| Rock Springs Capital Management LP | 534,400 | $6,792,000 | 0.25% |