PUMA BIOTECHNOLOGY INC's ticker is PBYI and the CUSIP is 74587V107. A total of 142 filers reported holding PUMA BIOTECHNOLOGY INC in Q4 2018. The put-call ratio across all filers is 1.87 and the average weighting 0.2%.
Quarter-by-quarter ownership
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% |