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
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $0 | – | 87 | 0.0% | 0.00% | – |
| Q2 2022 | $0 | – | 87 | 0.0% | 0.00% | – |
| Q1 2022 | $0 | – | 87 | 0.0% | 0.00% | – |
| Q4 2021 | $0 | -100.0% | 87 | 0.0% | 0.00% | – |
| Q3 2021 | $1,000 | 0.0% | 87 | 0.0% | 0.00% | – |
| Q2 2021 | $1,000 | 0.0% | 87 | 0.0% | 0.00% | – |
| Q1 2021 | $1,000 | 0.0% | 87 | 0.0% | 0.00% | – |
| Q4 2020 | $1,000 | -50.0% | 87 | -64.2% | 0.00% | – |
| Q3 2020 | $2,000 | 0.0% | 243 | 0.0% | 0.00% | – |
| Q2 2020 | $2,000 | 0.0% | 243 | 0.0% | 0.00% | – |
| Q1 2020 | $2,000 | 0.0% | 243 | 0.0% | 0.00% | – |
| Q4 2019 | $2,000 | -33.3% | 243 | 0.0% | 0.00% | – |
| Q3 2019 | $3,000 | 0.0% | 243 | 0.0% | 0.00% | – |
| Q2 2019 | $3,000 | -66.7% | 243 | 0.0% | 0.00% | – |
| Q1 2019 | $9,000 | +125.0% | 243 | +17.4% | 0.00% | – |
| Q4 2018 | $4,000 | -55.6% | 207 | 0.0% | 0.00% | – |
| Q3 2018 | $9,000 | -25.0% | 207 | 0.0% | 0.00% | – |
| Q2 2018 | $12,000 | -99.2% | 207 | -99.0% | 0.00% | -100.0% |
| Q1 2018 | $1,476,000 | -24.4% | 21,694 | +9.9% | 0.01% | -14.3% |
| Q4 2017 | $1,952,000 | – | 19,744 | – | 0.01% | – |
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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% |