PORTOLA PHARMACEUTICALS INC's ticker is PTLA and the CUSIP is 737010108. A total of 217 filers reported holding PORTOLA PHARMACEUTICALS INC in Q4 2017. The put-call ratio across all filers is 2.74 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $8,000 | -27.3% | 400 | 0.0% | 0.01% | -16.7% |
| Q3 2018 | $11,000 | -26.7% | 400 | 0.0% | 0.01% | -33.3% |
| Q2 2018 | $15,000 | +15.4% | 400 | 0.0% | 0.01% | +12.5% |
| Q1 2018 | $13,000 | -31.6% | 400 | 0.0% | 0.01% | -33.3% |
| Q4 2017 | $19,000 | -13.6% | 400 | 0.0% | 0.01% | -20.0% |
| Q3 2017 | $22,000 | -12.0% | 400 | -11.1% | 0.02% | -16.7% |
| Q2 2017 | $25,000 | +38.9% | 450 | 0.0% | 0.02% | +28.6% |
| Q1 2017 | $18,000 | +80.0% | 450 | 0.0% | 0.01% | +55.6% |
| Q4 2016 | $10,000 | – | 450 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Fernwood Investment Management, LLC | 228,873 | $7,475,000 | 4.17% |
| PFM Health Sciences, LP | 5,326,671 | $173,969,000 | 3.54% |
| Marcus Capital, LLC | 22,950 | $750,000 | 2.76% |
| Partner Investment Management, L.P. | 72,284 | $2,361,000 | 2.55% |
| CADIAN CAPITAL MANAGEMENT, LP | 1,240,944 | $40,529,000 | 2.19% |
| HARVEY CAPITAL MANAGEMENT INC | 158,580 | $5,179,000 | 1.94% |
| SECTORAL ASSET MANAGEMENT INC | 498,412 | $16,278,000 | 1.78% |
| Everett Capital Advisors UK LLP | 551,173 | $18,001,000 | 1.52% |
| ROSENBLUM SILVERMAN SUTTON S F INC /CA | 125,210 | $4,089,000 | 1.46% |
| Atika Capital Management LLC | 113,000 | $3,691,000 | 1.26% |