PORTOLA PHARMACEUTICALS INC's ticker is PTLA and the CUSIP is 737010108. A total of 223 filers reported holding PORTOLA PHARMACEUTICALS INC in Q4 2019. The put-call ratio across all filers is 1.34 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2020 | $2,000 | -71.4% | 284 | 0.0% | 0.00% | – |
| Q4 2019 | $7,000 | -12.5% | 284 | 0.0% | 0.00% | – |
| Q3 2019 | $8,000 | -27.3% | 284 | -27.2% | 0.00% | – |
| Q2 2019 | $11,000 | +10.0% | 390 | +37.3% | 0.00% | – |
| Q1 2019 | $10,000 | +66.7% | 284 | 0.0% | 0.00% | – |
| Q4 2018 | $6,000 | -25.0% | 284 | 0.0% | 0.00% | – |
| Q3 2018 | $8,000 | -27.3% | 284 | 0.0% | 0.00% | – |
| Q2 2018 | $11,000 | +22.2% | 284 | 0.0% | 0.00% | – |
| Q1 2018 | $9,000 | -35.7% | 284 | 0.0% | 0.00% | – |
| Q4 2017 | $14,000 | -6.7% | 284 | 0.0% | 0.00% | – |
| Q3 2017 | $15,000 | -6.2% | 284 | 0.0% | 0.00% | – |
| Q2 2017 | $16,000 | -27.3% | 284 | -49.9% | 0.00% | – |
| Q1 2017 | $22,000 | +57.1% | 567 | -12.0% | 0.00% | – |
| Q4 2016 | $14,000 | +600.0% | 644 | +736.4% | 0.00% | – |
| Q3 2016 | $2,000 | 0.0% | 77 | 0.0% | 0.00% | – |
| Q2 2016 | $2,000 | – | 77 | – | 0.00% | – |
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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% |