PORTOLA PHARMACEUTICALS INC's ticker is PTLA and the CUSIP is 737010108. A total of 185 filers reported holding PORTOLA PHARMACEUTICALS INC in Q4 2018. The put-call ratio across all filers is 1.17 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $0 | – | 0 | – | 0.00% | – |
| Q1 2021 | $0 | – | 0 | – | 0.00% | – |
| Q4 2020 | $0 | – | 0 | – | 0.00% | – |
| Q3 2020 | $0 | – | 0 | – | 0.00% | – |
| Q2 2020 | $0 | -100.0% | 0 | -100.0% | 0.00% | -100.0% |
| Q1 2020 | $27,000 | -69.7% | 3,786 | +3.7% | 0.00% | -57.1% |
| Q4 2019 | $89,000 | -11.9% | 3,650 | -1.9% | 0.01% | 0.0% |
| Q3 2019 | $101,000 | +4950.0% | 3,722 | +3622.0% | 0.01% | – |
| Q4 2018 | $2,000 | -33.3% | 100 | 0.0% | 0.00% | – |
| Q3 2018 | $3,000 | -40.0% | 100 | -21.3% | 0.00% | – |
| Q2 2018 | $5,000 | -96.8% | 127 | -96.0% | 0.00% | -100.0% |
| Q1 2018 | $156,000 | 0.0% | 3,200 | 0.0% | 0.01% | 0.0% |
| Q4 2017 | $156,000 | -9.8% | 3,200 | 0.0% | 0.01% | 0.0% |
| Q3 2017 | $173,000 | +30.1% | 3,200 | +35.0% | 0.01% | +16.7% |
| Q2 2017 | $133,000 | +54.7% | 2,370 | +7.7% | 0.01% | +50.0% |
| Q1 2017 | $86,000 | -40.3% | 2,200 | -65.7% | 0.00% | -42.9% |
| Q4 2016 | $144,000 | +46.9% | 6,405 | +48.8% | 0.01% | +40.0% |
| Q3 2016 | $98,000 | -3.9% | 4,305 | -0.3% | 0.01% | -16.7% |
| Q2 2016 | $102,000 | -12.1% | 4,318 | +92.2% | 0.01% | -25.0% |
| Q4 2015 | $116,000 | – | 2,247 | – | 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% |