PORTOLA PHARMACEUTICALS INC's ticker is PTLA and the CUSIP is 737010108. A total of 191 filers reported holding PORTOLA PHARMACEUTICALS INC in Q4 2015. The put-call ratio across all filers is 1.40 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $176,000 | +2833.3% | 9,761 | +1051.1% | 0.00% | – |
| Q1 2020 | $6,000 | -98.0% | 848 | -93.3% | 0.00% | – |
| Q4 2019 | $301,000 | +17.1% | 12,642 | +31.8% | 0.00% | – |
| Q3 2019 | $257,000 | +10.3% | 9,591 | +11.4% | 0.00% | – |
| Q2 2019 | $233,000 | +102.6% | 8,608 | +159.0% | 0.00% | – |
| Q1 2019 | $115,000 | +167.4% | 3,323 | +50.7% | 0.00% | – |
| Q4 2018 | $43,000 | -25.9% | 2,205 | +1.1% | 0.00% | – |
| Q3 2018 | $58,000 | -4.9% | 2,181 | +32.7% | 0.00% | – |
| Q2 2018 | $61,000 | +190.5% | 1,644 | +149.8% | 0.00% | – |
| Q1 2018 | $21,000 | -36.4% | 658 | -3.8% | 0.00% | – |
| Q4 2017 | $33,000 | +13.8% | 684 | +27.9% | 0.00% | – |
| Q3 2017 | $29,000 | -3.3% | 535 | 0.0% | 0.00% | – |
| Q2 2017 | $30,000 | +42.9% | 535 | 0.0% | 0.00% | – |
| Q1 2017 | $21,000 | +110.0% | 535 | 0.0% | 0.00% | – |
| Q4 2016 | $10,000 | -16.7% | 535 | 0.0% | 0.00% | – |
| Q3 2016 | $12,000 | -7.7% | 535 | 0.0% | 0.00% | – |
| Q2 2016 | $13,000 | -87.9% | 535 | -89.8% | 0.00% | – |
| Q1 2016 | $107,000 | +105.8% | 5,238 | +418.6% | 0.00% | – |
| Q4 2015 | $52,000 | +160.0% | 1,010 | +111.7% | 0.00% | – |
| Q3 2015 | $20,000 | +150.0% | 477 | +76.7% | 0.00% | – |
| Q2 2014 | $8,000 | +700.0% | 270 | +1127.3% | 0.00% | – |
| Q3 2013 | $1,000 | – | 22 | – | 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% |