PORTOLA PHARMACEUTICALS INC's ticker is PTLA and the CUSIP is 737010108. A total of 183 filers reported holding PORTOLA PHARMACEUTICALS INC in Q1 2017. The put-call ratio across all filers is 0.81 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $45,000 | 0.0% | 2,000 | 0.0% | 0.01% | 0.0% |
| Q3 2016 | $45,000 | -4.3% | 2,000 | 0.0% | 0.01% | -10.0% |
| Q2 2016 | $47,000 | +14.6% | 2,000 | 0.0% | 0.01% | +11.1% |
| Q1 2016 | $41,000 | -60.2% | 2,000 | 0.0% | 0.01% | -64.0% |
| Q4 2015 | $103,000 | +21.2% | 2,000 | 0.0% | 0.02% | +8.7% |
| Q3 2015 | $85,000 | -6.6% | 2,000 | 0.0% | 0.02% | 0.0% |
| Q2 2015 | $91,000 | +19.7% | 2,000 | 0.0% | 0.02% | +21.1% |
| Q1 2015 | $76,000 | +33.3% | 2,000 | 0.0% | 0.02% | +26.7% |
| Q4 2014 | $57,000 | +11.8% | 2,000 | 0.0% | 0.02% | -6.2% |
| Q3 2014 | $51,000 | -12.1% | 2,000 | 0.0% | 0.02% | -11.1% |
| Q2 2014 | $58,000 | +11.5% | 2,000 | 0.0% | 0.02% | +5.9% |
| Q1 2014 | $52,000 | 0.0% | 2,000 | 0.0% | 0.02% | -10.5% |
| Q4 2013 | $52,000 | – | 2,000 | – | 0.02% | – |
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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% |