PORTOLA PHARMACEUTICALS INC's ticker is and the CUSIP is 737010908. A total of 5 filers reported holding PORTOLA PHARMACEUTICALS INC in Q1 2016. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2016 | $1,634,000 | – | 80,100 | – | 0.35% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SPHERA FUNDS MANAGEMENT LTD. | 80,100 | $1,634,000 | 0.35% |
| SABBY MANAGEMENT, LLC | 3,221 | $6,571,000 | 0.33% |
| GROUP ONE TRADING, L.P. | 34,200 | $698,000 | 0.01% |
| Citadel Advisors | 28,300 | $577,000 | 0.00% |
| SIMPLEX TRADING, LLC | 57 | $1,000 | 0.00% |