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 | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $7,570,000 | +8.6% | 317,000 | +21.9% | 0.62% | -42.1% |
| Q3 2019 | $6,973,000 | +143.0% | 260,000 | +76.9% | 1.08% | +233.4% |
| Q4 2018 | $2,869,000 | -26.7% | 147,000 | 0.0% | 0.32% | -28.1% |
| Q3 2018 | $3,915,000 | +182.7% | 147,000 | +22.5% | 0.45% | +135.1% |
| Q2 2018 | $1,385,000 | -78.8% | 120,000 | -40.0% | 0.19% | -80.7% |
| Q1 2018 | $6,532,000 | -36.1% | 200,000 | -4.8% | 0.99% | -17.3% |
| Q4 2017 | $10,223,000 | +30.5% | 210,000 | +44.8% | 1.20% | +7.3% |
| Q3 2017 | $7,834,000 | +248.6% | 145,000 | +262.5% | 1.12% | +192.7% |
| Q2 2017 | $2,247,000 | +0.1% | 40,000 | -60.0% | 0.38% | -32.7% |
| Q4 2016 | $2,244,000 | +120.0% | 100,000 | +100.0% | 0.57% | +157.0% |
| Q1 2016 | $1,020,000 | -76.8% | 50,000 | -41.5% | 0.22% | -65.7% |
| Q4 2015 | $4,399,000 | +8.6% | 85,500 | -10.0% | 0.64% | +24.6% |
| Q3 2015 | $4,049,000 | +3.4% | 95,000 | +10.5% | 0.52% | +34.6% |
| Q2 2015 | $3,917,000 | +3.2% | 86,000 | -14.0% | 0.38% | -2.8% |
| Q1 2015 | $3,797,000 | +91.6% | 100,023 | +42.9% | 0.40% | +16.9% |
| Q4 2014 | $1,982,000 | +21.3% | 70,000 | +10.3% | 0.34% | -25.7% |
| Q4 2013 | $1,634,000 | – | 63,471 | – | 0.46% | – |
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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% |