PORTOLA PHARMACEUTICALS INC's ticker is PTLA and the CUSIP is 737010108. A total of 210 filers reported holding PORTOLA PHARMACEUTICALS INC in Q1 2019. The put-call ratio across all filers is 2.22 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $13,000 | +225.0% | 750 | +31.6% | 0.00% | – |
| Q1 2020 | $4,000 | -82.6% | 570 | -41.8% | 0.00% | – |
| Q4 2019 | $23,000 | +155.6% | 980 | +206.2% | 0.00% | – |
| Q3 2019 | $9,000 | 0.0% | 320 | 0.0% | 0.00% | – |
| Q2 2019 | $9,000 | -18.2% | 320 | 0.0% | 0.00% | – |
| Q1 2019 | $11,000 | +83.3% | 320 | 0.0% | 0.00% | – |
| Q4 2018 | $6,000 | -33.3% | 320 | 0.0% | 0.00% | – |
| Q3 2018 | $9,000 | -47.1% | 320 | -27.3% | 0.00% | – |
| Q2 2018 | $17,000 | +54.5% | 440 | +25.7% | 0.00% | – |
| Q1 2018 | $11,000 | -35.3% | 350 | 0.0% | 0.00% | – |
| Q4 2017 | $17,000 | -10.5% | 350 | 0.0% | 0.00% | – |
| Q3 2017 | $19,000 | -5.0% | 350 | 0.0% | 0.00% | – |
| Q2 2017 | $20,000 | +100.0% | 350 | +40.0% | 0.00% | – |
| Q1 2017 | $10,000 | -63.0% | 250 | -79.2% | 0.00% | – |
| Q4 2016 | $27,000 | 0.0% | 1,200 | 0.0% | 0.00% | – |
| Q3 2016 | $27,000 | -3.6% | 1,200 | 0.0% | 0.00% | – |
| Q2 2016 | $28,000 | +75.0% | 1,200 | +50.0% | 0.00% | – |
| Q1 2016 | $16,000 | – | 800 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| MPM ASSET MANAGEMENT LLC | 1,220,672 | $55,602,000 | 9.30% |
| Fernwood Investment Management, LLC | 201,211 | $9,165,000 | 7.20% |
| Cormorant Asset Management, LP | 500,000 | $22,775,000 | 3.03% |
| Ghost Tree Capital, LLC | 170,000 | $7,744,000 | 2.51% |
| HARVEY CAPITAL MANAGEMENT INC | 155,030 | $7,108,000 | 2.40% |
| SECTORAL ASSET MANAGEMENT INC | 1,169,130 | $53,254,000 | 2.22% |
| Atika Capital Management LLC | 98,000 | $4,464,000 | 2.01% |
| Temasek Holdings (Private) Ltd | 5,833,568 | $265,719,000 | 1.66% |
| CABOT WEALTH MANAGEMENT INC | 124,309 | $5,662,000 | 1.38% |
| EMERALD MUTUAL FUND ADVISERS TRUST | 314,689 | $14,334,000 | 1.11% |