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 | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $7,989,000 | -27.1% | 300,000 | +33.3% | 1.70% | -33.9% |
| Q4 2017 | $10,953,000 | -67.5% | 225,000 | -62.5% | 2.57% | -63.3% |
| Q2 2017 | $33,702,000 | +330.0% | 600,000 | +200.0% | 7.00% | +379.5% |
| Q1 2017 | $7,838,000 | +174.4% | 200,000 | +42.9% | 1.46% | -9.6% |
| Q1 2016 | $2,856,000 | -75.9% | 140,000 | -39.1% | 1.62% | -66.6% |
| Q4 2015 | $11,834,000 | +1010.1% | 230,000 | +820.0% | 4.84% | +909.4% |
| Q3 2015 | $1,066,000 | -86.2% | 25,000 | -85.3% | 0.48% | -80.9% |
| Q2 2015 | $7,744,000 | -43.3% | 170,000 | -52.8% | 2.51% | +2.1% |
| Q1 2015 | $13,666,000 | +221.7% | 360,000 | +140.0% | 2.46% | +20.6% |
| Q4 2014 | $4,248,000 | +46.1% | 150,000 | +30.4% | 2.04% | +29.2% |
| Q3 2014 | $2,907,000 | – | 115,000 | – | 1.58% | – |
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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% |