PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 156 filers reported holding PROTHENA CORP PLC in Q3 2017. The put-call ratio across all filers is 2.30 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $14,684,000 | +11.9% | 400,000 | +14.3% | 0.41% | +9.7% |
| Q4 2017 | $13,122,000 | -42.1% | 350,000 | 0.0% | 0.37% | -41.1% |
| Q3 2017 | $22,670,000 | +19.7% | 350,000 | 0.0% | 0.63% | +8.5% |
| Q2 2017 | $18,942,000 | -3.0% | 350,000 | 0.0% | 0.58% | -9.4% |
| Q1 2017 | $19,527,000 | +13.4% | 350,000 | 0.0% | 0.64% | +0.2% |
| Q4 2016 | $17,217,000 | -18.0% | 350,000 | 0.0% | 0.64% | -13.6% |
| Q3 2016 | $20,990,000 | +71.5% | 350,000 | 0.0% | 0.74% | +52.8% |
| Q2 2016 | $12,236,000 | -15.1% | 350,000 | 0.0% | 0.48% | -15.7% |
| Q1 2016 | $14,406,000 | -33.9% | 350,000 | +9.4% | 0.57% | -6.7% |
| Q4 2015 | $21,795,000 | +50.2% | 320,000 | 0.0% | 0.61% | +33.5% |
| Q3 2015 | $14,509,000 | – | 320,000 | – | 0.46% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RA Capital Management | 1,554,918 | $59,569,000 | 4.27% |
| Cormorant Asset Management, LP | 350,000 | $13,409,000 | 3.08% |
| Redmile Group, LLC | 559,611 | $21,439,000 | 2.56% |
| Ghost Tree Capital, LLC | 110,000 | $4,214,000 | 2.50% |
| Atika Capital Management LLC | 57,500 | $2,203,000 | 1.88% |
| Palo Alto Investors LP | 1,065,836 | $40,832,000 | 1.69% |
| Perceptive Advisors | 350,000 | $13,409,000 | 1.41% |
| Orbimed Advisors | 1,889,000 | $72,368,000 | 0.89% |
| Rock Springs Capital Management LP | 65,000 | $2,490,000 | 0.57% |
| Cupps Capital Management, LLC | 164,199 | $6,290,000 | 0.48% |