PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 145 filers reported holding PROTHENA CORP PLC in Q1 2016. The put-call ratio across all filers is 1.24 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2017 | $4,600,000 | -5.3% | 85,000 | -2.4% | 1.92% | -20.6% |
| Q1 2017 | $4,859,000 | +19.7% | 87,100 | +5.6% | 2.42% | +1.1% |
| Q4 2016 | $4,058,000 | +35.3% | 82,500 | +65.0% | 2.39% | +52.4% |
| Q3 2016 | $2,999,000 | +420.7% | 50,000 | +257.1% | 1.57% | +337.0% |
| Q1 2016 | $576,000 | -100.0% | 14,000 | -91.1% | 0.36% | -86.8% |
| Q3 2014 | $3,479,120,000 | +1179262.7% | 157,000 | +1098.1% | 2.71% | +967.7% |
| Q2 2014 | $295,000 | – | 13,104 | – | 0.25% | – |
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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% |