PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 160 filers reported holding PROTHENA CORP PLC in Q4 2015. The put-call ratio across all filers is 1.22 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $329,000 | +71.4% | 5,487 | 0.0% | 0.11% | +77.8% |
| Q2 2016 | $192,000 | -15.0% | 5,487 | 0.0% | 0.06% | -25.0% |
| Q1 2016 | $226,000 | -39.6% | 5,487 | 0.0% | 0.08% | -40.4% |
| Q4 2015 | $374,000 | +50.2% | 5,487 | 0.0% | 0.14% | +43.9% |
| Q3 2015 | $249,000 | -13.8% | 5,487 | 0.0% | 0.10% | -6.7% |
| Q2 2015 | $289,000 | +38.3% | 5,487 | 0.0% | 0.10% | +34.6% |
| Q1 2015 | $209,000 | +83.3% | 5,487 | 0.0% | 0.08% | +81.4% |
| Q4 2014 | $114,000 | -6.6% | 5,487 | 0.0% | 0.04% | -12.2% |
| Q3 2014 | $122,000 | – | 5,487 | – | 0.05% | – |
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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% |