PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 106 filers reported holding PROTHENA CORP PLC in Q4 2013. The put-call ratio across all filers is 0.51 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $7,123,000 | -30.7% | 100,000 | -50.0% | 0.01% | -30.0% |
| Q2 2021 | $10,282,000 | +585.0% | 200,000 | +60.0% | 0.02% | +566.7% |
| Q4 2020 | $1,501,000 | -24.9% | 125,000 | -37.5% | 0.00% | -40.0% |
| Q3 2020 | $1,998,000 | +662.6% | 200,000 | +700.0% | 0.01% | +400.0% |
| Q2 2020 | $262,000 | -96.1% | 25,000 | -91.7% | 0.00% | -93.8% |
| Q3 2014 | $6,648,000 | -46.3% | 300,000 | -45.4% | 0.02% | -50.0% |
| Q2 2014 | $12,384,000 | -60.4% | 549,186 | -32.7% | 0.03% | -62.4% |
| Q1 2014 | $31,259,000 | +22.0% | 815,943 | -15.5% | 0.08% | +25.0% |
| Q4 2013 | $25,617,000 | +24.5% | 965,943 | -5.0% | 0.07% | +15.3% |
| Q3 2013 | $20,574,000 | +22.6% | 1,017,015 | -21.8% | 0.06% | +13.5% |
| Q2 2013 | $16,783,000 | +118.1% | 1,300,000 | +13.0% | 0.05% | +108.0% |
| Q1 2013 | $7,694,000 | – | 1,150,000 | – | 0.02% | – |
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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% |