PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 142 filers reported holding PROTHENA CORP PLC in Q2 2020. The put-call ratio across all filers is 716.50 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,175,708 | +96.6% | 24,367 | +178.3% | 0.00% | +200.0% |
| Q2 2023 | $597,928 | -75.6% | 8,757 | -82.7% | 0.00% | -80.0% |
| Q1 2023 | $2,447,153 | -16.4% | 50,488 | +4.5% | 0.01% | -44.4% |
| Q3 2022 | $2,928,000 | +197.3% | 48,295 | +249.2% | 0.01% | +125.0% |
| Q3 2021 | $985,000 | +13.6% | 13,829 | -59.9% | 0.00% | 0.0% |
| Q1 2021 | $867,000 | +7.2% | 34,487 | -48.8% | 0.00% | +33.3% |
| Q4 2020 | $809,000 | +93.1% | 67,395 | +71.8% | 0.00% | 0.0% |
| Q1 2020 | $419,000 | -87.5% | 39,231 | -81.5% | 0.00% | -87.0% |
| Q4 2019 | $3,358,000 | +327.8% | 212,100 | +227.7% | 0.02% | +283.3% |
| Q1 2019 | $785,000 | -81.5% | 64,720 | -84.3% | 0.01% | -80.6% |
| Q4 2018 | $4,247,000 | +78.4% | 412,284 | +126.5% | 0.03% | +138.5% |
| Q3 2018 | $2,380,000 | +195.3% | 182,020 | +229.2% | 0.01% | +225.0% |
| Q2 2018 | $806,000 | +32.3% | 55,300 | +239.3% | 0.00% | +33.3% |
| Q4 2017 | $609,000 | – | 16,300 | – | 0.00% | – |
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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% |