PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 165 filers reported holding PROTHENA CORP PLC in Q2 2022. The put-call ratio across all filers is 0.24 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,183,409 | +42.9% | 45,252 | +102.2% | 0.00% | 0.0% |
| Q2 2023 | $1,527,765 | -48.9% | 22,375 | -63.7% | 0.00% | 0.0% |
| Q1 2023 | $2,987,836 | -45.5% | 61,643 | -32.3% | 0.00% | -50.0% |
| Q4 2022 | $5,486,907 | +1371.0% | 91,069 | +1381.0% | 0.00% | – |
| Q3 2022 | $373,000 | -34.1% | 6,149 | -70.5% | 0.00% | – |
| Q2 2022 | $566,000 | -82.5% | 20,823 | -76.4% | 0.00% | -100.0% |
| Q1 2022 | $3,234,000 | -12.0% | 88,419 | +18.9% | 0.00% | 0.0% |
| Q4 2021 | $3,674,000 | -33.5% | 74,372 | -4.1% | 0.00% | -50.0% |
| Q3 2021 | $5,522,000 | +6396.5% | 77,517 | +4564.1% | 0.00% | – |
| Q2 2021 | $85,000 | -86.0% | 1,662 | -93.1% | 0.00% | – |
| Q1 2021 | $605,000 | +481.7% | 24,086 | +179.3% | 0.00% | – |
| Q4 2020 | $104,000 | +1200.0% | 8,623 | +964.6% | 0.00% | – |
| Q3 2020 | $8,000 | -55.6% | 810 | -55.0% | 0.00% | – |
| Q2 2020 | $18,000 | -90.7% | 1,802 | -90.0% | 0.00% | – |
| Q1 2020 | $193,000 | -69.4% | 18,084 | -54.6% | 0.00% | – |
| Q4 2019 | $631,000 | +32.8% | 39,856 | -34.2% | 0.00% | – |
| Q3 2019 | $475,000 | +125.1% | 60,532 | +202.1% | 0.00% | – |
| Q2 2019 | $211,000 | +313.7% | 20,035 | +371.6% | 0.00% | – |
| Q1 2019 | $51,000 | -96.2% | 4,248 | -96.7% | 0.00% | -100.0% |
| Q4 2018 | $1,336,000 | +960.3% | 129,725 | +1243.9% | 0.00% | – |
| Q3 2018 | $126,000 | -26.3% | 9,653 | -17.5% | 0.00% | – |
| Q2 2018 | $171,000 | -94.5% | 11,698 | -86.1% | 0.00% | -100.0% |
| Q1 2018 | $3,092,000 | +362.2% | 84,229 | +372.4% | 0.00% | – |
| Q4 2017 | $669,000 | -69.2% | 17,829 | -46.8% | 0.00% | -100.0% |
| Q3 2017 | $2,172,000 | +42.0% | 33,539 | +18.6% | 0.00% | 0.0% |
| Q2 2017 | $1,530,000 | +4.2% | 28,283 | +7.5% | 0.00% | 0.0% |
| Q1 2017 | $1,468,000 | -38.0% | 26,315 | -45.3% | 0.00% | 0.0% |
| Q4 2016 | $2,367,000 | +112.5% | 48,131 | +159.2% | 0.00% | 0.0% |
| Q3 2016 | $1,114,000 | -2.8% | 18,569 | -43.4% | 0.00% | 0.0% |
| Q2 2016 | $1,146,000 | +29.3% | 32,794 | +52.5% | 0.00% | 0.0% |
| Q1 2016 | $886,000 | -36.3% | 21,504 | +5.4% | 0.00% | 0.0% |
| Q4 2015 | $1,390,000 | -1.4% | 20,403 | -34.4% | 0.00% | 0.0% |
| Q3 2015 | $1,410,000 | -63.3% | 31,090 | -57.4% | 0.00% | -50.0% |
| Q2 2015 | $3,843,000 | +898.2% | 72,972 | +623.1% | 0.00% | – |
| Q1 2015 | $385,000 | +100.5% | 10,091 | +8.7% | 0.00% | – |
| Q4 2014 | $192,000 | – | 9,282 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,584,280 | $558,941,510 | 18.85% |
| Finepoint Capital LP | 349,300 | $16,853,725 | 8.39% |
| Palo Alto Investors LP | 1,657,458 | $79,972,349 | 7.57% |
| Birchview Capital, LP | 169,574 | $8,181,946 | 6.96% |
| First Light Asset Management, LLC | 1,494,039 | $72,087,382 | 6.85% |
| DCF Advisers, LLC | 82,950 | $4,002,338 | 2.18% |
| Prosight Management, LP | 126,202 | $6,089,247 | 1.93% |
| PFM Health Sciences, LP | 836,571 | $40,364,551 | 1.90% |
| SECTORAL ASSET MANAGEMENT INC | 172,407 | $8,318,638 | 1.62% |
| Boxer Capital, LLC | 625,000 | $30,156,250 | 1.60% |