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 | $41,454,554 | -27.6% | 859,060 | +2.5% | 0.01% | -28.6% |
| Q2 2023 | $57,247,408 | +51.5% | 838,421 | +7.5% | 0.01% | +40.0% |
| Q1 2023 | $37,798,086 | +87570.1% | 779,824 | +9.0% | 0.01% | -16.7% |
| Q4 2022 | $43,114 | -99.9% | 715,601 | +12.6% | 0.01% | 0.0% |
| Q3 2022 | $38,543,000 | +124.7% | 635,724 | +0.6% | 0.01% | +100.0% |
| Q2 2022 | $17,150,000 | -28.1% | 631,680 | -3.1% | 0.00% | 0.0% |
| Q1 2022 | $23,842,000 | -22.6% | 651,975 | +4.6% | 0.00% | -25.0% |
| Q4 2021 | $30,804,000 | -30.3% | 623,574 | +0.5% | 0.00% | -33.3% |
| Q3 2021 | $44,174,000 | +52.5% | 620,173 | +10.1% | 0.01% | +50.0% |
| Q2 2021 | $28,962,000 | +134.5% | 563,356 | +14.6% | 0.00% | +100.0% |
| Q1 2021 | $12,348,000 | +121.8% | 491,581 | +6.0% | 0.00% | +100.0% |
| Q4 2020 | $5,567,000 | +18.9% | 463,587 | -1.1% | 0.00% | 0.0% |
| Q3 2020 | $4,682,000 | -18.4% | 468,738 | -14.6% | 0.00% | 0.0% |
| Q2 2020 | $5,741,000 | -9.1% | 548,918 | -7.0% | 0.00% | -50.0% |
| Q1 2020 | $6,314,000 | -65.0% | 590,126 | -48.2% | 0.00% | 0.0% |
| Q4 2019 | $18,024,000 | +332.5% | 1,138,670 | +114.2% | 0.00% | +100.0% |
| Q3 2019 | $4,167,000 | -31.7% | 531,568 | -7.9% | 0.00% | 0.0% |
| Q2 2019 | $6,101,000 | -7.9% | 577,215 | +5.7% | 0.00% | -50.0% |
| Q1 2019 | $6,622,000 | -34.8% | 545,923 | -44.6% | 0.00% | 0.0% |
| Q4 2018 | $10,150,000 | +75.2% | 985,616 | +122.6% | 0.00% | 0.0% |
| Q3 2018 | $5,792,000 | -10.3% | 442,854 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $6,456,000 | -50.2% | 442,854 | +25.3% | 0.00% | -50.0% |
| Q1 2018 | $12,970,000 | +0.2% | 353,327 | +2.3% | 0.00% | 0.0% |
| Q4 2017 | $12,945,000 | -43.2% | 345,310 | -1.8% | 0.00% | -50.0% |
| Q3 2017 | $22,773,000 | +24.3% | 351,613 | +3.8% | 0.01% | +14.3% |
| Q2 2017 | $18,327,000 | +2.9% | 338,650 | +6.1% | 0.01% | 0.0% |
| Q1 2017 | $17,804,000 | +28.7% | 319,139 | +13.4% | 0.01% | +16.7% |
| Q4 2016 | $13,839,000 | -13.3% | 281,338 | +5.7% | 0.01% | -25.0% |
| Q3 2016 | $15,966,000 | +75.6% | 266,239 | +2.4% | 0.01% | +60.0% |
| Q2 2016 | $9,091,000 | -12.2% | 260,065 | +3.3% | 0.01% | 0.0% |
| Q1 2016 | $10,359,000 | -28.6% | 251,692 | +18.2% | 0.01% | -37.5% |
| Q4 2015 | $14,501,000 | +56.0% | 212,911 | +3.8% | 0.01% | +33.3% |
| Q3 2015 | $9,297,000 | -11.8% | 205,060 | +2.4% | 0.01% | 0.0% |
| Q2 2015 | $10,543,000 | +67.6% | 200,180 | +21.4% | 0.01% | +50.0% |
| Q1 2015 | $6,289,000 | +97.0% | 164,913 | +7.2% | 0.00% | +100.0% |
| Q4 2014 | $3,193,000 | -14.8% | 153,827 | -9.1% | 0.00% | 0.0% |
| Q3 2014 | $3,748,000 | +14.5% | 169,137 | +16.5% | 0.00% | 0.0% |
| Q2 2014 | $3,272,000 | -30.2% | 145,169 | +18.6% | 0.00% | -33.3% |
| Q1 2014 | $4,690,000 | +94.2% | 122,444 | +34.5% | 0.00% | +50.0% |
| Q4 2013 | $2,415,000 | +101.2% | 91,067 | +53.5% | 0.00% | +100.0% |
| Q3 2013 | $1,200,000 | +710.8% | 59,333 | +416.2% | 0.00% | – |
| Q2 2013 | $148,000 | – | 11,495 | – | 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% |