PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 187 filers reported holding PROTHENA CORP PLC in Q3 2022. The put-call ratio across all filers is 0.81 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $79,972,349 | -29.3% | 1,657,458 | 0.0% | 7.57% | -17.2% |
| Q2 2023 | $113,171,232 | +40.3% | 1,657,458 | -0.4% | 9.14% | +36.9% |
| Q1 2023 | $80,643,271 | -19.3% | 1,663,777 | +0.3% | 6.68% | -21.6% |
| Q4 2022 | $99,929,264 | -0.1% | 1,658,577 | +0.5% | 8.52% | +7.7% |
| Q3 2022 | $100,026,000 | +119.1% | 1,649,777 | -1.9% | 7.91% | +98.8% |
| Q2 2022 | $45,652,000 | -25.8% | 1,681,477 | 0.0% | 3.98% | -16.3% |
| Q1 2022 | $61,492,000 | -26.1% | 1,681,477 | -0.2% | 4.75% | -10.6% |
| Q4 2021 | $83,253,000 | -30.6% | 1,685,282 | 0.0% | 5.32% | -26.6% |
| Q3 2021 | $120,043,000 | +34.9% | 1,685,282 | -2.7% | 7.24% | +47.7% |
| Q2 2021 | $89,015,000 | +103.4% | 1,731,482 | -0.6% | 4.90% | +96.7% |
| Q1 2021 | $43,772,000 | +115.4% | 1,742,505 | +3.0% | 2.49% | +134.2% |
| Q4 2020 | $20,319,000 | +53.1% | 1,691,805 | +27.3% | 1.06% | +46.1% |
| Q3 2020 | $13,274,000 | +64.6% | 1,328,734 | +72.3% | 0.73% | +50.6% |
| Q2 2020 | $8,065,000 | -2.8% | 771,065 | -0.5% | 0.48% | -30.4% |
| Q1 2020 | $8,296,000 | -47.2% | 775,296 | -21.9% | 0.70% | -19.7% |
| Q4 2019 | $15,715,000 | +99.6% | 992,749 | -1.2% | 0.86% | +64.8% |
| Q3 2019 | $7,875,000 | -32.8% | 1,004,449 | -9.4% | 0.52% | -7.9% |
| Q2 2019 | $11,717,000 | -12.9% | 1,108,510 | 0.0% | 0.57% | +1.6% |
| Q1 2019 | $13,446,000 | +17.8% | 1,108,510 | 0.0% | 0.56% | -7.7% |
| Q4 2018 | $11,418,000 | -20.9% | 1,108,510 | +0.5% | 0.61% | +4.3% |
| Q3 2018 | $14,431,000 | -10.3% | 1,103,325 | 0.0% | 0.58% | -9.3% |
| Q2 2018 | $16,086,000 | -60.2% | 1,103,325 | +0.2% | 0.64% | -62.8% |
| Q1 2018 | $40,430,000 | -1.6% | 1,101,338 | +0.5% | 1.73% | -2.3% |
| Q4 2017 | $41,076,000 | -42.1% | 1,095,655 | 0.0% | 1.77% | -40.8% |
| Q3 2017 | $70,966,000 | +22.1% | 1,095,655 | +2.0% | 2.99% | +10.2% |
| Q2 2017 | $58,122,000 | -1.3% | 1,073,955 | +1.7% | 2.71% | -2.6% |
| Q1 2017 | $58,906,000 | +20.5% | 1,055,855 | +6.2% | 2.78% | -0.2% |
| Q4 2016 | $48,888,000 | -12.8% | 993,855 | +6.4% | 2.79% | -14.3% |
| Q3 2016 | $56,039,000 | +103.3% | 934,455 | +18.5% | 3.26% | +56.3% |
| Q2 2016 | $27,570,000 | -3.7% | 788,618 | +13.4% | 2.08% | -6.3% |
| Q1 2016 | $28,628,000 | -39.6% | 695,518 | 0.0% | 2.22% | -15.7% |
| Q4 2015 | $47,372,000 | +50.1% | 695,518 | -0.1% | 2.64% | +73.8% |
| Q3 2015 | $31,553,000 | -13.9% | 695,918 | 0.0% | 1.52% | -6.9% |
| Q2 2015 | $36,654,000 | +38.1% | 695,918 | 0.0% | 1.63% | +24.2% |
| Q1 2015 | $26,542,000 | +85.0% | 695,918 | +0.7% | 1.31% | +55.8% |
| Q4 2014 | $14,350,000 | -3.9% | 691,218 | +2.6% | 0.84% | -24.6% |
| Q3 2014 | $14,932,000 | +24.0% | 673,818 | +26.2% | 1.12% | +24.4% |
| Q2 2014 | $12,042,000 | -70.5% | 534,018 | -49.9% | 0.90% | -46.9% |
| Q1 2014 | $40,832,000 | +186.5% | 1,065,836 | +98.3% | 1.69% | +27.0% |
| Q4 2013 | $14,252,000 | +696.2% | 537,418 | +507.3% | 1.33% | +606.9% |
| Q3 2013 | $1,790,000 | +56.6% | 88,500 | 0.0% | 0.19% | +39.3% |
| Q2 2013 | $1,143,000 | – | 88,500 | – | 0.14% | – |
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% |