PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 190 filers reported holding PROTHENA CORP PLC in Q3 2023. The put-call ratio across all filers is 1.91 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,207,245 | -34.2% | 45,746 | -6.9% | 0.00% | 0.0% |
| Q2 2023 | $3,355,689 | +54.3% | 49,146 | +9.5% | 0.00% | 0.0% |
| Q1 2023 | $2,174,655 | -19.6% | 44,866 | 0.0% | 0.00% | 0.0% |
| Q4 2022 | $2,703,177 | -1.7% | 44,866 | -1.1% | 0.00% | 0.0% |
| Q3 2022 | $2,751,000 | +123.3% | 45,366 | 0.0% | 0.00% | 0.0% |
| Q2 2022 | $1,232,000 | -24.1% | 45,366 | +2.2% | 0.00% | 0.0% |
| Q1 2022 | $1,624,000 | -25.8% | 44,400 | +0.2% | 0.00% | 0.0% |
| Q4 2021 | $2,188,000 | -31.6% | 44,300 | -1.4% | 0.00% | 0.0% |
| Q3 2021 | $3,201,000 | +25.7% | 44,940 | -9.3% | 0.00% | 0.0% |
| Q2 2021 | $2,547,000 | +136.7% | 49,540 | +15.6% | 0.00% | – |
| Q1 2021 | $1,076,000 | +78.7% | 42,840 | -14.6% | 0.00% | – |
| Q4 2020 | $602,000 | +9.5% | 50,140 | -8.9% | 0.00% | – |
| Q3 2020 | $550,000 | -4.5% | 55,040 | 0.0% | 0.00% | – |
| Q2 2020 | $576,000 | +3.8% | 55,040 | +6.2% | 0.00% | – |
| Q1 2020 | $555,000 | -32.4% | 51,840 | 0.0% | 0.00% | – |
| Q4 2019 | $821,000 | +102.2% | 51,840 | 0.0% | 0.00% | – |
| Q3 2019 | $406,000 | -25.9% | 51,840 | 0.0% | 0.00% | – |
| Q2 2019 | $548,000 | -12.9% | 51,840 | 0.0% | 0.00% | – |
| Q1 2019 | $629,000 | +8.8% | 51,840 | -7.7% | 0.00% | – |
| Q4 2018 | $578,000 | -21.3% | 56,140 | 0.0% | 0.00% | – |
| Q3 2018 | $734,000 | -10.4% | 56,140 | 0.0% | 0.00% | -100.0% |
| Q2 2018 | $819,000 | -98.0% | 56,140 | -95.1% | 0.00% | -96.7% |
| Q1 2018 | $41,799,000 | +10.8% | 1,138,635 | +13.2% | 0.03% | +11.1% |
| Q4 2017 | $37,715,000 | -35.6% | 1,005,998 | +11.2% | 0.03% | -38.6% |
| Q3 2017 | $58,599,000 | +20.9% | 904,725 | +1.0% | 0.04% | +18.9% |
| Q2 2017 | $48,478,000 | +3.6% | 895,759 | +6.8% | 0.04% | 0.0% |
| Q1 2017 | $46,794,000 | +15.5% | 838,757 | +1.9% | 0.04% | +8.8% |
| Q4 2016 | $40,499,000 | -13.5% | 823,315 | +5.5% | 0.03% | -15.0% |
| Q3 2016 | $46,815,000 | +243.4% | 780,643 | +100.2% | 0.04% | +233.3% |
| Q2 2016 | $13,632,000 | -20.6% | 389,945 | -6.5% | 0.01% | -20.0% |
| Q1 2016 | $17,167,000 | -31.5% | 417,076 | +13.4% | 0.02% | -28.6% |
| Q4 2015 | $25,045,000 | +1115.8% | 367,720 | +709.2% | 0.02% | +950.0% |
| Q3 2015 | $2,060,000 | -12.7% | 45,440 | +1.4% | 0.00% | 0.0% |
| Q2 2015 | $2,360,000 | +71.4% | 44,800 | +24.1% | 0.00% | +100.0% |
| Q1 2015 | $1,377,000 | +83.8% | 36,100 | 0.0% | 0.00% | 0.0% |
| Q4 2014 | $749,000 | -6.4% | 36,100 | 0.0% | 0.00% | 0.0% |
| Q3 2014 | $800,000 | +32.5% | 36,100 | +34.7% | 0.00% | 0.0% |
| Q2 2014 | $604,000 | -26.3% | 26,800 | +25.4% | 0.00% | 0.0% |
| Q1 2014 | $819,000 | +40850.0% | 21,377 | +27662.3% | 0.00% | – |
| Q4 2013 | $2,000 | -87.5% | 77 | -90.1% | 0.00% | – |
| Q3 2013 | $16,000 | 0.0% | 777 | -38.4% | 0.00% | – |
| Q2 2013 | $16,000 | – | 1,262 | – | 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% |