PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 131 filers reported holding PROTHENA CORP PLC in Q2 2014. The put-call ratio across all filers is 0.49 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $533,790 | -34.4% | 11,063 | -7.2% | 0.00% | – |
| Q2 2023 | $813,624 | +39.7% | 11,916 | -0.8% | 0.00% | – |
| Q1 2023 | $582,221 | -60.0% | 12,012 | -50.3% | 0.00% | – |
| Q4 2022 | $1,456,000 | -30.0% | 24,180 | -29.6% | 0.00% | -100.0% |
| Q3 2022 | $2,081,000 | +203.8% | 34,333 | +36.2% | 0.00% | – |
| Q2 2022 | $685,000 | -33.8% | 25,209 | -10.8% | 0.00% | – |
| Q1 2022 | $1,034,000 | +45.2% | 28,256 | +96.0% | 0.00% | – |
| Q4 2021 | $712,000 | +9.5% | 14,420 | +58.1% | 0.00% | – |
| Q3 2021 | $650,000 | +45.4% | 9,123 | -48.7% | 0.00% | – |
| Q1 2021 | $447,000 | -9.3% | 17,792 | -56.7% | 0.00% | – |
| Q4 2020 | $493,000 | -1.2% | 41,069 | -17.7% | 0.00% | – |
| Q3 2020 | $499,000 | +1.8% | 49,878 | +6.4% | 0.00% | – |
| Q2 2020 | $490,000 | -2.6% | 46,870 | -0.2% | 0.00% | – |
| Q1 2020 | $503,000 | -32.3% | 46,985 | +0.2% | 0.00% | – |
| Q4 2019 | $743,000 | +142.8% | 46,912 | +20.3% | 0.00% | – |
| Q3 2019 | $306,000 | -10.3% | 39,009 | +21.0% | 0.00% | – |
| Q2 2019 | $341,000 | -0.6% | 32,226 | +13.7% | 0.00% | – |
| Q1 2019 | $343,000 | +90.6% | 28,336 | +61.9% | 0.00% | – |
| Q4 2018 | $180,000 | -4.3% | 17,507 | +124950.0% | 0.00% | – |
| Q3 2018 | $188,000 | -42.7% | 14 | -99.8% | 0.00% | – |
| Q1 2018 | $328,000 | -85.3% | 8,928 | -72.7% | 0.00% | -100.0% |
| Q4 2015 | $2,227,000 | +59.2% | 32,695 | +5.9% | 0.00% | 0.0% |
| Q3 2015 | $1,399,000 | -40.2% | 30,863 | -30.5% | 0.00% | 0.0% |
| Q2 2015 | $2,338,000 | +116800.0% | 44,386 | +82096.3% | 0.00% | – |
| Q3 2014 | $2,000 | 0.0% | 54 | -40.7% | 0.00% | – |
| Q2 2014 | $2,000 | -98.0% | 91 | -96.5% | 0.00% | – |
| Q1 2014 | $100,000 | – | 2,612 | +11772.7% | 0.00% | – |
| Q4 2013 | $0 | -100.0% | 22 | -97.1% | 0.00% | – |
| Q3 2013 | $15,000 | +50.0% | 762 | -3.1% | 0.00% | – |
| Q2 2013 | $10,000 | – | 786 | – | 0.00% | – |
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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% |