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 | $5,279,660 | -60.9% | 109,423 | -44.7% | 0.00% | 0.0% |
| Q2 2023 | $13,510,018 | -50.6% | 197,862 | -64.9% | 0.00% | -66.7% |
| Q1 2023 | $27,358,456 | +273.2% | 564,441 | +363.9% | 0.00% | +200.0% |
| Q4 2022 | $7,330,678 | +45.5% | 121,671 | +46.4% | 0.00% | 0.0% |
| Q3 2022 | $5,038,000 | +184.0% | 83,097 | +27.2% | 0.00% | – |
| Q2 2022 | $1,774,000 | -69.3% | 65,344 | -58.7% | 0.00% | -100.0% |
| Q1 2022 | $5,786,000 | -30.5% | 158,219 | -6.1% | 0.00% | 0.0% |
| Q4 2021 | $8,324,000 | +248.0% | 168,502 | +401.9% | 0.00% | – |
| Q3 2021 | $2,392,000 | +188.5% | 33,574 | +108.0% | 0.00% | – |
| Q2 2021 | $829,000 | -84.7% | 16,143 | -92.5% | 0.00% | – |
| Q1 2021 | $5,423,000 | +2896.1% | 215,897 | +1339.0% | 0.00% | – |
| Q4 2020 | $181,000 | -64.1% | 15,003 | -70.2% | 0.00% | – |
| Q3 2020 | $504,000 | +53.7% | 50,428 | +61.1% | 0.00% | – |
| Q2 2020 | $328,000 | +61.6% | 31,297 | +65.2% | 0.00% | – |
| Q1 2020 | $203,000 | -66.4% | 18,942 | -50.5% | 0.00% | – |
| Q4 2019 | $605,000 | +129.2% | 38,253 | +13.6% | 0.00% | – |
| Q3 2019 | $264,000 | -89.6% | 33,687 | -86.0% | 0.00% | – |
| Q2 2019 | $2,549,000 | -8.1% | 241,218 | +5.5% | 0.00% | – |
| Q1 2019 | $2,774,000 | -49.1% | 228,636 | -56.8% | 0.00% | -100.0% |
| Q4 2018 | $5,451,000 | -77.6% | 529,262 | -71.6% | 0.00% | -75.0% |
| Q3 2018 | $24,363,000 | +517.9% | 1,862,557 | +588.8% | 0.00% | – |
| Q2 2018 | $3,943,000 | +416.1% | 270,419 | +1199.4% | 0.00% | – |
| Q1 2018 | $764,000 | +28.0% | 20,811 | +30.4% | 0.00% | – |
| Q4 2017 | $597,000 | -52.4% | 15,955 | -17.5% | 0.00% | – |
| Q3 2017 | $1,253,000 | +97.3% | 19,339 | +64.9% | 0.00% | – |
| Q2 2017 | $635,000 | -28.3% | 11,726 | -26.1% | 0.00% | – |
| Q1 2017 | $886,000 | +121.5% | 15,875 | +95.0% | 0.00% | – |
| Q4 2016 | $400,000 | +111.6% | 8,140 | +159.5% | 0.00% | – |
| Q3 2016 | $189,000 | -15.2% | 3,137 | -50.9% | 0.00% | – |
| Q2 2016 | $223,000 | +150.6% | 6,383 | +194.3% | 0.00% | – |
| Q1 2016 | $89,000 | -84.4% | 2,169 | -74.1% | 0.00% | – |
| Q4 2015 | $570,000 | +726.1% | 8,360 | +452.2% | 0.00% | – |
| Q3 2015 | $69,000 | -91.6% | 1,514 | -90.3% | 0.00% | – |
| Q2 2015 | $824,000 | +2012.8% | 15,638 | +1408.0% | 0.00% | – |
| Q1 2015 | $39,000 | -66.1% | 1,037 | -81.3% | 0.00% | – |
| Q4 2014 | $115,000 | -90.1% | 5,546 | -89.4% | 0.00% | – |
| Q3 2014 | $1,162,000 | -97.0% | 52,437 | -96.9% | 0.00% | -100.0% |
| Q2 2014 | $38,246,000 | +14553.6% | 1,696,044 | +24830.8% | 0.01% | – |
| Q1 2014 | $261,000 | +59.1% | 6,803 | +10.3% | 0.00% | – |
| Q4 2013 | $164,000 | +164.5% | 6,165 | +100.4% | 0.00% | – |
| Q3 2013 | $62,000 | -74.6% | 3,076 | -83.7% | 0.00% | – |
| Q2 2013 | $244,000 | – | 18,924 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,284,280 | $557,443,000 | 17.76% |
| Prosight Management, LP | 441,000 | $21,785,000 | 13.04% |
| First Light Asset Management, LLC | 1,622,941 | $80,173,000 | 5.74% |
| Palo Alto Investors LP | 1,685,282 | $83,253,000 | 5.32% |
| Birchview Capital, LP | 40,247 | $1,988,000 | 1.28% |
| DCF Advisers, LLC | 60,000 | $2,964,000 | 1.20% |
| HighVista Strategies LLC | 28,078 | $1,387,000 | 1.10% |
| APOGEM CAPITAL LLC | 33,212 | $1,641,000 | 1.08% |
| Redmile Group, LLC | 765,675 | $37,824,000 | 0.86% |
| Rock Springs Capital Management LP | 647,730 | $31,998,000 | 0.74% |