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 | $4,912,092 | -61.6% | 101,805 | -45.6% | 0.00% | -100.0% |
| Q2 2023 | $12,777,237 | +58.5% | 187,130 | +12.5% | 0.00% | +50.0% |
| Q1 2023 | $8,060,125 | -31.2% | 166,291 | -14.5% | 0.00% | -33.3% |
| Q4 2022 | $11,719,710 | -41.9% | 194,518 | -41.5% | 0.00% | -50.0% |
| Q3 2022 | $20,165,000 | +264.5% | 332,606 | +63.2% | 0.01% | +500.0% |
| Q2 2022 | $5,532,000 | +36.9% | 203,781 | +84.4% | 0.00% | – |
| Q1 2022 | $4,041,000 | -82.6% | 110,486 | -76.5% | 0.00% | – |
| Q4 2021 | $23,220,000 | +85.9% | 470,012 | +168.0% | 0.00% | -100.0% |
| Q3 2021 | $12,491,000 | +53.4% | 175,356 | +10.7% | 0.00% | 0.0% |
| Q2 2021 | $8,143,000 | +66.3% | 158,395 | -18.7% | 0.00% | 0.0% |
| Q1 2021 | $4,896,000 | +114.9% | 194,907 | +2.8% | 0.00% | – |
| Q4 2020 | $2,278,000 | +41.8% | 189,600 | +17.9% | 0.00% | – |
| Q3 2020 | $1,607,000 | +23.5% | 160,845 | +29.4% | 0.00% | – |
| Q2 2020 | $1,301,000 | +28.3% | 124,319 | +31.2% | 0.00% | – |
| Q1 2020 | $1,014,000 | +16.0% | 94,741 | +71.6% | 0.00% | – |
| Q4 2019 | $874,000 | -24.5% | 55,200 | -62.6% | 0.00% | – |
| Q3 2019 | $1,157,000 | -69.7% | 147,542 | -59.2% | 0.00% | – |
| Q2 2019 | $3,818,000 | +569.8% | 361,187 | +669.0% | 0.00% | – |
| Q1 2019 | $570,000 | -84.0% | 46,967 | -86.4% | 0.00% | -100.0% |
| Q4 2018 | $3,561,000 | +39.8% | 345,745 | +77.6% | 0.00% | 0.0% |
| Q3 2018 | $2,547,000 | -1.4% | 194,700 | +9.9% | 0.00% | – |
| Q2 2018 | $2,583,000 | -85.1% | 177,200 | -62.6% | 0.00% | -100.0% |
| Q1 2018 | $17,373,000 | +190.2% | 473,253 | +196.4% | 0.01% | +200.0% |
| Q4 2017 | $5,986,000 | -33.9% | 159,675 | +14.2% | 0.00% | -50.0% |
| Q3 2017 | $9,055,000 | -5.3% | 139,800 | -20.9% | 0.00% | -20.0% |
| Q2 2017 | $9,560,000 | -39.8% | 176,655 | -38.0% | 0.01% | -44.4% |
| Q1 2017 | $15,887,000 | +121.5% | 284,750 | +95.3% | 0.01% | +125.0% |
| Q4 2016 | $7,174,000 | +18.2% | 145,827 | +44.1% | 0.00% | +33.3% |
| Q3 2016 | $6,069,000 | -29.7% | 101,200 | -59.0% | 0.00% | -40.0% |
| Q2 2016 | $8,634,000 | -4.5% | 246,941 | +12.4% | 0.01% | 0.0% |
| Q1 2016 | $9,042,000 | -34.9% | 219,681 | +7.8% | 0.01% | -16.7% |
| Q4 2015 | $13,882,000 | +33.9% | 203,825 | -10.8% | 0.01% | +20.0% |
| Q3 2015 | $10,364,000 | +16.9% | 228,595 | +35.8% | 0.01% | +66.7% |
| Q2 2015 | $8,869,000 | -12.7% | 168,389 | -36.8% | 0.00% | -40.0% |
| Q1 2015 | $10,155,000 | +129.6% | 266,259 | +25.0% | 0.01% | +150.0% |
| Q4 2014 | $4,422,000 | -47.0% | 213,011 | -43.4% | 0.00% | -33.3% |
| Q3 2014 | $8,347,000 | +58.5% | 376,626 | +61.3% | 0.00% | 0.0% |
| Q2 2014 | $5,265,000 | +39.5% | 233,486 | +137.0% | 0.00% | +50.0% |
| Q1 2014 | $3,773,000 | +69.2% | 98,500 | +17.1% | 0.00% | – |
| Q4 2013 | $2,230,000 | +429.7% | 84,120 | +304.1% | 0.00% | – |
| Q3 2013 | $421,000 | +56.5% | 20,818 | -0.0% | 0.00% | – |
| Q2 2013 | $269,000 | – | 20,827 | – | 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% |