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 | $19,775,119 | -29.7% | 409,847 | -0.5% | 0.00% | -20.0% |
| Q2 2023 | $28,129,654 | +51.7% | 411,975 | +7.7% | 0.01% | +25.0% |
| Q1 2023 | $18,548,887 | -14.9% | 382,688 | +5.8% | 0.00% | -20.0% |
| Q4 2022 | $21,785,496 | +3.5% | 361,585 | +4.2% | 0.01% | 0.0% |
| Q3 2022 | $21,048,000 | +120.1% | 347,148 | -1.4% | 0.01% | +150.0% |
| Q2 2022 | $9,563,000 | -28.3% | 352,221 | -3.4% | 0.00% | 0.0% |
| Q1 2022 | $13,339,000 | -39.3% | 364,792 | -18.0% | 0.00% | -50.0% |
| Q4 2021 | $21,974,000 | -30.0% | 444,819 | +0.9% | 0.00% | -33.3% |
| Q3 2021 | $31,411,000 | +38.5% | 440,985 | -0.1% | 0.01% | +50.0% |
| Q2 2021 | $22,687,000 | +164.6% | 441,284 | +29.3% | 0.00% | +100.0% |
| Q1 2021 | $8,573,000 | +92.9% | 341,275 | -7.8% | 0.00% | +100.0% |
| Q4 2020 | $4,445,000 | +15.1% | 370,160 | -4.3% | 0.00% | 0.0% |
| Q3 2020 | $3,863,000 | -14.4% | 386,627 | -10.4% | 0.00% | 0.0% |
| Q2 2020 | $4,512,000 | -18.1% | 431,341 | -16.2% | 0.00% | -50.0% |
| Q1 2020 | $5,509,000 | -32.4% | 514,846 | -0.0% | 0.00% | 0.0% |
| Q4 2019 | $8,150,000 | +110.4% | 514,866 | +4.2% | 0.00% | +100.0% |
| Q3 2019 | $3,873,000 | -29.6% | 494,050 | -5.1% | 0.00% | 0.0% |
| Q2 2019 | $5,504,000 | -6.4% | 520,811 | +7.4% | 0.00% | 0.0% |
| Q1 2019 | $5,883,000 | +17.5% | 485,034 | -0.2% | 0.00% | 0.0% |
| Q4 2018 | $5,007,000 | -22.7% | 486,124 | -1.8% | 0.00% | -50.0% |
| Q3 2018 | $6,478,000 | -3.3% | 495,260 | +7.8% | 0.00% | 0.0% |
| Q2 2018 | $6,696,000 | -60.3% | 459,242 | -0.0% | 0.00% | -50.0% |
| Q1 2018 | $16,859,000 | -1.4% | 459,281 | +0.7% | 0.00% | 0.0% |
| Q4 2017 | $17,106,000 | -42.3% | 456,298 | -0.3% | 0.00% | -50.0% |
| Q3 2017 | $29,653,000 | +36.0% | 457,834 | +13.7% | 0.01% | +33.3% |
| Q2 2017 | $21,801,000 | -7.5% | 402,811 | -4.7% | 0.01% | -14.3% |
| Q1 2017 | $23,572,000 | +21.2% | 422,491 | +6.8% | 0.01% | +16.7% |
| Q4 2016 | $19,452,000 | -17.4% | 395,428 | +0.7% | 0.01% | -14.3% |
| Q3 2016 | $23,557,000 | +70.9% | 392,812 | -0.4% | 0.01% | +75.0% |
| Q2 2016 | $13,786,000 | -13.2% | 394,350 | +2.2% | 0.00% | -20.0% |
| Q1 2016 | $15,887,000 | -33.9% | 386,001 | +9.4% | 0.01% | -37.5% |
| Q4 2015 | $24,041,000 | +8.6% | 352,971 | -27.7% | 0.01% | +14.3% |
| Q3 2015 | $22,141,000 | -13.1% | 488,340 | +0.9% | 0.01% | -12.5% |
| Q2 2015 | $25,493,000 | +57.4% | 484,021 | +14.0% | 0.01% | +60.0% |
| Q1 2015 | $16,194,000 | +90.1% | 424,632 | +3.5% | 0.01% | +66.7% |
| Q4 2014 | $8,520,000 | -2.9% | 410,417 | +3.7% | 0.00% | 0.0% |
| Q3 2014 | $8,770,000 | +115.4% | 395,801 | +119.2% | 0.00% | +200.0% |
| Q2 2014 | $4,071,000 | -44.6% | 180,558 | -5.8% | 0.00% | -50.0% |
| Q1 2014 | $7,344,000 | +40.0% | 191,702 | -3.1% | 0.00% | 0.0% |
| Q4 2013 | $5,244,000 | +68.7% | 197,770 | +28.7% | 0.00% | +100.0% |
| Q3 2013 | $3,109,000 | +349.9% | 153,705 | +187.6% | 0.00% | – |
| Q2 2013 | $691,000 | – | 53,437 | – | 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% |