PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 192 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 | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $889,068 | -90.4% | 43,075 | -88.5% | 0.00% | -100.0% |
| Q1 2024 | $9,292,837 | -12.4% | 375,165 | +28.5% | 0.00% | -25.0% |
| Q4 2023 | $10,606,446 | -17.4% | 291,867 | +9.7% | 0.00% | -33.3% |
| Q3 2023 | $12,836,768 | +17.1% | 266,047 | +17.6% | 0.01% | +20.0% |
| Q2 2023 | $10,964,010 | 0.0% | 226,202 | 0.0% | 0.01% | 0.0% |
| Q1 2023 | $10,964,010 | -20.3% | 226,202 | -0.9% | 0.01% | -28.6% |
| Q4 2022 | $13,759,173 | -99.9% | 228,368 | -6.0% | 0.01% | -12.5% |
| Q3 2022 | $14,733,696,000 | +123.3% | 243,010 | 0.0% | 0.01% | +166.7% |
| Q2 2022 | $6,597,722,000 | -30.6% | 243,010 | -6.5% | 0.00% | -25.0% |
| Q1 2022 | $9,507,248,000 | -26.0% | 259,974 | 0.0% | 0.00% | -20.0% |
| Q4 2021 | $12,842,715,000 | -35.6% | 259,974 | -7.1% | 0.01% | -37.5% |
| Q3 2021 | $19,931,793,000 | -3.6% | 279,823 | -30.4% | 0.01% | -11.1% |
| Q2 2021 | $20,675,456,000 | +133.5% | 402,168 | +14.1% | 0.01% | +125.0% |
| Q1 2021 | $8,855,479,000 | +1942.1% | 352,527 | +876.3% | 0.00% | – |
| Q4 2020 | $433,645,000 | +20.2% | 36,107 | 0.0% | 0.00% | – |
| Q3 2020 | $360,709,000 | -4.5% | 36,107 | 0.0% | 0.00% | – |
| Q2 2020 | $377,679,000 | -16.7% | 36,107 | -14.8% | 0.00% | – |
| Q1 2020 | $453,306,000 | -46.4% | 42,365 | -20.7% | 0.00% | -100.0% |
| Q4 2019 | $845,527,000 | +214.7% | 53,413 | +55.9% | 0.00% | – |
| Q3 2019 | $268,653,000 | -17.5% | 34,267 | +11.2% | 0.00% | – |
| Q2 2019 | $325,715,000 | -1.7% | 30,815 | +12.8% | 0.00% | – |
| Q1 2019 | $331,392,000 | +114.5% | 27,320 | +82.1% | 0.00% | – |
| Q4 2018 | $154,500,000 | -21.3% | 15,000 | 0.0% | 0.00% | – |
| Q3 2018 | $196,200,000 | -10.3% | 15,000 | 0.0% | 0.00% | – |
| Q2 2018 | $218,700,000 | +12312.0% | 15,000 | +31150.0% | 0.00% | – |
| Q1 2018 | $1,762,000 | -2.1% | 48 | 0.0% | 0.00% | – |
| Q4 2017 | $1,800,000 | -42.1% | 48 | 0.0% | 0.00% | – |
| Q3 2017 | $3,109,000 | +19.7% | 48 | 0.0% | 0.00% | – |
| Q2 2017 | $2,598,000 | -3.0% | 48 | 0.0% | 0.00% | – |
| Q1 2017 | $2,678,000 | +133800.0% | 48 | 0.0% | 0.00% | – |
| Q4 2016 | $2,000 | – | 48 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,284,280 | $580,125,000 | 21.68% |
| Prosight Management, LP | 422,000 | $21,695,000 | 13.57% |
| First Light Asset Management, LLC | 1,927,829 | $99,110,000 | 5.95% |
| Palo Alto Investors LP | 1,731,482 | $89,015,000 | 4.90% |
| DCF Advisers, LLC | 61,750 | $3,175,000 | 1.12% |
| APOGEM CAPITAL LLC | 32,104 | $1,650,000 | 1.05% |
| EAM Global Investors LLC | 70,255 | $3,612,000 | 1.00% |
| Rock Springs Capital Management LP | 950,091 | $48,844,000 | 0.96% |
| Atika Capital Management LLC | 234,000 | $12,030,000 | 0.95% |
| Birchview Capital, LP | 30,247 | $1,555,000 | 0.93% |