PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 146 filers reported holding PROTHENA CORP PLC in Q1 2021. The put-call ratio across all filers is 0.25 and the average weighting 0.2%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $360,138 | -20.9% | 7,464 | +12.0% | 0.00% | 0.0% |
Q2 2023 | $455,223 | +61.8% | 6,667 | +14.8% | 0.00% | +100.0% |
Q1 2023 | $281,368 | -13.3% | 5,805 | +7.8% | 0.00% | -50.0% |
Q4 2022 | $324,507 | +27.3% | 5,386 | +28.0% | 0.00% | 0.0% |
Q3 2022 | $255,000 | +34.2% | 4,208 | -39.9% | 0.00% | +100.0% |
Q2 2022 | $190,000 | -25.8% | 7,006 | 0.0% | 0.00% | 0.0% |
Q1 2022 | $256,000 | -36.9% | 7,006 | -14.8% | 0.00% | -50.0% |
Q4 2021 | $406,000 | +18.4% | 8,226 | +71.0% | 0.00% | 0.0% |
Q3 2021 | $343,000 | +220.6% | 4,811 | +130.5% | 0.00% | +100.0% |
Q2 2021 | $107,000 | +105.8% | 2,087 | 0.0% | 0.00% | – |
Q1 2021 | $52,000 | +108.0% | 2,087 | 0.0% | 0.00% | – |
Q4 2020 | $25,000 | +19.0% | 2,087 | 0.0% | 0.00% | – |
Q3 2020 | $21,000 | -4.5% | 2,087 | 0.0% | 0.00% | – |
Q2 2020 | $22,000 | 0.0% | 2,087 | 0.0% | 0.00% | – |
Q1 2020 | $22,000 | -33.3% | 2,087 | 0.0% | 0.00% | – |
Q4 2019 | $33,000 | +106.2% | 2,087 | 0.0% | 0.00% | – |
Q3 2019 | $16,000 | -27.3% | 2,087 | 0.0% | 0.00% | – |
Q2 2019 | $22,000 | -12.0% | 2,087 | 0.0% | 0.00% | – |
Q1 2019 | $25,000 | -24.2% | 2,087 | -34.8% | 0.00% | – |
Q4 2018 | $33,000 | -21.4% | 3,200 | 0.0% | 0.00% | – |
Q3 2018 | $42,000 | -10.6% | 3,200 | 0.0% | 0.00% | – |
Q2 2018 | $47,000 | -59.8% | 3,200 | 0.0% | 0.00% | -100.0% |
Q1 2018 | $117,000 | -2.5% | 3,200 | 0.0% | 0.00% | 0.0% |
Q4 2017 | $120,000 | -22.1% | 3,200 | +34.7% | 0.00% | 0.0% |
Q3 2017 | $154,000 | +19.4% | 2,375 | 0.0% | 0.00% | 0.0% |
Q2 2017 | $129,000 | +180.4% | 2,375 | +187.5% | 0.00% | – |
Q1 2017 | $46,000 | +12.2% | 826 | 0.0% | 0.00% | – |
Q4 2016 | $41,000 | -18.0% | 826 | 0.0% | 0.00% | -100.0% |
Q3 2016 | $50,000 | +100.0% | 826 | +16.5% | 0.00% | – |
Q2 2016 | $25,000 | -13.8% | 709 | 0.0% | 0.00% | – |
Q1 2016 | $29,000 | -39.6% | 709 | 0.0% | 0.00% | -100.0% |
Q4 2015 | $48,000 | +242.9% | 709 | +122.3% | 0.00% | – |
Q3 2015 | $14,000 | +55.6% | 319 | +85.5% | 0.00% | – |
Q2 2015 | $9,000 | – | 172 | – | 0.00% | – |
Download |
Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
EcoR1 Capital, LLC | 11,584,280 | $697,952,870 | 21.24% |
Prosight Management, LP | 330,000 | $19,882,500 | 10.84% |
First Light Asset Management, LLC | 1,535,599 | $92,519,840 | 8.59% |
Palo Alto Investors LP | 1,658,577 | $99,929,264 | 8.52% |
Finepoint Capital LP | 322,900 | $19,455 | 6.29% |
Birchview Capital, LP | 127,195 | $7,663 | 5.41% |
Avidity Partners Management LP | 2,953,000 | $177,918,250 | 3.85% |
DCF Advisers, LLC | 74,100 | $4,464,525 | 3.02% |
PFM Health Sciences, LP | 875,464 | $52,746,706 | 1.89% |
SECTORAL ASSET MANAGEMENT INC | 115,200 | $6,940,800 | 1.34% |