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 2022 | $231,000 | +507.9% | 3,813 | +270.6% | 0.00% | – |
| Q1 2022 | $38,000 | -81.6% | 1,029 | -75.4% | 0.00% | – |
| Q4 2021 | $207,000 | +50.0% | 4,188 | +116.2% | 0.00% | – |
| Q3 2021 | $138,000 | -27.4% | 1,937 | -74.3% | 0.00% | – |
| Q1 2021 | $190,000 | +27.5% | 7,550 | -39.3% | 0.00% | – |
| Q4 2020 | $149,000 | +46.1% | 12,446 | +21.6% | 0.00% | – |
| Q3 2020 | $102,000 | +14.6% | 10,235 | +19.8% | 0.00% | – |
| Q2 2020 | $89,000 | -55.9% | 8,545 | -54.7% | 0.00% | -100.0% |
| Q1 2020 | $202,000 | -53.7% | 18,862 | -31.6% | 0.00% | -33.3% |
| Q4 2019 | $436,000 | +808.3% | 27,558 | +345.6% | 0.00% | – |
| Q3 2019 | $48,000 | -65.7% | 6,184 | -53.5% | 0.00% | -100.0% |
| Q2 2019 | $140,000 | +102.9% | 13,287 | +132.0% | 0.00% | 0.0% |
| Q1 2019 | $69,000 | -82.5% | 5,727 | -85.1% | 0.00% | -66.7% |
| Q4 2018 | $395,000 | -17.4% | 38,384 | +5.1% | 0.00% | -25.0% |
| Q3 2018 | $478,000 | -32.0% | 36,531 | -24.3% | 0.00% | -33.3% |
| Q2 2018 | $703,000 | +11.6% | 48,228 | +181.1% | 0.01% | 0.0% |
| Q1 2018 | $630,000 | +412.2% | 17,159 | +422.0% | 0.01% | +500.0% |
| Q4 2017 | $123,000 | +28.1% | 3,287 | +68.6% | 0.00% | 0.0% |
| Q4 2016 | $96,000 | -95.0% | 1,950 | -94.0% | 0.00% | -95.2% |
| Q3 2016 | $1,933,000 | +515.6% | 32,240 | +258.5% | 0.02% | +425.0% |
| Q2 2016 | $314,000 | +125.9% | 8,992 | +166.6% | 0.00% | +100.0% |
| Q1 2016 | $139,000 | -92.6% | 3,373 | -87.8% | 0.00% | -90.9% |
| Q4 2015 | $1,888,000 | +10.5% | 27,723 | -26.5% | 0.02% | -8.3% |
| Q3 2015 | $1,709,000 | -5.0% | 37,693 | +10.3% | 0.02% | -4.0% |
| Q2 2015 | $1,799,000 | +173.8% | 34,159 | +98.3% | 0.02% | +150.0% |
| Q1 2015 | $657,000 | +265.0% | 17,227 | +98.7% | 0.01% | +233.3% |
| Q4 2014 | $180,000 | -58.2% | 8,669 | -55.4% | 0.00% | -57.1% |
| Q3 2014 | $431,000 | -19.9% | 19,427 | -18.6% | 0.01% | -12.5% |
| Q2 2014 | $538,000 | -23.0% | 23,858 | +30.7% | 0.01% | -33.3% |
| Q1 2014 | $699,000 | +3578.9% | 18,256 | +1867.2% | 0.01% | – |
| Q3 2013 | $19,000 | -64.2% | 928 | -77.2% | 0.00% | -100.0% |
| Q2 2013 | $53,000 | – | 4,075 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,584,280 | $558,941,510 | 18.85% |
| Finepoint Capital LP | 349,300 | $16,853,725 | 8.39% |
| Palo Alto Investors LP | 1,657,458 | $79,972,349 | 7.57% |
| Birchview Capital, LP | 169,574 | $8,181,946 | 6.96% |
| First Light Asset Management, LLC | 1,494,039 | $72,087,382 | 6.85% |
| DCF Advisers, LLC | 82,950 | $4,002,338 | 2.18% |
| Prosight Management, LP | 126,202 | $6,089,247 | 1.93% |
| PFM Health Sciences, LP | 836,571 | $40,364,551 | 1.90% |
| SECTORAL ASSET MANAGEMENT INC | 172,407 | $8,318,638 | 1.62% |
| Boxer Capital, LLC | 625,000 | $30,156,250 | 1.60% |