PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 175 filers reported holding PROTHENA CORP PLC in Q1 2022. The put-call ratio across all filers is 0.32 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $558,941,510 | -29.3% | 11,584,280 | 0.0% | 18.85% | -2.7% |
| Q2 2023 | $790,974,638 | +40.9% | 11,584,280 | 0.0% | 19.38% | +7.2% |
| Q1 2023 | $561,490,052 | -19.6% | 11,584,280 | 0.0% | 18.08% | -14.9% |
| Q4 2022 | $697,952,870 | -0.6% | 11,584,280 | 0.0% | 21.24% | +2.5% |
| Q3 2022 | $702,355,000 | +123.3% | 11,584,280 | 0.0% | 20.73% | +91.0% |
| Q2 2022 | $314,513,000 | -25.8% | 11,584,280 | 0.0% | 10.86% | -18.1% |
| Q1 2022 | $423,637,000 | -24.0% | 11,584,280 | +2.7% | 13.25% | -25.4% |
| Q4 2021 | $557,443,000 | -30.6% | 11,284,280 | 0.0% | 17.76% | -36.5% |
| Q3 2021 | $803,779,000 | +38.6% | 11,284,280 | 0.0% | 27.96% | +29.0% |
| Q2 2021 | $580,125,000 | +104.7% | 11,284,280 | 0.0% | 21.68% | +72.4% |
| Q1 2021 | $283,461,000 | +150.4% | 11,284,280 | +19.7% | 12.57% | +106.6% |
| Q4 2020 | $113,214,000 | +20.2% | 9,426,640 | 0.0% | 6.09% | -9.4% |
| Q3 2020 | $94,172,000 | -4.5% | 9,426,640 | 0.0% | 6.72% | -7.8% |
| Q2 2020 | $98,603,000 | -2.2% | 9,426,640 | 0.0% | 7.28% | -30.9% |
| Q1 2020 | $100,865,000 | -32.4% | 9,426,640 | 0.0% | 10.54% | -21.7% |
| Q4 2019 | $149,224,000 | +101.9% | 9,426,640 | 0.0% | 13.45% | +44.1% |
| Q3 2019 | $73,905,000 | +866.7% | 9,426,640 | +1203.3% | 9.33% | +1107.4% |
| Q2 2019 | $7,645,000 | -13.3% | 723,300 | -0.4% | 0.77% | -4.8% |
| Q1 2019 | $8,813,000 | +2.1% | 726,519 | -13.3% | 0.81% | -6.0% |
| Q4 2018 | $8,634,000 | – | 838,219 | – | 0.86% | – |
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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% |