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 | $1,857,722 | -27.9% | 38,502 | +2.0% | 0.00% | 0.0% |
| Q2 2023 | $2,577,433 | +46.3% | 37,748 | +3.8% | 0.00% | 0.0% |
| Q1 2023 | $1,762,320 | +71.7% | 36,359 | +113.4% | 0.00% | – |
| Q4 2022 | $1,026,298 | -0.1% | 17,034 | +0.6% | 0.00% | – |
| Q3 2022 | $1,027,000 | +135.0% | 16,932 | +5.4% | 0.00% | – |
| Q2 2022 | $437,000 | -18.6% | 16,069 | +9.5% | 0.00% | – |
| Q1 2022 | $537,000 | -24.7% | 14,675 | +1.6% | 0.00% | – |
| Q4 2021 | $713,000 | -28.8% | 14,448 | +2.6% | 0.00% | – |
| Q3 2021 | $1,002,000 | +144.4% | 14,082 | +76.3% | 0.00% | – |
| Q2 2021 | $410,000 | +129.1% | 7,987 | +12.1% | 0.00% | – |
| Q1 2021 | $179,000 | +123.8% | 7,128 | +7.2% | 0.00% | – |
| Q4 2020 | $80,000 | +21.2% | 6,649 | 0.0% | 0.00% | – |
| Q3 2020 | $66,000 | -21.4% | 6,649 | -17.3% | 0.00% | – |
| Q2 2020 | $84,000 | -11.6% | 8,036 | -9.6% | 0.00% | – |
| Q1 2020 | $95,000 | -43.1% | 8,894 | -15.8% | 0.00% | – |
| Q4 2019 | $167,000 | +101.2% | 10,560 | 0.0% | 0.00% | – |
| Q3 2019 | $83,000 | 0.0% | 10,560 | +34.6% | 0.00% | – |
| Q2 2019 | $83,000 | -12.6% | 7,846 | 0.0% | 0.00% | – |
| Q1 2019 | $95,000 | -37.1% | 7,846 | -46.3% | 0.00% | – |
| Q4 2018 | $151,000 | -15.2% | 14,611 | +7.5% | 0.00% | – |
| Q3 2018 | $178,000 | -10.1% | 13,587 | 0.0% | 0.00% | – |
| Q2 2018 | $198,000 | -61.9% | 13,587 | -4.1% | 0.00% | – |
| Q1 2018 | $520,000 | -17.5% | 14,169 | -15.6% | 0.00% | – |
| Q4 2017 | $630,000 | -38.2% | 16,787 | +6.5% | 0.00% | -100.0% |
| Q3 2017 | $1,020,000 | +37.8% | 15,761 | +15.0% | 0.00% | 0.0% |
| Q2 2017 | $740,000 | +5.7% | 13,708 | +8.9% | 0.00% | 0.0% |
| Q1 2017 | $700,000 | +11.3% | 12,588 | -1.2% | 0.00% | 0.0% |
| Q4 2016 | $629,000 | – | 12,743 | – | 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% |