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 | $12,078,085 | -8.2% | 250,323 | +29.9% | 0.00% | -33.3% |
| Q2 2023 | $13,153,118 | +20.6% | 192,635 | -14.4% | 0.00% | +50.0% |
| Q1 2023 | $10,909,482 | -16.2% | 225,077 | +4.2% | 0.00% | -33.3% |
| Q4 2022 | $13,017,314 | -19.4% | 216,055 | -18.9% | 0.00% | -25.0% |
| Q3 2022 | $16,160,000 | +120.3% | 266,537 | -1.3% | 0.00% | +100.0% |
| Q2 2022 | $7,335,000 | -22.4% | 270,184 | +4.5% | 0.00% | 0.0% |
| Q1 2022 | $9,455,000 | -10.6% | 258,563 | +20.8% | 0.00% | 0.0% |
| Q4 2021 | $10,577,000 | +95.6% | 214,116 | +182.1% | 0.00% | +100.0% |
| Q3 2021 | $5,408,000 | +43.6% | 75,909 | +3.6% | 0.00% | 0.0% |
| Q2 2021 | $3,766,000 | -70.4% | 73,264 | -85.5% | 0.00% | -66.7% |
| Q1 2021 | $12,730,000 | +129.7% | 506,731 | +9.8% | 0.00% | +200.0% |
| Q4 2020 | $5,541,000 | +0.3% | 461,360 | -16.6% | 0.00% | 0.0% |
| Q3 2020 | $5,526,000 | +13.8% | 553,053 | +19.1% | 0.00% | 0.0% |
| Q2 2020 | $4,858,000 | +11.0% | 464,426 | +13.5% | 0.00% | -50.0% |
| Q1 2020 | $4,378,000 | -41.1% | 409,099 | -12.8% | 0.00% | 0.0% |
| Q4 2019 | $7,427,000 | +163.5% | 469,225 | +30.5% | 0.00% | +100.0% |
| Q3 2019 | $2,819,000 | -45.1% | 359,580 | -25.9% | 0.00% | 0.0% |
| Q2 2019 | $5,132,000 | +3.7% | 485,574 | +19.0% | 0.00% | 0.0% |
| Q1 2019 | $4,948,000 | +28.5% | 407,925 | +9.1% | 0.00% | 0.0% |
| Q4 2018 | $3,851,000 | -24.2% | 373,902 | -3.7% | 0.00% | 0.0% |
| Q3 2018 | $5,078,000 | +42.4% | 388,210 | +58.7% | 0.00% | 0.0% |
| Q2 2018 | $3,566,000 | -60.4% | 244,558 | -0.2% | 0.00% | -50.0% |
| Q1 2018 | $8,995,000 | +35.7% | 244,999 | +38.5% | 0.00% | +100.0% |
| Q4 2017 | $6,631,000 | -68.6% | 176,874 | -45.8% | 0.00% | -80.0% |
| Q3 2017 | $21,135,000 | +2.5% | 326,296 | -14.4% | 0.01% | 0.0% |
| Q2 2017 | $20,624,000 | -0.8% | 381,097 | +2.3% | 0.01% | 0.0% |
| Q1 2017 | $20,785,000 | +422.5% | 372,554 | +360.5% | 0.01% | +400.0% |
| Q4 2016 | $3,978,000 | -40.7% | 80,894 | -27.7% | 0.00% | 0.0% |
| Q3 2016 | $6,706,000 | +120.2% | 111,828 | +28.4% | 0.00% | 0.0% |
| Q2 2016 | $3,046,000 | -56.7% | 87,118 | -49.1% | 0.00% | -66.7% |
| Q1 2016 | $7,042,000 | +27.0% | 171,093 | +110.2% | 0.00% | +200.0% |
| Q4 2015 | $5,545,000 | +212.6% | 81,412 | +108.1% | 0.00% | – |
| Q3 2015 | $1,774,000 | -32.9% | 39,119 | -22.1% | 0.00% | – |
| Q2 2015 | $2,645,000 | +26.9% | 50,207 | -8.2% | 0.00% | -100.0% |
| Q1 2015 | $2,085,000 | -40.9% | 54,676 | -67.8% | 0.00% | – |
| Q4 2014 | $3,529,000 | -30.0% | 169,990 | -25.2% | 0.00% | -100.0% |
| Q3 2014 | $5,039,000 | +78.9% | 227,385 | +82.1% | 0.00% | – |
| Q2 2014 | $2,816,000 | +127.3% | 124,846 | +285.7% | 0.00% | – |
| Q1 2014 | $1,239,000 | -52.1% | 32,366 | -66.8% | 0.00% | -100.0% |
| Q4 2013 | $2,587,000 | +1477.4% | 97,504 | +665.9% | 0.00% | – |
| Q2 2013 | $164,000 | – | 12,731 | – | 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% |