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 | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $3,570,355 | +66.3% | 59,259 | +67.4% | 0.00% | 0.0% |
| Q3 2022 | $2,146,302 | +2.9% | 35,400 | -53.9% | 0.00% | 0.0% |
| Q2 2022 | $2,085,120 | -25.8% | 76,800 | 0.0% | 0.00% | 0.0% |
| Q1 2022 | $2,808,576 | -26.0% | 76,800 | 0.0% | 0.00% | 0.0% |
| Q4 2021 | $3,794,000 | +635.3% | 76,800 | +57.4% | 0.00% | – |
| Q2 2019 | $516,000 | -64.4% | 48,780 | -59.2% | 0.00% | – |
| Q1 2019 | $1,450,000 | -34.4% | 119,553 | -44.3% | 0.00% | -100.0% |
| Q4 2018 | $2,212,000 | -55.1% | 214,791 | -43.0% | 0.00% | -50.0% |
| Q3 2018 | $4,929,000 | -10.3% | 376,816 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $5,494,000 | -60.3% | 376,816 | 0.0% | 0.00% | -60.0% |
| Q1 2018 | $13,833,000 | +6.0% | 376,816 | +8.3% | 0.01% | 0.0% |
| Q4 2017 | $13,047,000 | -42.1% | 348,016 | 0.0% | 0.01% | -44.4% |
| Q3 2017 | $22,541,000 | +33.9% | 348,016 | +11.9% | 0.01% | +28.6% |
| Q2 2017 | $16,829,000 | -16.1% | 310,957 | -13.5% | 0.01% | -12.5% |
| Q1 2017 | $20,052,000 | +9.7% | 359,426 | -3.3% | 0.01% | 0.0% |
| Q4 2016 | $18,277,000 | -14.1% | 371,553 | 0.0% | 0.01% | -20.0% |
| Q3 2016 | $21,282,000 | +84.5% | 371,553 | +12.6% | 0.01% | +100.0% |
| Q2 2016 | $11,538,000 | -15.1% | 330,053 | 0.0% | 0.01% | -28.6% |
| Q1 2016 | $13,585,000 | -42.7% | 330,053 | -5.2% | 0.01% | -41.7% |
| Q4 2015 | $23,716,000 | +101.9% | 348,206 | +34.4% | 0.01% | +100.0% |
| Q3 2015 | $11,746,000 | +17.8% | 259,077 | +36.9% | 0.01% | +20.0% |
| Q2 2015 | $9,968,000 | +38.1% | 189,264 | 0.0% | 0.01% | +25.0% |
| Q1 2015 | $7,219,000 | +83.2% | 189,264 | -0.3% | 0.00% | +100.0% |
| Q4 2014 | $3,941,000 | -28.8% | 189,861 | -24.0% | 0.00% | -33.3% |
| Q3 2014 | $5,539,000 | -50.9% | 249,946 | -50.0% | 0.00% | 0.0% |
| Q2 2014 | $11,274,000 | +15.7% | 499,892 | +96.6% | 0.00% | -40.0% |
| Q1 2014 | $9,743,000 | +41.1% | 254,331 | -2.3% | 0.01% | +25.0% |
| Q4 2013 | $6,903,000 | -2.5% | 260,300 | -25.6% | 0.00% | 0.0% |
| Q3 2013 | $7,081,000 | +56.7% | 350,012 | 0.0% | 0.00% | +33.3% |
| Q2 2013 | $4,518,000 | +93.0% | 350,012 | 0.0% | 0.00% | +50.0% |
| Q1 2013 | $2,341,000 | – | 350,012 | – | 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% |