PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 120 filers reported holding PROTHENA CORP PLC in Q4 2018. The put-call ratio across all filers is 2.81 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $103,334,468 | -31.6% | 2,141,647 | -3.1% | 0.02% | -27.6% |
| Q2 2023 | $150,982,238 | +37.5% | 2,211,222 | -2.4% | 0.03% | +31.8% |
| Q1 2023 | $109,836,800 | +3.3% | 2,266,078 | +28.4% | 0.02% | +4.8% |
| Q4 2022 | $106,334,804 | +306.4% | 1,764,893 | +309.0% | 0.02% | +250.0% |
| Q3 2022 | $26,162,000 | +931.2% | 431,509 | +361.7% | 0.01% | +500.0% |
| Q2 2022 | $2,537,000 | -25.8% | 93,454 | -0.0% | 0.00% | 0.0% |
| Q1 2022 | $3,419,000 | -25.9% | 93,486 | +0.2% | 0.00% | 0.0% |
| Q4 2021 | $4,611,000 | +276.7% | 93,339 | +291.8% | 0.00% | – |
| Q2 2021 | $1,224,000 | +136.8% | 23,821 | +15.7% | 0.00% | – |
| Q1 2021 | $517,000 | -80.8% | 20,589 | -90.8% | 0.00% | – |
| Q4 2020 | $2,699,000 | -55.4% | 224,733 | -62.9% | 0.00% | -100.0% |
| Q3 2020 | $6,056,000 | -36.1% | 606,266 | -33.1% | 0.00% | -50.0% |
| Q2 2020 | $9,473,000 | -4.9% | 905,585 | -2.7% | 0.00% | -33.3% |
| Q1 2020 | $9,960,000 | -35.4% | 930,796 | -4.4% | 0.00% | 0.0% |
| Q4 2019 | $15,417,000 | +87.5% | 973,900 | -7.1% | 0.00% | +50.0% |
| Q3 2019 | $8,221,000 | -31.0% | 1,048,572 | -6.9% | 0.00% | -33.3% |
| Q2 2019 | $11,910,000 | -18.0% | 1,126,789 | -5.9% | 0.00% | 0.0% |
| Q1 2019 | $14,519,000 | -34.1% | 1,196,828 | -44.0% | 0.00% | -50.0% |
| Q4 2018 | $22,029,000 | -49.8% | 2,138,787 | -36.3% | 0.01% | -33.3% |
| Q3 2018 | $43,925,000 | -11.1% | 3,358,261 | -0.9% | 0.01% | -18.2% |
| Q2 2018 | $49,412,000 | -59.5% | 3,389,016 | +2.0% | 0.01% | -60.7% |
| Q1 2018 | $122,029,000 | +1.0% | 3,324,114 | +3.2% | 0.03% | +3.7% |
| Q4 2017 | $120,771,000 | -44.7% | 3,221,394 | -4.4% | 0.03% | -46.0% |
| Q3 2017 | $218,302,000 | +23.2% | 3,370,414 | +3.0% | 0.05% | +19.0% |
| Q2 2017 | $177,126,000 | +0.5% | 3,272,862 | +3.6% | 0.04% | 0.0% |
| Q1 2017 | $176,185,000 | +18.6% | 3,158,012 | +4.6% | 0.04% | +13.5% |
| Q4 2016 | $148,506,000 | -17.8% | 3,019,033 | +0.2% | 0.04% | -17.8% |
| Q3 2016 | $180,685,000 | +62.7% | 3,012,916 | -5.1% | 0.04% | +55.2% |
| Q2 2016 | $111,036,000 | -16.1% | 3,176,098 | -1.3% | 0.03% | -17.1% |
| Q1 2016 | $132,398,000 | -22.1% | 3,216,685 | +29.0% | 0.04% | -20.5% |
| Q4 2015 | $169,853,000 | +49.0% | 2,493,796 | -0.8% | 0.04% | +37.5% |
| Q3 2015 | $113,966,000 | -14.4% | 2,513,569 | -0.5% | 0.03% | -5.9% |
| Q2 2015 | $133,099,000 | +39.5% | 2,527,043 | +1.1% | 0.03% | +36.0% |
| Q1 2015 | $95,378,000 | +83.1% | 2,500,712 | -0.3% | 0.02% | +78.6% |
| Q4 2014 | $52,088,000 | -1.5% | 2,509,042 | +5.1% | 0.01% | -6.7% |
| Q3 2014 | $52,902,000 | -0.8% | 2,387,293 | +1.0% | 0.02% | +7.1% |
| Q2 2014 | $53,313,000 | -14.4% | 2,364,196 | +45.3% | 0.01% | -17.6% |
| Q1 2014 | $62,314,000 | +65.5% | 1,626,583 | +14.6% | 0.02% | +54.5% |
| Q4 2013 | $37,649,000 | +67.1% | 1,419,643 | +27.5% | 0.01% | +57.1% |
| Q3 2013 | $22,532,000 | +0.1% | 1,113,782 | -36.1% | 0.01% | 0.0% |
| Q2 2013 | $22,508,000 | – | 1,743,494 | – | 0.01% | – |
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% |