PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 138 filers reported holding PROTHENA CORP PLC in Q2 2019. The put-call ratio across all filers is 0.81 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $24,095,165 | -31.4% | 499,382 | -2.9% | 0.01% | -28.6% |
| Q2 2023 | $35,111,798 | +341.5% | 514,233 | +213.4% | 0.01% | +250.0% |
| Q1 2023 | $7,953,528 | -3.6% | 164,092 | +19.8% | 0.00% | 0.0% |
| Q4 2022 | $8,254,056 | -2.9% | 136,997 | -2.3% | 0.00% | 0.0% |
| Q3 2022 | $8,501,000 | +162.3% | 140,192 | +17.4% | 0.00% | +100.0% |
| Q2 2022 | $3,241,000 | -42.6% | 119,364 | -22.6% | 0.00% | 0.0% |
| Q1 2022 | $5,642,000 | -25.1% | 154,281 | +1.2% | 0.00% | 0.0% |
| Q4 2021 | $7,531,000 | -23.0% | 152,460 | +11.1% | 0.00% | -50.0% |
| Q3 2021 | $9,779,000 | +40.4% | 137,287 | +1.4% | 0.00% | +100.0% |
| Q2 2021 | $6,963,000 | +113.2% | 135,455 | +4.2% | 0.00% | 0.0% |
| Q1 2021 | $3,266,000 | +95.0% | 130,000 | -6.8% | 0.00% | – |
| Q4 2020 | $1,675,000 | +12.8% | 139,522 | -6.2% | 0.00% | – |
| Q3 2020 | $1,485,000 | -11.0% | 148,682 | -6.8% | 0.00% | – |
| Q2 2020 | $1,668,000 | -53.1% | 159,549 | -52.0% | 0.00% | -100.0% |
| Q1 2020 | $3,557,000 | -33.2% | 332,440 | -1.2% | 0.00% | 0.0% |
| Q4 2019 | $5,327,000 | +103.6% | 336,512 | +0.8% | 0.00% | 0.0% |
| Q3 2019 | $2,617,000 | -27.0% | 333,829 | -1.6% | 0.00% | 0.0% |
| Q2 2019 | $3,587,000 | -18.2% | 339,312 | -6.1% | 0.00% | 0.0% |
| Q1 2019 | $4,384,000 | +14.1% | 361,488 | -3.1% | 0.00% | 0.0% |
| Q4 2018 | $3,842,000 | +43.9% | 373,072 | +82.9% | 0.00% | 0.0% |
| Q3 2018 | $2,669,000 | -2.7% | 204,002 | +8.5% | 0.00% | 0.0% |
| Q2 2018 | $2,742,000 | -58.3% | 188,095 | +4.9% | 0.00% | -50.0% |
| Q1 2018 | $6,580,000 | -0.2% | 179,253 | +1.9% | 0.00% | 0.0% |
| Q4 2017 | $6,592,000 | -45.1% | 175,848 | -5.2% | 0.00% | -33.3% |
| Q3 2017 | $12,010,000 | +19.7% | 185,420 | -0.0% | 0.00% | 0.0% |
| Q2 2017 | $10,037,000 | +4.6% | 185,462 | +7.8% | 0.00% | 0.0% |
| Q1 2017 | $9,594,000 | +20.7% | 171,970 | +6.4% | 0.00% | +50.0% |
| Q4 2016 | $7,947,000 | -17.1% | 161,573 | +1.0% | 0.00% | -33.3% |
| Q3 2016 | $9,591,000 | +68.6% | 159,944 | -1.7% | 0.00% | +50.0% |
| Q2 2016 | $5,687,000 | -14.1% | 162,670 | +1.2% | 0.00% | 0.0% |
| Q1 2016 | $6,617,000 | -40.4% | 160,753 | -1.3% | 0.00% | -33.3% |
| Q4 2015 | $11,097,000 | +47.6% | 162,937 | -1.7% | 0.00% | +50.0% |
| Q3 2015 | $7,518,000 | -26.0% | 165,804 | -14.0% | 0.00% | -33.3% |
| Q2 2015 | $10,160,000 | +75.5% | 192,900 | +27.1% | 0.00% | +50.0% |
| Q1 2015 | $5,789,000 | +100.0% | 151,785 | +8.9% | 0.00% | +100.0% |
| Q4 2014 | $2,895,000 | +5.1% | 139,438 | +12.2% | 0.00% | 0.0% |
| Q3 2014 | $2,754,000 | -37.3% | 124,298 | -36.2% | 0.00% | 0.0% |
| Q2 2014 | $4,394,000 | +33.6% | 194,882 | +127.0% | 0.00% | 0.0% |
| Q1 2014 | $3,289,000 | +72.3% | 85,837 | +19.3% | 0.00% | 0.0% |
| Q4 2013 | $1,909,000 | +75.1% | 71,971 | +33.6% | 0.00% | – |
| Q3 2013 | $1,090,000 | +72.7% | 53,867 | +10.3% | 0.00% | – |
| Q2 2013 | $631,000 | – | 48,835 | – | 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% |