PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 88 filers reported holding PROTHENA CORP PLC in Q3 2013. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $1,185,851 | -68.8% | 57,454 | -45.1% | 0.00% | -100.0% |
| Q4 2023 | $3,799,856 | -46.8% | 104,564 | 0.0% | 0.00% | 0.0% |
| Q2 2023 | $7,139,630 | -32.7% | 104,564 | -52.2% | 0.00% | -50.0% |
| Q1 2023 | $10,605,915 | +197.1% | 218,814 | +269.3% | 0.00% | +100.0% |
| 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% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 11,284,280 | $580,125,000 | 21.68% |
| Prosight Management, LP | 422,000 | $21,695,000 | 13.57% |
| First Light Asset Management, LLC | 1,927,829 | $99,110,000 | 5.95% |
| Palo Alto Investors LP | 1,731,482 | $89,015,000 | 4.90% |
| DCF Advisers, LLC | 61,750 | $3,175,000 | 1.12% |
| APOGEM CAPITAL LLC | 32,104 | $1,650,000 | 1.05% |
| EAM Global Investors LLC | 70,255 | $3,612,000 | 1.00% |
| Rock Springs Capital Management LP | 950,091 | $48,844,000 | 0.96% |
| Atika Capital Management LLC | 234,000 | $12,030,000 | 0.95% |
| Birchview Capital, LP | 30,247 | $1,555,000 | 0.93% |