PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 148 filers reported holding PROTHENA CORP PLC in Q1 2018. The put-call ratio across all filers is 0.26 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,742,675 | +34.1% | 56,843 | +34.7% | 0.07% | +23.2% |
| Q1 2023 | $2,045,434 | +8.7% | 42,200 | +35.1% | 0.06% | +5.7% |
| Q4 2022 | $1,882,029 | +549.0% | 31,237 | +432.5% | 0.05% | +194.4% |
| Q4 2021 | $290,000 | -23.1% | 5,866 | -19.9% | 0.02% | -43.8% |
| Q2 2021 | $377,000 | -19.8% | 7,326 | -84.4% | 0.03% | +6.7% |
| Q3 2020 | $470,000 | -17.0% | 47,039 | -13.1% | 0.03% | -23.1% |
| Q2 2020 | $566,000 | +180.2% | 54,141 | +175.4% | 0.04% | +200.0% |
| Q4 2018 | $202,000 | -32.9% | 19,657 | -14.5% | 0.01% | -43.5% |
| Q3 2018 | $301,000 | -69.0% | 22,999 | -13.1% | 0.02% | -66.2% |
| Q1 2018 | $972,000 | +159.9% | 26,465 | +247.6% | 0.07% | +15.3% |
| Q4 2016 | $374,000 | +47.8% | 7,613 | +80.7% | 0.06% | +5.4% |
| Q3 2016 | $253,000 | -64.6% | 4,213 | -79.4% | 0.06% | -40.4% |
| Q2 2016 | $714,000 | +138.0% | 20,419 | +179.9% | 0.09% | +168.6% |
| Q1 2016 | $300,000 | -26.3% | 7,295 | -62.8% | 0.04% | -51.4% |
| Q4 2014 | $407,000 | – | 19,636 | – | 0.07% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Woodford Investment Management Ltd | 10,304,751 | $360,254,000 | 16.93% |
| Palo Alto Investors LP | 788,618 | $27,570,000 | 2.08% |
| Redmile Group, LLC | 487,406 | $17,040,000 | 1.63% |
| TURNER INVESTMENTS LLC | 78,870 | $2,757,000 | 0.86% |
| Rock Springs Capital Management LP | 308,000 | $10,768,000 | 0.80% |
| SECTORAL ASSET MANAGEMENT INC | 174,746 | $6,109,000 | 0.63% |
| BB BIOTECH AG | 350,000 | $12,236,000 | 0.48% |
| MARINER INVESTMENT GROUP LLC | 33,104 | $1,157,000 | 0.39% |
| PINNACLE ASSOCIATES LTD | 436,417 | $15,257,000 | 0.33% |
| OAK RIDGE INVESTMENTS LLC | 364,250 | $12,734,000 | 0.33% |