PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 130 filers reported holding PROTHENA CORP PLC in Q1 2020. The put-call ratio across all filers is 0.26 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $315,000 | -22.8% | 4,420 | -88.7% | 0.02% | -17.9% |
| Q2 2020 | $408,000 | +77.4% | 39,000 | +81.4% | 0.03% | +55.6% |
| Q1 2020 | $230,000 | -32.4% | 21,500 | 0.0% | 0.02% | -14.3% |
| Q4 2019 | $340,000 | +16.0% | 21,500 | -42.5% | 0.02% | +23.5% |
| Q3 2019 | $293,000 | -50.3% | 37,388 | -33.0% | 0.02% | -51.4% |
| Q2 2019 | $590,000 | -17.4% | 55,803 | -5.3% | 0.04% | -12.5% |
| Q1 2019 | $714,000 | -44.8% | 58,903 | +2.7% | 0.04% | +17.6% |
| Q2 2014 | $1,293,000 | – | 57,331 | – | 0.03% | – |
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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% |