PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 151 filers reported holding PROTHENA CORP PLC in Q1 2017. The put-call ratio across all filers is 2.05 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $1,133,000 | -3.6% | 30,850 | -1.6% | 0.11% | -8.9% |
| Q4 2017 | $1,175,000 | -51.5% | 31,350 | -16.2% | 0.12% | -51.4% |
| Q3 2017 | $2,422,000 | +9.1% | 37,400 | -8.8% | 0.25% | -3.4% |
| Q2 2017 | $2,219,000 | -3.0% | 41,000 | 0.0% | 0.26% | -14.1% |
| Q1 2017 | $2,287,000 | +13.4% | 41,000 | 0.0% | 0.30% | -26.2% |
| Q4 2016 | $2,017,000 | -18.0% | 41,000 | 0.0% | 0.41% | -7.0% |
| Q3 2016 | $2,459,000 | +126.8% | 41,000 | +32.3% | 0.44% | +117.6% |
| Q2 2016 | $1,084,000 | -15.0% | 31,000 | 0.0% | 0.20% | -12.1% |
| Q1 2016 | $1,276,000 | – | 31,000 | – | 0.23% | – |
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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% |