PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 158 filers reported holding PROTHENA CORP PLC in Q4 2017. The put-call ratio across all filers is 0.87 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $14,684,000 | +11.9% | 400,000 | +14.3% | 0.41% | +9.7% |
| Q4 2017 | $13,122,000 | -42.1% | 350,000 | 0.0% | 0.37% | -41.1% |
| Q3 2017 | $22,670,000 | +19.7% | 350,000 | 0.0% | 0.63% | +8.5% |
| Q2 2017 | $18,942,000 | -3.0% | 350,000 | 0.0% | 0.58% | -9.4% |
| Q1 2017 | $19,527,000 | +13.4% | 350,000 | 0.0% | 0.64% | +0.2% |
| Q4 2016 | $17,217,000 | -18.0% | 350,000 | 0.0% | 0.64% | -13.6% |
| Q3 2016 | $20,990,000 | +71.5% | 350,000 | 0.0% | 0.74% | +52.8% |
| Q2 2016 | $12,236,000 | -15.1% | 350,000 | 0.0% | 0.48% | -15.7% |
| Q1 2016 | $14,406,000 | -33.9% | 350,000 | +9.4% | 0.57% | -6.7% |
| Q4 2015 | $21,795,000 | +50.2% | 320,000 | 0.0% | 0.61% | +33.5% |
| Q3 2015 | $14,509,000 | – | 320,000 | – | 0.46% | – |
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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% |