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 | $11,373,000 | -55.4% | 309,819 | -54.5% | 0.09% | -54.9% |
| Q4 2017 | $25,518,000 | -36.8% | 680,659 | +9.2% | 0.20% | -37.1% |
| Q3 2017 | $40,383,000 | +9.1% | 623,489 | -8.9% | 0.31% | -1.9% |
| Q2 2017 | $37,027,000 | +177.5% | 684,160 | +186.0% | 0.32% | +174.8% |
| Q1 2017 | $13,345,000 | -17.4% | 239,194 | -27.1% | 0.12% | -19.0% |
| Q4 2016 | $16,148,000 | -2.8% | 328,275 | +18.4% | 0.14% | +6.0% |
| Q3 2016 | $16,621,000 | +99.9% | 277,150 | +16.5% | 0.13% | +94.2% |
| Q2 2016 | $8,316,000 | +340.9% | 237,880 | +419.0% | 0.07% | +392.9% |
| Q1 2016 | $1,886,000 | -39.6% | 45,830 | 0.0% | 0.01% | -33.3% |
| Q4 2015 | $3,121,000 | -93.0% | 45,830 | -95.4% | 0.02% | -93.4% |
| Q3 2015 | $44,795,000 | -38.9% | 987,979 | -29.1% | 0.32% | -29.1% |
| Q2 2015 | $73,361,000 | +10.9% | 1,392,850 | -19.7% | 0.45% | +17.3% |
| Q1 2015 | $66,170,000 | +195.5% | 1,734,928 | +60.9% | 0.38% | +188.6% |
| Q4 2014 | $22,391,000 | -12.8% | 1,078,550 | -6.9% | 0.13% | -15.9% |
| Q3 2014 | $25,670,000 | +7.2% | 1,158,395 | +9.1% | 0.16% | +10.6% |
| Q2 2014 | $23,944,000 | +21.9% | 1,061,820 | +107.0% | 0.14% | +20.3% |
| Q1 2014 | $19,650,000 | -21.2% | 512,930 | -45.4% | 0.12% | -19.7% |
| Q4 2013 | $24,923,000 | – | 939,780 | – | 0.15% | – |
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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% |