PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 160 filers reported holding PROTHENA CORP PLC in Q4 2015. The put-call ratio across all filers is 1.22 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2017 | $93,000 | +27.4% | 1,718 | +32.1% | 0.00% | – |
| Q1 2017 | $73,000 | +14.1% | 1,301 | +0.2% | 0.00% | – |
| Q4 2016 | $64,000 | -15.8% | 1,299 | +2.3% | 0.00% | – |
| Q3 2016 | $76,000 | +72.7% | 1,270 | -0.2% | 0.00% | – |
| Q2 2016 | $44,000 | -22.8% | 1,272 | -14.3% | 0.00% | – |
| Q1 2016 | $57,000 | -44.1% | 1,484 | -0.3% | 0.00% | -100.0% |
| Q4 2015 | $102,000 | +684.6% | 1,488 | +418.5% | 0.00% | – |
| Q3 2015 | $13,000 | +62.5% | 287 | +33.5% | 0.00% | – |
| Q1 2015 | $8,000 | +100.0% | 215 | +15.0% | 0.00% | – |
| Q4 2014 | $4,000 | 0.0% | 187 | -6.5% | 0.00% | – |
| Q3 2014 | $4,000 | -20.0% | 200 | -0.5% | 0.00% | – |
| Q2 2014 | $5,000 | -70.6% | 201 | -54.7% | 0.00% | – |
| Q1 2014 | $17,000 | +240.0% | 444 | +120.9% | 0.00% | – |
| Q4 2013 | $5,000 | 0.0% | 201 | -21.2% | 0.00% | – |
| Q3 2013 | $5,000 | +66.7% | 255 | +5.8% | 0.00% | – |
| Q2 2013 | $3,000 | – | 241 | – | 0.00% | – |
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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% |