PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 130 filers reported holding PROTHENA CORP PLC in Q2 2018. The put-call ratio across all filers is 1.91 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $1,031,000 | +669.4% | 20,870 | +62.5% | 0.00% | – |
| Q2 2020 | $134,000 | -2.2% | 12,844 | 0.0% | 0.00% | – |
| Q1 2020 | $137,000 | -32.5% | 12,844 | 0.0% | 0.00% | -100.0% |
| Q4 2019 | $203,000 | +2.0% | 12,844 | -31.8% | 0.00% | 0.0% |
| Q2 2019 | $199,000 | -85.4% | 18,836 | -82.0% | 0.00% | -75.0% |
| Q3 2018 | $1,365,000 | -3.9% | 104,394 | +7.2% | 0.00% | -20.0% |
| Q2 2018 | $1,420,000 | -60.2% | 97,396 | +0.2% | 0.01% | -58.3% |
| Q1 2018 | $3,567,000 | +123.1% | 97,161 | +127.9% | 0.01% | +140.0% |
| Q4 2017 | $1,599,000 | -42.1% | 42,640 | 0.0% | 0.01% | -50.0% |
| Q3 2017 | $2,762,000 | +19.7% | 42,640 | 0.0% | 0.01% | 0.0% |
| Q2 2017 | $2,307,000 | +11.2% | 42,640 | +14.7% | 0.01% | +11.1% |
| Q1 2017 | $2,074,000 | +31.3% | 37,170 | +15.8% | 0.01% | +28.6% |
| Q4 2016 | $1,579,000 | -18.0% | 32,100 | 0.0% | 0.01% | -22.2% |
| Q3 2016 | $1,925,000 | +71.6% | 32,100 | 0.0% | 0.01% | +80.0% |
| Q2 2016 | $1,122,000 | -15.1% | 32,100 | 0.0% | 0.01% | -16.7% |
| Q1 2016 | $1,321,000 | +49.3% | 32,100 | +146.9% | 0.01% | +50.0% |
| Q4 2015 | $885,000 | – | 13,000 | – | 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% |