PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 141 filers reported holding PROTHENA CORP PLC in Q4 2019. The put-call ratio across all filers is 0.03 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $393,000 | +289.1% | 7,961 | +456.7% | 0.00% | – |
| Q3 2021 | $101,000 | -93.9% | 1,430 | -97.8% | 0.00% | -100.0% |
| Q1 2021 | $1,659,000 | -21.7% | 66,043 | -62.6% | 0.01% | -25.0% |
| Q4 2020 | $2,119,000 | +1.0% | 176,439 | -16.0% | 0.01% | -11.1% |
| Q3 2020 | $2,099,000 | -11.1% | 210,017 | -7.1% | 0.01% | -10.0% |
| Q2 2020 | $2,362,000 | +5.0% | 225,956 | +7.5% | 0.01% | -23.1% |
| Q1 2020 | $2,249,000 | +26.5% | 210,254 | +87.2% | 0.01% | +62.5% |
| Q4 2019 | $1,778,000 | +308.7% | 112,338 | +102.2% | 0.01% | +300.0% |
| Q3 2019 | $435,000 | -37.6% | 55,569 | -15.8% | 0.00% | -33.3% |
| Q2 2019 | $697,000 | +10.1% | 66,017 | +26.5% | 0.00% | 0.0% |
| Q1 2019 | $633,000 | +300.6% | 52,168 | +1156.5% | 0.00% | +200.0% |
| Q1 2015 | $158,000 | +83.7% | 4,152 | 0.0% | 0.00% | – |
| Q4 2014 | $86,000 | -29.5% | 4,152 | -24.5% | 0.00% | -100.0% |
| Q3 2014 | $122,000 | -17.0% | 5,502 | -24.5% | 0.00% | 0.0% |
| Q3 2013 | $147,000 | – | 7,290 | – | 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% |