PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 197 filers reported holding PROTHENA CORP PLC in Q2 2023. The put-call ratio across all filers is 1.55 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $893,059 | -32.2% | 18,509 | -4.0% | 0.00% | -33.3% |
| Q2 2023 | $1,316,848 | +272.6% | 19,286 | +164.5% | 0.00% | +200.0% |
| Q1 2023 | $353,395 | +15.5% | 7,291 | -12.8% | 0.00% | 0.0% |
| Q1 2022 | $306,000 | -37.6% | 8,363 | -15.7% | 0.00% | 0.0% |
| Q4 2021 | $490,000 | -48.5% | 9,917 | -25.7% | 0.00% | -50.0% |
| Q3 2021 | $951,000 | +275.9% | 13,346 | +171.4% | 0.00% | – |
| Q2 2021 | $253,000 | +4.5% | 4,917 | -70.4% | 0.00% | – |
| Q2 2018 | $242,000 | -82.8% | 16,630 | -56.7% | 0.00% | -100.0% |
| Q1 2018 | $1,411,000 | -2.1% | 38,450 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $1,441,000 | -45.6% | 38,450 | -6.0% | 0.00% | -33.3% |
| Q3 2017 | $2,649,000 | +17.2% | 40,889 | -2.1% | 0.00% | 0.0% |
| Q2 2017 | $2,260,000 | +11.6% | 41,757 | +15.0% | 0.00% | 0.0% |
| Q1 2017 | $2,025,000 | +13.1% | 36,301 | -0.3% | 0.00% | +50.0% |
| Q4 2016 | $1,790,000 | -19.4% | 36,407 | -1.7% | 0.00% | -33.3% |
| Q3 2016 | $2,220,000 | +267.5% | 37,018 | +114.3% | 0.00% | +200.0% |
| Q2 2016 | $604,000 | -26.4% | 17,277 | -13.4% | 0.00% | 0.0% |
| Q1 2016 | $821,000 | -48.7% | 19,952 | -15.1% | 0.00% | -66.7% |
| Q4 2015 | $1,601,000 | +403.5% | 23,502 | +235.2% | 0.00% | +200.0% |
| Q3 2015 | $318,000 | – | 7,012 | – | 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% |