PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 157 filers reported holding PROTHENA CORP PLC in Q2 2021. The put-call ratio across all filers is 0.47 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $301,852 | -91.7% | 6,256 | -88.3% | 0.00% | -100.0% |
| Q2 2023 | $3,651,273 | +288.4% | 53,475 | +175.7% | 0.00% | – |
| Q1 2023 | $939,979 | +37.6% | 19,393 | -22.9% | 0.00% | – |
| Q2 2022 | $683,000 | -78.1% | 25,168 | -70.4% | 0.00% | -100.0% |
| Q1 2022 | $3,112,000 | +39.8% | 85,100 | +88.8% | 0.00% | – |
| Q4 2021 | $2,226,000 | -80.8% | 45,068 | -72.4% | 0.00% | -100.0% |
| Q3 2021 | $11,613,000 | +81.5% | 163,049 | +31.0% | 0.00% | +33.3% |
| Q2 2021 | $6,400,000 | +581.6% | 124,500 | +232.9% | 0.00% | – |
| Q1 2021 | $939,000 | +297.9% | 37,400 | +58.5% | 0.00% | – |
| Q3 2020 | $236,000 | -49.8% | 23,592 | -47.5% | 0.00% | – |
| Q2 2020 | $470,000 | +167.0% | 44,900 | +162.4% | 0.00% | – |
| Q4 2018 | $176,000 | +15.8% | 17,111 | +64.3% | 0.00% | – |
| Q2 2018 | $152,000 | -84.5% | 10,417 | -60.9% | 0.00% | -100.0% |
| Q1 2018 | $978,000 | +142.1% | 26,630 | +327.0% | 0.00% | +200.0% |
| Q3 2017 | $404,000 | +38.4% | 6,237 | +15.5% | 0.00% | 0.0% |
| Q2 2017 | $292,000 | -40.0% | 5,400 | -38.2% | 0.00% | -50.0% |
| Q1 2017 | $487,000 | +109.9% | 8,731 | +156.6% | 0.00% | +100.0% |
| Q4 2015 | $232,000 | – | 3,402 | – | 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% |