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 | $214,218 | +0.7% | 4,440 | +42.4% | 0.00% | – |
| Q2 2023 | $212,800 | +435.5% | 3,117 | +280.1% | 0.00% | – |
| Q1 2023 | $39,735 | -51.0% | 820 | -39.3% | 0.00% | – |
| Q4 2022 | $81,121 | +11.1% | 1,351 | +10.3% | 0.00% | – |
| Q3 2022 | $73,000 | +121.2% | 1,225 | -1.1% | 0.00% | – |
| Q2 2022 | $33,000 | -75.4% | 1,239 | +292.1% | 0.00% | – |
| Q1 2022 | $134,000 | +605.3% | 316 | -14.6% | 0.00% | – |
| Q4 2021 | $19,000 | -81.2% | 370 | -74.3% | 0.00% | – |
| Q3 2021 | $101,000 | +1583.3% | 1,438 | +1129.1% | 0.00% | – |
| Q2 2021 | $6,000 | +100.0% | 117 | -25.0% | 0.00% | – |
| Q1 2021 | $3,000 | +50.0% | 156 | 0.0% | 0.00% | – |
| Q4 2020 | $2,000 | 0.0% | 156 | -25.0% | 0.00% | – |
| Q3 2020 | $2,000 | 0.0% | 208 | +11.8% | 0.00% | – |
| Q2 2020 | $2,000 | 0.0% | 186 | -14.3% | 0.00% | – |
| Q1 2020 | $2,000 | – | 217 | – | 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% |