PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 175 filers reported holding PROTHENA CORP PLC in Q1 2022. The put-call ratio across all filers is 0.32 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $5,076,672 | +173.3% | 105,216 | +286.7% | 0.01% | +250.0% |
| Q2 2023 | $1,857,694 | -31.6% | 27,207 | -51.4% | 0.00% | -50.0% |
| Q1 2023 | $2,715,532 | +77.4% | 56,025 | +120.5% | 0.00% | +100.0% |
| Q4 2022 | $1,531,013 | -99.9% | 25,411 | -33.8% | 0.00% | -50.0% |
| Q3 2022 | $2,328,616,000 | +933.5% | 38,407 | +362.8% | 0.00% | – |
| Q2 2022 | $225,318,000 | +100.5% | 8,299 | +170.1% | 0.00% | – |
| Q1 2022 | $112,380,000 | -72.7% | 3,073 | -63.1% | 0.00% | -100.0% |
| Q4 2021 | $411,255,000 | -14.5% | 8,325 | +23.3% | 0.00% | 0.0% |
| Q3 2021 | $481,087,000 | +651.0% | 6,754 | +442.1% | 0.00% | – |
| Q2 2021 | $64,057,000 | -85.5% | 1,246 | -92.9% | 0.00% | -100.0% |
| Q1 2021 | $442,012,000 | +505.1% | 17,596 | +189.3% | 0.00% | – |
| Q4 2020 | $73,045,000 | -27.0% | 6,082 | -39.3% | 0.00% | – |
| Q3 2020 | $100,120,000 | +71.8% | 10,022 | +79.9% | 0.00% | – |
| Q2 2020 | $58,283,000 | -68.3% | 5,572 | -67.6% | 0.00% | – |
| Q1 2020 | $183,805,000 | +58.6% | 17,178 | +134.6% | 0.00% | – |
| Q4 2019 | $115,923,000 | +63.3% | 7,323 | -19.1% | 0.00% | – |
| Q3 2019 | $71,007,000 | -6.3% | 9,057 | +26.3% | 0.00% | – |
| Q2 2019 | $75,808,000 | -43.5% | 7,172 | -35.2% | 0.00% | – |
| Q1 2019 | $134,170,000 | +382.3% | 11,061 | +309.5% | 0.00% | – |
| Q4 2018 | $27,820,000 | -46.9% | 2,701 | -32.6% | 0.00% | – |
| Q3 2018 | $52,412,000 | -10.3% | 4,007 | 0.0% | 0.00% | – |
| Q2 2018 | $58,422,000 | -85.4% | 4,007 | -63.2% | 0.00% | -100.0% |
| Q1 2018 | $399,331,000 | +0.3% | 10,878 | +2.4% | 0.00% | 0.0% |
| Q4 2017 | $398,069,000 | -10.2% | 10,618 | +55.1% | 0.00% | 0.0% |
| Q3 2017 | $443,351,000 | +19.5% | 6,845 | -0.2% | 0.00% | 0.0% |
| Q2 2017 | $371,155,000 | +137.0% | 6,858 | +144.3% | 0.00% | – |
| Q1 2017 | $156,603,000 | -3.7% | 2,807 | -15.1% | 0.00% | -100.0% |
| Q4 2016 | $162,671,000 | -46.7% | 3,307 | -35.0% | 0.00% | 0.0% |
| Q3 2016 | $305,307,000 | +116.2% | 5,091 | +26.0% | 0.00% | 0.0% |
| Q2 2016 | $141,203,000 | +27.3% | 4,039 | +49.9% | 0.00% | – |
| Q1 2016 | $110,926,000 | -86.2% | 2,695 | -77.2% | 0.00% | -100.0% |
| Q4 2015 | $805,060,000 | -65.4% | 11,820 | -77.0% | 0.00% | -66.7% |
| Q3 2015 | $2,327,710,000 | +737.8% | 51,339 | +873.3% | 0.01% | +500.0% |
| Q2 2015 | $277,834,000 | +120.5% | 5,275 | +59.7% | 0.00% | – |
| Q1 2015 | $125,976,000 | +127.1% | 3,303 | +23.6% | 0.00% | – |
| Q4 2014 | $55,471,000 | -44.4% | 2,672 | -40.7% | 0.00% | – |
| Q3 2014 | $99,831,000 | -7.9% | 4,505 | -6.3% | 0.00% | – |
| Q2 2014 | $108,443,000 | +3.9% | 4,809 | +1.4% | 0.00% | – |
| Q1 2014 | $104,324,000 | -20.1% | 4,742 | -3.7% | 0.00% | – |
| Q4 2013 | $130,638,000 | – | 4,926 | – | 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% |