PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 158 filers reported holding PROTHENA CORP PLC in Q4 2017. The put-call ratio across all filers is 0.87 and the average weighting 0.2%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q2 2024 | $180,000 | +33.3% | 8,704 | +57.9% | 0.00% | – |
Q1 2024 | $135,000 | -62.3% | 5,514 | -44.2% | 0.00% | – |
Q4 2023 | $358,000 | -12.5% | 9,883 | +16.8% | 0.00% | – |
Q3 2023 | $409,000 | -26.7% | 8,463 | +3.5% | 0.00% | – |
Q2 2023 | $558,000 | +18.2% | 8,173 | -16.1% | 0.00% | – |
Q1 2023 | $472,000 | -37.3% | 9,743 | -22.0% | 0.00% | – |
Q4 2022 | $753,000 | +61.2% | 12,497 | +62.3% | 0.00% | – |
Q3 2022 | $467,000 | +34.2% | 7,701 | -40.0% | 0.00% | – |
Q2 2022 | $348,000 | -11.9% | 12,833 | +18.7% | 0.00% | – |
Q1 2022 | $395,000 | -47.8% | 10,807 | -29.4% | 0.00% | – |
Q4 2021 | $756,000 | -18.5% | 15,302 | +17.5% | 0.00% | – |
Q3 2021 | $928,000 | -68.4% | 13,022 | -77.2% | 0.00% | -100.0% |
Q2 2021 | $2,936,000 | +1607.0% | 57,112 | +732.5% | 0.00% | – |
Q1 2021 | $172,000 | +454.8% | 6,860 | +171.0% | 0.00% | – |
Q4 2020 | $31,000 | +244.4% | 2,531 | +197.1% | 0.00% | – |
Q3 2020 | $9,000 | +125.0% | 852 | +157.4% | 0.00% | – |
Q2 2020 | $4,000 | -50.0% | 331 | -55.2% | 0.00% | – |
Q1 2020 | $8,000 | -85.7% | 739 | -78.9% | 0.00% | – |
Q4 2019 | $56,000 | +5500.0% | 3,510 | +1287.4% | 0.00% | – |
Q3 2019 | $1,000 | -92.9% | 253 | -79.7% | 0.00% | – |
Q2 2019 | $14,000 | -48.1% | 1,247 | -45.2% | 0.00% | – |
Q1 2019 | $27,000 | +17.4% | 2,274 | 0.0% | 0.00% | – |
Q4 2018 | $23,000 | -75.0% | 2,274 | -67.9% | 0.00% | – |
Q3 2018 | $92,000 | +8.2% | 7,084 | +21.3% | 0.00% | – |
Q2 2018 | $85,000 | -68.4% | 5,842 | -20.4% | 0.00% | – |
Q1 2018 | $269,000 | -41.1% | 7,337 | -40.0% | 0.00% | – |
Q4 2017 | $457,000 | -73.7% | 12,225 | -54.5% | 0.00% | -100.0% |
Q3 2017 | $1,739,000 | +10.0% | 26,864 | -8.1% | 0.00% | 0.0% |
Q2 2017 | $1,581,000 | -15.5% | 29,222 | -12.9% | 0.00% | 0.0% |
Q1 2017 | $1,872,000 | +45.2% | 33,560 | +28.0% | 0.00% | 0.0% |
Q4 2016 | $1,289,000 | -66.6% | 26,215 | -59.3% | 0.00% | -50.0% |
Q3 2016 | $3,865,000 | +196.4% | 64,458 | +72.8% | 0.00% | +100.0% |
Q2 2016 | $1,304,000 | -58.3% | 37,292 | -51.0% | 0.00% | -50.0% |
Q1 2016 | $3,130,000 | -68.0% | 76,058 | -47.1% | 0.00% | -71.4% |
Q4 2015 | $9,794,000 | +2690.3% | 143,807 | +1757.7% | 0.01% | – |
Q3 2015 | $351,000 | +68.8% | 7,741 | +95.6% | 0.00% | – |
Q2 2015 | $208,000 | -70.1% | 3,957 | -78.3% | 0.00% | – |
Q1 2015 | $695,000 | +1290.0% | 18,208 | +670.5% | 0.00% | – |
Q4 2014 | $50,000 | +284.6% | 2,363 | +317.5% | 0.00% | – |
Q3 2014 | $13,000 | -35.0% | 566 | -35.7% | 0.00% | – |
Q2 2014 | $20,000 | +42.9% | 880 | +143.8% | 0.00% | – |
Q1 2014 | $14,000 | -95.5% | 361 | -96.9% | 0.00% | – |
Q4 2013 | $310,000 | +1247.8% | 11,683 | +914.1% | 0.00% | – |
Q3 2013 | $23,000 | +64.3% | 1,152 | +15.3% | 0.00% | – |
Q2 2013 | $14,000 | – | 999 | – | 0.00% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
EcoR1 Capital, LLC | 9,426,640 | $73,905,000 | 9.33% |
GREAT POINT PARTNERS LLC | 2,066,041 | $16,198,000 | 1.49% |
LONESTAR CAPITAL MANAGEMENT LLC | 300,000 | $2,352,000 | 0.78% |
TANG CAPITAL MANAGEMENT LLC | 423,823 | $3,323,000 | 0.57% |
Palo Alto Investors LP | 1,004,449 | $7,875,000 | 0.52% |
Orbimed Advisors | 3,022,117 | $23,693,000 | 0.45% |
Kerrisdale Advisers, LLC | 61,640 | $483,000 | 0.30% |
Endurant Capital Management LP | 86,407 | $677,000 | 0.24% |
Campbell & CO Investment Adviser LLC | 47,901 | $376,000 | 0.14% |
Boxer Capital, LLC | 79,598 | $624,000 | 0.04% |