PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 195 filers reported holding PROTHENA CORP PLC in Q4 2023. The put-call ratio across all filers is 0.73 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $6,800,880 | +70353.5% | 329,500 | -15.4% | 0.01% | -20.0% |
| Q1 2024 | $9,653 | -20.9% | 389,700 | +16.1% | 0.02% | -21.1% |
| Q4 2023 | $12,203 | -3.0% | 335,800 | +28.9% | 0.02% | -9.5% |
| Q3 2023 | $12,574 | -43.1% | 260,600 | -19.5% | 0.02% | -34.4% |
| Q2 2023 | $22,109 | +12.0% | 323,800 | -20.5% | 0.03% | +23.1% |
| Q1 2023 | $19,742 | -31.0% | 407,300 | -14.2% | 0.03% | -33.3% |
| Q4 2022 | $28,613 | -99.9% | 474,900 | -25.4% | 0.04% | -29.1% |
| Q3 2022 | $38,615,000 | +107.3% | 636,900 | -7.2% | 0.06% | +150.0% |
| Q2 2022 | $18,625,000 | +29.2% | 686,000 | +74.0% | 0.02% | +29.4% |
| Q1 2022 | $14,416,000 | +9.4% | 394,200 | +47.8% | 0.02% | +6.2% |
| Q4 2021 | $13,180,000 | -28.1% | 266,800 | +3.7% | 0.02% | -33.3% |
| Q3 2021 | $18,320,000 | +49.5% | 257,200 | +7.9% | 0.02% | +60.0% |
| Q2 2021 | $12,251,000 | +68.7% | 238,300 | -17.5% | 0.02% | +66.7% |
| Q1 2021 | $7,260,000 | +92.5% | 289,000 | -8.0% | 0.01% | +125.0% |
| Q4 2020 | $3,771,000 | +42.4% | 314,000 | +18.4% | 0.00% | +33.3% |
| Q3 2020 | $2,649,000 | -34.7% | 265,200 | -31.6% | 0.00% | -25.0% |
| Q2 2020 | $4,058,000 | +346.9% | 387,962 | +357.0% | 0.00% | +300.0% |
| Q1 2020 | $908,000 | -17.0% | 84,900 | +22.9% | 0.00% | 0.0% |
| Q4 2019 | $1,094,000 | +209.9% | 69,100 | +53.6% | 0.00% | – |
| Q3 2019 | $353,000 | +127.7% | 45,000 | +251.6% | 0.00% | – |
| Q1 2019 | $155,000 | -79.4% | 12,800 | -77.7% | 0.00% | -100.0% |
| Q3 2018 | $751,000 | -53.1% | 57,400 | +34.4% | 0.00% | -50.0% |
| Q4 2017 | $1,601,000 | -74.1% | 42,700 | -52.9% | 0.00% | -84.6% |
| Q4 2015 | $6,171,000 | +274.0% | 90,600 | +148.9% | 0.01% | +225.0% |
| Q3 2015 | $1,650,000 | +330.8% | 36,400 | +110.4% | 0.00% | +300.0% |
| Q3 2014 | $383,000 | -67.3% | 17,300 | -66.7% | 0.00% | -66.7% |
| Q2 2014 | $1,170,000 | -61.4% | 51,900 | -34.4% | 0.00% | -57.1% |
| Q1 2014 | $3,031,000 | +76.9% | 79,112 | +22.5% | 0.01% | +75.0% |
| Q4 2013 | $1,713,000 | – | 64,600 | – | 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% |