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Prothena Corp Stock Short Interest Report | NASDAQ:PRTA | Benzinga
Short interest in Prothena Corp PLC (NASDAQ:PRTA) decreased during the last reporting period, falling from 9.13M to 8.78M. This put 25.69% of the company's publicly available shares short.
Short interest in Prothena Corp Corp (XNAS:PRTA) decreased during the last reporting period, falling from 280.30M to 275.20M. This put 1.17% of the company's publicly available shares short.
Based on the recent average volume of 446.55K shares traded per day, it would take 19.66 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.
Short Interest
8.78M
Short Interest %
25.7%
Days to Cover
19.66
| Get Alert | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| PRTA | Prothena Corporation plc Ordin | 03/14/2025 | 03/25/2025 | 25.69% | 34,171,243 | 8,779,086 | 446,550 | 19.66 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 02/28/2025 | 03/11/2025 | 26.72% | 34,171,243 | 9,129,265 | 428,701 | 21.3 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 02/14/2025 | 02/26/2025 | 26.45% | 34,152,993 | 9,034,843 | 291,628 | 30.98 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 01/31/2025 | 02/11/2025 | 26.06% | 34,152,993 | 8,900,074 | 336,501 | 26.45 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 01/15/2025 | 01/27/2025 | 27.38% | 34,152,993 | 9,349,701 | 462,780 | 20.2 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 12/31/2024 | 01/10/2025 | 25.68% | 34,152,993 | 8,770,252 | 968,036 | 9.06 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 12/13/2024 | 12/24/2024 | 25.76% | 34,152,993 | 8,797,843 | 485,033 | 18.14 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 11/29/2024 | 12/10/2024 | 23.59% | 34,152,993 | 8,057,302 | 452,032 | 17.82 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 11/15/2024 | 11/26/2024 | 23.06% | 34,152,993 | 7,877,213 | 440,920 | 17.87 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 10/31/2024 | 11/11/2024 | 22.07% | 34,124,606 | 7,531,620 | 472,306 | 15.95 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 10/15/2024 | 10/24/2024 | 19.88% | 34,124,606 | 6,785,191 | 658,278 | 10.31 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 09/30/2024 | 10/09/2024 | 15.53% | 34,124,606 | 5,300,187 | 684,847 | 7.74 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 09/13/2024 | 09/24/2024 | 16.77% | 34,124,606 | 5,722,694 | 229,807 | 24.9 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 08/30/2024 | 09/11/2024 | 16.40% | 34,124,606 | 5,594,870 | 270,203 | 20.71 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 07/31/2024 | 08/09/2024 | 15.75% | 34,124,606 | 5,376,254 | 395,161 | 13.61 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 07/15/2024 | 07/24/2024 | 13.98% | 34,116,106 | 4,769,408 | 451,493 | 10.56 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 06/28/2024 | 07/10/2024 | 14.95% | 34,116,106 | 5,100,793 | 865,304 | 5.89 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 06/14/2024 | 06/26/2024 | 19.51% | 34,116,106 | 6,656,447 | 399,955 | 16.64 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 05/31/2024 | 06/11/2024 | 19.67% | 34,116,106 | 6,711,658 | 446,541 | 15.03 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 05/15/2024 | 05/24/2024 | 19.10% | 34,116,106 | 6,514,844 | 576,073 | 11.31 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 04/30/2024 | 05/09/2024 | 19.78% | 34,116,106 | 6,749,592 | 467,001 | 14.45 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 04/15/2024 | 04/24/2024 | 19.46% | 34,064,716 | 6,627,798 | 555,973 | 11.92 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 03/28/2024 | 04/09/2024 | 18.98% | 34,064,716 | 6,465,538 | 588,398 | 10.99 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 03/15/2024 | 03/26/2024 | 16.96% | 36,849,665 | 6,249,415 | 564,129 | 11.08 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 02/29/2024 | 03/11/2024 | 16.46% | 36,849,665 | 6,065,555 | 702,828 | 8.63 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 02/15/2024 | 02/27/2024 | 15.77% | 36,849,665 | 5,811,291 | 878,559 | 6.61 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 01/31/2024 | 02/09/2024 | 15.62% | 36,794,559 | 5,747,464 | 708,204 | 8.12 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 01/12/2024 | 01/24/2024 | 17.02% | 36,794,559 | 6,261,842 | 1,509,100 | 4.15 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 12/29/2023 | 01/10/2024 | 16.52% | 36,794,559 | 6,078,890 | 722,250 | 8.42 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 12/15/2023 | 12/27/2023 | 15.80% | 36,794,559 | 5,815,280 | 897,000 | 6.48 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 11/30/2023 | 12/11/2023 | 18.61% | 36,794,559 | 6,848,870 | 517,215 | 13.24 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 11/15/2023 | 11/27/2023 | 16.83% | 36,794,559 | 6,193,632 | 688,613 | 8.99 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 10/31/2023 | 11/09/2023 | 17.67% | 36,794,559 | 6,502,502 | 1,249,504 | 5.2 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 10/13/2023 | 10/24/2023 | 13.86% | 36,664,510 | 5,081,813 | 540,087 | 9.41 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 09/29/2023 | 10/10/2023 | 11.98% | 36,664,510 | 4,392,565 | 408,526 | 10.75 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 09/15/2023 | 09/26/2023 | 11.66% | 36,664,510 | 4,275,806 | 387,122 | 11.05 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 08/31/2023 | 09/12/2023 | 11.23% | 36,664,510 | 4,116,615 | 425,308 | 9.68 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 08/15/2023 | 08/24/2023 | 10.10% | 36,664,510 | 3,702,014 | 400,435 | 9.24 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 07/31/2023 | 08/09/2023 | 10.01% | 36,664,510 | 3,670,609 | 356,594 | 10.29 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 07/14/2023 | 07/25/2023 | 10.16% | 35,880,985 | 3,644,221 | 267,941 | 13.6 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 06/30/2023 | 07/12/2023 | 9.81% | 35,880,985 | 3,519,306 | 471,028 | 7.47 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 06/15/2023 | 06/27/2023 | 10.26% | 35,880,985 | 3,681,817 | 404,930 | 9.09 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 05/31/2023 | 06/09/2023 | 9.25% | 35,880,985 | 3,318,878 | 466,828 | 7.11 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 05/15/2023 | 05/24/2023 | 8.96% | 35,880,985 | 3,214,372 | 691,512 | 4.65 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 04/28/2023 | 05/09/2023 | 9.11% | 35,880,985 | 3,270,061 | 310,225 | 10.54 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 04/14/2023 | 04/25/2023 | 9.14% | 35,807,388 | 3,273,094 | 383,889 | 8.53 | Get Alert |
| PRTA | Prothena Corporation plc Ordin | 03/31/2023 | 04/12/2023 | 10.37% | 35,807,388 | 3,712,575 | 487,241 | 7.62 | Get Alert |
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