Prothena Corporation plc (NASDAQ: PRTA) is a Healthcare company in the Biotechnology industry. QuoTrend tracks its price, financials, earnings, analyst ratings and insider trades.
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PRTA QT 26Prothena Corporation plc · NASDAQ
8.49 +1.92%
Short Interest History · Twice monthly
Settlement Date Short Interest Avg Daily Volume Shares Float Short Float % Short Ratio Jul-15-26 8.20M 540.57K 46.19M 17.75% 15.16 Jun-30-26 8.37M 537.85K 46.19M 18.12% 15.56 Jun-15-26 7.87M 505.94K 46.19M 17.03% 15.55 May-29-26 7.74M 527.71K 46.19M 16.75% 14.66 May-15-26 7.10M 510.22K 46.19M 15.37% 13.91 Apr-30-26 6.87M 483.14K 46.19M 14.88% 14.22 Apr-15-26 7.08M 509.32K 46.19M 15.32% 13.89 Mar-31-26 7.02M 512.56K 46.19M 15.19% 13.69 Mar-13-26 7.04M 568.38K 46.19M 15.25% 12.39 Feb-27-26 6.85M 569.74K 46.19M 14.84% 12.03 Feb-13-26 7.08M 587.42K 46.19M 15.33% 12.06 Jan-30-26 7.06M 620.33K 46.19M 15.29% 11.39
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