Date,Symbol,Name,Last Sale,Net Change,% Change,Market Cap,Country,IPO Year,Volume,Sector,Industry 20250729,PRTA,Prothena Corporation plc Ordinary Shares,$6.93,0.06,0.873%,373020985.0,United States,nan,724870,Health Care,Biotechnology: Pharmaceutical Preparations 20250730,PRTA,Prothena Corporation plc Ordinary Shares,$6.88,-0.05,-0.722%,370329636.0,United States,nan,1240791,Health Care,Biotechnology: Pharmaceutical Preparations 20250731,PRTA,Prothena Corporation plc Ordinary Shares,$6.87,-0.01,-0.145%,369791366.0,United States,nan,994942,Health Care,Biotechnology: Pharmaceutical Preparations