Prothena plc Return on Equity

Prothena plc (PRTA) currently reports a ROE of -48.36%. That is below the Healthcare sector average of 29.39%. Use the charts on this page to explore Prothena plc's ROE history and peer comparisons.

Prothena plc's ROE of -48.36% is lower than the Healthcare sector average of 29.39%. That is roughly 264.5% below the sector mean. A reading lower peers can reflect different growth expectations, capital structure, or profitability — so it is worth checking the peer comparison chart before drawing conclusions.

There is no universal 'good' ROE, but Prothena plc's current -48.36% should be judged against Healthcare norms (sector average: 29.39%) and against PRTA's own history. Strong, stable readings often indicate durable competitive advantage; volatile or declining ones deserve a closer look at margins and capital efficiency.

Start with the current ROE of -48.36%, then check the historical chart for trend and the peer comparison chart for relative positioning. The Healthcare average is 29.39%. From there, open related valuation or income-statement pages for Prothena plc, and consider following PRTA for alerts when major investors trade the stock.

Prothena plc is classified in the Healthcare sector. On ROE, it currently shows -48.36% versus a sector average near 29.39%. Sector peers often share similar capital intensity and growth regimes, so relative rankings inside Healthcare are usually more informative than comparing PRTA with unrelated industries.