Prothena Corporation plc [PRTA] stock prices are up 3571334% to $1590000.0 at the moment. It is a good measure of the stock’s recent performance to check whether the stock’s short-term value is rising or falling. The PRTA shares have gain 12.82% over the last week, with a monthly amount drifted -21.54%, and not seem to be holding up well over a long-time horizon.
From an analyst’s perspective:
Prothena Corporation plc [NASDAQ: PRTA] stock has seen the most recent analyst activity on May 28, 2025, when BofA Securities downgraded its rating to a Underperform but kept the price target unchanged to $4 for it. Previously, Oppenheimer downgraded its rating to Perform on May 27, 2025. On May 27, 2025, downgrade downgraded it’s rating to Hold but maintained its price target of $6 on the stock. Cantor Fitzgerald downgraded its rating to a Neutral. Chardan Capital Markets initiated its recommendation with a Buy and recommended $40 as its price target on December 20, 2024. BofA Securities downgraded its rating to Neutral for this stock on January 30, 2024, and downed its price target to $38. In a note dated December 12, 2023, Deutsche Bank initiated an Buy rating and provided a target price of $62 on this stock.
The stock price of Prothena Corporation plc [PRTA] has been fluctuating between $4.32 and $25.42 over the past year. Currently, Wall Street analysts expect the stock to reach $58.5 within the next 12 months. Prothena Corporation plc [NASDAQ: PRTA] shares were valued at $1590000.0 at the most recent close of the market. An investor can expect a potential drop of -100.0% based on the average PRTA price forecast.
Analyzing the PRTA fundamentals
The Prothena Corporation plc [NASDAQ:PRTA] reported sales of 137.94M for trailing twelve months, representing a surge of 5556.00%. Gross Profit Margin for this corporation currently stands at 0.58% with Operating Profit Margin at -1.0%, Pretax Profit Margin comes in at -0.84%, and Net Profit Margin reading is -0.8%. To continue investigating profitability, this company’s Return on Assets is posted at -0.22, Equity is -0.22 and Total Capital is -0.31. Upon thorough examination of the company’s fundamental financial framework, it becomes apparent that the debt-to-equity ratio stands at 0.02.
Before buying any particular stock, readers tend to pay close attention to the indicators that support and create resistance.
Ratios To Look Out For
It’s worth pointing out that Prothena Corporation plc [NASDAQ:PRTA]’s Current Ratio is 9.00. Further, the Quick Ratio stands at 9.00, while the Cash Ratio is 8.62. Considering the valuation of this stock, the price to sales ratio is 2.23, the price to book ratio is 0.70.
Transactions by insiders
Recent insider trading involved EcoR1 Capital, LLC, 10% Owner, that happened on May 02 ’25 when 3.32 million shares were sold. 10% Owner, EcoR1 Capital, LLC completed a deal on May 06 ’25 to sell 1.98 million shares. Meanwhile, 10% Owner EcoR1 Capital, LLC sold 0.98 million shares on May 05 ’25.
