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As of close of business last night, Prothena Corporation plc’s stock clocked out at $9.2, down -3.66% from its previous closing price of $9.55. In other words, the price has decreased by -$3.66 from its previous closing price. On the day, 0.53 million shares were traded. PRTA stock price reached its highest trading level at $9.69 during the session, while it also had its lowest trading level at $9.07.
Ratios:
To gain a deeper understanding of PRTA’s stock, we examine its different ratios. For the most recent quarter (mrq), Quick Ratio is recorded 6.61 and its Current Ratio is at 6.61. In the meantime, Its Debt-to-Equity ratio is 0.03 whereas as Long-Term Debt/Eq ratio is at 0.02.
Jefferies Downgraded its Buy to Hold on May 27, 2025, while the target price for the stock was maintained at $6.
Insider Transactions:
Investing in insider trades can also provide an investor with insight into how management views future stock prices. A recent insider transaction in this stock occurred on May 02 ’25 when EcoR1 Capital, LLC sold 3,317,938 shares for $8.36 per share. The transaction valued at 27,744,929 led to the insider holds 8,266,342 shares of the business.
EcoR1 Capital, LLC sold 1,984,053 shares of PRTA for $15,164,712 on May 06 ’25. The 10% Owner now owns 5,304,596 shares after completing the transaction at $7.64 per share. On May 05 ’25, another insider, EcoR1 Capital, LLC, who serves as the 10% Owner of the company, sold 977,693 shares for $8.11 each. As a result, the insider received 7,930,166 and left with 7,288,649 shares of the company.
Valuation Measures:
Investors should consider key stock statistics when deciding whether to invest or divest. In the wake of the recent closing price, PRTA now has a Market Capitalization of 495235840 and an Enterprise Value of 173474832. The expected Price-to-Earnings-to-Growth (PEG) calculation for the next 5 years is 0.62. For the stock, the TTM Price-to-Sale (P/S) ratio is 42.01 while its Price-to-Book (P/B) ratio in mrq is 1.68. Its current Enterprise Value per Revenue stands at 14.719 whereas that against EBITDA is -0.784.
Stock Price History:
The Beta on a monthly basis for PRTA is -0.10, which has changed by -0.30038023 over the last 52 weeks, in comparison to a change of 0.14778805 over the same period for the S&P500. Over the past 52 weeks, PRTA has reached a high of $16.67, while it has fallen to a 52-week low of $4.32. The 50-Day Moving Average of the stock is -9.53%, while the 200-Day Moving Average is calculated to be 6.08%.
Shares Statistics:
It appears that PRTA traded 660.76K shares on average per day over the past three months and 859210 shares per day over the past ten days. A total of 53.83M shares are outstanding, with a floating share count of 43.39M. Insiders hold about 19.39% of the company’s shares, while institutions hold 79.66% stake in the company. Shares short for PRTA as of 1765756800 were 4699126 with a Short Ratio of 7.11, compared to 1763078400 on 4657490. Therefore, it implies a Short% of Shares Outstanding of 4699126 and a Short% of Float of 10.41.
Earnings Estimates
A comprehensive evaluation of Prothena Corporation plc (PRTA) is underway, with the input of 3.0 analysts contributing to its current rating.The consensus estimate for the next quarter is -$0.32, with high estimates of -$0.23 and low estimates of -$0.41.
Analysts are recommending an EPS of between -$4.52 and -$4.54 for the fiscal current year, implying an average EPS of -$4.53. EPS for the following year is $0.53, with 3.0 analysts recommending between $1.8 and -$0.34.
Revenue Estimates
A total of 6 analysts have provided revenue estimates for PRTA’s current fiscal year. The highest revenue estimate was $12.7M, while the lowest revenue estimate was $9.2M, resulting in an average revenue estimate of $10.1M. In the same quarter a year ago, actual revenue was $135.16M
