Prothena Plc Stock Analysis
| PRTA Stock | USD 8.90 0.09 1.02% |
IPO Date 21st of December 2012 | 200 Day MA 8.4378 | 50 Day MA 9.7872 | Beta (0.1) |
Prothena plc holds a debt-to-equity ratio of 0.023. At present, Prothena Plc's Long Term Debt is projected to increase significantly based on the last few years of reporting. The current year's Net Debt To EBITDA is expected to grow to 6.72, whereas Net Debt is forecasted to decline to (435.2 M). With a high degree of financial leverage come high-interest payments, which usually reduce Prothena Plc's Earnings Per Share (EPS).
Asset vs Debt
Equity vs Debt
Prothena Plc's liquidity is one of the most fundamental aspects of both its future profitability and its ability to meet different types of ongoing financial obligations. Prothena Plc's cash, liquid assets, total liabilities, and shareholder equity can be utilized to evaluate how much leverage the Company is using to sustain its current operations. For traders, higher-leverage indicators usually imply a higher risk to shareholders. In addition, it helps Prothena Stock's retail investors understand whether an upcoming fall or rise in the market will negatively affect Prothena Plc's stakeholders.
For most companies, including Prothena Plc, marketable securities, inventories, and receivables are the most common assets that could be converted to cash. However, for Prothena plc, the most critical issue when managing liquidity is ensuring that current assets are properly aligned with current liabilities. If they are not, Prothena Plc's management will need to obtain alternative financing to ensure there are always enough cash equivalents on the balance sheet to meet obligations.
Price Book 1.6067 | Enterprise Value Ebitda (3.58) | Price Sales 40.2378 | Shares Float 43.4 M | Wall Street Target Price 20.3333 |
Prothena plc is undervalued with Real Value of 11.86 and Target Price of 20.33. The main objective of Prothena Plc stock analysis is to determine its intrinsic value, which is an estimate of what Prothena plc is worth, separate from its market price. There are two main types of Prothena Plc's stock analysis: fundamental analysis and technical analysis.
The Prothena Plc stock is traded in the USA on NASDAQ Exchange, with the market opening at 09:30:00 and closing at 16:00:00 every Mon,Tue,Wed,Thu,Fri except for officially observed holidays in the USA. Here, you can get updates on important government artifacts, including earning estimates, SEC corporate filings, announcements, and Prothena Plc's ongoing operational relationships across important fundamental and technical indicators.
Check out Your Equity Center to better understand how to build diversified portfolios, which includes a position in Prothena plc. Also, note that the market value of any company could be closely tied with the direction of predictive economic indicators such as signals in main economic indicators. Prothena Stock Analysis Notes
About 19.0% of the company outstanding shares are owned by corporate insiders. The company has price-to-book ratio of 1.61. Typically companies with comparable Price to Book (P/B) are able to outperform the market in the long run. Prothena plc has Price/Earnings To Growth (PEG) ratio of 0.8. The entity recorded a loss per share of 5.2. The firm had not issued any dividends in recent years. Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States. The company was founded in 2012 and is based in Dublin, Ireland. Prothena Corp operates under Biotechnology classification in the United States and is traded on NASDAQ Exchange. It employs 82 people. To find out more about Prothena plc contact the company at 353 1 236 2500 or learn more at https://www.prothena.com.Prothena Plc Quarterly Total Revenue |
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Prothena plc Investment Alerts
Many investors view ongoing market volatility as an opportunity to purchase more stocks at a favorable price or short it to generate a bearish trend profit opportunity. If you are one of those investors, make sure you clearly understand the position you are entering. Prothena Plc's investment alerts are automatically generated signals that are significant enough to either complement your investing judgment regarding Prothena plc or challenge it. These alerts can help you understand what you are buying and avoid costly mistakes.
| Prothena plc generated a negative expected return over the last 90 days | |
| The company reported the previous year's revenue of 135.16 M. Net Loss for the year was (122.31 M) with loss before overhead, payroll, taxes, and interest of (158.65 M). | |
| Prothena plc currently holds about 508.8 M in cash with (150.05 M) of positive cash flow from operations. This results in cash-per-share (CPS) ratio of 10.84, which can makes it an attractive takeover target, given it will continue generating positive cash flow. | |
| Prothena plc has a poor financial position based on the latest SEC disclosures | |
| Over 80.0% of the company shares are owned by institutional investors | |
| Latest headline from news.google.com: Prothena Share Price Crosses Above 50 Day Moving Average - Heres Why - MarketBeat |
Prothena Largest EPS Surprises
Earnings surprises can significantly impact Prothena Plc's stock price both in the short term and over time. Negative earnings surprises usually result in a price decline. However, it has been seen that positive earnings surprises lead to an immediate rise in a stock's price and a gradual increase over time. This is why we often hear news about some companies beating earning projections. Financial analysts spend a large amount of time predicting earnings per share (EPS) along with other important future indicators. Many analysts use forecasting models, management guidance, and additional fundamental information to derive an EPS estimate.
| Reported | Fiscal Date | Estimated EPS | Reported EPS | Surprise | |||
|---|---|---|---|---|---|---|---|
2020-02-12 | 2019-12-31 | -0.6 | -0.54 | 0.06 | 10 | ||
2015-11-02 | 2015-09-30 | -0.66 | -0.73 | -0.07 | 10 | ||
2022-05-05 | 2022-03-31 | -0.68 | -0.78 | -0.1 | 14 |
Prothena Plc Environmental, Social, and Governance (ESG) Scores
Prothena Plc's ESG score is a quantitative measure that evaluates Prothena Plc's performance and commitment regarding environmental, social, and governance (ESG) factors. These scores are becoming increasingly crucial in investment decision-making processes, providing insights into non-financial aspects of Prothena Plc's operations that may have significant financial implications and affect Prothena Plc's stock price as well as guide investors towards more socially responsible investments.
Prothena Stock Institutional Investors
| Shares | Geode Capital Management, Llc | 2025-06-30 | 933.4 K | Jacobs Levy Equity Management, Inc. | 2025-06-30 | 693.2 K | Balyasny Asset Management Llc | 2025-06-30 | 575.8 K | Trexquant Investment Lp | 2025-06-30 | 552.8 K | Goldman Sachs Group Inc | 2025-06-30 | 528.3 K | Cubist Systematic Strategies, Llc | 2025-06-30 | 501.8 K | Rock Springs Capital Management Lp | 2025-06-30 | 492.6 K | Granahan Investment Management Inc.. | 2025-06-30 | 461.1 K | Birchview Capital, Lp | 2025-06-30 | 451 K | Fmr Inc | 2025-06-30 | 7.9 M | Blackrock Inc | 2025-06-30 | 3.9 M |
Prothena Market Capitalization
The company currently falls under 'Small-Cap' category with a current market capitalization of 474.24 M.Prothena Profitablity
| Last Reported | Projected for Next Year | ||
| Return On Tangible Assets | (0.20) | (0.21) | |
| Return On Capital Employed | (0.28) | (0.29) | |
| Return On Assets | (0.20) | (0.21) | |
| Return On Equity | (0.23) | (0.24) |
Management Efficiency
Prothena plc has return on total asset (ROA) of (0.2931) % which means that it has lost $0.2931 on every $100 spent on assets. This is way below average. Similarly, it shows a return on stockholder's equity (ROE) of (0.6763) %, meaning that it created substantial loss on money invested by shareholders. Prothena Plc's management efficiency ratios could be used to measure how well Prothena Plc manages its routine affairs as well as how well it operates its assets and liabilities. As of February 2, 2026, Return On Tangible Assets is expected to decline to -0.21. In addition to that, Return On Capital Employed is expected to decline to -0.29. At present, Prothena Plc's Non Currrent Assets Other are projected to increase significantly based on the last few years of reporting. The current year's Other Assets is expected to grow to about 37.3 M, whereas Total Assets are forecasted to decline to about 427.3 M.| Last Reported | Projected for Next Year | ||
| Book Value Per Share | 8.15 | 6.70 | |
| Tangible Book Value Per Share | 8.15 | 6.71 | |
| Enterprise Value Over EBITDA | (1.66) | (1.75) | |
| Price Book Value Ratio | 1.76 | 1.67 | |
| Enterprise Value Multiple | (1.66) | (1.75) | |
| Price Fair Value | 1.76 | 1.67 | |
| Enterprise Value | 1.2 B | 618.2 M |
Understanding the operational decisions made by Prothena Plc management offers insights into its financial robustness. This evaluation is crucial for assessing the stock's investment potential.
Technical Drivers
As of the 2nd of February, Prothena Plc holds the Risk Adjusted Performance of (0.04), variance of 8.58, and Coefficient Of Variation of (1,431). Compared to fundamental indicators, the technical analysis model allows you to check existing technical drivers of Prothena Plc, as well as the relationship between them.Prothena plc Price Movement Analysis
The output start index for this execution was twenty-three with a total number of output elements of thirty-eight. The Bollinger Bands is very popular indicator that was developed by John Bollinger. It consist of three lines. Prothena Plc middle band is a simple moving average of its typical price. The upper and lower bands are (N) standard deviations above and below the middle band. The bands widen and narrow when the volatility of the price is higher or lower, respectively. The upper and lower bands can also be interpreted as price targets for Prothena plc. When the price bounces off of the lower band and crosses the middle band, then the upper band becomes the price target.
Prothena plc Insider Trading Activities
Some recent studies suggest that insider trading raises the cost of capital for securities issuers and decreases overall economic growth. Trading by specific Prothena Plc insiders, such as employees or executives, is commonly permitted as long as it does not rely on Prothena Plc's material information that is not in the public domain. Local jurisdictions usually require such trading to be reported in order to monitor insider transactions. In many U.S. states, trading conducted by corporate officers, key employees, directors, or significant shareholders must be reported to the regulator or publicly disclosed, usually within a few business days of the trade. In these cases Prothena Plc insiders are required to file a Form 4 with the U.S. Securities and Exchange Commission (SEC) when buying or selling shares of their own companies.
Prothena Plc Outstanding Bonds
Prothena Plc issues bonds to finance its operations. Corporate bonds make up one of the largest components of the U.S. bond market, which is considered the world's largest securities market. Prothena plc uses the proceeds from bond sales for a wide variety of purposes, including financing ongoing mergers and acquisitions, buying new equipment, investing in research and development, buying back their own stock, paying dividends to shareholders, and even refinancing existing debt. Most Prothena bonds can be classified according to their maturity, which is the date when Prothena plc has to pay back the principal to investors. Maturities can be short-term, medium-term, or long-term (more than ten years). Longer-term bonds usually offer higher interest rates but may entail additional risks.
Prothena Plc Predictive Daily Indicators
Prothena Plc intraday indicators are useful technical analysis tools used by many experienced traders. Just like the conventional technical analysis, daily indicators help intraday investors to analyze the price movement with the timing of Prothena Plc stock daily movement. By combining multiple daily indicators into a single trading strategy, you can limit your risk while still earning strong returns on your managed positions.
Prothena Plc Corporate Filings
8K | 12th of December 2025 Report filed with the SEC to announce major events that shareholders should know about | ViewVerify |
8K | 19th of November 2025 Report filed with the SEC to announce major events that shareholders should know about | ViewVerify |
13A | 14th of November 2025 An amended filing to the original Schedule 13G | ViewVerify |
13A | 12th of November 2025 An amended filing to the original Schedule 13G | ViewVerify |
8K | 6th of November 2025 Report filed with the SEC to announce major events that shareholders should know about | ViewVerify |
13A | 17th of October 2025 An amended filing to the original Schedule 13G | ViewVerify |
| 7th of October 2025 Other Reports | ViewVerify | |
| 25th of September 2025 Other Reports | ViewVerify |
Prothena Plc Forecast Models
Prothena Plc's time-series forecasting models are one of many Prothena Plc's stock analysis techniques aimed at predicting future share value based on previously observed values. Time-series forecasting models ae widely used for non-stationary data. Non-stationary data are called the data whose statistical properties e.g. the mean and standard deviation are not constant over time but instead, these metrics vary over time. These non-stationary Prothena Plc's historical data is usually called time-series. Some empirical experimentation suggests that the statistical forecasting models outperform the models based exclusively on fundamental analysis to predict the direction of the market movement and maximize returns from investment trading.Prothena Plc Bond Ratings
Prothena plc financial ratings play a critical role in determining how much Prothena Plc have to pay to access credit markets, i.e., the amount of interest on their issued debt. The threshold between investment-grade and speculative-grade ratings has important market implications for Prothena Plc's borrowing costs.| Piotroski F Score | 4 | Poor | View |
| Beneish M Score | (3.94) | Unlikely Manipulator | View |
Prothena plc Debt to Cash Allocation
As Prothena plc follows its natural business cycle, the capital allocation decisions will not magically go away. Prothena Plc's decision-makers have to determine if most of the cash flows will be poured back into or reinvested in the business, reserved for other projects beyond operational needs, or paid back to stakeholders and investors.
Prothena plc currently holds 10.84 M in liabilities with Debt to Equity (D/E) ratio of 0.02, which may suggest the company is not taking enough advantage from borrowing. Prothena plc has a current ratio of 12.74, suggesting that it is liquid enough and is able to pay its financial obligations when due. Note, when we think about Prothena Plc's use of debt, we should always consider it together with its cash and equity.Prothena Plc Common Stock Shares Outstanding Over Time
Prothena Plc Assets Financed by Debt
The debt-to-assets ratio shows the degree to which Prothena Plc uses debt to finance its assets. It includes both long-term and short-term borrowings maturing within one year. It also includes both tangible and intangible assets, such as goodwill.Prothena Plc Debt Ratio | 2.17 |
Prothena Plc Corporate Bonds Issued
Most Prothena bonds can be classified according to their maturity, which is the date when Prothena plc has to pay back the principal to investors. Maturities can be short-term, medium-term, or long-term (more than ten years). Longer-term bonds usually offer higher interest rates but may entail additional risks.
Prothena Net Debt
Net Debt |
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About Prothena Stock Analysis
Stock analysis is the technique used by a trader or investor to examine and evaluate how Prothena Plc prices is reacting to, or reflecting on a current market direction and economic conditions. It can be used to make informed decisions about market timing, and when buying or selling Prothena shares will generate the highest return on investment. We also built our stock analysis module to help investors to gain an insight into the world economy as a whole, the stock market, thematic ideas. a specific sector, or an individual Stock such as Prothena Plc. By using and applying Prothena Stock analysis, traders can create a robust methodology for identifying Prothena entry and exit points for their positions.
| Last Reported | Projected for Next Year | ||
| Pretax Profit Margin | (0.86) | (0.90) | |
| Operating Profit Margin | (1.03) | (1.08) | |
| Net Loss | (0.81) | (0.86) | |
| Gross Profit Margin | (99.81) | (104.80) |
Current Prothena Analysis - Recommendations
We track the performance of the top 100 financial experts across various large and mid-size financial boutiques. Prothena analyst recommendations are determined by taking all analyst recommendations and averaging them as Strong Buy, Buy, Hold, Strong Sell or Sell. There is no one specific way to measure analysis performance other than comparing it to the past results via a very sophisticated attribution analysis. Prothena analyst consensus and target price projections should be used in combination with other traditional techniques such as stock price forecasting, technical analysis, earnings estimate, and various momentum models.
| Target Price | Consensus | # of Analysts | |
| 20.33 | Strong Buy | 10 | Odds |
Most Prothena analysts issue ratings four times a year, at intervals of three months. Ratings are usually accompanied by a target price to helps potential investors understand Prothena stock's fair price compared to its market value. Analysts arrive at stock ratings after researching public financial statements of Prothena plc, talking to its executives and customers, or listening to Prothena conference calls.
Prothena Stock Analysis Indicators
Prothena plc stock analysis indicators help investors evaluate how Prothena Plc stock reacts to ongoing and evolving market conditions. The investors can use it to make informed decisions about market timing and determine when trading Prothena Plc shares will generate the highest return on investment. By understating and applying Prothena Plc stock analysis, traders can identify Prothena Plc position entry and exit signals to maximize returns.
| Begin Period Cash Flow | 621 M | |
| Common Stock Shares Outstanding | 53.8 M | |
| Total Stockholder Equity | 486.9 M | |
| Total Cashflows From Investing Activities | -298 K | |
| Tax Provision | -6.6 M | |
| Property Plant And Equipment Net | 13.8 M | |
| Cash And Short Term Investments | 471.4 M | |
| Cash | 471.4 M | |
| Accounts Payable | 7.8 M | |
| Net Debt | -460.5 M | |
| 50 Day M A | 9.7872 | |
| Total Current Liabilities | 48.5 M | |
| Other Operating Expenses | 289.7 M | |
| Non Current Assets Total | 61.7 M | |
| Forward Price Earnings | 10.8696 | |
| Non Currrent Assets Other | 3.8 M | |
| Stock Based Compensation | 46 M |
Complementary Tools for Prothena Stock analysis
When running Prothena Plc's price analysis, check to measure Prothena Plc's market volatility, profitability, liquidity, solvency, efficiency, growth potential, financial leverage, and other vital indicators. We have many different tools that can be utilized to determine how healthy Prothena Plc is operating at the current time. Most of Prothena Plc's value examination focuses on studying past and present price action to predict the probability of Prothena Plc's future price movements. You can analyze the entity against its peers and the financial market as a whole to determine factors that move Prothena Plc's price. Additionally, you may evaluate how the addition of Prothena Plc to your portfolios can decrease your overall portfolio volatility.
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