Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States.
Prothena Public Co stock last closed at $9.54, up 2.58% from the previous day, and has decreased 55.19% in one year. It has overperformed other stocks in the Biotechnology industry by 0.22 percentage points. Prothena Public Co stock is currently +6% from its 52-week low of $9.00, and -62.47% from its 52-week high of $25.42.
At the moment, there are 53.83M PRTA shares outstanding. The market capitalization of PRTA is $513.51M. In the last 24 hours, 1.08M PRTA shares were traded.
How to Buy Prothena Public Co Stock
Not sure how to invest in Prothena Public Co stock? Here's how.
Figure out where to buy Prothena Public Co stock: You need to pick an online brokerage, but don't worry - we've tested dozens of online brokerages and apps to help you choose where to buy Prothena Public Co stock.
Sign up for your brokerage account: Sign up for 0% fee trading with the highest-rated brokerage we've found.
Deposit funds into your investment account: Pick your payment method and add your details.
Analyze Prothena Public Co stock: The Prothena Public Co ticker symbol is PRTA. Is Prothena Public Co stock a good investment? Should you buy shares of PRTA? How do PRTA's underlying business fundamentals look? Do top analysts think Prothena Public Co is a good buy? Why has PRTA's stock price moved recently? (Hint: Our stock research website can help you evaluate if PRTA is a good stock to buy).
Execute your PRTA buy order: Decide if you will purchase PRTA shares at the current market price or use a limit order to buy PRTA stock at a specific price.
Keep tabs on your PRTA investment: Create a watchlist to watch your position in Prothena Public Co shares.
Step 1: Figure out where to buy Prothena Public Co stock
You will need a brokerage account to access the NASDAQ market and buy PRTA shares.
A brokerage account is an investment account that allows you to buy and sell a variety of investments, such as stocks, bonds, mutual funds, and ETFs.
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Step 2: Sign up for your brokerage account
Now that you've selected the right brokerage, it's time to fill out some personal info so you can invest in PRTA stock today.
eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.
Step 4: Analyze Prothena Public Co stock
After you have chosen the best place to buy Prothena Public Co stock, it's absolutely critical to evaluate their stock before you buy, so you actually understand the risk and upside.
Prothena Public Co stock data
PRTA Price
$9.54
1w %
-0.52%
1y %
-55.19%
5y %
-18.88%
P/E
-4.2x
P/B
1.05x
P/S
3.79x
PEG
N/A
Revenue
$135.16M
Earnings
-$122.31M
Fore. Rev. Growth
13.39%
Fore. Earn. Growth
N/A
Market Cap
$513.51M
Next Earnings
May 14, 2025
Next Dividend
N/A
PRTA Fundamentals
WallStreetZen was built to help part-time investors perform more in-depth fundamental analysis in minutes instead of hours.
PRTA has $471.39M in cash and short term investments. This is sufficient to cover its annual cash burn of $150.35M.
Total PRTA debt is lower than 5 years ago, relative to shareholder equity.
PRTA has cash burn of 150348000. It has enough cash and short-term investments to cover this for at least one year.
There are more short-term assets than short-term liabilities on the PRTA balance sheet.
There are more short-term assets than long-term liabilities on the PRTA balance sheet.
Failed Financial Due Diligence Checks:
PRTA profit margin has gone up by 0.7 percentage points in the past year, but the company is still unprofitable.
Is it a good time to buy Prothena Public Co stock, according to Wall Street analysts?
Out of 7 Wall Street analysts who monitor PRTA, the consensus analyst rating on PRTA is a Buy
It's important to keep in mind that analyst forecasts are not stock recommendations, nor are they financial advice.
Most Recent PRTA Analyst Ratings
Jay Olson, a top 8% analyst from Oppenheimer maintains PRTA with a buy rating and raises their PRTA price target from $58.00 to $62.00, on Feb 7, 2025.
Tazeen Ahmad, a bottom 7% analyst from Bank of America maintains PRTA with a hold rating and lowers their PRTA price target from $26.00 to $22.00, on Dec 19, 2024.
Last year, PRTA revenue was $135.16M. During the past 5 year, PRTA's revenue has grown by 178% per year. This was faster than the Biotechnology industry average of 44.4%.
No, Prothena Public Co doesn't provide an income stream by paying out dividends.
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Step 5: Execute your PRTA buy order
There are two primary order types:
Market order: A market order is an order to buy or sell a security at the best price on the market. Market orders are usually fine.
Limit order: A limit order enables you to buy or sell a stock at a specific price (or better). If you want to be certain you're buying or selling at an exact price, place a limit order.
Click the Open Trade button and eToro will place your order.
If you want additional assistance buying stocks on eToro, click the helpful video below:
How much does it cost to buy one Prothena Public Co share?
As of Apr 22, 2025, it costs $9.54 to buy one share of Prothena Public Co stock.
Remember, eToro's fractional share buying allows you to buy partial shares of stocks and ETFs. Even if you only have $4, you can buy 0.419 shares of PRTA.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.