SeaStar Medical Holding Corporation, a medical device company, focuses on providing novel solutions and services to treat hyperinflammation and cytokine storm in critically ill patients.
Seastar Medical Holding stock last closed at $0.57, up 2.7% from the previous day, and has decreased 81.61% in one year. It has underperformed other stocks in the Biotechnology industry by 0.61 percentage points. Seastar Medical Holding stock is currently +86.89% from its 52-week low of $0.31, and -81.43% from its 52-week high of $3.07.
There are currently 27.91M ICU shares outstanding. The market cap of ICU is $15.91M. In the past 24 hours, 469,000 ICU shares were traded.
How to Buy Seastar Medical Holding Stock
Not sure how to invest in Seastar Medical Holding stock? Here's how.
Decide where to buy Seastar Medical Holding stock: You need to decide on an online brokerage, but don't worry - we've tried dozens of online stock brokerages and apps to help you determine where to buy Seastar Medical Holding stock.
Create your brokerage account: Sign up for 0% commission trading with the highest-rated brokerage we've selected.
Put funds into your brokerage account: Pick your payment method and add your details.
Evaluate Seastar Medical Holding stock: The Seastar Medical Holding ticker symbol is ICU. Is Seastar Medical Holding stock a good investment? Should you buy shares of ICU? How do ICU's underlying business fundamentals look? Do top analysts think Seastar Medical Holding is a good buy? Why has ICU's stock price moved recently? (Hint: Our stock market research tools can help you understand if ICU is a good stock to buy).
Place your ICU buy order: Decide if you will purchase ICU shares at the current market price or use a limit order to purchase ICU shares at a particular price.
Get notifications regarding your ICU position: Create a watchlist to important updates regarding your investment in Seastar Medical Holding shares.
Step 1: Decide where to buy Seastar Medical Holding stock
You will need an online brokerage account in order to access the NASDAQ market and buy ICU shares.
A brokerage account enables you to buy and sell a number of financial instruments, such as stocks, bonds, mutual funds, and ETFs.
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Step 2: Create your brokerage account
Now that you've chosen your brokerage, it's time to fill out some personal information so you can invest in ICU 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: Evaluate Seastar Medical Holding stock
Once you have decided on the best place to buy Seastar Medical Holding stock, it's important to research their stock before you buy, so you can wrap your head around the risk as well as the opportunity.
Seastar Medical Holding quick stats
ICU Price
$0.57
1w %
-7.17%
1y %
-81.61%
5y %
N/A
P/E
-0.25x
P/B
4.76x
P/S
8.38x
PEG
N/A
Revenue
$766.00k
Earnings
-$14.67M
Fore. Rev. Growth
62.14%
Fore. Earn. Growth
N/A
Market Cap
$15.91M
Next Earnings
N/A
Next Dividend
N/A
Seastar Medical Holding Due Diligence Checks
WallStreetZen was created to help part-time investors do better fundamental analysis quickly.
You can see all of the due diligence checks on ICU's stock page.
Is ICU stock undervalued?
You can use many financial metrics, analyses, models, and charts to gauge ICU's fair value.
Using relative valuations measures:
ICU could be undervalued based on its P/B ratio of 4.76x, relative to Biotechnology industry P/B ratio of 4.99x
You can access additional valuation analysis on ICU's stock here.
ICU Financial Health Summary
Passed Financial Due Diligence Checks:
There are more short-term assets than long-term liabilities on the ICU balance sheet.
There are more short-term assets than short-term liabilities on the ICU balance sheet.
Failed Financial Due Diligence Checks:
ICU has cash burn of 15356000. It does not have enough cash and short-term investments to cover this.
ICU profit margin has gone down from N/A to -1,915.3% in the past year.
ICU has a relatively high debt to equity ratio of 1.51.
ICU has $6.30M in cash and short term investments. This is not enough to cover its annual cash burn of $15.36M.
No, Seastar Medical Holding doesn't provide an income stream by paying out dividends.
What do other investors have to say about ICU?
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Step 5: Place your ICU 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 mostly fine.
Limit order: A limit order is an order to buy or sell a security at a specific price (or better). If you want to make sure you're buying or selling at an exact price limit, use a limit order.
Hit the Open button and your broker will place the order.
If you want additional assistance investing in stocks on eToro, watch the how to video below:
How much does it cost to buy one Seastar Medical Holding share?
As of Oct 31, 2025, it costs $0.57 to buy one share of Seastar Medical Holding stock.
Remember, eToro's fractional share buying allows you to buy partial shares of stocks and ETFs. Even if you only have $0.29, you can buy 0.5 shares of ICU.
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.