NASDAQ:ICU SeaStar Medical (ICU) Stock Price, News & Analysis $3.56 +0.16 (+4.71%) Closing price 09/29/2026 04:00 PM EasternExtended Trading$3.56 0.00 (0.00%) As of 04:01 AM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsInsider TradesNews and TrendsOwnershipSEC Filings About SeaStar Medical Stock (NASDAQ:ICU) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get SeaStar Medical alerts:Sign Up Key Stats Today's Range$3.26▼$3.7550-Day Range$2.88▼$3.8952-Week Range$2.07▼$7.35Volume135,131 shsAverage Volume36,616 shsMarket Capitalization$15.70 millionP/E RatioN/ADividend YieldN/APrice Target$8.00Consensus RatingHold Company Overview SeaStar Medical Holding Corporation (NASDAQ: ICU) is a medical technology company focused on developing therapies that address excessive inflammation and immune-system activation in critically ill patients. The company’s approach is designed to target activated immune cells in the bloodstream, which can contribute to organ damage and complications associated with severe illness. SeaStar Medical’s lead product is Quelimmune, formerly known as the Selective Cytopheretic Device (SCD). The extracorporeal blood-purification device is used with continuous kidney replacement therapy to selectively target pro-inflammatory cells while blood circulates outside the body. The company has focused its initial clinical and commercial efforts on pediatric patients with acute kidney injury and fluid overload who require continuous kidney replacement therapy. Based in Denver, Colorado, SeaStar Medical has historically concentrated on the development and commercialization of its platform in the United States. Its technology has also been evaluated in clinical studies involving critically ill patients, with the broader goal of developing treatments for inflammation-driven organ dysfunction. The company’s activities center on medical-device development, regulatory approvals, clinical research and supporting healthcare providers using its products.AI Generated. May Contain Errors. Read More SeaStar Medical Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks56th Percentile Overall ScoreICU MarketRank™: SeaStar Medical scored higher than 56% of companies evaluated by MarketBeat, and ranked 403rd out of 897 stocks in the healthcare sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion3.2 / 5Analyst RatingHold Consensus RatingSeaStar Medical has received a consensus rating of Hold. The company's average rating score is 2.00, and is based on no strong buy ratings, 1 buy rating, no hold ratings, and 1 sell rating.Upside PotentialSeaStar Medical has a consensus price target of $8.00, representing about 124.7% upside from its current price of $3.56.Amount of Analyst CoverageSeaStar Medical has only been the subject of 1 research reports in the past 90 days.Read more about SeaStar Medical's stock forecast and price target. Earnings and Valuation0.6 / 5Proj. Earnings GrowthGrowing Earnings GrowthEarnings for SeaStar Medical are expected to grow in the coming year, from ($3.66) to ($2.09) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of SeaStar Medical is -0.91, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Earnings Ratio vs. SectorThe P/E ratio of SeaStar Medical is -0.91, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Book Value per Share RatioSeaStar Medical has a P/B Ratio of 1.29. P/B Ratios below 3 indicates that a company is reasonably valued with respect to its assets and liabilities.Read more about SeaStar Medical's valuation and earnings. Short Interest3.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted2.78% of the float of SeaStar Medical has been sold short.Short Interest Ratio / Days to CoverSeaStar Medical has a short interest ratio ("days to cover") of 2.73, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in SeaStar Medical has recently increased by 10.00%, indicating that investor sentiment is decreasing significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldSeaStar Medical does not currently pay a dividend.Dividend GrowthSeaStar Medical does not have a long track record of dividend growth. News and Social Media2.2 / 5News Sentiment0.45 News SentimentSeaStar Medical has a news sentiment score of 0.45. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a lower news sentiment than the 0.74 average news sentiment score of Healthcare companies.News Coverage This WeekMarketBeat has tracked 4 news articles for SeaStar Medical this week, compared to 2 articles on an average week. Company Ownership2.9 / 5Insider TradingAcquiring Shares Net Insider BuyingOver the last three months, insiders have purchased a net $2,452.00 in company stock, which represents 0.0156% of the company's market cap.Insider Buying vs. Insider SellingIn the past three months, SeaStar Medical insiders have bought more of their company's stock than they have sold. Specifically, they have bought $2,452.00 in company stock and sold $0.00 in company stock.Percentage Held by Insiders0.70% of the stock of SeaStar Medical is held by insiders.Percentage Held by Institutions1.69% of the stock of SeaStar Medical is held by institutions.Read more about SeaStar Medical's insider trading history. 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Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. ICU Stock News HeadlinesSeaStar Medical Announces Chief Medical Officer, Kevin Chung, M.D., to Present at the Pediatric Paracorporeal and Extracorporeal Therapy Symposium (PPETS) 2026September 29 at 8:36 AM | globenewswire.comSeaStar Medical Congratulates H. David Humes, M.D., on Receiving the University of Michigan 2026 Distinguished University Innovator of the Year for Development of the SCD TherapySeptember 24, 2026 | finance.yahoo.comYour book is insideThe "Sucker's Bet" Most New Options Traders Fall For Most people who try options lose money the same way. They don't know the rules. They don't know what to avoid. And they hand their account to Wall Street on a silver platter. Normally $29.97. Free today.September 30 at 1:00 AM | Profits Run (Ad)SeaStar Medical Congratulates H. David Humes, M.D.September 24, 2026 | globenewswire.comSeaStar Medical (NASDAQ:ICU) Upgraded at Wall Street ZenSeptember 19, 2026 | americanbankingnews.comSeaStar Medical to Present at the HC Wainwright 28th Annual Global Investment ConferenceSeptember 10, 2026 | globenewswire.comICU: Continued Revenue Growth for QUELIMMUNE®August 17, 2026 | finance.yahoo.comSeaStar Medical Reports Second Quarter 2026 Financial Results and Provides Business UpdatesAugust 13, 2026 | markets.businessinsider.comSee More Headlines ICU Stock Analysis - Frequently Asked Questions How have ICU shares performed this year? SeaStar Medical's stock was trading at $2.40 at the start of the year. Since then, ICU shares have increased by 48.3% and is now trading at $3.56. How were SeaStar Medical's earnings last quarter? SeaStar Medical Holding Corporation (NASDAQ:ICU) announced its quarterly earnings results on Wednesday, August, 12th. The company reported ($0.91) earnings per share for the quarter, beating analysts' consensus estimates of ($0.97) by $0.06. The firm had revenue of $0.62 million for the quarter, compared to analyst estimates of $0.49 million. SeaStar Medical had a negative trailing twelve-month return on equity of 162.75% and a negative net margin of 795.51%. Read the conference call transcript. When did SeaStar Medical's stock split? SeaStar Medical shares reverse split on Monday, January 5th 2026.The 1-10 reverse split was announced on Tuesday, December 23rd 2025. The number of shares owned by shareholders was adjusted after the closing bell on Friday, January 2nd 2026. An investor that had 100 shares of stock prior to the reverse split would have 10 shares after the split. How do I buy shares of SeaStar Medical? Shares of ICU stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of SeaStar Medical own? Based on aggregate information from My MarketBeat watchlists, some other companies that SeaStar Medical investors own include Meta Platforms (META), Pfizer (PFE), Energy Transfer (ET), JPMorgan Chase & Co. (JPM), Kinder Morgan (KMI) and Visa (V). Company Calendar Last Earnings8/12/2026Today9/30/2026Next Earnings (Estimated)11/12/2026Fiscal Year End12/31/2026Get Stock Alerts Health Indicator TradeSmith's Health IndicatorA long-term volatility-based measure designed for securities held 12 months or longer.Green: Strong and healthy uptrend with normal pullbacks.Yellow: Significant pullback but still within expected volatility.Red: Dropped beyond expected volatility; considered unhealthy. Yellow Zone (11m+) 1-Year History Sep 25 Dec 25 Mar 26 Jun 26 Sep 26 ICU's financial health is in the Yellow zone, according to TradeSmith. ICU has been in this zone for over 11 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorHealthcare Industry Healthcare Equipment & Supplies Sub-IndustryHealthcare Equipment Current SymbolNASDAQ:ICU CIK1831868 Webseastarmedical.com Phone844-427-8100FaxN/AEmployees2Year FoundedN/APrice Target and Rating Average Price Target for SeaStar Medical$8.00 High Price Target$8.00 Low Price Target$8.00 Potential Upside/Downside+124.7%Consensus RatingHold Rating Score (0-4)2.00 Research Coverage2 Analysts Profitability EPS (Trailing Twelve Months)($3.91) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$12.15 million Net Margins-795.51% Pretax Margin-795.33% Return on Equity-162.75% Return on Assets-109.89% Debt Debt-to-Equity RatioN/A Current Ratio1.89 Quick Ratio1.87 Sales & Book Value Annual Sales$1.23 million Price / Sales12.76 Cash FlowN/A Price / Cash FlowN/A Book Value$2.75 per share Price / Book1.29Miscellaneous Outstanding Shares4,410,000Free Float4,376,000Market Cap$15.70 million OptionableNot Optionable Beta-1.05 Options Trading Made Easy - Download NowLearn the basics of options trading and how to use them to boost returns and manage risk with this free report from MarketBeat. Click the link below to get your free copy.Get This Free Report This page (NASDAQ:ICU) was last updated on 9/30/2026 by MarketBeat.com Staff. From Our PartnersDr. Ron Paul Issues New Warning: “The Next Financial Crisis Is Here”Dr. Ron Paul warns a dangerous experiment is already underway in Washington, involving at least 27 billion dol...Altimetry | SponsoredThis AI Stock Reminds One Analyst of Early NvidiaJeff Brown picked Nvidia in 2016, before shares surged 37,800 percent. Now he's identified another AI company ...Brownstone Research | SponsoredI've seen this movie before (last time: 17,556%)My track record speaks for itself... KDA: 17,556%. PRE: 3,900%. OCEAN: 2,650%. 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