NASDAQ:CTSO Cytosorbents (CTSO) Stock Price, News & Analysis $3.90 -0.10 (-2.50%) Closing price 09/30/2026 04:00 PM EasternExtended Trading$4.34 +0.44 (+11.28%) As of 09/30/2026 07:30 PM 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 TrendsOptions ChainOwnershipSEC Filings About Cytosorbents Stock (NASDAQ:CTSO) 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 Cytosorbents alerts:Sign Up Key Stats Today's Range$3.77▼$4.1550-Day Range$3.90▼$8.0052-Week Range$3.77▼$20.40Volume13,674 shsAverage Volume27,815 shsMarket Capitalization$12.29 millionP/E RatioN/ADividend YieldN/APrice Target$107.50Consensus RatingHold Company Overview CytoSorbents Corporation develops medical devices and blood-purification technologies designed to remove harmful substances from the bloodstream. Its proprietary technology uses porous polymer adsorbent beads that can capture and reduce levels of inflammatory mediators, drugs, toxins and other compounds without selectively removing beneficial blood components. The company’s principal product, CytoSorb, is used in extracorporeal blood purification applications, including the management of cytokine storms and other inflammatory conditions associated with critical illness, cardiac surgery, trauma and sepsis. CytoSorbents also markets or develops related products, including DrugSorb-ATR, which is designed to remove certain antiplatelet and anticoagulant drugs during cardiac surgery, and VetResQ, a veterinary blood-purification product. CytoSorbents is headquartered in Princeton, New Jersey, and serves international markets through regulatory clearances, distributors and commercial partnerships. CytoSorb has been available in Europe and other markets outside the United States, while certain additional products and indications remain subject to regulatory review or clinical development. The company’s products are intended for use with established extracorporeal treatment systems in hospitals and other clinical settings.AI Generated. May Contain Errors. Read More Cytosorbents Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks76th Percentile Overall ScoreCTSO MarketRank™: Cytosorbents scored higher than 76% of companies evaluated by MarketBeat, and ranked 141st out of 891 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 RatingCytosorbents 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, 1 hold rating, and 1 sell rating.Upside PotentialCytosorbents has a consensus price target of $107.50, representing about 2,656.4% upside from its current price of $3.90.Amount of Analyst CoverageCytosorbents has only been the subject of 1 research reports in the past 90 days.Read more about Cytosorbents' stock forecast and price target. Earnings and Valuation0.6 / 5Proj. Earnings GrowthGrowing Earnings GrowthEarnings for Cytosorbents are expected to grow in the coming year, from ($4.40) to ($0.90) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Cytosorbents is -0.67, 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 Cytosorbents is -0.67, 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 RatioCytosorbents has a P/B Ratio of 2.07. P/B Ratios below 3 indicates that a company is reasonably valued with respect to its assets and liabilities.Read more about Cytosorbents' valuation and earnings. Short Interest5.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted4.15% of the float of Cytosorbents has been sold short.Short Interest Ratio / Days to CoverCytosorbents has a short interest ratio ("days to cover") of 2.65, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in Cytosorbents has recently decreased by 94.77%, indicating that investor sentiment is improving significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldCytosorbents does not currently pay a dividend.Dividend GrowthCytosorbents does not have a long track record of dividend growth. News and Social Media2.9 / 5News Sentiment0.70 News SentimentCytosorbents has a news sentiment score of 0.70. 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 news sentiment score is similar to the average news sentiment of Healthcare companies.News Coverage This WeekMarketBeat has tracked 4 news articles for Cytosorbents this week, compared to 3 articles on an average week.MarketBeat Follows1 people have added Cytosorbents to their MarketBeat watchlist in the last 30 days. Company Ownership3.5 / 5Insider TradingAcquiring Shares Net Insider BuyingOver the last three months, insiders have purchased a net $92,644.00 in company stock, which represents 0.7539% of the company's market cap.Insider Buying vs. Insider SellingIn the past three months, Cytosorbents insiders have bought more of their company's stock than they have sold. Specifically, they have bought $92,644.00 in company stock and sold $0.00 in company stock.Percentage Held by Insiders7.80% of the stock of Cytosorbents is held by insiders.Percentage Held by Institutions32.87% of the stock of Cytosorbents is held by institutions.Read more about Cytosorbents' insider trading history. Receive CTSO Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Cytosorbents and its competitors with MarketBeat's FREE daily newsletter. Submit View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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. CTSO Stock News HeadlinesCytoSorbents Announces New Data Presentations at Upcoming International Conferences in Cardiac Surgery and Critical CareSeptember 30 at 7:00 AM | prnewswire.comCytosorbents CorpSeptember 25, 2026 | money.usnews.comMy top 3 AI picks for the next decadeAlexander Green bought Apple in 1996, recommended Nvidia at a split-adjusted 66 cents in 2004, and picked up Amazon and Netflix under $3 per share in 2005. Now the chief investment strategist at The Oxford Club has identified three AI stocks he believes could be the most profitable investments of the next decade. | The Oxford Club (Ad)CytoSorbents Regains Compliance with Nasdaq Minimum Bid Price RequirementSeptember 23, 2026 | prnewswire.comCytosorbents (NASDAQ:CTSO) CEO Acquires 3,774 Shares of StockSeptember 17, 2026 | insidertrades.comCytoSorbents op H.C. Wainwright conferentie: breakeven, medicijnhoopSeptember 16, 2026 | nl.investing.comCytoSorbents出席H.C. Wainwright大会:接近盈亏平衡,新药前景可期September 16, 2026 | cn.investing.comPhillip Chan Acquires 200,000 Shares of Cytosorbents (NASDAQ:CTSO) StockSeptember 10, 2026 | insidertrades.comSee More Headlines CTSO Stock Analysis - Frequently Asked Questions How have CTSO shares performed this year? Cytosorbents' stock was trading at $12.7840 at the beginning of 2026. Since then, CTSO shares have decreased by 69.5% and is now trading at $3.90. How were Cytosorbents' earnings last quarter? Cytosorbents Corporation (NASDAQ:CTSO) issued its quarterly earnings results on Thursday, August, 6th. The medical research company reported ($0.07) earnings per share for the quarter, beating the consensus estimate of ($0.80) by $0.73. The medical research company had revenue of $9.63 million for the quarter, compared to analyst estimates of $9.39 million. Cytosorbents had a negative trailing twelve-month return on equity of 431.65% and a negative net margin of 48.94%. Read the conference call transcript. When did Cytosorbents' stock split? Cytosorbents shares reverse split on Tuesday, September 8th 2026.A 1-20 reverse split was announced. The number of shares owned by shareholders was adjusted after the market closes on Monday, September 7th 2026. An investor that had 100 shares of stock prior to the reverse split would have 5 shares after the split. How do I buy shares of Cytosorbents? Shares of CTSO 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 Cytosorbents own? Based on aggregate information from My MarketBeat watchlists, some other companies that Cytosorbents investors own include Cuisine Solutions (CUSI), InnerScope Hearing Technologies (INND), Gilead Sciences (GILD), Johnson & Johnson (JNJ), Corning (GLW), UnitedHealth Group (UNH) and Docusign (DOCU). Company Calendar Last Earnings8/06/2026Today9/30/2026Next 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. Red Zone (6m+) 1-Year History Oct 25 Jan 26 Apr 26 Jul 26 Oct 26 CTSO's financial health is in the Red zone, according to TradeSmith. CTSO has been in this zone for over 6 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorHealthcare Industry Healthcare Equipment & Supplies Sub-IndustryHealthcare Equipment Current SymbolNASDAQ:CTSO CIK1175151 Webwww.cytosorbents.com Phone(973) 329-8885Fax732-329-8650Employees129Year Founded2002Price Target and Rating Average Price Target for Cytosorbents$107.50 High Price Target$200.00 Low Price Target$15.00 Potential Upside/Downside+2,656.4%Consensus RatingHold Rating Score (0-4)2.00 Research Coverage3 Analysts Profitability EPS (Trailing Twelve Months)($5.80) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$8.20 million Net Margins-48.94% Pretax Margin-50.01% Return on Equity-431.65% Return on Assets-41.94% Debt Debt-to-Equity Ratio4.70 Current Ratio0.66 Quick Ratio0.50 Sales & Book Value Annual Sales$37.22 million Price / Sales0.33 Cash FlowN/A Price / Cash FlowN/A Book Value$1.88 per share Price / Book2.07Miscellaneous Outstanding Shares3,151,000Free Float2,905,000Market Cap$12.29 million OptionableOptionable Beta1.34 Social Links The 7 Hottest IPO Stories of 2026MarketBeat just released its list of the 7 hottest IPOs expected to hit Wall Street in 2026. See which companies are preparing to go public and why investors are watching closely.Get This Free Report This page (NASDAQ:CTSO) was last updated on 10/1/2026 by MarketBeat.com Staff. From Our PartnersALERT: Drop these 5 stocks before the market opens tomorrow!The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings researc...Weiss Ratings | SponsoredTrump's New DollarPorter Stansberry says President Trump has signed an executive order initiating what he calls a full U.S. doll...Porter & Company | SponsoredSmall Colorado Company (Backed by Sam Altman) Could Save U.S. Power GridA small Colorado company has secured rights to technology that could prevent the U.S. public power grid from c...Altimetry | SponsoredReady to give options a try? 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