NASDAQ:CTSO Cytosorbents (CTSO) Stock Price, News & Analysis $3.79 +0.06 (+1.61%) Closing price 10/9/2026 04:00 PM EasternExtended Trading$3.89 +0.10 (+2.59%) As of 10/9/2026 07:33 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$3.59▼$3.8050-Day Range$3.73▼$8.0052-Week Range$3.59▼$19.71Volume6,229 shsAverage Volume11,017 shsMarket Capitalization$11.94 millionP/E RatioN/ADividend YieldN/APrice Target$107.50Consensus RatingHold Company Overview CytoSorbents Corporation is a medical device company that develops blood purification technologies designed to remove harmful substances from the bloodstream. Its products use proprietary, porous polymer adsorbent technology to reduce circulating cytokines, inflammatory mediators, toxins and other substances associated with serious illness. The company’s principal product, CytoSorb, is an extracorporeal blood purification device used in critical care and other clinical settings. It is designed to help manage excessive inflammation and is used with existing blood-pumping systems. CytoSorbents has also developed additional products and investigational therapies for applications including cardiac surgery, kidney disease, liver failure and other conditions in which blood purification may be beneficial. Founded in 2001 and headquartered in Princeton, New Jersey, CytoSorbents serves healthcare markets internationally through direct sales and distribution partners. Its products have received regulatory clearances or approvals in various jurisdictions, including Europe, while other products and applications remain under clinical or regulatory review in certain markets.AI Generated. May Contain Errors. Read More Cytosorbents Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks41st Percentile Overall ScoreCTSO MarketRank™: Cytosorbents scored higher than 41% of companies evaluated by MarketBeat, and ranked 287th out of 881 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 2,736.4% upside from its current price of $3.79.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 -0.65, 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 -0.65, 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 2.02. 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 Interest1.0 / 5Short Interest LevelBearish Percentage of Shares Shorted4.26% of the float of Cytosorbents has been sold short.Short Interest Ratio / Days to CoverCytosorbents has a short interest ratio ("days to cover") of 11.98, which indicates bearish sentiment.Change versus previous monthShort interest in Cytosorbents has recently increased by 2.72%, indicating that investor sentiment is decreasing. 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 Media0.6 / 5News SentimentN/A News Coverage This WeekMarketBeat has tracked 1 news article 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 0.7760% 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. 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CTSO Stock News HeadlinesAnalyzing Zynex (NASDAQ:ZYXI) and Cytosorbents (NASDAQ:CTSO)October 1, 2026 | americanbankingnews.comCytoSorbents Announces New Data Presentations at Upcoming International Conferences in Cardiac Surgery and Critical CareSeptember 30, 2026 | prnewswire.comNo. 1 stock to cash in on the death of iPhoneAnalyst Josh Baylin, who warned Congress about smartphones years before the iPhone launched, says the world's richest man may be building an iPhone rival he calls Starphone. Baylin points to FCC rulings, two trademarks filed the same day, multibillion-dollar spectrum deals, chip partnerships, and a string of posts from Elon Musk as evidence pointing to one conclusion. See the full research and the stock Baylin is watching now. | Stansberry Research (Ad)Cytosorbents CorpSeptember 25, 2026 | money.usnews.comCytoSorbents 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.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 start of the year. Since then, CTSO shares have decreased by 70.4% and is now trading at $3.79. How were Cytosorbents' earnings last quarter? Cytosorbents Corporation (NASDAQ:CTSO) posted its quarterly earnings data on Thursday, August, 6th. The medical research company reported ($0.07) EPS for the quarter, topping the consensus estimate of ($0.80) by $0.73. The medical research company earned $9.63 million during the quarter, compared to the consensus estimate of $9.39 million. Cytosorbents had a negative net margin of 48.94% and a negative trailing twelve-month return on equity of 431.65%. Read the conference call transcript. When did Cytosorbents' stock split? Cytosorbents's stock reverse split on the morning of Tuesday, September 8th 2026.A 1-20 reverse split was announced. The number of shares owned by shareholders was adjusted after the closing bell 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 Earnings8/06/2026Today10/09/2026Next 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+2,736.4%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 / Sales0.32 Cash FlowN/A Price / Cash FlowN/A Book Value$1.88 per share Price / Book2.02Miscellaneous Outstanding Shares3,151,000Free Float2,905,000Market Cap$11.94 million OptionableOptionable Beta1.37 Social Links 7 Stocks That Will Be Magnificent in 2026Discover the next wave of investment opportunities with our report, 7 Stocks That Will Be Magnificent in 2026. 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