Positive News SentimentPositive NewsNASDAQ:GLSI Greenwich LifeSciences (GLSI) Stock Price, News & Analysis $23.46 +0.21 (+0.90%) Closing price 04:00 PM EasternExtended Trading$23.66 +0.20 (+0.84%) As of 07:59 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 EventsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock About Greenwich LifeSciences Stock (NASDAQ:GLSI) 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 Greenwich LifeSciences alerts:Sign Up Key Stats Today's Range$23.13▼$24.6050-Day Range$18.33▼$29.2352-Week Range$7.78▼$34.10Volume127,453 shsAverage Volume158,779 shsMarket Capitalization$344.39 millionP/E RatioN/ADividend YieldN/APrice Target$47.50Consensus RatingHold Company Overview Greenwich LifeSciences, Inc. (NASDAQ: GLSI) is a clinical-stage biotechnology company focused on the development of novel immune modulators for the treatment of cancer and autoimmune diseases. The company’s product pipeline includes candidates engineered to activate or regulate key components of the innate and adaptive immune systems, with programs advancing through preclinical and early-stage clinical studies. Headquartered in Greenwich, Connecticut, Greenwich LifeSciences conducts its research and development activities primarily in the United States. The company leverages proprietary technologies to identify immune-modulating compounds and works with contract research organizations to support its preclinical and clinical programs. Greenwich LifeSciences pursues strategic collaborations and licensing arrangements to expand its scientific expertise and accelerate the progress of its therapeutic candidates. With a focus on unmet medical needs in oncology and inflammatory disorders, the company aims to bring first-in-class or best-in-class treatments to patients through disciplined clinical development and regulatory strategies.AI Generated. May Contain Errors. Read More Greenwich LifeSciences Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks45th Percentile Overall ScoreGLSI MarketRank™: Greenwich LifeSciences scored higher than 45% of companies evaluated by MarketBeat, and ranked 579th out of 851 stocks in the medical sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion3.4 / 5Analyst RatingHold Consensus RatingGreenwich LifeSciences has received a consensus rating of Hold. The company's average rating score is 2.33, and is based on no strong buy ratings, 2 buy ratings, no hold ratings, and 1 sell rating.Upside PotentialGreenwich LifeSciences has a consensus price target of $47.50, representing about 102.5% upside from its current price of $23.46.Amount of Analyst CoverageGreenwich LifeSciences has only been the subject of 1 research reports in the past 90 days.Read more about Greenwich LifeSciences' stock forecast and price target. Earnings and Valuation0.0 / 5Proj. Earnings GrowthN/A Price to Earnings Ratio vs. the MarketThe P/E ratio of Greenwich LifeSciences is -14.94, 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 Greenwich LifeSciences is -14.94, 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 RatioGreenwich LifeSciences has a P/B Ratio of 782.00. P/B Ratios above 3 indicate that a company could be overvalued with respect to its assets and liabilities.Read more about Greenwich LifeSciences' valuation and earnings. Short Interest2.0 / 5Short Interest LevelBearish Percentage of Shares Shorted20.52% of the float of Greenwich LifeSciences has been sold short.Short Interest Ratio / Days to CoverGreenwich LifeSciences has a short interest ratio ("days to cover") of 9.02.Change versus previous monthShort interest in Greenwich LifeSciences has recently decreased by 3.74%, indicating that investor sentiment is improving. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldGreenwich LifeSciences does not currently pay a dividend.Dividend GrowthGreenwich LifeSciences does not have a long track record of dividend growth. News and Social Media3.7 / 5News SentimentN/A News SentimentGreenwich LifeSciences has a news sentiment score of 1.89. 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 higher news sentiment than the 0.86 average news sentiment score of Medical companies.News Coverage This WeekMarketBeat has tracked 1 news article for Greenwich LifeSciences this week, compared to 3 articles on an average week.Search Interest3 people have searched for GLSI on MarketBeat in the last 30 days. This is an increase of 200% compared to the previous 30 days.MarketBeat FollowsOnly 1 people have added Greenwich LifeSciences to their MarketBeat watchlist in the last 30 days. This is a decrease of -50% compared to the previous 30 days. Company Ownership0.8 / 5Insider TradingN/A Insider Buying vs. Insider SellingIn the past three months, Greenwich LifeSciences insiders have not sold or bought any company stock.Percentage Held by Insiders51.47% of the stock of Greenwich LifeSciences is held by insiders. A high percentage of insider ownership can be a sign of company health.Percentage Held by Institutions4.16% of the stock of Greenwich LifeSciences is held by institutions.Read more about Greenwich LifeSciences' insider trading history. Receive GLSI Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Greenwich LifeSciences 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. GLSI Stock News HeadlinesGLSI stock climbs after removing a key overhang – retail turns focus to high-stakes breast cancer trialJune 2, 2026 | msn.comGreenwich LifeSciences Presents FLAMINGO-01 Phase III Trial Open Label Data Published at ASCO Meeting 2026June 1, 2026 | globenewswire.comBlackRock is hoarding it. JPMorgan is hoarding it. Do you own it?BlackRock, JPMorgan, Goldman Sachs, and Fidelity are reportedly accumulating a scarce blockchain asset - one that gets burned with every transaction on what analysts are calling America's new financial grid. The Nasdaq has received SEC approval to move stocks onto blockchain rails, and BlackRock CEO Larry Fink dedicated his entire 2026 annual letter to this infrastructure shift. Blockchain analyst Andy Howard is calling this asset 'Digital Oil' - and says institutional buyers are already positioned.June 30 at 1:00 AM | Awesomely, LLC (Ad)Greenwich LifeSciences, Inc. Provides Update on 2025 Form 10-K Filing and Phase III Clinical Trial ProgressJune 1, 2026 | quiverquant.comQGreenwich LifeSciences Provides Update Regarding Form 10-K FilingJune 1, 2026 | globenewswire.comGreenwich LifeSciences, Inc.: Greenwich LifeSciences Announces Receipt of Nasdaq Notice Regarding Late Form 10-Q FilingMay 23, 2026 | finanznachrichten.deGreenwich LifeSciences Announces Receipt of Nasdaq Notice Regarding Late Form 10-Q FilingMay 22, 2026 | globenewswire.comGreenwich LifeSciences Provides Update Regarding Form 10-K FilingApril 30, 2026 | globenewswire.comSee More Headlines GLSI Stock Analysis - Frequently Asked Questions How have GLSI shares performed this year? Greenwich LifeSciences' stock was trading at $21.01 at the start of the year. Since then, GLSI stock has increased by 11.7% and is now trading at $23.46. How were Greenwich LifeSciences' earnings last quarter? Greenwich LifeSciences, Inc. (NASDAQ:GLSI) issued its quarterly earnings results on Friday, November, 14th. The company reported ($0.30) earnings per share for the quarter, hitting the consensus estimate of ($0.30). When did Greenwich LifeSciences IPO? Greenwich LifeSciences (GLSI) raised $8 million in an IPO on Friday, September 25th 2020. The company issued 1,260,870 shares at a price of $5.75-$6.75 per share. Aegis Capital served as the underwriter for the IPO. How do I buy shares of Greenwich LifeSciences? Shares of GLSI 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 Greenwich LifeSciences own? Based on aggregate information from My MarketBeat watchlists, some other companies that Greenwich LifeSciences investors own include Zomedica (ZOM), Jumia Technologies (JMIA), Tesla (TSLA), Advanced Micro Devices (AMD), Netflix (NFLX), Meta Platforms (META) and NVIDIA (NVDA). Company Calendar Last Earnings11/14/2025Today6/30/2026Next Earnings (Estimated)8/13/2026Fiscal 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. Green Zone (1d) 1-Year History Jun 25 Sep 25 Dec 25 Mar 26 Jun 26 GLSI's financial health is in the Green zone, according to TradeSmith. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry MED - BIOMED/GENE Sub-IndustryPharmaceutical Products Current SymbolNASDAQ:GLSI CIK1799788 Webwww.greenwichlifesciences.com Phone832-819-3232FaxN/AEmployees3Year Founded2006Price Target and Rating Average Price Target for Greenwich LifeSciences$47.50 High Price Target$50.00 Low Price Target$45.00 Potential Upside/Downside+102.5%Consensus RatingHold Rating Score (0-4)2.33 Research Coverage3 Analysts Profitability EPS (Trailing Twelve Months)($1.57) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$19.36 million Net MarginsN/A Pretax MarginN/A Return on Equity-941.15% Return on Assets-368.53% Debt Debt-to-Equity RatioN/A Current Ratio2.01 Quick Ratio2.01 Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book Value$0.03 per share Price / Book782.00Miscellaneous Outstanding Shares14,680,000Free Float7,123,000Market Cap$344.39 million OptionableNot Optionable Beta1.40 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:GLSI) was last updated on 6/30/2026 by MarketBeat.com Staff. From Our PartnersPH: Do THESE 4 things to your bank account now …In a few short months, the US government could gain unprecedented powers over personal bank accounts - includi...Weiss Ratings | SponsoredBlackRock is hoarding it. JPMorgan is hoarding it. Do you own it?BlackRock, JPMorgan, Goldman Sachs, and Fidelity are reportedly accumulating a scarce blockchain asset - one t...Awesomely, LLC | SponsoredTrump's gold order: the announcement they won't put on the front pageOn August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...Reagan Gold Group | SponsoredThe startup growing 23 times faster than NvidiaAn official SEC document contains a name Elon Musk revealed on page 146 - a startup that one analyst believes ...Brownstone Research | SponsoredDo NOT Buy SpaceX – Do This InsteadSpaceX just went public - and Whitney Tilson, Harvard MBA and 30-year Wall Street veteran, says buying in coul...Stansberry Research | SponsoredBuy this stock todayMarc Chaikin, founder of Chaikin Analytics, is sharing a strategy he calls 'Sell This, Buy That' - a way to mo...Chaikin Analytics | SponsoredThe cat is out the bagAlmost 80,000 tech jobs vanished in the first three months of 2026. Meta cut 14,000 roles, Microsoft offered s...Porter & Company | SponsoredYour $29.97 book is free todayWhy Some Traders Skip Stocks Entirely You don't need a big account to trade options. In fact, options ca...Profits Run | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Greenwich LifeSciences, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Greenwich LifeSciences With A Colleague Link copied to clipboard. Unlock superior investment research and tools. Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools and reports. Get MarketBeat All Access MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In Email Me a Login Link or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Free GLSI Stock Alerts