Trending NewsTrending NewsNASDAQ:GOSS Gossamer Bio (GOSS) Stock Price, News & Analysis $0.23 +0.02 (+9.38%) Closing price 05/29/2026 04:00 PM EasternExtended Trading$0.22 -0.02 (-6.89%) As of 05/29/2026 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 TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock About Gossamer Bio Stock (NASDAQ:GOSS) 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 Gossamer Bio alerts:Sign Up Key Stats Today's Range$0.20▼$0.2350-Day Range$0.19▼$0.4552-Week Range$0.16▼$3.87Volume13.20 million shsAverage Volume11.50 million shsMarket Capitalization$54.19 millionP/E RatioN/ADividend YieldN/APrice Target$5.00Consensus RatingHold Company Overview Gossamer Bio, Inc. is a clinical-stage biopharmaceutical company headquartered in San Diego, California. Founded in 2012, the company is focused on discovering and developing oral, once-daily therapies for immune-mediated and inflammatory diseases, as well as oncology indications. Gossamer Bio leverages a deep pipeline of small-molecule candidates aimed at improving patient outcomes in areas of high unmet need. The company’s lead programs include GB004, an S1P1 receptor modulator in late-stage development for ulcerative colitis, and GB1275, a CD11b modulator being investigated in solid tumors and hematologic malignancies. In addition to these clinical-stage assets, Gossamer Bio maintains several earlier-stage programs targeting pathways such as integrin and TGF-β signaling. The company’s R&D efforts are supported by a combination of in-house research capabilities and external collaborations with academic centers and contract research organizations. Gossamer Bio completed its initial public offering in July 2019 and has since advanced multiple clinical trials across North America and selected international sites. The company is led by President and Chief Executive Officer Thomas A. Whiting, a veteran of the biopharmaceutical industry with over 25 years of drug development experience. Under his leadership, Gossamer Bio continues to build a multidisciplinary management team focused on accelerating the translation of scientific insights into therapeutic candidates.AI Generated. May Contain Errors. Read More Gossamer Bio Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks47th Percentile Overall ScoreGOSS MarketRank™: Gossamer Bio scored higher than 47% of companies evaluated by MarketBeat, and ranked 636th out of 870 stocks in the medical sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion3.9 / 5Analyst RatingHold Consensus RatingGossamer Bio has received a consensus rating of Hold. The company's average rating score is 2.20, and is based on no strong buy ratings, 4 buy ratings, 4 hold ratings, and 2 sell ratings.Upside PotentialGossamer Bio has a consensus price target of $5.00, representing about 2,065.4% upside from its current price of $0.23.Amount of Analyst CoverageGossamer Bio has only been the subject of 4 research reports in the past 90 days.Read more about Gossamer Bio's stock forecast and price target. Earnings and Valuation0.6 / 5Proj. Earnings GrowthGrowing Earnings GrowthEarnings for Gossamer Bio are expected to grow in the coming year, from ($0.52) to ($0.17) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Gossamer Bio is -0.29, 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 Gossamer Bio is -0.29, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Read more about Gossamer Bio's valuation and earnings. Short Interest0.0 / 5Short Interest LevelBearish Percentage of Shares Shorted18.75% of the float of Gossamer Bio has been sold short.Short Interest Ratio / Days to CoverGossamer Bio has a short interest ratio ("days to cover") of 11.48, which indicates bearish sentiment.Change versus previous monthShort interest in Gossamer Bio has recently increased by 2.05%, indicating that investor sentiment is decreasing. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldGossamer Bio does not currently pay a dividend.Dividend GrowthGossamer Bio does not have a long track record of dividend growth. News and Social Media3.2 / 5News Sentiment0.08 News SentimentGossamer Bio has a news sentiment score of 0.08. 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 0.82 average news sentiment score of Medical companies.News Coverage This WeekMarketBeat has tracked 36 news articles for Gossamer Bio this week, compared to 7 articles on an average week.Search Interest11 people have searched for GOSS on MarketBeat in the last 30 days. This is an increase of 22% compared to the previous 30 days.MarketBeat Follows4 people have added Gossamer Bio to their MarketBeat watchlist in the last 30 days. This is an increase of 300% compared to the previous 30 days. Company Ownership1.0 / 5Insider TradingN/A Insider Buying vs. Insider SellingIn the past three months, Gossamer Bio insiders have not sold or bought any company stock.Percentage Held by Insiders7.20% of the stock of Gossamer Bio is held by insiders.Percentage Held by Institutions81.23% of the stock of Gossamer Bio is held by institutions. High institutional ownership can be a signal of strong market trust in this company.Read more about Gossamer Bio's insider trading history. Receive GOSS Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Gossamer Bio 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. 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(GOSS) Faces Securities Class Action Amid 80% Drop On Phase 3 PROSERA Trial Failure– HBSSMay 29 at 2:48 PM | globenewswire.comJune 12: $100 Turns Into $100,000?The SpaceX IPO is scheduled for June 12, and former tech executive Jeff Brown - who identified Bitcoin, Tesla, and Nvidia before major runs - says the window to get in early is closing fast. Brown is showing investors how to claim a stake in Elon Musk's company before it hits the public markets. Once the IPO happens, this pre-public opportunity disappears.May 30 at 1:00 AM | Brownstone Research (Ad)GOSSAMER BIO DEADLINE MONDAY JUNE 1st: Bragar Eagel & Squire, P.C. Urges Gossamer Bio, Inc. (NASDAQ:GOSS) Investors with Large Losses to Contact the Firm Before Monday June 1stMay 29 at 1:02 PM | globenewswire.comGOSS UPCOMING DEADLINE: Faruqi & Faruqi, LLP Reminds Gossamer Bio (GOSS) Investors of Securities Class Action Deadline on June 1, 2026May 29 at 9:35 AM | prnewswire.comThe Gross Law Firm Reminds Gossamer Bio, Inc. Investors of the Pending Class Action Lawsuit With a Lead Plaintiff Deadline of June 1, 2026 - GOSSMay 29 at 9:00 AM | globenewswire.comGossamer Bio Deadline: GOSS Investors with Losses in Excess of $100K Have Opportunity to Lead Gossamer Bio, Inc. Securities Fraud LawsuitMay 28 at 7:10 PM | prnewswire.comGossamer Bio, Inc. (GOSS) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud LawsuitMay 28 at 3:28 PM | prnewswire.comSee More Headlines GOSS Stock Analysis - Frequently Asked Questions How have GOSS shares performed this year? Gossamer Bio's stock was trading at $3.10 at the beginning of 2026. Since then, GOSS shares have decreased by 92.6% and is now trading at $0.2309. How were Gossamer Bio's earnings last quarter? Gossamer Bio, Inc. (NASDAQ:GOSS) announced its earnings results on Monday, May, 18th. The company reported ($0.20) EPS for the quarter, missing analysts' consensus estimates of ($0.17) by $0.03. The business had revenue of $16.96 million for the quarter, compared to analysts' expectations of $4.67 million. Read the conference call transcript. When did Gossamer Bio IPO? Gossamer Bio (GOSS) raised $230 million in an IPO on Friday, February 8th 2019. The company issued 14,400,000 shares at a price of $16.00 per share. BofA Merrill Lynch, Leerink Partners, Barclays and Evercore ISI acted as the underwriters for the IPO. Who are Gossamer Bio's major shareholders? Top institutional investors of Gossamer Bio include Kalehua Capital Management LLC (4.36%), Octagon Capital Advisors LP (3.30%), Bank of America Corp DE (1.35%) and Rock Springs Capital Management LP (0.69%). Insiders that own company stock include Faheem Hasnain, Richard Aranda and Bryan Giraudo. View institutional ownership trends. How do I buy shares of Gossamer Bio? Shares of GOSS 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 Gossamer Bio own? Based on aggregate information from My MarketBeat watchlists, some other companies that Gossamer Bio investors own include Voyager Therapeutics (VYGR), Waste Connections (WCN), American Water Works (AWK), DiamondRock Hospitality (DRH), The RMR Group (RMR), AUO (AUOTY) and iShares Micro-Cap ETF (IWC). Company Calendar Last Earnings5/18/2026Today5/30/2026Next Earnings (Estimated)8/04/2026Fiscal 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 (3m+) 1-Year History May 25 Aug 25 Nov 25 Feb 26 May 26 GOSS's financial health is in the Red zone, according to TradeSmith. GOSS has been in this zone for over 3 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry MED - BIOMED/GENE Sub-IndustryPharmaceutical Products Current SymbolNASDAQ:GOSS CIK1728117 Webwww.gossamerbio.com Phone(858) 684-1300FaxN/AEmployees180Year Founded2015Price Target and Rating Average Price Target for Gossamer Bio$5.00 High Price Target$11.00 Low Price Target$1.00 Potential Upside/Downside+2,065.4%Consensus RatingHold Rating Score (0-4)2.20 Research Coverage10 Analysts Profitability EPS (Trailing Twelve Months)($0.79) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$170.37 million Net Margins-324.82% Pretax Margin-324.98% Return on EquityN/A Return on Assets-96.10% Debt Debt-to-Equity RatioN/A Current Ratio2.20 Quick Ratio2.20 Sales & Book Value Annual Sales$55.54 million Price / Sales0.98 Cash FlowN/A Price / Cash FlowN/A Book Value($0.69) per share Price / Book-0.33Miscellaneous Outstanding Shares234,696,000Free Float217,798,000Market Cap$54.19 million OptionableOptionable Beta2.15 Social Links 5G Stocks: The Path Forward is ProfitableClick the link to see MarketBeat's guide to investing in 5G and which 5G stocks show the most promise. Get This Free Report This page (NASDAQ:GOSS) was last updated on 5/30/2026 by MarketBeat.com Staff. From Our PartnersA 25,000% opportunityAngel investor Jason Calacanis - who made a fortune on an early Uber stake - says Elon Musk's latest project c...The Oxford Club | SponsoredThe SpaceX S-1 changes everythingSpaceX just filed its IPO paperwork. 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