NASDAQ:GTBP GT Biopharma (GTBP) Stock Price, News & Analysis $0.48 +0.03 (+7.36%) Closing price 04:00 PM EasternExtended Trading$0.48 +0.00 (+0.17%) As of 07:55 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 EventsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock About GT Biopharma Stock (NASDAQ:GTBP) 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 GT Biopharma alerts:Sign Up Key Stats Today's Range$0.44▼$0.5050-Day Range$0.27▼$0.4852-Week Range$0.26▼$3.85Volume3.45 million shsAverage Volume2.04 million shsMarket Capitalization$17.24 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingSell Company Overview GT Biopharma, Inc. is a clinical-stage biopharmaceutical company dedicated to developing novel immuno-oncology therapies utilizing its proprietary Tri-specific NK cell engager (TriKE) platform. This technology is designed to harness and enhance the body’s natural killer (NK) cells by simultaneously binding tumor antigens and interleukin-15 (IL-15), stimulating NK cell proliferation and targeted cytotoxicity. By focusing on NK cell engagement rather than T-cell activation, the company aims to offer therapies with potentially improved safety profiles and reduced immune-related adverse events. The company’s lead candidate, GTB-3550, is currently in clinical trials for hematologic malignancies such as acute myeloid leukemia (AML), chronic lymphocytic leukemia (CLL) and myelodysplastic syndromes (MDS). Beyond GTB-3550, GT Biopharma is advancing a pipeline of preclinical TriKE constructs aimed at both hematologic and solid tumors, as well as exploring applications in infectious diseases. The modular nature of the TriKE platform enables rapid development of new molecules targeting diverse antigens, supporting strategic combination therapies and expansion into multiple oncology indications. Founded in 2015 with technology originally licensed from the National Institutes of Health, GT Biopharma is headquartered in Tempe, Arizona, and conducts research and development operations in the United States. The company collaborates with leading academic institutions and global clinical sites to advance its pipeline. Under the leadership of President and CEO Scott K. Koenig, GT Biopharma continues to pursue its mission of delivering next-generation cell-engaging therapies to improve outcomes for patients with cancer and beyond.AI Generated. May Contain Errors. Read More GT Biopharma Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks10th Percentile Overall ScoreGTBP MarketRank™: GT Biopharma scored higher than 10% of companies evaluated by MarketBeat, and ranked 850th out of 871 stocks in the medical sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion0.7 / 5Analyst RatingSell Consensus RatingGT Biopharma has received a consensus rating of Sell. The company's average rating score is 1.00, and is based on no strong buy ratings, no buy ratings, no hold ratings, and 1 sell rating.Amount of Analyst CoverageGT Biopharma has only been the subject of 1 research reports in the past 90 days.Read more about GT Biopharma's stock forecast and price target. Earnings and Valuation0.6 / 5Proj. Earnings GrowthGrowing Earnings GrowthEarnings for GT Biopharma are expected to grow in the coming year, from ($0.34) to ($0.27) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of GT Biopharma is -0.08, 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 GT Biopharma is -0.08, 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 RatioGT Biopharma has a P/B Ratio of 2.28. P/B Ratios below 3 indicates that a company is reasonably valued with respect to its assets and liabilities.Read more about GT Biopharma's valuation and earnings. Short Interest2.0 / 5Short Interest LevelBearish Percentage of Shares Shorted5.96% of the float of GT Biopharma has been sold short.Short Interest Ratio / Days to CoverGT Biopharma has a short interest ratio ("days to cover") of 0.89, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in GT Biopharma has recently increased by 243.26%, indicating that investor sentiment is decreasing significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldGT Biopharma does not currently pay a dividend.Dividend GrowthGT Biopharma does not have a long track record of dividend growth. News and Social Media3.4 / 5News Sentiment0.46 News SentimentGT Biopharma has a news sentiment score of 0.46. 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 2 news articles for GT Biopharma this week, compared to 1 article on an average week.Search Interest6 people have searched for GTBP on MarketBeat in the last 30 days. This is an increase of 500% compared to the previous 30 days.MarketBeat Follows8 people have added GT Biopharma to their MarketBeat watchlist in the last 30 days. This is an increase of 300% compared to the previous 30 days. Company Ownership0.2 / 5Insider TradingN/A Insider Buying vs. Insider SellingIn the past three months, GT Biopharma insiders have not sold or bought any company stock.Percentage Held by Insiders3.40% of the stock of GT Biopharma is held by insiders.Percentage Held by Institutions8.15% of the stock of GT Biopharma is held by institutions.Read more about GT Biopharma'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. GTBP Stock News HeadlinesGT Biopharma Inc GTBPMay 20, 2026 | morningstar.comMGT Biopharma Reports First Quarter 2026 Financial ResultsMay 15, 2026 | globenewswire.comJune 12: Biggest IPO Ever?When SpaceX goes public on June 12, it could be valued near $2 trillion - larger than Walmart, ExxonMobil, or Meta. Tech analyst Jeff Brown argues that scale limits the upside for IPO-day buyers. On Wednesday, June 3, at 8 p.m. ET, Brown will broadcast live from SpaceX headquarters in Starbase, Texas, revealing what he calls 'shadow IPOs' - plays he believes could return 10x, 30x, or even 50x more than SpaceX itself, plus three new stock recommendations and a free AI ticker.May 29 at 1:00 AM | Brownstone Research (Ad)A Cancer Antigen Long Thought Untouchable Is Suddenly the Hottest Target in OncologyMay 14, 2026 | markets.businessinsider.com"Cold" Solid Tumors Become the Proving Ground for a New Generation of Engager and Immune-Priming TherapiesMay 14, 2026 | markets.businessinsider.comFirst Patient Dosed in Phase 1 Trial Marks Expansion of NK Cell Engager Platform Into Solid TumorsMay 14, 2026 | baystreet.ca‘Cold’ Solid Tumors Become the Proving Ground for a New Generation of Engager and Immune-Priming TherapiesMay 14, 2026 | financialpost.comFGT Biopharma Announces First Patient Dosed in Phase 1 Trial of GTB-5550, a B7-H3-Targeted Natural Killer (NK) Cell Engager for Solid TumorsMay 14, 2026 | globenewswire.comSee More Headlines GTBP Stock Analysis - Frequently Asked Questions How have GTBP shares performed this year? GT Biopharma's stock was trading at $0.7852 at the beginning of 2026. Since then, GTBP stock has decreased by 39.1% and is now trading at $0.4782. How were GT Biopharma's earnings last quarter? GT Biopharma, Inc. (NASDAQ:GTBP) issued its quarterly earnings data on Friday, May, 15th. The company reported ($0.11) earnings per share for the quarter, missing the consensus estimate of ($0.08) by $0.03. When did GT Biopharma's stock split? GT Biopharma's stock reverse split on Monday, February 5th 2024.The 1-30 reverse split was announced on Monday, February 5th 2024. The number of shares owned by shareholders was adjusted after the market closes on Monday, February 5th 2024. An investor that had 100 shares of stock prior to the reverse split would have 3 shares after the split. How do I buy shares of GT Biopharma? Shares of GTBP 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 GT Biopharma own? Based on aggregate information from My MarketBeat watchlists, some other companies that GT Biopharma investors own include NVIDIA (NVDA), Advanced Micro Devices (AMD), Adobe (ADBE), Broadcom (AVGO), Meta Platforms (META), CrowdStrike (CRWD) and Intel (INTC). Company Calendar Last Earnings5/15/2026Today5/29/2026Next 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. Yellow Zone (3m+) 1-Year History May 25 Aug 25 Nov 25 Feb 26 May 26 GTBP's financial health is in the Yellow zone, according to TradeSmith. GTBP 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:GTBP Previous SymbolOTCMKTS:OXISD CIK109657 Webwww.gtbiopharma.com Phone(415) 919-4040FaxN/AEmployees8Year Founded1965Profitability EPS (Trailing Twelve Months)($6.33) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$28.35 million Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on Assets-102.03% Debt Debt-to-Equity RatioN/A Current Ratio4.14 Quick Ratio4.14 Sales & Book Value Annual SalesN/A Price / SalesN/A Cash Flow$0.02 per share Price / Cash Flow29.77 Book Value$0.21 per share Price / Book2.28Miscellaneous Outstanding Shares36,060,000Free Float34,837,000Market Cap$17.24 million OptionableNo Data Beta0.64 Social Links (Almost) Everything You Need To Know About The EV MarketLooking to profit from the electric vehicle mega-trend? Click the link to see our list of which EV stocks show the most long-term potential.Get This Free Report This page (NASDAQ:GTBP) was last updated on 5/29/2026 by MarketBeat.com Staff. From Our PartnersThe 1934 playbookIn 1934, a legal government maneuver transferred billions in wealth overnight. 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