NASDAQ:XOMAO XOMA (XOMAO) Stock Price, News & Analysis $25.38 +0.04 (+0.14%) Closing price 05/19/2026 03:58 PM EasternExtended Trading$25.38 0.00 (0.00%) As of 05/19/2026 04:10 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 AnalysisChartCompetitorsDividendHeadlinesInsider TradesSEC FilingsShort InterestTrendsBuy This Stock About XOMA Stock (NASDAQ:XOMAO) 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 XOMA alerts:Sign Up Key Stats Today's Range$25.25▼$25.3150-Day Range$25.17▼$26.0652-Week Range$24.86▼$26.40Volume2,858 shsAverage Volume3,955 shsMarket CapitalizationN/AP/E RatioN/ADividend Yield8.23%Price TargetN/AConsensus RatingN/A Company Overview XOMA Corporation is a clinical-stage biotechnology company specializing in the discovery and development of therapeutic antibodies. The company applies its proprietary protein engineering and antibody optimization platform to generate novel drug candidates targeting autoimmune, inflammatory and metabolic diseases. XOMA’s scientific expertise spans antibody discovery, engineering, in vitro and in vivo testing, and early‐stage clinical development. In addition to advancing its own pipeline of antibody candidates, XOMA collaborates with pharmaceutical and biotechnology partners to provide research and development services. These collaborations leverage XOMA’s capabilities in protein expression, assay development, and manufacturing process design, enabling partner companies to accelerate preclinical and early clinical programs. The company’s business model combines internal drug development with fee‐based service agreements and licensing arrangements. Founded in 1979 and headquartered in Berkeley, California, XOMA was among the early pioneers in monoclonal antibody technology. Over four decades, the company has played a role in advancing antibody therapeutics through both in‐house research and strategic partnerships. While based in the United States, XOMA’s collaborative network extends to Europe and other regions, reflecting its commitment to global drug development efforts.AI Generated. May Contain Errors. Read More Receive XOMAO Stock News and Ratings via Email Sign-up to receive the latest news and ratings for XOMA 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. XOMAO Stock News HeadlinesLigand Pharma to acquire fellow biotech royalty rights buyer XOMA for $739 millionApril 27, 2026 | msn.comLigand Pharmaceuticals buying Xoma Royalty for $739 millionApril 27, 2026 | finance.yahoo.comSpaceX will mint billionaires. You won't be one of them.By the time a company goes public, 95% of profits have already been made. Insiders bought SpaceX at $20 billion - you'd be buying at $1.75 trillion. But one small, publicly traded company sits directly in SpaceX's path, still priced like Wall Street hasn't noticed. It powers the infrastructure Musk's operation can't run without. Dylan Jovine is naming the ticker free - before the June S-1 closes the window. | Behind the Markets (Ad)Ligand Pharmaceuticals: Ligand to Acquire XOMA Royalty, Further Accelerating Profit Growth and Strengthening Ligand's Position as a Leading Biopharma Royalty AggregatorApril 27, 2026 | finanznachrichten.deLigand Pharma to buy fellow biotech royalty rights buyer XOMA for $739 millionApril 27, 2026 | msn.comXOMA Corporation Depositary Shares Rep Series B 8.375% Cumulative Preferred Stock (XOMAO)April 12, 2026 | nasdaq.comXOMA Royalty Corp. Dep. Pfd. (Rep. 8.375% Cum. Pfd. Series B)April 12, 2026 | barrons.comXoma Royalty Stock Gains on Unexpected 4Q ProfitMarch 18, 2026 | marketwatch.comSee More Headlines XOMAO Stock Analysis - Frequently Asked Questions How have XOMAO shares performed this year? XOMA's stock was trading at $25.56 at the start of the year. Since then, XOMAO stock has decreased by 0.7% and is now trading at $25.3850. How do I buy shares of XOMA? Shares of XOMAO 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. Company Calendar Record date for 4/15 Dividend4/02/2026Ex-Dividend for 4/15 Dividend4/02/2026Dividend Payable4/15/2026Today5/20/2026Next Earnings (Estimated)7/30/2026Get 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 (29m+) 1-Year History May 25 Aug 25 Nov 25 Feb 26 May 26 XOMAO's financial health is in the Green zone, according to TradeSmith. XOMAO has been in this zone for over 29 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry Biotechnology Sub-IndustryPharmaceutical Products Current SymbolNASDAQ:XOMAO CIK791908 Webwww.xoma.com Phone510-204-7200FaxN/AEmployees10Year FoundedN/AProfitability EPS (Trailing Twelve Months)N/A Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet IncomeN/A Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on AssetsN/A Debt Debt-to-Equity RatioN/A Current RatioN/A Quick RatioN/A Sales & Book Value Annual Sales$7.65 million Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book ValueN/A Price / BookN/AMiscellaneous Outstanding SharesN/AFree FloatN/AMarket CapN/A OptionableNot Optionable BetaN/A Beginner's Guide To Retirement StocksClick the link to see MarketBeat's list of seven best retirement stocks and why they should be in your portfolio. Get This Free Report This page (NASDAQ:XOMAO) was last updated on 5/20/2026 by MarketBeat.com Staff. 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