NASDAQ:ZBIO Zenas BioPharma (ZBIO) Stock Price, News & Analysis $31.12 +0.02 (+0.06%) Closing price 09/11/2026 04:00 PM EasternExtended Trading$31.14 +0.02 (+0.05%) As of 09/11/2026 07:30 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 TrendsOwnershipSEC FilingsShort Interest About Zenas BioPharma Stock (NASDAQ:ZBIO) 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 Zenas BioPharma alerts:Sign Up Key Stats Today's Range$31.12▼$32.3150-Day Range$26.45▼$33.7752-Week Range$13.50▼$44.60Volume421,698 shsAverage Volume663,978 shsMarket Capitalization$2.03 billionP/E RatioN/ADividend YieldN/APrice Target$45.71Consensus RatingModerate Buy Company Overview Zenas BioPharma, Inc. is a clinical-stage biopharmaceutical company focused on developing medicines for patients with immune-mediated diseases. The company’s research and development efforts are centered on therapies that modulate the immune system and address conditions with significant unmet medical needs. Zenas’ lead investigational product is obexelimab, an immune-modulating monoclonal antibody designed to inhibit the activity of certain B cells without broadly depleting them. The company is evaluating obexelimab in autoimmune and inflammatory diseases, including IgG4-related disease and systemic lupus erythematosus. As an investigational therapy, obexelimab has not been approved for commercial use. The company advances its programs through clinical development and collaborations with biotechnology and pharmaceutical partners. Zenas BioPharma is headquartered in Waltham, Massachusetts, and its development activities are focused primarily on clinical trials in the United States and other international markets.AI Generated. May Contain Errors. Read More Zenas BioPharma Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks43rd Percentile Overall ScoreZBIO MarketRank™: Zenas BioPharma scored higher than 43% of companies evaluated by MarketBeat, and ranked 680th out of 904 stocks in the healthcare sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion4.1 / 5Analyst RatingModerate Buy Consensus RatingZenas BioPharma has received a consensus rating of Moderate Buy. The company's average rating score is 2.56, and is based on no strong buy ratings, 6 buy ratings, 2 hold ratings, and 1 sell rating.Upside PotentialZenas BioPharma has a consensus price target of $45.71, representing about 46.9% upside from its current price of $31.12.Amount of Analyst CoverageZenas BioPharma has only been the subject of 4 research reports in the past 90 days.Read more about Zenas BioPharma's stock forecast and price target. Earnings and Valuation0.6 / 5Proj. Earnings GrowthGrowing Earnings GrowthEarnings for Zenas BioPharma are expected to grow in the coming year, from ($5.81) to ($4.87) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Zenas BioPharma is -3.46, 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 Zenas BioPharma is -3.46, 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 RatioZenas BioPharma has a P/B Ratio of 6.90. P/B Ratios above 3 indicate that a company could be overvalued with respect to its assets and liabilities.Read more about Zenas BioPharma's valuation and earnings. Short Interest0.0 / 5Short Interest LevelBearish Percentage of Shares Shorted23.02% of the float of Zenas BioPharma has been sold short.Short Interest Ratio / Days to CoverZenas BioPharma has a short interest ratio ("days to cover") of 14.18, which indicates bearish sentiment.Change versus previous monthShort interest in Zenas BioPharma has recently increased by 0.37%, indicating that investor sentiment is decreasing. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldZenas BioPharma does not currently pay a dividend.Dividend GrowthZenas BioPharma does not have a long track record of dividend growth. News and Social Media2.5 / 5News Sentiment1.03 News SentimentZenas BioPharma has a news sentiment score of 1.03. 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 0.88 average news sentiment score of Healthcare companies.News Coverage This WeekMarketBeat has tracked 4 news articles for Zenas BioPharma this week, compared to 5 articles on an average week.Search InterestOnly 2 people have searched for ZBIO on MarketBeat in the last 30 days. This is a decrease of -50% compared to the previous 30 days.MarketBeat FollowsOnly 3 people have added Zenas BioPharma to their MarketBeat watchlist in the last 30 days. This is a decrease of 0% compared to the previous 30 days. Company Ownership0.7 / 5Insider TradingN/A Insider Buying vs. Insider SellingIn the past three months, Zenas BioPharma insiders have not sold or bought any company stock.Percentage Held by Insiders22.00% of the stock of Zenas BioPharma is held by insiders. A high percentage of insider ownership can be a sign of company health.Percentage Held by InstitutionsZenas BioPharma has minimal institutional ownership at this time.Read more about Zenas BioPharma's insider trading history. Receive ZBIO Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Zenas BioPharma 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. ZBIO Stock News HeadlinesZenas BioPharma, Inc. (ZBIO) Presents at Citigroup's Biopharma Back to School Summit 2026 TranscriptSeptember 9, 2026 | seekingalpha.comZenas BioPharma to Host Obexelimab IgG4-RD Investor EventSeptember 8, 2026 | globenewswire.comThe $15 Gold Fund That Pays Up to $1,152/MonthGold is hitting record highs, but most investors are leaving income on the table. A $15 fund is quietly paying out up to $1,152 a month to regular investors - no mining stocks, no options, no physical metal required. Chief Income Strategist Tim Plaehn calls it a breakthrough strategy that transforms gold's rally into reliable monthly payouts. The next distribution is just days away.September 13 at 1:00 AM | Investors Alley (Ad)Zenas BioPharma to Present at Upcoming Healthcare Investor ConferencesSeptember 4, 2026 | globenewswire.comZenas BioPharma Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)August 18, 2026 | globenewswire.comZenas BioPharma Reports Second Quarter 2026 Financial Results and Provides Corporate UpdateAugust 13, 2026 | globenewswire.comZenas BioPharma Grants Inducement Stock Options and RSUs to New EmployeesJuly 17, 2026 | quiverquant.comQZenas BioPharma Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)July 17, 2026 | globenewswire.comSee More Headlines ZBIO Stock Analysis - Frequently Asked Questions How have ZBIO shares performed this year? Zenas BioPharma's stock was trading at $36.31 at the beginning of the year. Since then, ZBIO shares have decreased by 14.3% and is now trading at $31.12. How were Zenas BioPharma's earnings last quarter? Zenas BioPharma, Inc. (NASDAQ:ZBIO) posted its quarterly earnings data on Wednesday, August, 12th. The company reported ($1.77) earnings per share (EPS) for the quarter, missing the consensus estimate of ($1.12) by $0.65. The company earned $1 million during the quarter, compared to analyst estimates of $15 million. When did Zenas BioPharma IPO? Zenas BioPharma (ZBIO) raised $225 million in an initial public offering on Thursday, September 12th 2024. The company issued 13,235,294 shares at $16.00-$18.00 per share. Who are Zenas BioPharma's major shareholders? Zenas BioPharma's top institutional investors include BlackRock Inc. (4.26%), Wellington Management Group LLP (2.45%), Bank of America Corp DE (1.89%) and California State Teachers Retirement System (1.15%). Insiders that own company stock include Fairmount Funds Management Llc, Sr One Capital Management, Llc, Jason Raleigh Nunn, Hongbo Lu, Leon O Moulder Jr, Patricia L Allen and Patrick G Enright. View institutional ownership trends. How do I buy shares of Zenas BioPharma? Shares of ZBIO 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 Zenas BioPharma own? Based on aggregate information from My MarketBeat watchlists, some other companies that Zenas BioPharma investors own include AST SpaceMobile (ASTS), Tempus AI (TEM), Trade Desk (TTD), Advanced Micro Devices (AMD), Ford Motor (F) and Genius Sports (GENI). Company Calendar Last Earnings8/12/2026Today9/13/2026Morgan Stanley 24th Annual Global Healthcare Conference9/14/2026H.C. Wainwright 28th Annual Global Investment Conference9/16/2026Study update9/29/2026Next 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. Green Zone (2m+) 1-Year History Sep 25 Dec 25 Mar 26 Jun 26 Sep 26 ZBIO's financial health is in the Green zone, according to TradeSmith. ZBIO has been in this zone for over 2 months. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorHealthcare Industry Biotechnology Sub-IndustryBiotechnology Current SymbolNASDAQ:ZBIO Previous SymbolNASDAQ:ZBIO CIK1953926 Webzenasbio.com Phone(857) 271-2954FaxN/AEmployees167Year Founded2019Price Target and Rating Average Price Target for Zenas BioPharma$45.71 High Price Target$55.00 Low Price Target$32.00 Potential Upside/Downside+46.9%Consensus RatingModerate Buy Rating Score (0-4)2.56 Research Coverage9 Analysts Profitability EPS (Trailing Twelve Months)($8.99) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$377.74 million Net MarginsN/A Pretax Margin-48,416.40% Return on Equity-122.45% Return on Assets-58.04% Debt Debt-to-Equity Ratio1.57 Current Ratio9.93 Quick Ratio9.93 Sales & Book Value Annual Sales$10 million Price / Sales202.84 Cash FlowN/A Price / Cash FlowN/A Book Value$4.51 per share Price / Book6.90Miscellaneous Outstanding Shares65,180,000Free Float50,838,000Market Cap$2.03 billion OptionableN/A Beta-1.04 Social Links 7 Stocks to Buy Before the Robotics RevolutionRobotics and automation are rapidly becoming essential infrastructure across healthcare, manufacturing, logistics, and many other industries. 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