NASDAQ:ZBIO Zenas BioPharma (ZBIO) Stock Price, News & Analysis $17.47 -0.91 (-4.95%) Closing price 06/5/2026 04:00 PM EasternExtended Trading$17.51 +0.04 (+0.23%) As of 06/5/2026 07:37 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 EventsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock 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$17.40▼$18.9250-Day Range$16.91▼$22.4852-Week Range$8.91▼$44.60Volume493,895 shsAverage Volume514,472 shsMarket Capitalization$1.10 billionP/E RatioN/ADividend YieldN/APrice Target$44.29Consensus RatingModerate Buy Company Overview Zenas BioPharma, Inc. is a clinical-stage biotechnology company focused on the discovery and development of novel therapies in oncology and infectious diseases. The company’s proprietary platform integrates structure-guided design, computational modeling and high-throughput screening to address challenging protein-protein interactions. Zenas BioPharma is advancing multiple preclinical and clinical-stage candidates aimed at providing new treatment options where current modalities may be limited by efficacy or safety concerns. Founded in 2021 and headquartered in Cambridge, Massachusetts, Zenas BioPharma was built to streamline the drug discovery process from target identification through to IND-enabling studies. Its integrated research infrastructure encompasses medicinal chemistry, in vitro and in vivo pharmacology, as well as manufacturing capabilities to support rapid progression of lead molecules into clinical development. The company’s pipeline includes immuno-oncology candidates designed to modulate checkpoint pathways in solid tumors, alongside antiviral programs targeting broad-spectrum viral threats. Each program is engineered to combine high specificity with favorable pharmacokinetic properties, with key assets currently in IND-enabling stages and early clinical trials. To advance its programs, Zenas BioPharma collaborates with academic institutions and contract research organizations, leveraging external expertise and resources. Serving global markets, the company is committed to addressing unmet medical needs and bringing differentiated therapies to patients worldwide.AI Generated. May Contain Errors. Read More Zenas BioPharma Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks73rd Percentile Overall ScoreZBIO MarketRank™: Zenas BioPharma scored higher than 73% of companies evaluated by MarketBeat, and ranked 183rd out of 867 stocks in the medical sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion4.3 / 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 $44.29, representing about 153.5% upside from its current price of $17.47.Amount of Analyst CoverageZenas BioPharma has been the subject of 6 research reports in the past 90 days, demonstrating strong analyst interest in this stock.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 ($4.47) to ($3.19) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Zenas BioPharma is -2.06, 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 -2.06, 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 3.87. 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 Interest1.0 / 5Short Interest LevelBearish Percentage of Shares Shorted21.70% 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 21.31, which indicates bearish sentiment.Change versus previous monthShort interest in Zenas BioPharma has recently decreased by 1.53%, indicating that investor sentiment is improving. 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 Media2.2 / 5News Sentiment0.45 News SentimentZenas BioPharma has a news sentiment score of 0.45. 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 news sentiment score is similar to the average news sentiment of Medical companies.News Coverage This WeekMarketBeat has tracked 3 news articles for Zenas BioPharma this week, compared to 6 articles on an average week.Search Interest8 people have searched for ZBIO on MarketBeat in the last 30 days. This is an increase of 300% compared to the previous 30 days.MarketBeat FollowsOnly 1 people have added Zenas BioPharma to their MarketBeat watchlist in the last 30 days. This is a decrease of -75% compared to the previous 30 days. Company Ownership4.3 / 5Insider TradingAcquiring Shares Cluster Insider Buying3 insiders have purchased shares of Zenas BioPharma in the last three months. Multiple insiders buying is a strong bullish signal.Net Insider BuyingOver the last three months, insiders have purchased a net $5,150,198.00 in company stock, which represents 0.4670% of the company's market cap.Insider Buying vs. Insider SellingIn the past three months, Zenas BioPharma insiders have bought more of their company's stock than they have sold. Specifically, they have bought $5,150,198.00 in company stock and sold $0.00 in 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. 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ZBIO Stock News HeadlinesZenas BioPharma Announces Data from the Registrational Phase 3 INDIGO Trial of Obexelimab in Immunoglobulin G4-Related Disease (IgG4-RD), Simultaneously Presented at the EULAR ...June 2, 2026 | finance.yahoo.comZenas BioPharma Announces Data from the Registrational Phase 3 INDIGO Trial of Obexelimab in Immunoglobulin G4-Related Disease (IgG4-RD), Simultaneously Presented at the EULAR 2026 Congress and Published in the New England Journal of MedicineJune 2, 2026 | 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.June 6 at 1:00 AM | Brownstone Research (Ad)A Look At Zenas BioPharma (ZBIO) Valuation After Strong 1-Year Return And Recent Share Price WeaknessJune 1, 2026 | finance.yahoo.comZenas BioPharma Announces Submission of Biologics License Application (BLA) to U.S. FDA for Obexelimab in IgG4-RDMay 28, 2026 | globenewswire.comZenas Biopharma Inc.May 26, 2026 | money.usnews.comZenas BioPharma Announces Upcoming Presentation of Results from Phase 3 INDIGO Registrational Trial of Obexelimab in Immunoglobulin G4-Related Disease (IgG4-RD) at EULAR 2026 ...May 19, 2026 | markets.businessinsider.comZenas BioPharma (NASDAQ:ZBIO) CEO Purchases $1,012,800.00 in StockMay 19, 2026 | insidertrades.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 2026. Since then, ZBIO shares have decreased by 51.9% and is now trading at $17.47. How were Zenas BioPharma's earnings last quarter? Zenas BioPharma, Inc. (NASDAQ:ZBIO) announced its quarterly earnings results on Wednesday, May, 13th. The company reported ($1.46) earnings per share for the quarter, beating the consensus estimate of ($1.47) by $0.01. When did Zenas BioPharma IPO? Zenas BioPharma (ZBIO) raised $225 million in an initial public offering (IPO) on Thursday, September 12th 2024. The company issued 13,235,294 shares at a price of $16.00-$18.00 per share. Who are Zenas BioPharma's major shareholders? Top institutional shareholders of Zenas BioPharma include Bank of America Corp DE (0.62%), Jennison Associates LLC (0.44%), iA Global Asset Management Inc. (0.38%) and SEB Asset Management AB (0.29%). 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), Biosig Technologies (BSGM), Ford Motor (F) and Genius Sports (GENI). Company Calendar Last Earnings5/13/2026Today6/06/2026Next Earnings (Estimated)8/11/2026Fiscal 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 (1m+) 1-Year History Jun 25 Sep 25 Dec 25 Mar 26 Jun 26 ZBIO's financial health is in the Yellow zone, according to TradeSmith. ZBIO has been in this zone for over one month. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry MED - BIOMED/GENE Sub-IndustryBiotechnology Current SymbolNASDAQ:ZBIO Previous SymbolNASDAQ:ZBIO CIK1953926 WebN/A Phone(857) 271-2954FaxN/AEmployeesN/AYear Founded2019Price Target and Rating Average Price Target for Zenas BioPharma$44.29 High Price Target$55.00 Low Price Target$22.00 Potential Upside/Downside+153.5%Consensus RatingModerate Buy Rating Score (0-4)2.56 Research Coverage9 Analysts Profitability EPS (Trailing Twelve Months)($8.47) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$377.74 million Net MarginsN/A Pretax Margin-3,778.16% Return on Equity-99.99% Return on Assets-58.06% Debt Debt-to-Equity Ratio1.04 Current Ratio11.94 Quick Ratio11.94 Sales & Book Value Annual Sales$10 million Price / Sales110.29 Cash FlowN/A Price / Cash FlowN/A Book Value$4.51 per share Price / Book3.87Miscellaneous Outstanding Shares63,130,000Free Float49,244,000Market Cap$1.10 billion OptionableN/A Beta-0.71 Social Links 7 Energy Stocks to Buy and Hold ForeverWith the proliferation of data centers and electric vehicles, the electric grid will only get more strained. Download this report to learn how energy stocks can play a role in your portfolio as the global demand for energy continues to grow.Get This Free Report This page (NASDAQ:ZBIO) was last updated on 6/6/2026 by MarketBeat.com Staff. From Our PartnersTrump'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 | SponsoredTrump Takes Emergency Action - Plus Elon Musk's New VentureElon Musk has quietly launched a new venture - one that has nothing to do with rockets, EVs, or Neuralink. Tru...Altimetry | SponsoredBUY THIS: Claim a backdoor stake in SpaceX before June 12Marc Chaikin, the Wall Street veteran who spotted Nvidia before a 45,000% run, says there's a simple trade ava...Chaikin Analytics | SponsoredOne hidden supplier shipped 5 billion parts to SpaceXMost investors are focused on the historic $1.75 trillion SpaceX IPO expected around June 30. 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