NASDAQ:UPB Upstream Bio (UPB) Stock Price, News & Analysis $10.72 -0.32 (-2.90%) Closing price 07/18/2025 04:00 PM EasternExtended Trading$10.72 0.00 (0.00%) As of 07/18/2025 04:39 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 Polygon.io. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOwnershipSEC FilingsTrendsBuy This Stock About Upstream Bio Stock (NASDAQ:UPB) 30 days 90 days 365 days Advanced Chart View Price History Chart DataSkip Price History Chart Get Upstream Bio alerts:Sign Up Key Stats Today's Range$10.63▼$11.3650-Day Range$8.56▼$11.8452-Week Range$5.14▼$29.46Volume225,652 shsAverage Volume351,241 shsMarket Capitalization$576.63 millionP/E RatioN/ADividend YieldN/APrice Target$56.50Consensus RatingBuy Company Overview Upstream Bio, Inc. (NASDAQ: UPB) is a clinical-stage biopharmaceutical company focused on the discovery and development of precision immune protease inhibitors for the treatment of inflammatory and fibrotic diseases. The company’s proprietary platform enables selective targeting of key proteases involved in immune cell regulation, with the goal of modulating disease pathways and reducing systemic side effects typically associated with broad-spectrum immunosuppression. Upstream Bio’s pipeline comprises multiple programs in clinical development, including candidates aimed at addressing chronic pulmonary and autoimmune conditions characterized by dysregulated neutrophil and macrophage activity. Research and development efforts leverage deep insights into protease biology to pursue indications with high unmet medical need and to optimize therapeutic profiles across patient populations. Since its inception, Upstream Bio has established collaborations with academic institutions and industry partners to advance its drug candidates. The company is headquartered in the United States and is exploring opportunities for global patient access through strategic licensing and partnership agreements.AI Generated. May Contain Errors. Read More Receive UPB Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Upstream Bio and its competitors with MarketBeat's FREE daily newsletter. Email Address UPB Stock News HeadlinesUpstream Bio begins phase 2 COPD trial for verekitugJuly 10, 2025 | uk.investing.comUpstream Bio Initiates Phase 2 VENTURE Trial for Verekitug in Moderate-to-Severe COPD, Expanding Its Respiratory PortfolioJuly 8, 2025 | quiverquant.comQPresidential Bombshell: $150T Resource to Be Released as soon as this Summer?Something extraordinary is happening in Washington. For the first time in over a century, a sitting President could release a national treasure that's been tied up in red tape, for generations. I'm talking about a $150 trillion American asset that's scattered across all 50 states. While the mainstream media focuses on political theater, this story is quietly developing behind closed doors.July 19 at 2:00 AM | Paradigm Press (Ad)Upstream Bio Announces First Patient Dosed in Phase 2 Clinical Trial of Verekitug in Chronic Obstructive Pulmonary Disease (COPD)July 8, 2025 | globenewswire.comUPB Upstream Bio, Inc. - Seeking AlphaJune 28, 2025 | seekingalpha.comUpstream Bio, Inc.’s Verekitug: A Promising Contender in the TSLPR Antibody SpaceJune 16, 2025 | tipranks.comUpstream Bio Stock Gets A Boost As New Lung Inflammation Drug Shows Higher PotencyJune 15, 2025 | msn.comUpstream Bio Presents Pharmacology Modeling Data Supporting Verekitug's Potency over Tezepelumab at EAACI CongressJune 15, 2025 | quiverquant.comQSee More Headlines UPB Stock Analysis - Frequently Asked Questions How have UPB shares performed this year? Upstream Bio's stock was trading at $16.44 on January 1st, 2025. Since then, UPB shares have decreased by 34.8% and is now trading at $10.72. How were Upstream Bio's earnings last quarter? Upstream Bio, Inc. (NASDAQ:UPB) released its earnings results on Tuesday, May, 6th. The company reported ($0.51) EPS for the quarter, missing analysts' consensus estimates of ($0.49) by $0.02. The firm had revenue of $0.57 million for the quarter, compared to analysts' expectations of $0.71 million. When did Upstream Bio IPO? Upstream Bio (UPB) raised $200 million in an IPO on Friday, October 11th 2024. The company issued 12,500,000 shares at a price of $15.00-$17.00 per share. JPMorgan, TD Cowen, Piper Sandler and William Blair acted as the underwriters for the IPO. How do I buy shares of Upstream Bio? Shares of UPB 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 Last Earnings5/06/2025Today7/19/2025Next Earnings (Estimated)8/05/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry MED - BIOMED/GENE Sub-IndustryPharmaceutical Products Current SymbolNASDAQ:UPB Previous SymbolNASDAQ:UPB CIK2022626 Webupstreambio.com Phone(781) 208-2466FaxN/AEmployees38Year FoundedN/APrice Target and Rating Average Price Target for Upstream Bio$56.50 High Price Target$75.00 Low Price Target$38.00 Potential Upside/Downside+427.1%Consensus RatingBuy Rating Score (0-4)3.00 Research Coverage4 Analysts Profitability 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 Ratio47.43 Quick Ratio47.43 Sales & Book Value Annual Sales$2.37 million Price / Sales243.30 Cash FlowN/A Price / Cash FlowN/A Book Value$8.77 per share Price / Book1.22Miscellaneous Outstanding Shares53,790,000Free Float46,500,000Market Cap$576.63 million OptionableN/A BetaN/A 7 AI Stocks to Invest in Today: Capitalizing on AI and Tech Trends in 2025Discover the top 7 AI stocks to invest in right now. 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