NASDAQ:UPB Upstream Bio (UPB) Stock Price, News & Analysis $9.61 +0.55 (+6.07%) Closing price 03/14/2025 04:00 PM EasternExtended Trading$9.60 -0.01 (-0.10%) As of 03/14/2025 05:18 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsTrends 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$9.03▼$9.6250-Day Range$7.09▼$16.9852-Week Range$6.65▼$29.46Volume134,426 shsAverage Volume330,027 shsMarket Capitalization$515.07 millionP/E RatioN/ADividend YieldN/APrice Target$56.50Consensus RatingBuy Company OverviewUpstream Bio, Inc., a clinical-stage biotechnology company, develops treatments for inflammatory diseases that focuses on severe respiratory disorders. It develops verekitug, a monoclonal antibody that targets and inhibits the thymic stromal lymphopoietin receptor. The company also develops therapies to treat severe asthma, chronic rhinosinusitis with nasal polyps, and chronic obstructive pulmonary disease. Upstream Bio, Inc. was incorporated in 2021 and is based in Waltham, Massachusetts.Read More… Remove Ads 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’s Financial Results and Strategic ProgressMarch 13 at 12:26 AM | tipranks.comUpstream Bio, Inc. Completes Enrollment in Phase 2 Trial of Verekitug for Chronic Rhinosinusitis and Raises $293 Million in IPOMarch 12 at 7:45 AM | quiverquant.comA market crash is coming—here’s whenThe stock market cycle I've used to identify the most likely day of the next market crash is the exact same indicator that helped me call the bear market of 2018... the bull market in 2020... the bear market in 2022... the roaring bull markets in 2023 and 2024... and more. I'm convinced it has helped me identify the next big crash too. We are at an important juncture in the markets. Knowing what to do in the months to come is critical.March 15, 2025 | Chaikin Analytics (Ad)Upstream Bio Reports Fourth Quarter and Full Year 2024 Financial Results and Recent Business HighlightsMarch 12 at 7:00 AM | globenewswire.comUPB Upstream Bio, Inc.March 8, 2025 | seekingalpha.comPiper Sandler Remains a Buy on Upstream Bio, Inc. (UPB)March 4, 2025 | markets.businessinsider.comUpstream Bio to Present at Upcoming March Investor ConferencesFebruary 25, 2025 | globenewswire.comUpstream Bio, Inc. (UPB)January 25, 2025 | ca.finance.yahoo.comSee 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 stock has decreased by 41.5% and is now trading at $9.61. View the best growth stocks for 2025 here. When did Upstream Bio IPO? Upstream Bio (UPB) raised $200 million in an initial public offering (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. When does the company's lock-up period expire? Upstream Bio's lock-up period expires on Wednesday, April 9th. Upstream Bio had issued 15,000,000 shares in its initial public offering on October 11th. The total size of the offering was $255,000,000 based on an initial share price of $17.00. After the expiration of the company's lock-up period, company insiders and major shareholders will be able to sell their shares of the company. Who are Upstream Bio's major shareholders? Top institutional investors of Upstream Bio include FMR LLC (13.39%), Orbimed Advisors LLC (10.62%), Decheng Capital LLC (6.13%) and TCG Crossover Management LLC (5.23%). Insiders that own company stock include Erez Chimovits and Ai Upstream Llc. View institutional ownership trends. 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 Today3/15/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry Pharmaceutical preparations Sub-IndustryPharmaceutical Products Current SymbolNASDAQ:UPB Previous SymbolNASDAQ:UPB CIK2022626 Webupstreambio.com Phone(781) 208-2466FaxN/AEmployees38Year FoundedN/APrice Target and Rating Average Stock Price Target$56.50 High Stock Price Target$75.00 Low Stock Price Target$38.00 Potential Upside/Downside+487.9%Consensus RatingBuy Rating Score (0-4)3.00 Research Coverage4 Analysts Profitability EPS (Most Recent Fiscal Year)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$2.21 million Price / Sales233.38 Cash FlowN/A Price / Cash FlowN/A Book ValueN/A Price / BookN/AMiscellaneous Outstanding Shares53,597,000Free FloatN/AMarket Cap$515.07 million OptionableN/A BetaN/A Ten Starter Stocks For Beginners to Buy NowJust getting into the stock market? 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