NASDAQ:UPB Upstream Bio (UPB) Stock Price, News & Analysis $6.10 -0.19 (-3.10%) As of 04/4/2025 04:00 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider 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$5.59▼$6.1250-Day Range$6.10▼$11.0052-Week Range$5.59▼$29.46Volume212,237 shsAverage Volume324,380 shsMarket Capitalization$327.21 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, 2025 | tipranks.comUpstream Bio, Inc. Completes Enrollment in Phase 2 Trial of Verekitug for Chronic Rhinosinusitis and Raises $293 Million in IPOMarch 12, 2025 | quiverquant.comNow I look stupid. Real stupid... I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we are, a quarter of a century later, almost to the exact day, and it’s happening again. April 5, 2025 | Porter & Company (Ad)Upstream Bio Reports Fourth Quarter and Full Year 2024 Financial Results and Recent Business HighlightsMarch 12, 2025 | 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 62.9% and is now trading at $6.10. View the best growth stocks for 2025 here. When did Upstream Bio IPO? Upstream Bio (UPB) raised $200 million in an initial public offering 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 Upstream Bio'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 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 end of Upstream Bio's lock-up period, company insiders and major shareholders will be able to sell their shares of the company. 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 Today4/04/2025Next Earnings (Estimated)6/11/2025Fiscal 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+826.2%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$2.37 million Price / Sales138.06 Cash FlowN/A Price / Cash FlowN/A Book ValueN/A Price / BookN/AMiscellaneous Outstanding Shares53,641,000Free FloatN/AMarket Cap$327.21 million OptionableN/A BetaN/A 20 High-Yield Dividend Stocks that Could Ruin Your RetirementAlmost everyone loves strong dividend-paying stocks, but high yields can signal danger. Discover 20 high-yield dividend stocks paying an unsustainably large percentage of their earnings. Enter your email to get this report and avoid a high-yield dividend trap.Get This Free Report This page (NASDAQ:UPB) was last updated on 4/5/2025 by MarketBeat.com Staff From Our PartnersFeds Just Admitted It—They Can Take Your CashThe Government Just Said Your Money Isn't Yours That's right—According to the DOJ, YOUR hard-earned money i...Priority Gold | Sponsored“Fed Proof” Your Bank Account with THESE 4 Simple StepsStarting as soon as a few months from now, the United States government will make a sweeping change to bank ac...Weiss Ratings | SponsoredAmerica’s Retirement Accounts Are at Risk—Here’s WhyWhen Trump took office in 2017, gold was just $1,100 an ounce. By the time he left, it had soared to $1,839. ...Premier Gold Co | SponsoredElon Musk Confirms: Tesla’s Optimus is Replacing Workers… and Heading to MarsMusk confirmed that SpaceX's Starship will carry Optimus to Mars in 2026 as part of an autonomous mission to h...InvestorPlace | SponsoredTrump’s Final Plan Presidential insider exposes shocking plot to reshape U.S. economy: The 2025 Trump Reset -- Inside Trump’...Porter & Company | SponsoredTrump’s Secret WeaponPlease don't wait—this is your moment to take action. Download your Wealth Protection Guide now, claim your fr...American Alternative | Sponsored$2 Trillion Disappears Because of Fed's Secretive New Move$2 trillion has disappeared from the US government's books. The reason why is a new, secretive move being c...Stansberry Research | SponsoredNew “Trump” currency proposed in DCAfter a massive run-up – tech stocks are crashing. And as you’d suspect, the rich and powerful got out firs...Paradigm Press | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Upstream Bio, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Upstream Bio With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.