Assembly Biosciences (ASMB) Stock Chart & Stock Price History $23.31 -0.59 (-2.47%) Closing price 04:00 PM EasternExtended Trading$23.36 +0.05 (+0.19%) As of 07:59 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 Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Assembly Biosciences Stock Price Performance The Assembly Biosciences (ASMB) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 40.42%, with a year-to-date return of 47.72%. In the past month, the stock has increased 20.15%, reflecting recent market activity. As of the latest close, Assembly Biosciences traded at $23.90 with a market cap of $183.31 million and volume of 130,276 shares. Five years ago, the stock traded at a split-adjusted price of $225.24, representing a 89.65% decrease over that period. At the time, it had a market cap of $656.44 million and a volume of 11,795 shares. Receive ASMB Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Assembly Biosciences and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy 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. 5 Day Performance-5.63%1 Month Performance+20.15%3 Month Performance+45.78%Year-To-Date Performance+47.72%1 Year Performance+40.42%5 Year Performance-89.65% ASMB Stock Chart for Thursday, September, 4, 2025 ASMB Chart by TradingView Assembly Biosciences Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization09/04/2025$23.90$23.31-2.47%$23.82$22.50172,480 shs$178.79 million09/03/2025$24.13$23.90-0.95%$24.29$23.54130,276 shs$183.31 million09/02/2025$24.70$24.13-2.31%$24.89$23.43135,229 shs$185.13 million09/01/2025$24.70$24.70$25.43$24.00122,376 shs$189.45 million08/29/2025$25.50$24.70-3.14%$25.43$24.00122,376 shs$189.45 million08/28/2025$25.89$25.50-1.51%$26.14$25.25147,675 shs$195.59 million08/27/2025$25.62$25.89+1.05%$26.13$25.20227,378 shs$198.63 million08/26/2025$26.62$25.62-3.76%$26.74$24.98154,775 shs$196.51 million08/25/2025$26.93$26.62-1.15%$27.16$26.2578,580 shs$204.18 million08/22/2025$26.65$26.93+1.05%$27.17$26.50101,414 shs$206.55 million Get the Latest News and Ratings for ASMB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Assembly Biosciences and its competitors with MarketBeat's FREE daily newsletter. 08/21/2025$26.15$26.65+1.91%$26.77$26.01186,859 shs$204.41 million08/20/2025$25.22$26.15+3.69%$26.25$24.93251,864 shs$200.57 million08/19/2025$25.76$25.22-2.10%$25.59$24.80187,107 shs$193.44 million08/18/2025$25.44$25.76+1.26%$26.24$25.30102,151 shs$197.58 million08/15/2025$24.96$25.44+1.92%$25.62$24.6891,462 shs$195.13 million08/14/2025$24.75$24.96+0.85%$25.11$23.71135,264 shs$191.49 million08/13/2025$23.99$24.75+3.17%$24.94$23.67195,969 shs$189.83 million08/12/2025$23.60$23.99+1.65%$23.99$22.89127,206 shs$184.00 million08/11/2025$23.97$23.60-1.54%$24.71$22.50227,327 shs$180.26 million08/08/2025$21.22$23.97+12.96%$23.97$21.00480,844 shs$183.08 million08/07/2025$19.43$21.22+9.21%$22.50$19.13145,350 shs$162.12 million08/06/2025$18.86$19.43+3.02%$19.43$18.5057,750 shs$148.45 million08/05/2025$19.40$18.86-2.78%$19.21$18.4168,095 shs$144.05 million08/04/2025$18.40$19.40+5.43%$19.43$17.9852,476 shs$148.22 million Related Companies Nektar Therapeutics Stock Price Chart Omeros Stock Price Chart Cumberland Pharmaceuticals Stock Price Chart Eli Lilly and Company Stock Price Chart Johnson & Johnson Stock Price Chart AbbVie Stock Price Chart Merck & Co., Inc. Stock Price Chart Pfizer Stock Price Chart Bristol Myers Squibb Stock Price Chart Zoetis Stock Price Chart Receive ASMB Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Assembly Biosciences and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:ASMB) was last updated on 9/4/2025 by MarketBeat.com Staff From Our PartnersCapital Gains Tax Strategies for SeniorsCapital gains taxes can take a bite out of your retirement income—unless you have a smart strategy. From holdi...SmartAsset | Sponsored“HELIOS”: My No. 1 Investment of the 2020sA mysterious new energy technology — backed by Nvidia, Google, and even legendary investors like Stanley Druck...Stansberry Research | SponsoredThe Tiny Stock Set to Soar with Musk's AI AmbitionsThe Tiny Stock Set to Soar with Musk's AI Ambitions While Musk builds one of the most ambitious AI empires ...Behind the Markets | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredWhat Steve Bannon revealed about Trump’s gold playA Trump advisor just said 3 words that could reset the dollar. It’s a gold move nobody saw coming—and your ...Reagan Gold Group | SponsoredGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. B...Priority Gold | SponsoredBuffett, Gates and Bezos Quietly Dumping Stocks—Here's WhyImagine a bull market so powerful, every single investor became a millionaire. Not by finding the next NVIDIA ...Banyan Hill Publishing | SponsoredTrump’s national nightmare is hereWashington just added $1 trillion to the national debt in less than two months — an astonishing pace of spendi...Porter & Company | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Assembly Biosciences, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Assembly Biosciences 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.
Free ASMB Stock Alerts