NASDAQ:ASMB Assembly Biosciences (ASMB) Stock Price, News & Analysis $22.82 -0.13 (-0.57%) Closing price 10/8/2026 04:00 PM EasternExtended Trading$22.82 0.00 (0.00%) As of 10/8/2026 07:30 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 EventsFinancialsInsider TradesNews and TrendsOptions ChainOwnershipSEC FilingsShort Interest About Assembly Biosciences Stock (NASDAQ:ASMB) 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 Assembly Biosciences alerts:Sign Up Key Stats Today's Range$22.08▼$23.0550-Day Range$22.18▼$36.7252-Week Range$21.80▼$39.71Volume288,404 shsAverage Volume378,178 shsMarket Capitalization$464.62 millionP/E Ratio22.37Dividend YieldN/APrice Target$47.50Consensus RatingModerate Buy Company Overview Assembly Biosciences, Inc. is a clinical-stage biotechnology company focused on developing oral therapeutics for serious viral diseases. The company’s research programs target viral replication and other essential processes, with an emphasis on treatments that may improve outcomes for patients with limited therapeutic options. Assembly’s pipeline has included investigational therapies for chronic hepatitis B virus (HBV) infection, including core or capsid assembly modulators designed to interfere with the virus’s life cycle. The company is also developing oral helicase-primase inhibitors for herpesvirus infections, including herpes simplex virus (HSV), with programs intended to address recurrent or difficult-to-treat disease. The company was founded in 2005 and is headquartered in South San Francisco, California. Assembly has advanced its programs through internal research and strategic collaboration, including a relationship with Gilead Sciences focused on developing novel antiviral medicines. Its products remain investigational and are subject to clinical testing and regulatory review.AI Generated. May Contain Errors. Read More Assembly Biosciences Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks69th Percentile Overall ScoreASMB MarketRank™: Assembly Biosciences scored higher than 69% of companies evaluated by MarketBeat, and ranked 261st out of 884 stocks in the healthcare sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion4.4 / 5Analyst RatingModerate Buy Consensus RatingAssembly Biosciences has received a consensus rating of Moderate Buy. The company's average rating score is 2.83, and is based on 1 strong buy rating, 4 buy ratings, no hold ratings, and 1 sell rating.Upside PotentialAssembly Biosciences has a consensus price target of $47.50, representing about 108.2% upside from its current price of $22.82.Amount of Analyst CoverageAssembly Biosciences has been the subject of 5 research reports in the past 90 days, demonstrating strong analyst interest in this stock.Read more about Assembly Biosciences' stock forecast and price target. Earnings and Valuation1.3 / 5Proj. Earnings Growth-97.81% Earnings GrowthEarnings for Assembly Biosciences are expected to decrease by -97.81% in the coming year, from $2.28 to $0.05 per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Assembly Biosciences is 22.37, which means that it is trading at a less expensive P/E ratio than the market average P/E ratio of about 38.84.Price to Earnings Ratio vs. SectorThe P/E ratio of Assembly Biosciences is 22.37, which means that it is trading at a less expensive P/E ratio than the Healthcare sector average P/E ratio of about 274.65.Price to Book Value per Share RatioAssembly Biosciences has a P/B Ratio of 1.75. P/B Ratios below 3 indicates that a company is reasonably valued with respect to its assets and liabilities.Read more about Assembly Biosciences' valuation and earnings. Short Interest2.0 / 5Short Interest LevelBearish Percentage of Shares Shorted10.67% of the float of Assembly Biosciences has been sold short.Short Interest Ratio / Days to CoverAssembly Biosciences has a short interest ratio ("days to cover") of 6.26.Change versus previous monthShort interest in Assembly Biosciences has recently decreased by 1.16%, indicating that investor sentiment is improving. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldAssembly Biosciences does not currently pay a dividend.Dividend GrowthAssembly Biosciences does not have a long track record of dividend growth. News and Social Media2.8 / 5News Sentiment0.51 News SentimentAssembly Biosciences has a news sentiment score of 0.51. 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 is a higher news sentiment than the 0.40 average news sentiment score of Healthcare companies.News Coverage This WeekMarketBeat has tracked 6 news articles for Assembly Biosciences this week, compared to 3 articles on an average week.Search InterestOnly 2 people have searched for ASMB on MarketBeat in the last 30 days. This is a decrease of -67% compared to the previous 30 days.MarketBeat FollowsOnly 1 people have added Assembly Biosciences to their MarketBeat watchlist in the last 30 days. This is a decrease of 0% compared to the previous 30 days. Company Ownership0.4 / 5Insider TradingN/A Insider Buying vs. Insider SellingIn the past three months, Assembly Biosciences insiders have not sold or bought any company stock.Percentage Held by Insiders3.50% of the stock of Assembly Biosciences is held by insiders.Percentage Held by Institutions19.92% of the stock of Assembly Biosciences is held by institutions.Read more about Assembly Biosciences' insider trading history. 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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. ASMB Stock News HeadlinesAssembly Biosciences, Inc. Presents Positive Phase 1a Safety, Tolerability And Target Engagement Data For ABI-6250 At AASLD The Liver MeetingOctober 6 at 8:47 AM | marketscreener.comMAssembly Biosciences Plans to Present Posters Featuring New Phase 1a Data From ABI-6250 ProgramOctober 6 at 8:47 AM | finance.yahoo.comALERT: Drop these 5 stocks before the market opens tomorrow!The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings research points to the first half of 2026 as a particularly rough stretch for certain holdings. Some of America's most popular stocks could take serious damage as a radical market shift plays out. Analysts at Weiss Ratings have identified five names you may want to remove from your portfolio before this unfolds. If any of these are in your portfolio, now is the time to review your positions. | Weiss Ratings (Ad)RYTHM (NASDAQ:RYM) versus Assembly Biosciences (NASDAQ:ASMB) Head-To-Head ComparisonOctober 6 at 6:15 AM | americanbankingnews.comAssembly Biosciences to Present Positive Phase 1a Safety, Tolerability and Target Engagement Data for ABI-6250 at AASLD The Liver Meeting® 2026October 5, 2026 | globenewswire.comAssembly Biosciences, Inc. (NASDAQ:ASMB) Stock Now Rated "Moderate Buy" by Wall Street BrokeragesOctober 4, 2026 | americanbankingnews.comAssembly Biosciences (ASMB) Receives a Buy from Mizuho SecuritiesSeptember 12, 2026 | theglobeandmail.comAssembly Biosciences to Present at the H.C. Wainwright & Co. 28th Annual Global Investment ConferenceSeptember 10, 2026 | markets.businessinsider.comSee More Headlines ASMB Stock Analysis - Frequently Asked Questions How have ASMB shares performed this year? Assembly Biosciences' stock was trading at $34.01 on January 1st, 2026. Since then, ASMB shares have decreased by 32.9% and is now trading at $22.82. How were Assembly Biosciences' earnings last quarter? Assembly Biosciences, Inc. (NASDAQ:ASMB) posted its earnings results on Thursday, August, 13th. The biopharmaceutical company reported ($0.20) EPS for the quarter, beating the consensus estimate of ($0.72) by $0.52. The biopharmaceutical company earned $13.37 million during the quarter, compared to analyst estimates of $8.60 million. Assembly Biosciences had a negative trailing twelve-month return on equity of 0.02% and a negative net margin of 0.06%. When did Assembly Biosciences' stock split? Assembly Biosciences shares reverse split on Monday, February 12th 2024.The 1-12 reverse split was announced on Monday, February 12th 2024. The number of shares owned by shareholders was adjusted after the market closes on Monday, February 12th 2024. An investor that had 100 shares of stock prior to the reverse split would have 8 shares after the split. When did Assembly Biosciences IPO? Assembly Biosciences (ASMB) raised $19 million in an IPO on Thursday, December 16th 2010. The company issued 2,900,000 shares at a price of $6.00-$7.00 per share. How do I buy shares of Assembly Biosciences? Shares of ASMB 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 Assembly Biosciences own? Based on aggregate information from My MarketBeat watchlists, some other companies that Assembly Biosciences investors own include Waste Connections (WCN), Voyager Therapeutics (VYGR), DiamondRock Hospitality (DRH), AUO (AUOTY), American Water Works (AWK), The RMR Group (RMR) and iShares Micro-Cap ETF (IWC). Company Calendar Last Earnings8/13/2026Today10/08/2026Next Earnings (Estimated)11/09/2026Fiscal 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 (3w+) 1-Year History Oct 25 Jan 26 Apr 26 Jul 26 Oct 26 For the last 3 weeks, ASMB's financial health has been in the Yellow zone, according to TradeSmith. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorHealthcare Industry Pharmaceuticals Sub-IndustryPharmaceuticals Current SymbolNASDAQ:ASMB CIK1426800 Webwww.assemblybio.com Phone(833) 509-4583Fax646-706-5101Employees73Year Founded2005Price Target and Rating Average Price Target for Assembly Biosciences$47.50 High Price Target$52.00 Low Price Target$43.00 Potential Upside/Downside+108.2%Consensus RatingModerate Buy Rating Score (0-4)2.83 Research Coverage6 Analysts Profitability EPS (Trailing Twelve Months)$1.02 Trailing P/E Ratio22.37 Forward P/E Ratio10.01 P/E GrowthN/ANet Income-$6.12 million Net Margins-0.06% Pretax Margin-0.06% Return on Equity-0.02% Return on Assets-0.02% Debt Debt-to-Equity RatioN/A Current Ratio13.99 Quick Ratio13.99 Sales & Book Value Annual Sales$72.30 million Price / Sales6.43 Cash FlowN/A Price / Cash FlowN/A Book Value$13.04 per share Price / Book1.75Miscellaneous Outstanding Shares20,360,000Free Float19,648,000Market Cap$464.62 million OptionableOptionable Beta1.15 Social Links 7 Stocks to Buy Before the Robotics RevolutionRobotics and automation are rapidly becoming essential infrastructure across healthcare, manufacturing, logistics, and many other industries. 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