Assembly Biosciences (ASMB) Short Interest Ratio & Short Volume $13.59 -0.88 (-6.08%) Closing price 05/21/2025 04:00 PM EasternExtended Trading$13.73 +0.14 (+1.03%) As of 05/21/2025 06:07 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 Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Assembly Biosciences Short Interest DataAssembly Biosciences (ASMB) has a short interest of 13,200 shares, representing 0.33% of the float (the number of shares available for trading by the public). This marks a -29.03% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.5, indicating that it would take 0.5 days of the average trading volume of 25,788 shares to cover all short positions.Current Short Interest13,200 sharesPrevious Short Interest18,600 sharesChange Vs. Previous Month-29.03%Dollar Volume Sold Short$150,348.00Short Interest Ratio0.5 Days to CoverLast Record DateApril 30, 2025Outstanding Shares7,638,000 sharesFloat Size4,020,000 sharesShort Percent of Float0.33%Today's Trading Volume11,691 sharesAverage Trading Volume25,788 sharesToday's Volume Vs. Average45% Short Selling Assembly Biosciences? Sign up to receive the latest short interest report for Assembly Biosciences and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartASMB Short Interest Over TimeASMB Days to Cover Over TimeASMB Percentage of Float Shorted Over Time Assembly Biosciences Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/202513,200 shares $150,348.00 -29.0%0.3%0.5 $11.39 4/15/202518,600 shares $182,466.00 +8.8%0.5%0.7 $9.81 3/31/202517,100 shares $163,476.00 -17.4%0.4%0.6 $9.56 3/15/202520,700 shares $224,802.00 +2.0%0.5%0.7 $10.86 2/28/202520,300 shares $261,464.00 +18.0%0.6%0.7 $12.88 2/15/202517,200 shares $223,944.00 +25.6%0.5%0.5 $13.02 1/31/202513,700 shares $191,937.00 -4.9%0.4%0.4 $14.01 1/15/202514,400 shares $208,800.00 +9.1%0.4%0.4 $14.50 12/31/202413,200 shares $208,296.00 -0.8%0.4%0.4 $15.78 12/15/202413,300 shares $204,554.00 -16.4%0.3%0.4 $15.38 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. 11/30/202415,900 shares $270,936.00 +37.1%0.4%0.5 $17.04 11/15/202411,600 shares $187,224.00 +45.0%0.3%0.4 $16.14 10/31/20248,000 shares $134,480.00 -51.2%0.2%0.3 $16.81 10/15/202416,400 shares $303,728.00 -7.9%0.4%0.6 $18.52 9/30/202417,800 shares $269,492.00 -22.9%0.4%0.8 $15.14 9/15/202423,100 shares $417,417.00 +42.6%0.5%1.1 $18.07 8/31/202416,200 shares $263,412.00 +57.3%0.4%1 $16.26 8/15/202410,300 shares $144,715.00 -16.3%0.2%0.7 $14.05 7/31/202412,300 shares $179,641.50 -14.6%0.3%0.8 $14.61 7/15/202414,400 shares $221,328.00 -23.8%0.3%0.9 $15.37 6/30/202418,900 shares $259,308.00 +17.4%0.5%1.1 $13.72 6/15/202416,100 shares $247,779.00 -12.0%0.4%0.9 $15.39 5/31/202418,300 shares $277,245.00 -14.1%0.5%1 $15.15 5/15/202421,300 shares $311,193.00 -14.1%0.6%1.1 $14.61 4/30/202424,800 shares $309,256.00 -19.0%0.7%1 $12.47 4/15/202430,600 shares $456,858.00 -28.2%0.8%1.1 $14.93 3/31/202442,600 shares $566,580.00 -29.2%1.2%1.4 $13.30 3/15/202460,200 shares $732,634.00 +207.1%1.6%2 $12.17 2/29/202419,600 shares $250,684.00 -63.0%0.5%0.6 $12.79 2/15/202453,000 shares $620,100.00 -85.0%1.4%1.6 $11.70 1/31/2024353,300 shares $3.99 million -22.1%N/A0.7 $11.28 1/15/2024453,600 shares $367,416.00 +125.7%N/A0.7 $0.81 12/31/2023201,000 shares $164,840.10 -20.7%N/A0.1 $0.82 12/15/2023253,600 shares $190,935.44 -52.0%N/A0.1 $0.75 11/30/2023528,000 shares $369,652.80 -18.7%2.3%0.3 $0.70 11/15/2023649,700 shares $479,478.60 -17.3%2.8%0.3 $0.74 10/31/2023785,300 shares $688,629.57 +469.1%4.1%0.5 $0.88 10/15/2023138,000 shares $98,118.00 +2.7%N/A0.1 $0.71 9/30/2023134,400 shares $118,944.00 -6.5%N/A1.2 $0.89 9/15/2023143,800 shares $130,814.86 +14.6%N/A1.5 $0.91Washington Is Broke—and Eyeing Your Savings Next (Ad)Washington is running out of money…And guess where they'll look next? When governments go broke, they take from the people. It's happened before, and it's happening again. The Department of Justice just admitted that cash isn't legally YOUR property.Get your free guide now by clicking here >> 8/31/2023125,500 shares $124,232.45 -20.8%N/A1.4 $0.99 8/15/2023158,400 shares $156,736.80 -14.8%N/A1.6 $0.99 7/31/2023185,900 shares $206,349.00 +13.0%N/A1.8 $1.11 7/15/2023164,500 shares $177,660.00 +0.7%N/A1.5 $1.08 6/30/2023163,300 shares $187,795.00 -44.8%N/A1.1 $1.15 6/15/2023295,700 shares $319,356.00 +2.7%N/A1.7 $1.08 5/31/2023287,900 shares $275,750.62 +78.5%N/A1.4 $0.96 5/15/2023161,300 shares $167,752.00 -5.5%N/A0.8 $1.04 4/30/2023170,600 shares $177,424.00 -43.6%N/A0.8 $1.04 4/15/2023302,700 shares $299,673.00 +84.5%N/A1.2 $0.99 3/31/2023164,100 shares $137,909.64 +26.7%N/A0.7 $0.84 3/15/2023129,500 shares $170,940.00 -14.0%N/A0.5 $1.32 2/28/2023150,600 shares $204,816.00 -0.4%N/A0.5 $1.36 2/15/2023151,200 shares $231,336.00 -1.3%N/A0.5 $1.53 1/31/2023153,200 shares $266,568.00 -52.8%N/A0.5 $1.74 1/15/2023324,500 shares $499,730.00 +49.0%N/A1.1 $1.54 12/30/2022217,800 shares $283,140.00 +15.5%N/A0.7 $1.30 12/15/2022188,500 shares $218,660.00 -82.2%N/A0.7 $1.16 11/30/20221,060,000 shares $1.39 million -16.5%N/A4.6 $1.31 11/15/20221,270,000 shares $1.77 million -9.9%N/A5.6 $1.39 10/31/20221,410,000 shares $2.31 million -5.4%N/A6.2 $1.64 10/15/20221,490,000 shares $2.47 million +6.4%N/A6.3 $1.66 9/30/20221,400,000 shares $2.30 million +2.9%N/A4.7 $1.64 9/15/20221,360,000 shares $2.84 million -3.6%N/A4.2 $2.09 8/31/20221,410,000 shares $2.64 million +10.2%N/A3.3 $1.87 8/15/20221,280,000 shares $2.75 million +1.6%N/A2.8 $2.15 7/31/20221,260,000 shares $2.61 million -2.3%N/A2.6 $2.07 7/15/20221,290,000 shares $2.63 million +42.8%5.8%2.6 $2.04 6/30/2022903,300 shares $1.90 million -17.9%4.0%1.9 $2.10 6/15/20221,100,000 shares $2.08 million -3.5%4.9%2.2 $1.89 5/31/20221,140,000 shares $2.18 million -14.3%N/A2.5 $1.91 5/15/20221,330,000 shares $2.05 million -7.6%N/A3 $1.54 4/30/20221,440,000 shares $2.53 million No ChangeN/A3.1 $1.76 4/15/20221,440,000 shares $2.98 million -0.7%N/A3 $2.07 3/31/20221,450,000 shares $2.99 million +16.9%N/A2.7 $2.06 3/15/20221,240,000 shares $1.84 million +4.2%N/A2.1 $1.48 2/28/20221,190,000 shares $1.84 million +2.6%N/A2 $1.55 2/15/20221,160,000 shares $1.88 million -13.4%N/A1.6 $1.62 1/31/20221,340,000 shares $2.49 million +8.9%N/A1.5 $1.86 1/15/20221,230,000 shares $2.40 million +7.9%N/A1.4 $1.95 12/31/20211,140,000 shares $2.66 million -13.0%N/A1.4 $2.33 12/15/20211,310,000 shares $2.84 million -15.5%N/A1.6 $2.17 11/30/20211,550,000 shares $3.57 million +21.1%N/A2 $2.30 11/15/20211,280,000 shares $3.60 million -8.6%N/A1.5 $2.81 10/29/20211,400,000 shares $4.41 million +23.9%N/A2.1 $3.15 10/15/20211,130,000 shares $3.68 million -22.1%N/A1.5 $3.26 9/30/20211,450,000 shares $5.05 million -8.2%N/A1.8 $3.48 9/15/20211,580,000 shares $5.06 million -1.9%N/A1.5 $3.20 8/31/20211,610,000 shares $6.12 million -42.1%N/A1.3 $3.80 8/13/20212,780,000 shares $9.95 million -3.5%N/A2.3 $3.58Washington Is Broke—and Eyeing Your Savings Next (Ad)Washington is running out of money…And guess where they'll look next? When governments go broke, they take from the people. It's happened before, and it's happening again. The Department of Justice just admitted that cash isn't legally YOUR property.Get your free guide now by clicking here >> 7/30/20212,880,000 shares $9.99 million -31.4%7.9%2.4 $3.47 7/15/20214,200,000 shares $14.41 million -12.1%11.5%3.5 $3.43 6/30/20214,780,000 shares $18.55 million -6.5%13.0%4.1 $3.88 6/15/20215,110,000 shares $21.05 million +8.7%13.9%5.4 $4.12 5/28/20214,700,000 shares $18.66 million +5.2%12.8%5.5 $3.97 5/14/20214,470,000 shares $17.39 million -8.0%N/A4.3 $3.89 4/30/20214,860,000 shares $20.85 million +20.6%N/A3.9 $4.29 4/15/20214,030,000 shares $17.85 million -4.7%N/A3.1 $4.43 3/31/20214,230,000 shares $19.04 million +15.3%N/A3.3 $4.50 3/15/20213,670,000 shares $18.86 million -5.2%N/A2.8 $5.14 2/26/20213,870,000 shares $21.40 million +55.4%N/A3 $5.53 2/12/20212,490,000 shares $15.86 million +4.6%N/A2.2 $6.37 1/29/20212,380,000 shares $13.26 million -8.5%N/A1.5 $5.57 1/15/20212,600,000 shares $16.17 million -4.8%N/A1.9 $6.22 12/31/20202,730,000 shares $16.60 million -8.7%N/A2.2 $6.08 12/15/20202,990,000 shares $18.60 million No ChangeN/A2.5 $6.22 11/30/20202,990,000 shares $17.94 million +4.2%N/A2.7 $6.00 11/15/20202,870,000 shares $16.13 million -30.2%N/A3 $5.62 10/30/20204,110,000 shares $61.61 million +5.4%N/A5.7 $14.99 10/15/20203,900,000 shares $60.22 million +1.3%N/A16.5 $15.44 9/30/20203,850,000 shares $63.29 million +4.3%N/A16.6 $16.44 9/15/20203,690,000 shares $65.57 million -1.1%N/A15.7 $17.77 8/31/20203,730,000 shares $81.58 million +0.3%N/A17.3 $21.87 8/14/20203,720,000 shares $77.97 million -1.1%N/A17.1 $20.96 7/31/20203,760,000 shares $83.47 million -2.3%N/A16.8 $22.20 7/15/20203,850,000 shares $90.86 million +5.8%N/A18.1 $23.60 6/30/20203,640,000 shares $84.88 million +16.7%N/A17.5 $23.32 6/15/20203,120,000 shares $66.39 million +0.3%N/A14.2 $21.28 5/29/20203,110,000 shares $60.96 million No ChangeN/A13.1 $19.60 ASMB Short Interest - Frequently Asked Questions What is Assembly Biosciences' current short interest? Short interest is the volume of Assembly Biosciences shares that have been sold short but have not yet been covered or closed out. As of April 30th, investors have sold 13,200 shares of ASMB short. 0.33% of Assembly Biosciences' shares are currently sold short. Learn More on Assembly Biosciences' current short interest. What is a good short interest percentage for Assembly Biosciences? Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 0.33% of Assembly Biosciences' floating shares are currently sold short. Is Assembly Biosciences' short interest increasing or decreasing? Assembly Biosciences saw a decline in short interest during the month of April. As of April 30th, there was short interest totaling 13,200 shares, a decline of 29.0% from the previous total of 18,600 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. What is Assembly Biosciences' float size? Assembly Biosciences currently has issued a total of 7,638,000 shares. Some of Assembly Biosciences' outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Assembly Biosciences currently has a public float of 4,020,000 shares. How does Assembly Biosciences' short interest compare to its competitors? 0.33% of Assembly Biosciences' shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical preparations" compare to Assembly Biosciences: Omeros Co. (16.46%), Nektar Therapeutics (4.98%), Cumberland Pharmaceuticals Inc. (1.11%), Eli Lilly and Company (0.86%), Johnson & Johnson (0.82%), AbbVie Inc. (1.12%), Merck & Co., Inc. (1.48%), Pfizer Inc. (2.03%), Bristol-Myers Squibb (1.83%), Zoetis Inc. (2.10%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Spotify Technology S.A. ($4.67 billion), Charter Communications, Inc. ($4.58 billion), Capital One Financial Co. ($4.47 billion), The Kroger Co. ($2.56 billion), Reddit, Inc. ($2.23 billion), Rivian Automotive, Inc. ($2.16 billion), Live Nation Entertainment, Inc. ($1.90 billion), SoFi Technologies, Inc. ($1.85 billion), Zscaler, Inc. ($1.75 billion), and Omnicom Group Inc. ($1.75 billion). View all of the most shorted stocks. What does it mean to sell short Assembly Biosciences stock? Short selling ASMB is an investing strategy that aims to generate trading profit from Assembly Biosciences as its price is falling. ASMB shares are trading down $0.88 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against Assembly Biosciences? A short squeeze for Assembly Biosciences occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of ASMB, which in turn drives the price of the stock up even further. How often is Assembly Biosciences' short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including ASMB, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies OMER Short Squeeze NKTR Short Squeeze CPIX Short Squeeze LLY Short Squeeze JNJ Short Squeeze ABBV Short Squeeze MRK Short Squeeze PFE Short Squeeze BMY Short Squeeze ZTS Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:ASMB) was last updated on 5/22/2025 by MarketBeat.com Staff From Our PartnersJuly 2025 Rule Change to Impact Retirement InvestorsThere's a massive change from a new rule going into effect this July. And it's one the Big Banks are alread...Premier Gold Co | SponsoredA new financial chapter Porter Stansberry says what happened last week could become the defining legacy of his financial publishing ca...Porter & Company | SponsoredEveryone’s watching Nvidia right now. 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