AnaptysBio (ANAB) Short Interest Ratio & Short Volume $20.81 -0.29 (-1.37%) Closing price 04:00 PM EasternExtended Trading$20.82 +0.01 (+0.02%) As of 05:32 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock AnaptysBio Short Interest DataAnaptysBio (ANAB) has a short interest of 8.96 million shares, representing 33.06% of the float (the number of shares available for trading by the public). This marks a -16.81% decrease in short interest from the previous month. The short interest ratio (days to cover) is 9.1, indicating that it would take 9.1 days of the average trading volume of 878,059 shares to cover all short positions.Current Short Interest8,960,000 sharesPrevious Short Interest10,770,000 sharesChange Vs. Previous Month-16.81%Dollar Volume Sold Short$199.09 millionShort Interest Ratio9.1 Days to CoverLast Record DateApril 30, 2025Outstanding Shares29,380,000 sharesFloat Size27,100,000 sharesShort Percent of Float33.06%Today's Trading Volume492,109 sharesAverage Trading Volume878,059 sharesToday's Volume Vs. Average56% Short Selling AnaptysBio? Sign up to receive the latest short interest report for AnaptysBio and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartANAB Short Interest Over TimeANAB Days to Cover Over TimeANAB Percentage of Float Shorted Over Time AnaptysBio Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/20258,960,000 shares $199.09 million -16.8%33.1%9.1 $22.22 4/15/202510,770,000 shares $194.94 million +0.4%53.4%10.7 $18.10 3/31/202510,730,000 shares $199.47 million +9.5%53.2%10.5 $18.59 3/15/20259,800,000 shares $163.95 million +8.5%48.6%10.1 $16.73 2/28/20259,030,000 shares $151.88 million -3.0%44.8%9.3 $16.82 2/15/20259,310,000 shares $197.56 million +54.4%46.1%10 $21.22 1/31/20256,030,000 shares $108.12 million -8.6%23.3%9.1 $17.93 1/15/20256,600,000 shares $102.10 million -10.0%25.5%9.5 $15.47 12/31/20247,330,000 shares $97.05 million +4.9%28.3%12.2 $13.24 12/15/20246,990,000 shares $108.97 million -1.6%26.9%12.5 $15.59 Get the Latest News and Ratings for ANAB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for AnaptysBio and its competitors with MarketBeat's FREE daily newsletter. 11/30/20247,100,000 shares $177.22 million +5.8%27.3%15.9 $24.96 11/15/20246,710,000 shares $127.49 million +8.6%25.8%16.6 $19.00 10/31/20246,180,000 shares $133.67 million +3.3%23.8%15.5 $21.63 10/15/20245,980,000 shares $198.95 million +0.3%23.2%19.3 $33.27 9/30/20245,960,000 shares $199.66 million +2.2%23.1%18.6 $33.50 9/15/20245,830,000 shares $235.12 million +3.6%22.6%18.5 $40.33 8/31/20245,630,000 shares $214.45 million +0.4%21.8%17.1 $38.09 8/15/20245,610,000 shares $182.04 million -0.9%22.1%16.5 $32.45 7/31/20245,660,000 shares $197.19 million +9.3%23.3%17.9 $34.84 7/15/20245,180,000 shares $169.44 million +6.6%21.4%14.8 $32.71 6/30/20244,860,000 shares $121.79 million +5.2%20.1%14.1 $25.06 6/15/20244,620,000 shares $109.82 million +2.9%19.1%12.5 $23.77 5/31/20244,490,000 shares $107.49 million +1.1%18.5%11.5 $23.94 5/15/20244,440,000 shares $113.66 million +1.6%18.4%12 $25.60 4/30/20244,370,000 shares $106.37 million +2.3%18.1%12.2 $24.34 4/15/20244,270,000 shares $90.82 million -0.7%18.0%13.2 $21.27 3/31/20244,300,000 shares $96.84 million +3.9%18.2%13.6 $22.52 3/15/20244,140,000 shares $97.08 million -1.4%17.9%14.5 $23.45 2/29/20244,200,000 shares $107.23 million -6.9%18.3%15.9 $25.53 2/15/20244,510,000 shares $102.65 million -11.7%19.6%17.1 $22.76 1/31/20245,110,000 shares $120.60 million +13.1%22.2%19.7 $23.60 1/15/20244,520,000 shares $104.68 million +1.1%19.6%17.8 $23.16 12/31/20234,470,000 shares $95.75 million -0.7%18.7%19.2 $21.42 12/15/20234,500,000 shares $86.58 million -9.5%18.8%18.9 $19.24 11/30/20234,970,000 shares $70.28 million +0.6%20.8%21.4 $14.14 11/15/20234,940,000 shares $71.09 million -2.2%20.7%21.1 $14.39 10/31/20235,050,000 shares $82.37 million +1.8%21.7%20.9 $16.31 10/15/20234,960,000 shares $93.45 million +4.6%21.3%18.8 $18.84 9/30/20234,740,000 shares $85.13 million +1.1%20.4%17.4 $17.96 9/15/20234,690,000 shares $91.46 million +1.1%20.2%18 $19.50Buffett’s favorite chart just hit 209% – here’s what that means for gold (Ad)A Historic Gold Announcement Is About to Rock Wall Street For months, sharp-eyed analysts have watched the quiet buildup behind the scenes. 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Get Garrett’s Top Four picks now. 8/31/20234,640,000 shares $91.32 million -1.7%19.4%18.5 $19.68 8/15/20234,720,000 shares $91.43 million +1.3%19.8%20.1 $19.37 7/31/20234,660,000 shares $91.85 million +1.3%19.4%21.1 $19.71 7/15/20234,600,000 shares $84.96 million -0.7%19.2%24.2 $18.47 6/30/20234,630,000 shares $94.17 million -1.7%19.4%23.4 $20.34 6/15/20234,710,000 shares $88.55 million -5.2%19.7%22 $18.80 5/31/20234,970,000 shares $94.93 million +2.5%20.7%24.1 $19.10 5/15/20234,850,000 shares $93.94 million +1.5%20.2%22 $19.37 4/30/20234,780,000 shares $99.52 million +0.4%19.6%21.8 $20.82 4/15/20234,760,000 shares $102.48 million +1.1%18.8%16.6 $21.53 3/31/20234,710,000 shares $102.49 million +2.6%18.5%16.3 $21.76 3/15/20234,590,000 shares $105.43 million +7.2%18.1%15.1 $22.97 2/28/20234,280,000 shares $106.57 million +1.4%16.9%14 $24.90 2/15/20234,220,000 shares $110.48 million +0.5%16.4%13.9 $26.18 1/31/20234,200,000 shares $104.54 million -15.0%16.1%13.7 $24.89 1/15/20234,940,000 shares $130.32 million -8.2%18.9%18.4 $26.38 12/30/20225,380,000 shares $166.73 million -1.5%20.6%23.6 $30.99 12/15/20225,460,000 shares $156.37 million +0.7%20.9%28.3 $28.64 11/30/20225,420,000 shares $149.75 million -2.2%20.7%26.8 $27.63 11/15/20225,540,000 shares $165.98 million -1.6%21.2%23.7 $29.96 10/31/20225,630,000 shares $162.43 million +2.6%21.7%22.1 $28.85 10/15/20225,490,000 shares $145.59 million -1.6%21.1%20.8 $26.52 9/30/20225,580,000 shares $142.35 million +3.1%22.4%20.7 $25.51 9/15/20225,410,000 shares $138.50 million +4.4%21.7%19.6 $25.60 8/31/20225,180,000 shares $120.28 million +17.7%20.8%17.4 $23.22 8/15/20224,400,000 shares $112.64 million -2.0%17.9%16 $25.60 7/31/20224,490,000 shares $94.02 million +12.0%18.3%14.1 $20.94 7/15/20224,010,000 shares $81.56 million +3.4%16.4%11.8 $20.34 6/30/20223,880,000 shares $78.76 million +3.5%15.8%11.6 $20.30 6/15/20223,750,000 shares $81.30 million +13.3%15.3%10.9 $21.68 5/31/20223,310,000 shares $62.86 million -9.6%13.5%10.2 $18.99 5/15/20223,660,000 shares $77.34 million +26.6%15.0%12.5 $21.13 4/30/20222,890,000 shares $67.63 million +21.9%12.0%12.3 $23.40 4/15/20222,370,000 shares $54.18 million -2.9%9.9%11.6 $22.86 3/31/20222,440,000 shares $60.37 million -12.5%10.2%12.7 $24.74 3/15/20222,790,000 shares $74.02 million +9.8%11.6%15.7 $26.53 2/28/20222,540,000 shares $77.65 million +8.6%10.6%15.9 $30.57 2/15/20222,340,000 shares $73.43 million +2.6%9.8%13.9 $31.38 1/31/20222,280,000 shares $72.89 million +2.7%9.5%13.6 $31.97 1/15/20222,220,000 shares $74.90 million +3.3%8.8%12.6 $33.74 12/31/20212,150,000 shares $74.71 million -6.1%8.5%12.6 $34.75 12/15/20212,290,000 shares $79.62 million No Change9.1%13.1 $34.77 11/30/20212,290,000 shares $74.08 million -1.7%9.1%13.4 $32.35 11/15/20212,330,000 shares $74.91 million -4.1%9.3%14.2 $32.15 10/29/20212,430,000 shares $79.95 million -1.6%9.6%14.6 $32.90 10/15/20212,470,000 shares $70.81 million -3.5%9.7%16 $28.67 9/30/20212,560,000 shares $69.43 million -7.9%10.1%15.9 $27.12 9/15/20212,780,000 shares $71.86 million -4.1%10.9%16.1 $25.85 8/31/20212,900,000 shares $74.41 million +1.1%11.4%14.6 $25.66 8/13/20212,870,000 shares $67.65 million -1.4%11.3%13.6 $23.57Get Your Bank Account “Fed Invasion” Ready with THESE 4 Simple Steps (Ad)Starting as soon as a few months from now, the United States government will make a sweeping change to bank accounts nationwide. It will give them unprecedented powers to control your bank account.Learn these 4 simple steps and protect your savings before it’s too late. 7/30/20212,910,000 shares $66.87 million -7.0%11.5%13 $22.98 7/15/20213,130,000 shares $80.41 million +1.0%12.4%12.8 $25.69 6/30/20213,100,000 shares $80.38 million -18.4%12.2%12.4 $25.93 6/15/20213,800,000 shares $93.06 million +0.5%15.0%15 $24.49 5/28/20213,780,000 shares $90.23 million -4.8%14.9%13.2 $23.87 5/14/20213,970,000 shares $103.10 million +0.8%15.7%8.6 $25.97 4/30/20213,940,000 shares $96.06 million -8.4%15.7%8 $24.38 4/15/20214,300,000 shares $91.46 million +2.6%16.5%8.4 $21.27 3/31/20214,190,000 shares $84.76 million +6.6%16.1%7.8 $20.23 3/15/20213,930,000 shares $83.91 million +3.2%15.1%7 $21.35 2/26/20213,810,000 shares $98.98 million +1.9%14.6%7.6 $25.98 2/12/20213,740,000 shares $123.46 million +4.8%14.4%10.9 $33.01 1/29/20213,570,000 shares $86.50 million +1.1%13.6%11.2 $24.23 1/15/20213,530,000 shares $90.47 million No Change13.5%10.3 $25.63 12/31/20203,530,000 shares $77.24 million -3.3%13.5%9.4 $21.88 12/15/20203,650,000 shares $87.89 million -2.9%13.9%10.6 $24.08 11/30/20203,760,000 shares $96.97 million -5.3%14.3%10.6 $25.79 11/15/20203,970,000 shares $116.12 million +0.8%15.1%11.4 $29.25 10/30/20203,940,000 shares $115.44 million -11.5%15.8%11.8 $29.30 10/15/20204,450,000 shares $90.65 million +3.5%17.9%15.7 $20.37 9/30/20204,300,000 shares $63.43 million -6.9%17.3%20.4 $14.75 9/15/20204,620,000 shares $71.79 million +0.4%18.6%19.9 $15.54 8/31/20204,600,000 shares $79.72 million -3.6%18.5%18 $17.33 8/14/20204,770,000 shares $80.66 million -2.1%19.2%16.4 $16.91 7/31/20204,870,000 shares $87.47 million -3.4%19.6%15.5 $17.96 7/15/20205,040,000 shares $104.38 million -1.6%20.3%14.3 $20.71 6/30/20205,120,000 shares $114.38 million -12.0%20.6%13.4 $22.34 6/15/20205,820,000 shares $107.84 million -2.2%23.5%13.3 $18.53 5/29/20205,950,000 shares $114.48 million -4.7%24.0%12.4 $19.24 ANAB Short Interest - Frequently Asked Questions What is AnaptysBio's current short interest? Short interest is the volume of AnaptysBio shares that have been sold short but have not yet been closed out or covered. As of April 30th, investors have sold 8,960,000 shares of ANAB short. 33.06% of AnaptysBio's shares are currently sold short. Learn More on AnaptysBio's current short interest. What is a good short interest ratio for AnaptysBio? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. ANAB shares currently have a short interest ratio of 9.0. Learn More on AnaptysBio's short interest ratio. Which institutional investors are shorting AnaptysBio? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of AnaptysBio: Jane Street Group LLC, HAP Trading LLC, and Altium Capital Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for AnaptysBio? 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. 33.06% of AnaptysBio's floating shares are currently sold short. Is AnaptysBio's short interest increasing or decreasing? AnaptysBio saw a decline in short interest during the month of April. As of April 30th, there was short interest totaling 8,960,000 shares, a decline of 16.8% from the previous total of 10,770,000 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 AnaptysBio's float size? AnaptysBio currently has issued a total of 29,380,000 shares. Some of AnaptysBio's 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. AnaptysBio currently has a public float of 27,100,000 shares. How does AnaptysBio's short interest compare to its competitors? 33.06% of AnaptysBio's shares are currently sold short. Here is how the short interest of companies in the industry of "pharmaceutical products" compare to AnaptysBio: Organon & Co. (7.61%), Mirum Pharmaceuticals, Inc. (12.58%), Apellis Pharmaceuticals, Inc. (22.89%), Denali Therapeutics Inc. (9.34%), Vericel Co. (9.18%), NewAmsterdam Pharma (8.68%), Kymera Therapeutics, Inc. (11.03%), Biohaven Ltd. (7.65%), ImmunityBio, Inc. (7.79%), Harmony Biosciences Holdings, Inc. (7.46%), 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 AnaptysBio stock? Short selling ANAB is an investing strategy that aims to generate trading profit from AnaptysBio as its price is falling. ANAB shares are trading down $0.29 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 AnaptysBio? A short squeeze for AnaptysBio occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of ANAB, which in turn drives the price of the stock up even further. How often is AnaptysBio's 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 ANAB, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies Organon & Co. Short Squeeze Mirum Pharmaceuticals Short Squeeze Apellis Pharmaceuticals Short Squeeze Denali Therapeutics Short Squeeze Vericel Short Squeeze NewAmsterdam Pharma Short Squeeze Kymera Therapeutics Short Squeeze Biohaven Short Squeeze ImmunityBio Short Squeeze Harmony Biosciences 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:ANAB) was last updated on 5/21/2025 by MarketBeat.com Staff From Our PartnersMarket 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 | SponsoredGold Hits New Highs as Global Markets SpiralWhen Trump took office in 2017, gold was just $1,100 an ounce. 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