Novavax (NVAX) Short Interest Ratio & Short Volume $9.55 +0.05 (+0.53%) Closing price 10/2/2025 04:00 PM EasternExtended Trading$9.52 -0.03 (-0.31%) As of 05:09 AM 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 ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Novavax Short Interest DataNovavax (NVAX) has a short interest of 44.72 million shares. This marks a 1.94% increase in short interest from the previous month. The short interest ratio (days to cover) is 7.1, indicating that it would take 7.1 days of the average trading volume of 4.64 million shares to cover all short positions.Current Short Interest44,720,000 sharesPrevious Short Interest43,870,000 sharesChange Vs. Previous Month+1.94%Dollar Volume Sold Short$361.34 millionShort Interest Ratio7.1 Days to CoverLast Record DateSeptember 15, 2025Outstanding Shares162,422,000 sharesPercentage of Shares Shorted27.53%Today's Trading Volume4,326,853 sharesAverage Trading Volume4,637,668 sharesToday's Volume Vs. Average93% Short Selling Novavax? Sign up to receive the latest short interest report for Novavax and its competitors with MarketBeat's FREE newsletter. Email Address Get Report 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. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartNVAX Short Interest Over TimeNVAX Days to Cover Over TimeNVAX Percentage of Float Shorted Over Time Novavax Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 9/15/202544,720,000 shares $361.34 million +1.9%N/A7.1 $8.08 8/31/202543,870,000 shares $327.71 million +15.1%27.3%6.9 $7.47 8/15/202538,100,000 shares $365.00 million -10.0%N/A5.8 $9.58 7/31/202542,310,000 shares $281.36 million -1.8%26.3%4.9 $6.65 7/15/202543,080,000 shares $296.39 million -7.5%N/A5.2 $6.88 6/30/202546,560,000 shares $293.33 million +4.7%29.0%5.4 $6.30 6/15/202544,480,000 shares $308.69 million -0.5%27.7%5.1 $6.94 5/31/202544,700,000 shares $330.33 million -3.8%28.2%5.3 $7.39 5/15/202546,470,000 shares $292.30 million +9.8%29.3%5.7 $6.29 4/30/202542,330,000 shares $282.34 million +3.2%N/A7 $6.67 Get the Latest News and Ratings for NVAX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Novavax and its competitors with MarketBeat's FREE daily newsletter. 4/15/202541,030,000 shares $262.18 million +11.3%25.9%8.1 $6.39 3/31/202536,880,000 shares $236.40 million -1.8%23.3%7.9 $6.41 3/15/202537,550,000 shares $300.02 million -4.3%23.7%8.9 $7.99 2/28/202539,230,000 shares $326.79 million +10.7%24.7%9.2 $8.33 2/15/202535,450,000 shares $290.34 million +1.5%22.4%8.8 $8.19 1/31/202534,940,000 shares $303.63 million -8.2%N/A7.8 $8.69 1/15/202538,070,000 shares $325.50 million +3.1%N/A8.2 $8.55 12/31/202436,920,000 shares $296.84 million -5.7%N/A7 $8.04 12/15/202439,160,000 shares $356.75 million -1.6%N/A7 $9.11 11/30/202439,780,000 shares $346.88 million -4.2%N/A6.6 $8.72 11/15/202441,510,000 shares $303.85 million +3.8%N/A6.5 $7.32 10/31/202439,980,000 shares $384.21 million +11.9%N/A6.6 $9.61 10/15/202435,720,000 shares $450.07 million +5.4%N/A5.3 $12.60 9/30/202433,880,000 shares $427.90 million +1.0%N/A5 $12.63 9/15/202433,530,000 shares $456.34 million +6.1%N/A5 $13.61 8/31/202431,610,000 shares $391.33 million +3.6%N/A4.1 $12.38 8/15/202430,500,000 shares $385.52 million +6.1%N/A2.9 $12.64 7/31/202428,760,000 shares $368.42 million -8.4%N/A1.7 $12.81 7/15/202431,400,000 shares $474.77 million +6.3%N/A1.9 $15.12 6/30/202429,530,000 shares $373.85 million -25.6%N/A1.9 $12.66 6/15/202439,710,000 shares $571.82 million +3.9%N/A2.6 $14.40 5/31/202438,210,000 shares $574.30 million -15.6%N/A2.7 $15.03 5/15/202445,290,000 shares $584.24 million +0.8%N/A3.5 $12.90 4/30/202444,930,000 shares $194.55 million +2.7%N/A6.6 $4.33 4/15/202443,770,000 shares $180.33 million -0.3%N/A6.1 $4.12 3/31/202443,910,000 shares $209.89 million -8.8%N/A5.5 $4.78 3/15/202448,130,000 shares $254.61 million -8.7%N/A5.6 $5.29 2/29/202452,740,000 shares $260.54 million -3.8%N/A5.5 $4.94 2/15/202454,830,000 shares $235.77 million +5.3%N/A6.4 $4.30 1/31/202452,090,000 shares $208.36 million +2.3%N/A6.9 $4.00 1/15/202450,910,000 shares $233.17 million +3.5%N/A7 $4.58 12/31/202349,200,000 shares $236.16 million +8.0%N/A6.5 $4.80 12/15/202345,540,000 shares $245.92 million +5.6%N/A6 $5.40 11/30/202343,110,000 shares $237.11 million +4.8%N/A5.6 $5.50 11/15/202341,150,000 shares $255.13 million -8.4%N/A4.7 $6.20 10/31/202344,910,000 shares $299.10 million +4.5%N/A4.7 $6.66 10/15/202342,990,000 shares $303.08 million -3.3%N/A4.3 $7.05 9/30/202344,440,000 shares $321.75 million -0.1%N/A4.7 $7.24 9/15/202344,500,000 shares $343.10 million +11.0%N/A5 $7.71 8/31/202340,090,000 shares $320.72 million +0.7%N/A4.7 $8.00 8/15/202339,800,000 shares $288.15 million +7.7%N/A5.6 $7.24 7/31/202336,950,000 shares $342.90 million +0.7%N/A5.5 $9.28 7/15/202336,690,000 shares $318.47 million +0.7%N/A6.1 $8.68 6/30/202336,450,000 shares $270.82 million +18.2%N/A5.8 $7.43 6/15/202330,840,000 shares $248.57 million +2.7%N/A5.3 $8.06 5/31/202330,030,000 shares $241.74 million -6.0%N/A5.2 $8.05 5/15/202331,930,000 shares $258.95 million -5.0%N/A5 $8.11 4/30/202333,600,000 shares $257.71 million -1.6%N/A5.4 $7.67 4/15/202334,150,000 shares $312.81 million -9.6%N/A5.5 $9.16 3/31/202337,770,000 shares $261.75 million +13.6%N/A5.9 $6.93 3/15/202333,240,000 shares $196.12 million -2.6%N/A5 $5.90 2/28/202334,110,000 shares $315.86 million +6.4%N/A4.6 $9.26 2/15/202332,050,000 shares $326.59 million +3.9%N/A4.7 $10.19 1/31/202330,840,000 shares $336.46 million -0.2%N/A4.5 $10.91 1/15/202330,910,000 shares $379.88 million +1.6%N/A4.7 $12.29 12/30/202230,410,000 shares $312.61 million +24.3%N/A4.5 $10.28 12/15/202224,470,000 shares $277.00 million +3.8%N/A3.9 $11.32 11/30/202223,570,000 shares $388.67 million +4.4%N/A4.7 $16.49 11/15/202222,580,000 shares $524.31 million +0.6%N/A4.7 $23.22 10/31/202222,450,000 shares $499.96 million +5.1%N/A4.5 $22.27 10/15/202221,360,000 shares $420.15 million +9.5%N/A4 $19.67 9/30/202219,500,000 shares $354.90 million +14.6%N/A3.2 $18.20 9/15/202217,020,000 shares $554.00 million +9.0%N/A2.8 $32.55 8/31/202215,620,000 shares $516.08 million +0.8%N/A2.4 $33.04 8/15/202215,490,000 shares $655.23 million -5.1%N/A2.1 $42.30 7/31/202216,330,000 shares $890.15 million +8.9%N/A2.2 $54.51 7/15/202214,990,000 shares $815.91 million +1.4%N/A2.1 $54.43 6/30/202214,780,000 shares $760.14 million -6.0%N/A2.3 $51.43 6/15/202215,730,000 shares $648.55 million +30.0%N/A2.7 $41.23 5/31/202212,100,000 shares $669.49 million -15.3%N/A2.2 $55.33 5/15/202214,290,000 shares $741.51 million +17.4%N/A3.1 $51.89 4/30/202212,170,000 shares $548.50 million +0.4%N/A2.7 $45.07 4/15/202212,120,000 shares $709.63 million +11.3%N/A2.6 $58.55 3/31/202210,890,000 shares $802.05 million +7.6%N/A2.2 $73.65 3/15/202210,120,000 shares $746.86 million +5.0%N/A1.8 $73.80 2/28/20229,640,000 shares $803.69 million +1.8%N/A1.6 $83.37 2/15/20229,470,000 shares $825.12 million +2.7%N/A1.5 $87.13 1/31/20229,220,000 shares $863.91 million -4.0%N/A1.5 $93.70 1/15/20229,600,000 shares $1.06 billion +7.5%N/A1.6 $110.82 12/31/20218,930,000 shares $1.28 billion +6.7%N/A1.5 $143.07 12/15/20218,370,000 shares $1.50 billion +8.1%N/A1.5 $179.49 11/30/20217,740,000 shares $1.61 billion -10.1%N/A1.5 $208.63 11/15/20218,610,000 shares $1.48 billion +4.5%N/A1.8 $172.45 10/29/20218,240,000 shares $1.23 billion +33.8%11.2%1.5 $148.83 10/15/20216,160,000 shares $997.61 million +1.5%8.4%1.1 $161.95 9/30/20216,070,000 shares $1.26 billion -9.1%8.2%1.2 $207.31 9/15/20216,680,000 shares $1.55 billion +9.9%9.1%1.4 $232.30 8/31/20216,080,000 shares $1.45 billion -15.3%8.3%1.2 $238.54 8/13/20217,180,000 shares $1.85 billion +21.9%9.8%1.4 $257.27 7/30/20215,890,000 shares $1.06 billion -2.6%8.0%1.3 $179.33 7/15/20216,050,000 shares $1.08 billion -0.5%8.2%1.4 $179.14 6/30/20216,080,000 shares $1.29 billion +5.0%8.3%1.5 $212.31 6/15/20215,790,000 shares $1.08 billion -0.3%7.9%1.5 $187.07 5/28/20215,810,000 shares $857.67 million +10.9%7.9%1.7 $147.62 5/14/20215,240,000 shares $634.04 million +17.8%N/A1.5 $121.00 4/30/20214,450,000 shares $1.06 billion -5.3%N/A1.2 $237.53 4/15/20214,700,000 shares $946.30 million +9.6%N/A1.1 $201.34 3/31/20214,290,000 shares $743.54 million -13.3%N/A1 $173.32 3/15/20214,950,000 shares $1.00 billion -7.1%N/A1.1 $202.77 2/26/20215,330,000 shares $1.18 billion -13.1%N/A1.2 $221.50 2/12/20216,130,000 shares $1.83 billion -1.1%N/A1.2 $298.26 1/29/20216,200,000 shares $830.86 million -11.1%N/A1.2 $134.01 1/15/20216,970,000 shares $905.96 million -4.9%N/A1.7 $129.98 12/31/20207,330,000 shares $871.98 million +1.4%N/A1.8 $118.96 12/15/20207,230,000 shares $937.73 million -19.4%N/A1.8 $129.70 11/30/20208,970,000 shares $1.13 billion +3.0%N/A2.1 $125.69 11/15/20208,710,000 shares $841.39 million +8.9%N/A2 $96.60 10/30/20208,000,000 shares $701.04 million +7.7%N/A1.6 $87.63 10/15/20207,430,000 shares $830.38 million -5.0%N/A1.3 $111.76 NVAX Short Interest - Frequently Asked Questions What is Novavax's current short interest? Short interest is the volume of Novavax shares that have been sold short but have not yet been closed out or covered. As of September 15th, traders have sold 44,720,000 shares of NVAX short. Learn More on Novavax's current short interest. What is a good short interest ratio for Novavax? 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. NVAX shares currently have a short interest ratio of 7.0. Learn More on Novavax's short interest ratio. Which institutional investors are shorting Novavax? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Novavax: Nomura Holdings Inc., Sculptor Capital LP, Group One Trading LLC, Cubist Systematic Strategies LLC, Balyasny Asset Management L.P., Bank of America Corp DE, Jane Street Group LLC, Caption Management LLC, Walleye Capital LLC, Walleye Trading LLC, Capital Fund Management S.A., JPMorgan Chase & Co., Simplex Trading LLC, and Wolverine Asset Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Novavax's short interest increasing or decreasing? Novavax saw a increase in short interest during the month of September. As of September 15th, there was short interest totaling 44,720,000 shares, an increase of 1.9% from the previous total of 43,870,000 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. How does Novavax's short interest compare to its competitors? Here is how the short interest of companies in the sector of "medical" compare to Novavax: Moderna, Inc. (18.43%), Ocugen, Inc. (18.50%), Vaxart, Inc. (3.01%), Johnson & Johnson (0.91%), Pfizer Inc. (1.99%), Alkermes plc (9.12%), Ligand Pharmaceuticals Incorporated (5.72%), Amicus Therapeutics, Inc. (6.79%), Celldex Therapeutics, Inc. (9.91%), MannKind Corporation (5.61%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Corporation ($8.81 billion), Canadian Natural Resources Limited ($5.82 billion), Reddit Inc. ($5.19 billion), Coinbase Global, Inc. ($4.52 billion), Robinhood Markets, Inc. ($4.30 billion), Charter Communications, Inc. ($3.75 billion), CoreWeave Inc. ($3.66 billion), Seagate Technology Holdings PLC ($3.57 billion), Live Nation Entertainment, Inc. ($3.33 billion), and Rocket Lab Corporation ($3.26 billion). View all of the most shorted stocks. What does it mean to sell short Novavax stock? Short selling NVAX is an investing strategy that aims to generate trading profit from Novavax as its price is falling. NVAX shares are trading up $0.05 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 Novavax? A short squeeze for Novavax 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 NVAX, which in turn drives the price of the stock up even further. How often is Novavax'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 NVAX, twice per month. The most recent reporting period available is September, 15 2025. More Short Interest Resources from MarketBeat Related Companies MRNA Short Interest Data OCGN Short Interest Data VXRT Short Interest Data JNJ Short Interest Data PFE Short Interest Data ALKS Short Interest Data LGND Short Interest Data FOLD Short Interest Data CLDX Short Interest Data MNKD Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:NVAX) was last updated on 10/3/2025 by MarketBeat.com Staff From Our PartnersMagnificent 7 being replaced by the “Hidden 7”?BULLISH: It's time to buy this 'hidden' AI stock An award-winning stock-rating system has turned BULLISH on...Chaikin Analytics | SponsoredU.S. Government Sparking Crypto RallyU.S. Puts GDP on the Blockchain Could this spark the next crypto supercycle? 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