Vaxcyte (PCVX) Short Interest Ratio & Short Volume $33.97 -2.60 (-7.11%) Closing price 05/21/2025 04:00 PM EasternExtended Trading$33.98 +0.01 (+0.03%) As of 05/21/2025 07:16 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 Vaxcyte Short Interest DataVaxcyte (PCVX) has a short interest of 12.04 million shares. This marks a -2.43% decrease in short interest from the previous month. The short interest ratio (days to cover) is 5.6, indicating that it would take 5.6 days of the average trading volume of 1.36 million shares to cover all short positions.Current Short Interest12,040,000 sharesPrevious Short Interest12,340,000 sharesChange Vs. Previous Month-2.43%Dollar Volume Sold Short$431.51 millionShort Interest Ratio5.6 Days to CoverLast Record DateApril 30, 2025Outstanding Shares129,004,000 sharesPercentage of Shares Shorted9.33%Today's Trading Volume2,244,567 sharesAverage Trading Volume1,360,694 sharesToday's Volume Vs. Average165% Short Selling Vaxcyte? Sign up to receive the latest short interest report for Vaxcyte and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartPCVX Short Interest Over TimePCVX Days to Cover Over TimePCVX Percentage of Float Shorted Over Time Vaxcyte Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/202512,040,000 shares $431.51 million -2.4%N/A5.6 $35.84 4/15/202512,340,000 shares $373.04 million +2.4%10.2%6.3 $30.23 3/31/202512,050,000 shares $455.01 million -4.4%10.0%6.6 $37.76 3/15/202512,610,000 shares $937.81 million +2.3%10.4%10.9 $74.37 2/28/202512,330,000 shares $900.34 million -7.5%10.2%10.7 $73.02 2/15/202513,330,000 shares $1.12 billion -1.5%11.0%12 $84.00 1/31/202513,530,000 shares $1.19 billion -6.6%N/A10.3 $88.32 1/15/202514,490,000 shares $1.29 billion +1.2%N/A11.4 $89.29 12/31/202414,320,000 shares $1.17 billion +13.7%N/A12.7 $81.86 12/15/202412,600,000 shares $1.11 billion +14.2%N/A11.4 $87.72 Get the Latest News and Ratings for PCVX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Vaxcyte and its competitors with MarketBeat's FREE daily newsletter. 11/30/202411,030,000 shares $1.04 billion +13.8%N/A10.4 $94.34 11/15/20249,690,000 shares $841.38 million +8.5%N/A7.6 $86.83 10/31/20248,930,000 shares $949.71 million -4.4%N/A9.2 $106.35 10/15/20249,340,000 shares $1.08 billion -3.2%N/A10.2 $115.49 9/30/20249,650,000 shares $1.10 billion -0.6%N/A10 $114.27 9/15/20249,710,000 shares $1.13 billion -5.7%N/A9.4 $116.00 8/31/202410,300,000 shares $831.83 million -8.4%N/A10.4 $80.76 8/15/202411,240,000 shares $881.67 million -2.3%N/A15.9 $78.44 7/31/202411,500,000 shares $907.24 million -3.1%N/A15.4 $78.89 7/15/202411,870,000 shares $999.10 million +15.5%N/A16.2 $84.17 6/30/202410,280,000 shares $776.24 million +6.2%N/A14.6 $75.51 6/15/20249,680,500 shares $706.10 million +0.8%N/A14.9 $72.94 5/31/20249,600,000 shares $674.59 million +0.8%N/A15.3 $70.27 5/15/20249,520,000 shares $681.92 million +12.9%N/A13.7 $71.63 4/30/20248,430,000 shares $510.44 million +2.3%N/A11.7 $60.55 4/15/20248,240,000 shares $514.09 million -0.2%N/A9.7 $62.39 3/31/20248,260,000 shares $564.24 million -3.8%N/A9.6 $68.31 3/15/20248,590,000 shares $598.72 million +1.5%N/A9.9 $69.70 2/29/20248,460,000 shares $624.52 million -20.6%N/A9.3 $73.82 2/15/202410,650,000 shares $798.86 million +19.7%N/A12.3 $75.01 1/31/20248,900,000 shares $635.64 million +6.5%N/A10.7 $71.42 1/15/20248,360,000 shares $507.62 million +9.7%N/A12.4 $60.72 12/31/20237,620,000 shares $478.54 million +3.7%N/A11.6 $62.80 12/15/20237,350,000 shares $445.12 million +3.8%N/A11.6 $60.56 11/30/20237,080,000 shares $366.53 million -2.6%N/A11.5 $51.77 11/15/20237,270,000 shares $369.32 million -0.8%N/A12.6 $50.80 10/31/20237,330,000 shares $352.57 million +6.2%N/A12.7 $48.10 10/15/20236,900,000 shares $317.40 million -4.2%N/A12.8 $46.00 9/30/20237,200,000 shares $367.06 million -9.1%N/A13.5 $50.98 9/15/20237,920,000 shares $409.62 million +4.9%N/A14.9 $51.72The Secret Map of America, Declassified… (Ad)Locked inside a Maryland man’s private safe is a map. But not just any map, mind you… This map shows a “secret America” — an America first envisioned by President Harry Truman in 1946, and then classified by the government for decades. Click here to view the secret map now >> 8/31/20237,550,000 shares $392.00 million -2.6%N/A13.9 $51.92 8/15/20237,750,000 shares $368.05 million +3.6%N/A13.6 $47.49 7/31/20237,480,000 shares $359.49 million -0.1%N/A12.3 $48.06 7/15/20237,490,000 shares $371.80 million +0.4%N/A10.2 $49.64 6/30/20237,460,000 shares $372.55 million +8.4%N/A8.1 $49.94 6/15/20236,880,000 shares $358.72 million -2.7%N/A7.2 $52.14 5/31/20237,070,000 shares $350.11 million +4.0%N/A7.5 $49.52 5/15/20236,800,000 shares $342.45 million +3.8%N/A7 $50.36 4/30/20236,550,000 shares $280.54 million -7.1%N/A7 $42.83 4/15/20237,050,000 shares $257.33 million +17.3%N/A8.1 $36.50 3/31/20236,010,000 shares $225.25 million +6.0%N/A8.8 $37.48 3/15/20235,670,000 shares $220.56 million +14.8%N/A8.3 $38.90 2/28/20234,940,000 shares $202.39 million +4.7%N/A7 $40.97 2/15/20234,720,000 shares $203.67 million +1.5%N/A6.6 $43.15 1/31/20234,650,000 shares $210.88 million +5.9%N/A6 $45.35 1/15/20234,390,000 shares $195.88 million -2.0%N/A3.3 $44.62 12/30/20224,480,000 shares $214.82 million +30.2%N/A3.4 $47.95 12/15/20223,440,000 shares $156.45 million +3.6%N/A2.6 $45.48 11/30/20223,320,000 shares $152.92 million -8.8%N/A2.7 $46.06 11/15/20223,640,000 shares $160.31 million -12.3%N/A3.1 $44.04 10/31/20224,150,000 shares $180.98 million +29.7%N/A3.7 $43.61 10/15/20223,200,000 shares $78.59 million +29.0%8.2%4.2 $24.56 9/30/20222,480,000 shares $59.52 million +22.8%6.3%5.7 $24.00 9/15/20222,020,000 shares $57.00 million +10.4%5.2%5.1 $28.22 8/31/20221,830,000 shares $47.87 million -12.9%4.7%4.8 $26.16 8/15/20222,100,000 shares $54.68 million +4.5%5.4%5.5 $26.04 7/31/20222,010,000 shares $46.39 million -1.0%5.3%5.4 $23.08 7/15/20222,030,000 shares $50.53 million +9.7%5.4%5.6 $24.89 6/30/20221,850,000 shares $40.26 million +11.5%4.9%5 $21.76 6/15/20221,660,000 shares $31.04 million -18.2%4.4%4.4 $18.70 5/31/20222,030,000 shares $48.70 million +2.0%5.4%6.3 $23.99 5/15/20221,990,000 shares $46.82 million +4.2%5.3%7 $23.53 4/30/20221,910,000 shares $46.24 million +2.7%5.2%6.9 $24.21 4/15/20221,860,000 shares $45.63 million -6.5%5.0%6.6 $24.53 3/31/20221,990,000 shares $48.06 million -0.5%5.6%6.3 $24.15 3/15/20222,000,000 shares $49.78 million -1.5%5.6%6.9 $24.89 2/28/20222,030,000 shares $47.04 million +9.7%5.7%7 $23.17 2/15/20221,850,000 shares $38.31 million +12.8%5.3%6.4 $20.71 1/31/20221,640,000 shares $31.23 million +28.1%5.1%6.2 $19.04 1/15/20221,280,000 shares $24.87 million +14.3%4.0%5.5 $19.43 12/31/20211,120,000 shares $26.64 million -21.7%3.7%7 $23.79 12/15/20211,430,000 shares $32.02 million +26.6%4.7%9.5 $22.39 11/30/20211,130,000 shares $23.03 million -7.4%3.8%7.5 $20.38 11/15/20211,220,000 shares $31.82 million -6.9%4.1%8.1 $26.08 10/29/20211,310,000 shares $30.65 million +2.3%4.5%8 $23.40 10/15/20211,280,000 shares $31.24 million -9.9%4.3%7.8 $24.41 9/30/20211,420,000 shares $36.03 million -20.7%4.8%8.4 $25.37 9/15/20211,790,000 shares $47.35 million -23.5%6.1%9 $26.45 8/31/20212,340,000 shares $61.38 million -17.6%8.0%11.2 $26.23 8/13/20212,840,000 shares $73.93 million +1.8%9.8%13.2 $26.03The Secret Map of America, Declassified… (Ad)Locked inside a Maryland man’s private safe is a map. But not just any map, mind you… This map shows a “secret America” — an America first envisioned by President Harry Truman in 1946, and then classified by the government for decades. Click here to view the secret map now >> 7/30/20212,790,000 shares $60.49 million -6.4%9.8%13.1 $21.68 7/15/20212,980,000 shares $61.06 million -2.9%10.2%13.3 $20.49 6/30/20213,070,000 shares $69.11 million -13.0%10.5%12.5 $22.51 6/15/20213,530,000 shares $77.94 million -1.1%12.1%13.3 $22.08 5/28/20213,570,000 shares $75.22 million -4.3%12.2%11.4 $21.07 5/14/20213,730,000 shares $71.21 million No Change12.8%10.8 $19.09 4/30/20213,730,000 shares $69.97 million -1.1%13.2%9.1 $18.76 4/15/20213,770,000 shares $75.02 million -21.1%13.3%9 $19.90 3/31/20214,780,000 shares $89.19 million +27.1%17.0%11.3 $18.66 3/15/20213,760,000 shares $99.19 million -0.5%13.5%9 $26.38 2/26/20213,780,000 shares $95.26 million +12.5%13.6%10.2 $25.20 2/12/20213,360,000 shares $86.89 million +3.7%12.1%9.1 $25.86 1/29/20213,240,000 shares $78.15 million +6.2%11.1%10 $24.12 1/15/20213,050,000 shares $78.78 million No Change10.5%11 $25.83 PCVX Short Interest - Frequently Asked Questions What is Vaxcyte's current short interest? Short interest is the volume of Vaxcyte shares that have been sold short but have not yet been covered or closed out. As of April 30th, investors have sold 12,040,000 shares of PCVX short. Learn More on Vaxcyte's current short interest. What is a good short interest ratio for Vaxcyte? 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. PCVX shares currently have a short interest ratio of 6.0. Learn More on Vaxcyte's short interest ratio. Which institutional investors are shorting Vaxcyte? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Vaxcyte: Jane Street Group LLC, Goldman Sachs Group Inc., Millennium Management LLC, Caption Management LLC, Torno Capital LLC, and Persistent Asset Partners Ltd. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Vaxcyte's short interest increasing or decreasing? Vaxcyte saw a decline in short interest in the month of April. As of April 30th, there was short interest totaling 12,040,000 shares, a decline of 2.4% from the previous total of 12,340,000 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 Vaxcyte's short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Vaxcyte: Intra-Cellular Therapies, Inc. (2.58%), Genmab A/S (0.39%), Dr. Reddy's Laboratories Limited (1.79%), Viatris Inc. (4.27%), Moderna, Inc. (17.58%), Ascendis Pharma A/S (6.40%), Qiagen (2.35%), Roivant Sciences Ltd. (12.03%), Revolution Medicines, Inc. (8.89%), Elanco Animal Health Incorporated (5.00%), 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 Vaxcyte stock? Short selling PCVX is an investing strategy that aims to generate trading profit from Vaxcyte as its price is falling. PCVX shares are trading down $2.60 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 Vaxcyte? A short squeeze for Vaxcyte 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 PCVX, which in turn drives the price of the stock up even further. How often is Vaxcyte'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 PCVX, twice per month. The most recent reporting period available is April, 30 2025. 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