Pacific Biosciences of California (PACB) Short Interest Ratio & Short Volume $1.74 +0.02 (+0.87%) (As of 09:34 AM ET) Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrends Pacific Biosciences of California Short Interest DataPacific Biosciences of California (PACB) has a short interest of 50.41 million shares. This marks a 3.85% increase in short interest from the previous month. The short interest ratio (days to cover) is 5.8, indicating that it would take 5.8 days of the average trading volume of 9.63 million shares to cover all short positions.Current Short Interest50,410,000 sharesPrevious Short Interest48,540,000 sharesChange Vs. Previous Month+3.85%Dollar Volume Sold Short$109.39 millionShort Interest Ratio5.8 Days to CoverLast Record DateOctober 31, 2024Outstanding Shares273,860,000 sharesPercentage of Shares Shorted18.41%Today's Trading Volume665,384 sharesAverage Trading Volume9,627,153 sharesToday's Volume Vs. Average7% Short Selling Pacific Biosciences of California? Sign up to receive the latest short interest report for Pacific Biosciences of California and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartPACB Short Interest Over TimePACB Days to Cover Over TimePACB Percentage of Float Shorted Over Time Ad WealthPressBreaking News: Tesla headed to $500…That headline hit late last night…and the rally has begun Which is why we want to urge you to go ahead and download Lance’s e-Book now outlining his bullish case for Tesla. 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Pacific Biosciences of California Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 10/31/202450,410,000 shares $109.39 million +3.9%N/A5.8 $2.17 10/15/202448,540,000 shares $101.93 million -6.0%N/A5.9 $2.10 9/30/202451,640,000 shares $87.79 million +11.0%N/A5.7 $1.70 9/15/202446,530,000 shares $84.22 million -23.8%N/A4.9 $1.81 8/31/202461,030,000 shares $83.61 million +1.8%N/A6.8 $1.37 8/15/202459,960,000 shares $101.33 million +5.0%N/A6.8 $1.69 Get the Latest News and Ratings for PACB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Pacific Biosciences of California and its competitors with MarketBeat's FREE daily newsletter. 7/31/202457,100,000 shares $117.63 million -7.4%N/A5.9 $2.06 7/15/202461,680,000 shares $99.92 million +9.2%N/A6.2 $1.62 6/30/202456,470,000 shares $77.36 million +3.5%N/A5.3 $1.37 6/15/202454,570,000 shares $96.04 million +0.6%N/A5.3 $1.76 5/31/202454,250,000 shares $97.11 million -4.1%N/A5.2 $1.79 5/15/202456,580,000 shares $121.36 million +7.1%N/A5.2 $2.15 4/30/202452,820,000 shares $87.15 million +8.9%N/A5.1 $1.65 4/15/202448,520,000 shares $137.55 million -1.1%N/A5 $2.84 3/31/202449,050,000 shares $183.94 million +7.6%N/A5.6 $3.75 3/15/202445,570,000 shares $172.71 million +4.7%N/A5.4 $3.79 2/29/202443,540,000 shares $240.78 million +7.8%N/A5.3 $5.53 2/15/202440,380,000 shares $269.33 million +18.1%N/A5.4 $6.67 1/31/202434,190,000 shares $222.58 million -5.0%N/A5.1 $6.51 1/15/202436,000,000 shares $241.56 million -4.7%N/A5.6 $6.71 12/31/202337,780,000 shares $370.62 million +8.3%N/A6.7 $9.81 12/15/202334,890,000 shares $329.36 million +4.4%N/A6.7 $9.44 11/30/202333,430,000 shares $283.49 million -14.8%N/A7 $8.48 11/15/202339,230,000 shares $306.39 million +11.7%N/A8.5 $7.81 10/31/202335,120,000 shares $217.04 million -6.9%N/A8.1 $6.18 10/15/202337,740,000 shares $301.17 million +14.1%N/A9.6 $7.98 9/30/202333,070,000 shares $276.13 million -2.2%N/A8.6 $8.35 9/15/202333,820,000 shares $352.40 million +2.3%N/A9.4 $10.42 8/31/202333,060,000 shares $372.92 million +5.3%N/A9.3 $11.28 8/15/202331,390,000 shares $352.20 million +10.6%N/A8.3 $11.22 7/31/202328,390,000 shares $375.03 million -7.6%N/A7.7 $13.21 7/15/202330,710,000 shares $421.96 million -2.7%N/A8.6 $13.74 6/30/202331,550,000 shares $419.62 million +25.3%N/A8.8 $13.30 6/15/202325,190,000 shares $335.28 million -1.0%N/A6.7 $13.31 5/31/202325,440,000 shares $314.95 million +5.2%N/A6.7 $12.38 5/15/202324,180,000 shares $300.80 million -5.0%N/A6.6 $12.44 4/30/202325,440,000 shares $269.66 million -6.4%N/A6.7 $10.60 4/15/202327,180,000 shares $304.42 million +8.3%N/A6.6 $11.20 3/31/202325,100,000 shares $290.66 million -4.5%N/A5.8 $11.58 3/15/202326,280,000 shares $238.10 million +14.2%N/A6.2 $9.06JD Vance Predicts: Wall Street vs. Trump & Your Money (Ad)Trump's back in the White House, but Wall Street is pissed. Here's the deal: Wall Street's about to purposely crash the bond market to sabotage Trump's comeback.Get your free guide NOW before it's too late. 2/28/202323,020,000 shares $209.02 million +8.4%N/A5.6 $9.08 2/15/202321,240,000 shares $235.55 million -5.6%N/A5.3 $11.09 1/31/202322,490,000 shares $249.41 million -7.1%N/A5 $11.09 1/15/202324,200,000 shares $265.23 million -1.9%N/A4.9 $10.96 12/30/202224,670,000 shares $201.80 million +8.1%N/A5.1 $8.18 12/15/202222,820,000 shares $206.75 million +3.8%N/A4.4 $9.06 11/30/202221,990,000 shares $236.39 million -9.1%N/A3.9 $10.75 11/15/202224,190,000 shares $270.93 million +4.1%N/A4 $11.20 10/31/202223,240,000 shares $196.15 million -3.0%N/A3 $8.44 10/15/202223,950,000 shares $146.10 million -5.3%N/A3.1 $6.10 9/30/202225,290,000 shares $146.81 million -16.6%N/A3.3 $5.81 9/15/202230,310,000 shares $200.35 million +4.8%N/A3.8 $6.61 8/31/202228,930,000 shares $169.53 million -11.6%N/A3.6 $5.86 8/15/202232,720,000 shares $273.54 million -7.5%N/A3.9 $8.36 7/31/202235,360,000 shares $154.52 million -1.9%N/A5.1 $4.37 7/15/202236,030,000 shares $152.77 million -12.2%N/A5.1 $4.24 6/30/202241,020,000 shares $181.31 million +7.9%N/A5.7 $4.42 6/15/202238,010,000 shares $162.68 million +10.6%N/A5.3 $4.28 5/31/202234,370,000 shares $193.50 million +3.0%N/A5 $5.63 5/15/202233,370,000 shares $194.88 million +1.2%N/A5.2 $5.84 4/30/202232,960,000 shares $208.97 million +8.8%N/A5.5 $6.34 4/15/202230,290,000 shares $228.39 million -2.8%N/A5.2 $7.54 3/31/202231,170,000 shares $283.65 million +1.3%N/A5.6 $9.10 3/15/202230,760,000 shares $281.76 million +3.5%N/A6.3 $9.16 2/28/202229,710,000 shares $354.14 million +8.5%N/A6.6 $11.92 2/15/202227,390,000 shares $311.70 million +3.1%N/A6.3 $11.38 1/31/202226,580,000 shares $297.16 million +22.9%N/A7.1 $11.18 1/15/202221,630,000 shares $268.86 million +8.6%N/A6.9 $12.43 12/31/202119,910,000 shares $407.36 million -1.6%N/A7.8 $20.46 12/15/202120,230,000 shares $444.86 million +19.2%N/A9 $21.99 11/30/202116,970,000 shares $393.87 million -5.1%N/A8.5 $23.21 11/15/202117,890,000 shares $477.66 million +0.9%N/A9.6 $26.70 10/29/202117,730,000 shares $469.49 million +14.2%9.3%9.9 $26.48 10/15/202115,520,000 shares $378.53 million +9.3%8.2%8.5 $24.39 9/30/202114,200,000 shares $362.81 million +9.3%7.5%7.4 $25.55 9/15/202112,990,000 shares $359.04 million +2.4%6.8%6.6 $27.64 8/31/202112,690,000 shares $397.32 million +8.8%6.7%6.4 $31.31 8/13/202111,660,000 shares $343.62 million -2.1%6.1%5.7 $29.47 7/30/202111,910,000 shares $382.91 million -2.6%6.3%5.2 $32.15 7/15/202112,230,000 shares $330.21 million -10.5%6.5%5 $27.00 6/30/202113,660,000 shares $477.69 million -0.8%7.2%5.5 $34.97 6/15/202113,770,000 shares $385.84 million +0.8%7.3%5.2 $28.02 5/28/202113,660,000 shares $369.50 million -2.6%7.2%4.7 $27.05 5/14/202114,030,000 shares $312.87 million +3.1%N/A3.9 $22.30 4/30/202113,610,000 shares $455.66 million +15.9%N/A3.2 $33.48 4/15/202111,740,000 shares $382.14 million -8.9%N/A2.8 $32.55 3/31/202112,890,000 shares $386.06 million +12.4%N/A2.7 $29.95 3/15/202111,470,000 shares $388.72 million +28.9%N/A2.1 $33.89 2/26/20218,900,000 shares $277.46 million -8.3%N/A1.6 $31.18 2/12/20219,710,000 shares $496.67 million -25.3%N/A1.9 $51.15JD Vance Predicts: Wall Street vs. Trump & Your Money (Ad)Trump's back in the White House, but Wall Street is pissed. Here's the deal: Wall Street's about to purposely crash the bond market to sabotage Trump's comeback.Get your free guide NOW before it's too late. 1/29/202113,000,000 shares $445.64 million -1.2%N/A2.7 $34.28 1/15/202113,160,000 shares $496.40 million -15.7%N/A2.7 $37.72 12/31/202015,610,000 shares $411.32 million +30.7%N/A3.2 $26.35 12/15/202011,940,000 shares $249.55 million -12.8%N/A2.6 $20.90 11/30/202013,690,000 shares $211.24 million -5.1%N/A3.1 $15.43 11/15/202014,430,000 shares $241.56 million -3.7%N/A3.4 $16.74 10/30/202014,990,000 shares $200.27 million -14.0%N/A3.5 $13.36 10/15/202017,420,000 shares $243.18 million +0.2%N/A4.5 $13.96 9/30/202017,380,000 shares $171.54 million +0.9%N/A5.3 $9.87 9/15/202017,230,000 shares $126.12 million +3.8%N/A7 $7.32 8/31/202016,600,000 shares $109.56 million -4.8%N/A8.3 $6.60 8/14/202017,430,000 shares $100.22 million +0.1%12.3%9.9 $5.75 7/31/202017,410,000 shares $64.94 million -2.4%12.3%13.7 $3.73 7/15/202017,830,000 shares $74.35 million -0.1%12.6%14.2 $4.17 6/30/202017,850,000 shares $61.58 million +11.1%12.6%13.6 $3.45 6/15/202016,070,000 shares $59.46 million -1.2%11.4%11.2 $3.70 5/29/202016,270,000 shares $57.27 million -1.6%11.5%9.9 $3.52 5/15/202016,540,000 shares $57.56 million -7.6%11.7%8.5 $3.48 4/30/202017,890,000 shares $63.33 million -0.9%12.6%7.6 $3.54 4/15/202018,050,000 shares $50.54 million -1.6%13.0%7.9 $2.80 3/31/202018,350,000 shares $59.09 million -13.7%13.2%7.1 $3.22 3/13/202021,266,400 shares $61.67 million +19.1%15.3%7.7 $2.90 2/28/202017,860,000 shares $50.37 million +9.6%12.8%6.9 $2.82 2/14/202016,300,000 shares $60.47 million -5.3%11.7%7 $3.71 1/31/202017,210,000 shares $58.17 million -13.5%12.4%8.2 $3.38 1/15/202019,890,000 shares $82.34 million -2.4%14.3%9.2 $4.14 12/31/201920,380,000 shares $100.88 million +7.5%14.7%9.9 $4.95 PACB Short Interest - Frequently Asked Questions What is Pacific Biosciences of California's current short interest? Short interest is the volume of Pacific Biosciences of California shares that have been sold short but have not yet been closed out or covered. As of October 31st, investors have sold 50,410,000 shares of PACB short. Learn More on Pacific Biosciences of California's current short interest. What is a good short interest ratio for Pacific Biosciences of California? 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. PACB shares currently have a short interest ratio of 6.0. Learn More on Pacific Biosciences of California's short interest ratio. Which institutional investors are shorting Pacific Biosciences of California? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Pacific Biosciences of California: Jane Street Group LLC, Wolverine Trading LLC, and Walleye Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Pacific Biosciences of California's short interest increasing or decreasing? Pacific Biosciences of California saw a increase in short interest in the month of October. As of October 31st, there was short interest totaling 50,410,000 shares, an increase of 3.9% from the previous total of 48,540,000 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 Pacific Biosciences of California's short interest compare to its competitors? Here is how the short interest of companies compare to Pacific Biosciences of California: Harvard Bioscience, Inc. (0.91%), Thermo Fisher Scientific Inc. (0.77%), Agilent Technologies, Inc. (1.21%), Mettler-Toledo International Inc. (1.34%), Illumina, Inc. (4.24%), Waters Co. (3.63%), Bio-Techne Co. (2.00%), Charles River Laboratories International, Inc. (3.62%), Bio-Rad Laboratories, Inc. (3.40%), Bruker Co. (3.70%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Charter Communications, Inc. ($4.08 billion), AppLovin Co. ($3.18 billion), Paychex, Inc. ($2.64 billion), Nu Holdings Ltd. ($2.54 billion), International Paper ($2.46 billion), Cencora, Inc. ($2.27 billion), Moderna, Inc. ($1.87 billion), SoFi Technologies, Inc. ($1.81 billion), Lululemon Athletica Inc. ($1.75 billion), and Onsemi ($1.71 billion). View all of the most shorted stocks. What does it mean to sell short Pacific Biosciences of California stock? Short selling PACB is an investing strategy that aims to generate trading profit from Pacific Biosciences of California as its price is falling. 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 Pacific Biosciences of California? A short squeeze for Pacific Biosciences of California 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 PACB, which in turn drives the price of the stock up even further. How often is Pacific Biosciences of California'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 PACB, twice per month. The most recent reporting period available is October, 31 2024. More Short Interest Resources from MarketBeat Related Companies Harvard Bioscience Short Squeeze Thermo Fisher Scientific Short Squeeze Agilent Technologies Short Squeeze Mettler-Toledo International Short Squeeze Waters Short Squeeze Illumina Short Squeeze Bio-Techne Short Squeeze Charles River Laboratories International Short Squeeze Bio-Rad Laboratories Short Squeeze Bruker 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:PACB) was last updated on 11/21/2024 by MarketBeat.com Staff From Our PartnersMissed Nvidia? 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