This company has been marked as potentially delisted and may not be actively trading. Brooks Automation (BRKS) Short Interest Ratio & Short Volume Add Compare Share Share Short Interest Stock AnalysisBuy This Stock Brooks Automation Short Interest DataBrooks Automation (BRKS) has a short interest of 1.79 million shares, representing 2.46% of the float (the number of shares available for trading by the public). This marks a 16.23% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.0, indicating that it would take 3.0 days of the average trading volume of 777,497 shares to cover all short positions.Current Short Interest1,790,000 sharesPrevious Short Interest1,540,000 sharesChange Vs. Previous Month+16.23%Dollar Volume Sold Short$204.79 millionShort Interest Ratio3.0 Days to CoverLast Record DateNovember 15, 2021Outstanding Shares74,347,000 sharesFloat Size72,760,000 sharesShort Percent of Float2.46%Today's Trading Volume1,022,700 sharesAverage Trading Volume777,497 sharesToday's Volume Vs. Average132% Short Selling Brooks Automation? Sign up to receive the latest short interest report for Brooks Automation and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartBRKS Short Interest Over TimeBRKS Days to Cover Over TimeBRKS Percentage of Float Shorted Over Time Brooks Automation Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 11/15/20211,790,000 shares $204.79 million +16.2%2.5%3 $114.41 10/29/20211,540,000 shares $179.33 million +20.3%2.1%2.7 $116.45 10/15/20211,280,000 shares $132.42 million -15.8%1.8%2.2 $103.45 9/30/20211,520,000 shares $155.57 million No Change2.1%2.5 $102.35 9/15/20211,520,000 shares $140.65 million +22.6%2.1%2 $92.53 8/31/20211,240,000 shares $105.35 million -21.0%1.7%1.6 $84.96 8/13/20211,570,000 shares $129.78 million -0.6%2.2%2 $82.66 7/30/20211,580,000 shares $140.64 million -0.6%2.2%1.9 $89.01 7/15/20211,590,000 shares $138.00 million -3.1%2.2%1.8 $86.79 6/30/20211,640,000 shares $156.26 million -36.4%2.3%1.8 $95.28 Get the Latest News and Ratings for BRKS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Brooks Automation and its competitors with MarketBeat's FREE daily newsletter. 6/15/20212,580,000 shares $255.86 million -2.6%3.5%3.2 $99.17 5/28/20212,650,000 shares $270.54 million +6.4%3.6%3.4 $102.09 5/14/20212,490,000 shares $223.05 million +4.2%N/A3.1 $89.58 4/30/20212,390,000 shares $246.41 million +14.9%N/A3.2 $103.10 4/15/20212,080,000 shares $200.30 million +7.2%N/A2.9 $96.30 3/31/20211,940,000 shares $154.19 million -13.0%N/A2.7 $79.48 3/15/20212,230,000 shares $187.52 million +2.8%N/A2.5 $84.09 2/26/20212,170,000 shares $173.32 million -6.9%N/A2.5 $79.87 2/12/20212,330,000 shares $205.67 million +6.4%N/A2.7 $88.27 1/29/20212,190,000 shares $170.89 million -5.2%N/A2.5 $78.03 1/15/20212,310,000 shares $184.08 million -1.3%N/A2.8 $79.69 12/31/20202,340,000 shares $172.50 million -7.5%N/A3 $73.72 12/15/20202,530,000 shares $189.93 million -1.9%N/A5.3 $75.07 11/30/20202,580,000 shares $188.42 million -9.8%N/A5.3 $73.03 11/15/20202,860,000 shares $195.88 million +3.6%4.0%6.4 $68.49 10/30/20202,760,000 shares $133.50 million -5.2%N/A7.2 $48.37 10/15/20202,910,000 shares $149.11 million -3.6%N/A7.2 $51.24 9/30/20203,020,000 shares $139.71 million +5.6%N/A7.2 $46.26 9/15/20202,860,000 shares $127.81 million -1.4%N/A6.3 $44.69 8/31/20202,900,000 shares $149.73 million -3.7%4.0%6.4 $51.63 8/14/20203,010,000 shares $165.22 million -10.7%4.2%6.5 $54.89 7/31/20203,370,000 shares $183.50 million -7.2%4.7%6.8 $54.45 7/15/20203,630,000 shares $164.91 million -5.5%5.0%6.9 $45.43 6/30/20203,840,000 shares $164.70 million +18.5%5.3%6.7 $42.89 6/15/20203,240,000 shares $131.03 million -3.0%4.5%5 $40.44 5/29/20203,340,000 shares $133.50 million -6.2%4.6%4.9 $39.97 5/15/20203,560,000 shares $133.64 million -11.0%5.0%5.3 $37.54 BRKS Short Interest - Frequently Asked Questions What is Brooks Automation's current short interest? Short interest is the volume of Brooks Automation shares that have been sold short but have not yet been covered or closed out. As of November 15th, investors have sold 1,790,000 shares of BRKS short. 2.46% of Brooks Automation's shares are currently sold short. Learn More on Brooks Automation's current short interest. What is a good short interest ratio for Brooks Automation? 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. BRKS shares currently have a short interest ratio of 3.0. Learn More on Brooks Automation's short interest ratio. What is a good short interest percentage for Brooks Automation? 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. 2.46% of Brooks Automation's floating shares are currently sold short. Is Brooks Automation's short interest increasing or decreasing? Brooks Automation saw a increase in short interest in November. As of November 15th, there was short interest totaling 1,790,000 shares, an increase of 16.2% from the previous total of 1,540,000 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. What is Brooks Automation's float size? Brooks Automation currently has issued a total of 74,347,000 shares. Some of Brooks Automation'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. Brooks Automation currently has a public float of 72,760,000 shares. How does Brooks Automation's short interest compare to its competitors? 2.46% of Brooks Automation's shares are currently sold short. Here is how the short interest of companies in the sector of "computer and technology" compare to Brooks Automation: Entegris, Inc. (7.75%), Onto Innovation Inc. (4.27%), MKS Instruments, Inc. (6.42%), Amkor Technology, Inc. (5.72%), Advanced Energy Industries, Inc. (7.04%), FormFactor, Inc. (4.59%), Axcelis Technologies, Inc. (16.78%), Photronics, Inc. (5.48%), Veeco Instruments Inc. (8.29%), Ultra Clean Holdings, Inc. (3.01%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Advanced Micro Devices, Inc. ($11.06 billion), S&P Global Inc. ($8.74 billion), Charter Communications, Inc. ($5.66 billion), Canadian Pacific Kansas City Limited ($5.43 billion), Wayfair Inc. ($4.23 billion), Palo Alto Networks, Inc. ($3.46 billion), DoorDash, Inc. ($3.41 billion), Teladoc Health, Inc. ($2.84 billion), Etsy, Inc. ($2.76 billion), and Zscaler, Inc. ($2.62 billion). View all of the most shorted stocks. What does it mean to sell short Brooks Automation stock? Short selling BRKS is an investing strategy that aims to generate trading profit from Brooks Automation 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 Brooks Automation? A short squeeze for Brooks Automation 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 BRKS, which in turn drives the price of the stock up even further. How often is Brooks Automation'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 BRKS, twice per month. The most recent reporting period available is November, 15 2021. More Short Interest Resources from MarketBeat Related Companies ENTG Short Interest ONTO Short Interest MKSI Short Interest AMKR Short Interest AEIS Short Interest FORM Short Interest ACLS Short Interest PLAB Short Interest VECO Short Interest UCTT Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:BRKS) was last updated on 5/12/2025 by MarketBeat.com Staff From Our PartnersThe one deadline Elon can't afford to miss...For years, Elon Musk made headlines for blowing past deadlines — so often that investors coined a nickname for...Brownstone Research | SponsoredThink NVDA’s run was epic? You ain’t seen nothin’ yetAsk most investors and they’ll probably tell you Nvidia is the undisputed AI stock of the decade. In 2023, ...Timothy Sykes | SponsoredVanishing BenefitsWhat would you do if your next Social Security check simply never arrived? 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