West Pharmaceutical Services (WST) Short Interest Ratio & Short Volume $210.72 +7.07 (+3.47%) Closing price 02/21/2025 03:59 PM EasternExtended Trading$208.14 -2.58 (-1.22%) As of 02/21/2025 07:22 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends West Pharmaceutical Services Short Interest DataWest Pharmaceutical Services (WST) has a short interest of 1.34 million shares, representing 1.87% of the float (the number of shares available for trading by the public). This marks a -10.67% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.7, indicating that it would take 2.7 days of the average trading volume of 1.17 million shares to cover all short positions.Current Short Interest1,340,000 sharesPrevious Short Interest1,500,000 sharesChange Vs. Previous Month-10.67%Dollar Volume Sold Short$458.12 millionShort Interest Ratio2.7 Days to CoverLast Record DateJanuary 31, 2025Outstanding Shares72,300,000 sharesFloat Size71,770,000 sharesShort Percent of Float1.87%Today's Trading Volume1,882,015 sharesAverage Trading Volume1,170,810 sharesToday's Volume Vs. Average161% Short Selling West Pharmaceutical Services? Sign up to receive the latest short interest report for West Pharmaceutical Services and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartWST Short Interest Over TimeWST Days to Cover Over TimeWST Percentage of Float Shorted Over Time West Pharmaceutical Services Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 1/31/20251,340,000 shares $458.12 million -10.7%1.9%2.7 $341.88 1/15/20251,500,000 shares $493.70 million No Change2.1%2.6 $329.13 12/31/20241,500,000 shares $491.34 million +29.3%2.1%2.4 $327.56 12/15/20241,160,000 shares $382.86 million No Change1.6%1.8 $330.05 11/30/20241,160,000 shares $377.79 million -10.8%1.6%2 $325.68 11/15/20241,300,000 shares $408.82 million -9.1%1.8%2.2 $314.48 10/31/20241,430,000 shares $440.30 million -7.1%2.0%2.6 $307.90 10/15/20241,540,000 shares $448.05 million +6.9%2.1%2.6 $290.94 9/30/20241,440,000 shares $432.23 million -7.7%2.0%2.6 $300.16 9/15/20241,560,000 shares $469.05 million +2.0%2.2%2.8 $300.67 Get the Latest News and Ratings for WST and Related StocksEnter your email address below to receive the latest news and analysts' ratings for West Pharmaceutical Services and its competitors with MarketBeat's FREE daily newsletter. 8/31/20241,530,000 shares $479.85 million +21.4%2.1%2.5 $313.63 8/15/20241,260,000 shares $368.68 million +6.8%1.8%2 $292.60 7/31/20241,180,000 shares $361.28 million -4.8%1.6%1.8 $306.17 7/15/20241,240,000 shares $396.97 million +0.8%1.7%2.2 $320.14 6/30/20241,230,000 shares $405.15 million +0.8%1.7%2.3 $329.39 6/15/20241,220,000 shares $406.57 million -4.7%1.7%2.4 $333.25 5/31/20241,280,000 shares $424.20 million +12.3%1.8%2.6 $331.41 5/15/20241,140,000 shares $400.66 million +9.6%1.6%2.4 $351.46 4/30/20241,040,000 shares $371.70 million +6.6%1.4%2 $357.40 4/15/2024975,900 shares $369.68 million -13.6%1.3%1.8 $378.81 3/31/20241,130,000 shares $447.15 million -6.6%1.6%2.1 $395.71 3/15/20241,210,000 shares $469.02 million +0.8%1.7%2.3 $387.62 2/29/20241,200,000 shares $430.03 million +17.7%1.7%2.3 $358.36 2/15/20241,020,000 shares $357.71 million -12.1%1.4%2 $350.70 1/31/20241,160,000 shares $432.71 million +8.4%1.6%2.6 $373.03 1/15/20241,070,000 shares $371.04 million -8.6%1.5%2.5 $346.77 12/31/20231,170,000 shares $411.98 million -1.7%1.6%2.7 $352.12 12/15/20231,190,000 shares $426.26 million No Change1.6%2.9 $358.20 11/30/20231,190,000 shares $417.33 million -7.0%1.6%3.1 $350.70 11/15/20231,280,000 shares $442.85 million +35.9%1.7%3.5 $345.98 10/31/2023942,000 shares $299.83 million -13.6%1.3%2.7 $318.29 10/15/20231,090,000 shares $419.72 million +27.1%1.5%3.2 $385.06 9/30/2023857,300 shares $321.67 million -3.2%1.2%2.6 $375.21 9/15/2023885,200 shares $348.93 million -3.5%1.2%2.6 $394.18 8/31/2023916,900 shares $373.09 million +7.8%1.3%2.6 $406.90 8/15/2023850,900 shares $342.17 million +37.9%1.2%2.2 $402.13 7/31/2023617,100 shares $227.12 million -15.7%0.8%1.6 $368.04 7/15/2023731,700 shares $281.80 million -14.8%1.0%1.9 $385.13 6/30/2023858,300 shares $328.27 million -13.6%1.2%2.1 $382.47 6/15/2023993,500 shares $357.46 million +15.8%1.4%2.4 $359.80Collect $7k per month from Tesla’s SECRET dividend (Ad)There's a little-known secret about Tesla that even seasoned investors don't know. 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Want to see how it works?Click here to uncover Tesla's hidden income secret. 5/31/2023858,300 shares $287.21 million -0.6%1.2%2 $334.63 5/15/2023863,800 shares $306.80 million -27.4%1.2%1.9 $355.18 4/30/20231,190,000 shares $429.88 million -11.9%1.6%2.2 $361.24 4/15/20231,350,000 shares $491.31 million +0.8%1.8%2.5 $363.93 3/31/20231,340,000 shares $464.27 million -14.7%1.8%2.3 $346.47 3/15/20231,570,000 shares $511.18 million +2.0%2.1%2.7 $325.59 2/28/20231,540,000 shares $488.23 million -7.8%2.1%2.5 $317.03 2/15/20231,670,000 shares $466.23 million +24.6%2.3%2.7 $279.18 1/31/20231,340,000 shares $355.90 million +5.5%1.8%2.1 $265.60 1/15/20231,270,000 shares $318.39 million -7.3%1.7%1.7 $250.70 12/30/20221,370,000 shares $322.43 million +18.1%1.9%1.8 $235.35 12/15/20221,160,000 shares $275.01 million -19.4%1.6%1.5 $237.08 11/30/20221,440,000 shares $337.91 million +44.9%2.0%2 $234.66 11/15/2022993,800 shares $246.15 million +18.1%1.4%1.5 $247.69 10/31/2022841,400 shares $193.61 million +1.7%1.1%1.5 $230.10 10/15/2022827,400 shares $204.81 million -11.5%1.1%1.8 $247.53 9/30/2022934,600 shares $229.99 million +12.0%1.3%2.3 $246.08 9/15/2022834,700 shares $228.48 million +17.2%1.1%2.1 $273.73 8/31/2022712,200 shares $211.30 million -17.2%1.0%1.8 $296.69 8/15/2022860,500 shares $293.28 million -5.7%1.2%2.1 $340.82 7/31/2022912,100 shares $313.36 million -5.1%1.2%2.1 $343.56 7/15/2022960,800 shares $288.66 million +6.0%1.3%2.1 $300.44 6/30/2022906,800 shares $274.19 million +19.2%1.2%2 $302.37 6/15/2022761,000 shares $220.61 million +4.5%1.0%1.7 $289.89 5/31/2022728,100 shares $225.99 million -14.4%1.0%1.7 $310.38 5/15/2022850,700 shares $259.44 million -13.5%1.2%2 $304.97 4/30/2022983,400 shares $309.83 million -14.5%1.3%2.3 $315.06 4/15/20221,150,000 shares $438.40 million -4.2%1.6%2.7 $381.22 3/31/20221,200,000 shares $492.85 million -3.2%1.6%2.8 $410.71 3/15/20221,240,000 shares $477.93 million +20.4%1.7%2.9 $385.43 2/28/20221,030,000 shares $398.69 million No Change1.4%2.4 $387.08 2/15/20221,030,000 shares $396.93 million -13.5%1.4%2.4 $385.37 1/31/20221,190,000 shares $467.93 million +64.5%1.6%2.9 $393.22 1/15/2022723,600 shares $274.81 million -19.2%1.0%1.7 $379.78 12/31/2021895,900 shares $420.19 million -16.3%1.2%2.4 $469.01 12/15/20211,070,000 shares $474.57 million -4.5%1.5%2.8 $443.52 11/30/20211,120,000 shares $495.78 million -9.7%1.5%3 $442.66 11/15/20211,240,000 shares $523.85 million +36.1%1.7%3.5 $422.46 10/29/2021911,300 shares $391.75 million -7.9%1.2%2.6 $429.88 10/15/2021989,500 shares $400.56 million +13.1%1.4%3 $404.81 9/30/2021874,800 shares $371.39 million +11.1%1.2%2.7 $424.54 9/15/2021787,300 shares $356.25 million -13.8%1.1%2.4 $452.49 8/31/2021913,500 shares $412.55 million -13.8%1.2%2.8 $451.62 8/13/20211,060,000 shares $460.34 million +8.9%1.4%3.1 $434.28 7/30/2021973,000 shares $400.61 million +0.6%1.3%2.6 $411.73 7/15/2021967,000 shares $359.69 million -13.7%1.3%2.6 $371.96 6/30/20211,120,000 shares $402.19 million -0.9%1.5%2.9 $359.10 6/15/20211,130,000 shares $389.67 million +11.9%1.5%2.9 $344.84 5/28/20211,010,000 shares $350.99 million -1.0%1.4%2.5 $347.51 5/14/20211,020,000 shares $334.87 million +18.2%1.4%2.5 $328.30Collect $7k per month from Tesla’s SECRET dividend (Ad)There's a little-known secret about Tesla that even seasoned investors don't know. 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Want to see how it works?Click here to uncover Tesla's hidden income secret. 4/30/2021862,900 shares $280.05 million +28.4%1.2%2 $324.55 4/15/2021672,300 shares $201.73 million -2.9%0.9%1.5 $300.06 3/31/2021692,500 shares $192.75 million +7.6%0.9%1.5 $278.34 3/15/2021643,800 shares $176.48 million +6.9%0.9%1.3 $274.12 2/26/2021602,000 shares $167.16 million -9.9%0.8%1.2 $277.68 2/12/2021668,400 shares $194.56 million -21.0%0.9%1.4 $291.09 1/29/2021845,500 shares $252.74 million +20.9%1.2%1.8 $298.92 1/15/2021699,100 shares $208.84 million +6.2%1.0%1.6 $298.72 12/31/2020658,400 shares $184.31 million +11.6%0.9%1.6 $279.94 12/15/2020590,000 shares $156.30 million +7.6%0.8%1.4 $264.92 11/30/2020548,600 shares $152.49 million -8.3%0.8%1.2 $277.96 10/30/2020626,900 shares $172.54 million -17.3%0.9%1.4 $275.23 10/15/2020758,000 shares $218.42 million +10.9%1.0%1.6 $288.15 9/30/2020683,600 shares $187.92 million -3.6%0.9%1.3 $274.90 9/15/2020709,100 shares $201.65 million -4.6%1.0%1.3 $284.38 8/31/2020743,600 shares $211.15 million +0.9%1.0%1.3 $283.96 8/14/2020736,700 shares $200.73 million +5.5%1.0%1.2 $272.47 7/31/2020698,100 shares $187.70 million -9.2%1.0%0.8 $268.87 7/15/2020768,700 shares $179.32 million -16.0%1.1%0.9 $233.28 6/30/2020915,500 shares $207.97 million +0.2%1.3%1.1 $227.17 6/15/2020914,100 shares $191.39 million +30.3%1.3%1.1 $209.37 5/29/2020701,500 shares $151.55 million -3.4%1.0%0.8 $216.04 5/15/2020725,900 shares $152.69 million -8.2%1.0%0.9 $210.35 4/30/2020791,000 shares $149.97 million +2.3%1.1%1.5 $189.60 4/15/2020773,400 shares $127.62 million -2.0%1.1%1.5 $165.01 3/31/2020789,400 shares $120.19 million -27.3%1.1%1.5 $152.25 3/13/20201,086,300 shares $176.99 million +8.6%1.5%2.7 $162.93 2/28/20201,000,000 shares $128.96 million -2.0%1.4%2.5 $128.96 WST Short Interest - Frequently Asked Questions What is West Pharmaceutical Services' current short interest? Short interest is the volume of West Pharmaceutical Services shares that have been sold short but have not yet been closed out or covered. As of January 31st, traders have sold 1,340,000 shares of WST short. 1.87% of West Pharmaceutical Services' shares are currently sold short. Learn More on West Pharmaceutical Services' current short interest. What is a good short interest ratio for West Pharmaceutical Services? 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. WST shares currently have a short interest ratio of 3.0. Learn More on West Pharmaceutical Services's short interest ratio. Which institutional investors are shorting West Pharmaceutical Services? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of West Pharmaceutical Services: Arrowpoint Investment Partners Singapore Pte. Ltd., Wolverine Trading LLC, Group One Trading LLC, Cubist Systematic Strategies LLC, Citadel Advisors LLC, Capstone Investment Advisors LLC, Jane Street Group LLC, Parallax Volatility Advisers L.P., Susquehanna International Group LLP, Concourse Financial Group Securities Inc., Walleye Trading LLC, Walleye Capital LLC, Barclays PLC, JPMorgan Chase & Co., Simplex Trading LLC, Garda Capital Partners LP, Wealth Enhancement Advisory Services LLC, and JPMorgan Chase & Co.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for West Pharmaceutical Services? 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. 1.87% of West Pharmaceutical Services' floating shares are currently sold short. Is West Pharmaceutical Services' short interest increasing or decreasing? West Pharmaceutical Services saw a drop in short interest in January. As of January 31st, there was short interest totaling 1,340,000 shares, a drop of 10.7% from the previous total of 1,500,000 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 West Pharmaceutical Services' float size? West Pharmaceutical Services currently has issued a total of 72,304,000 shares. Some of West Pharmaceutical Services' 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. West Pharmaceutical Services currently has a public float of 71,770,000 shares. How does West Pharmaceutical Services' short interest compare to its competitors? 1.87% of West Pharmaceutical Services' shares are currently sold short. Here is how the short interest of companies compare to West Pharmaceutical Services: The Cooper Companies, Inc. (1.44%), Align Technology, Inc. (3.24%), Merit Medical Systems, Inc. (5.04%), ICU Medical, Inc. (3.24%), DENTSPLY SIRONA Inc. (4.11%), Haemonetics Co. (10.60%), QuidelOrtho Co. (5.07%), Neogen Co. (9.26%), STAAR Surgical (8.00%), Cerus Co. (4.63%), 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 Co. ($5.21 billion), Charter Communications, Inc. ($4.07 billion), Reddit, Inc. ($3.33 billion), The Kroger Co. ($2.67 billion), Cencora, Inc. ($2.29 billion), Hims & Hers Health, Inc. ($2.17 billion), SoFi Technologies, Inc. ($1.99 billion), Live Nation Entertainment, Inc. ($1.87 billion), Rivian Automotive, Inc. ($1.76 billion), and Moderna, Inc. ($1.60 billion). View all of the most shorted stocks. What does it mean to sell short West Pharmaceutical Services stock? Short selling WST is an investing strategy that aims to generate trading profit from West Pharmaceutical Services as its price is falling. WST shares are trading up $7.07 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 West Pharmaceutical Services? A short squeeze for West Pharmaceutical Services 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 WST, which in turn drives the price of the stock up even further. How often is West Pharmaceutical Services' 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 WST, twice per month. The most recent reporting period available is January, 31 2025. More Short Interest Resources from MarketBeat Related Companies COO Short Interest ALGN Short Interest MMSI Short Interest ICUI Short Interest XRAY Short Interest HAE Short Interest QDEL Short Interest NEOG Short Interest STAA Short Interest CERS Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:WST) was last updated on 2/22/2025 by MarketBeat.com Staff From Our PartnersSecret financial plot unfolding in Washington DC… [DEVELOPING]What stocks are next up to soar in 2025? I believe I’ve found the answer - and it might surprise you. 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