Enpro (NPO) Short Interest Ratio & Short Volume $228.50 +0.31 (+0.14%) Closing price 03:59 PM EasternExtended Trading$228.34 -0.16 (-0.07%) As of 04:20 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 InterestSustainabilityTrendsBuy This Stock Enpro Short Interest DataEnpro (NPO) has a short interest of 448,200 shares. This marks a -6.23% decrease in short interest from the previous month. The short interest ratio (days to cover) is 3.7, indicating that it would take 3.7 days of the average trading volume of 133,323 shares to cover all short positions.Current Short Interest448,200 sharesPrevious Short Interest478,000 sharesChange Vs. Previous Month-6.23%Dollar Volume Sold Short$100.12 millionShort Interest Ratio3.7 Days to CoverLast Record DateSeptember 15, 2025Outstanding Shares21,054,000 sharesPercentage of Shares Shorted2.13%Today's Trading Volume272,270 sharesAverage Trading Volume133,323 sharesToday's Volume Vs. Average204% Short Selling Enpro? Sign up to receive the latest short interest report for Enpro 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 ChartNPO Short Interest Over TimeNPO Days to Cover Over TimeNPO Percentage of Float Shorted Over Time Enpro Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 9/15/2025448,200 shares $100.12 million -6.2%N/A3.7 $223.39 8/31/2025478,000 shares $104.49 million -0.3%2.3%3.8 $218.59 8/15/2025479,200 shares $106.77 million +15.8%N/A3.5 $222.80 7/31/2025413,800 shares $87.80 million -6.0%2.0%3 $212.18 7/15/2025440,400 shares $88.88 million -9.3%N/A3.1 $201.81 6/30/2025485,400 shares $93.02 million -19.5%2.3%3.3 $191.63 6/15/2025602,600 shares $113.22 million -20.8%2.9%4 $187.89 5/31/2025760,600 shares $140.93 million +85.3%3.7%5 $185.29 5/15/2025410,500 shares $74.44 million -10.1%2.0%2.9 $181.35 4/30/2025456,800 shares $68.29 million -6.6%N/A3.1 $149.50 Get the Latest News and Ratings for NPO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Enpro and its competitors with MarketBeat's FREE daily newsletter. 4/15/2025489,100 shares $72.07 million -16.4%2.4%3.5 $147.35 3/31/2025585,300 shares $94.61 million +0.5%2.8%4.5 $161.65 3/15/2025582,600 shares $102.40 million +23.6%2.8%5 $175.77 2/28/2025471,200 shares $85.57 million +7.6%2.3%4 $181.60 2/15/2025437,900 shares $84.40 million +14.2%2.1%3.7 $192.73 1/31/2025383,400 shares $71.19 million +6.7%N/A3.3 $185.67 1/15/2025359,300 shares $60.42 million -3.7%N/A3.1 $168.17 12/31/2024372,900 shares $64.31 million -12.4%N/A3.3 $172.45 12/15/2024425,500 shares $80.55 million +17.8%N/A3.8 $189.31 11/30/2024361,300 shares $68.32 million +30.4%N/A3.3 $189.10 11/15/2024277,100 shares $45.94 million -11.2%N/A2.9 $165.78 10/31/2024312,100 shares $45.44 million -7.6%N/A3.7 $145.61 10/15/2024337,600 shares $51.79 million -6.0%N/A4.1 $153.42 9/30/2024359,200 shares $58.26 million +1.1%N/A4.2 $162.18 9/15/2024355,300 shares $54.60 million -2.6%N/A4 $153.68 8/31/2024364,600 shares $58.64 million -0.6%N/A4 $160.83 8/15/2024366,900 shares $56.26 million -11.5%N/A3.8 $153.33 7/31/2024414,400 shares $70.84 million -0.5%N/A4 $170.94 7/15/2024416,300 shares $66.35 million +14.8%N/A4 $159.37 6/30/2024362,700 shares $52.80 million -5.7%N/A3.5 $145.57 6/15/2024384,600 shares $55.66 million +4.2%N/A3.7 $144.72 5/31/2024369,100 shares $56.49 million +0.8%N/A3.6 $153.06 5/15/2024366,300 shares $56.26 million -4.1%N/A3.6 $153.60 4/30/2024381,800 shares $57.32 million -2.5%N/A3.7 $150.13 4/15/2024391,500 shares $61.62 million +7.5%N/A4 $157.40 3/31/2024364,100 shares $61.45 million -11.8%N/A3.8 $168.77 3/15/2024412,600 shares $64.39 million +10.9%N/A4.5 $156.06 2/29/2024372,200 shares $58.00 million +13.9%N/A3.6 $155.82 2/15/2024326,700 shares $53.93 million +1.3%N/A3.3 $165.07 1/31/2024322,600 shares $48.10 million +16.6%N/A3.6 $149.10 1/15/2024276,700 shares $39.84 million -15.2%N/A3 $144.00 12/31/2023326,300 shares $51.14 million -1.6%N/A3.6 $156.74 12/15/2023331,700 shares $49.92 million -5.9%N/A3.8 $150.50 11/30/2023352,300 shares $45.25 million +26.1%N/A4.4 $128.43 11/15/2023279,400 shares $35.43 million +28.9%N/A3.8 $126.79 10/31/2023216,700 shares $24.12 million +6.4%N/A2.9 $111.29 10/15/2023203,700 shares $24.98 million -22.7%N/A2.7 $122.61 9/30/2023263,400 shares $31.92 million -5.2%N/A3.5 $121.19 9/15/2023277,700 shares $35.12 million -16.6%N/A3.3 $126.47 8/31/2023333,100 shares $45.43 million +10.0%N/A3.2 $136.38 8/15/2023302,700 shares $39.63 million +6.6%N/A2.5 $130.92 7/31/2023283,900 shares $39.38 million -24.7%N/A2.3 $138.71 7/15/2023377,000 shares $52.41 million +17.5%N/A2.9 $139.02 6/30/2023320,900 shares $42.85 million +5.1%N/A2.5 $133.53 6/15/2023305,200 shares $38.62 million +27.2%N/A2.4 $126.53 5/31/2023240,000 shares $24.26 million -27.8%N/A2.1 $101.08 5/15/2023332,200 shares $31.49 million -13.2%N/A2.9 $94.80 4/30/2023382,600 shares $36.07 million -10.6%N/A3.4 $94.27 4/15/2023427,800 shares $41.77 million -14.0%N/A4.1 $97.64 3/31/2023497,200 shares $51.65 million -1.2%N/A4.7 $103.89 3/15/2023503,100 shares $48.27 million -7.8%N/A4.6 $95.94 2/28/2023545,500 shares $58.64 million -5.1%N/A4.9 $107.50 2/15/2023574,800 shares $66.96 million +3.5%N/A5.6 $116.49 1/31/2023555,500 shares $67.25 million +16.8%N/A5.3 $121.07 1/15/2023475,800 shares $55.95 million +5.2%N/A4.1 $117.60 12/30/2022452,200 shares $49.15 million +18.2%N/A3.9 $108.69 12/15/2022382,600 shares $40.61 million +2.9%N/A3.3 $106.15 11/30/2022371,800 shares $44.17 million -17.5%N/A3.8 $118.80 11/15/2022450,600 shares $55.57 million +23.5%N/A4.7 $123.33 10/31/2022364,900 shares $38.86 million +21.9%N/A4.1 $106.50 10/15/2022299,300 shares $26.50 million +7.0%N/A4 $88.55 9/30/2022279,800 shares $23.78 million -5.6%N/A3.8 $84.98 9/15/2022296,300 shares $26.82 million +10.6%N/A3.4 $90.51 8/31/2022267,800 shares $24.25 million +0.4%N/A3 $90.56 8/15/2022266,800 shares $27.54 million -1.5%N/A3 $103.21 7/31/2022270,800 shares $25.31 million -5.6%N/A3 $93.48 7/15/2022286,700 shares $23.37 million -6.0%1.4%3.1 $81.50 6/30/2022304,900 shares $24.98 million -12.8%1.5%3.2 $81.93 6/15/2022349,500 shares $30.58 million -11.2%1.7%4 $87.50 5/31/2022393,400 shares $37.67 million +41.3%N/A4.7 $95.76 5/15/2022278,500 shares $26.76 million +11.1%N/A3 $96.10 4/30/2022250,700 shares $23.37 million -0.4%N/A2.5 $93.21 4/15/2022251,800 shares $24.66 million -6.3%N/A2.4 $97.93 3/31/2022268,800 shares $26.27 million -4.5%N/A2.3 $97.73 3/15/2022281,500 shares $29.14 million +2.9%N/A2.5 $103.51 2/28/2022273,700 shares $30.23 million +12.1%N/A2.3 $110.44 2/15/2022244,100 shares $26.46 million +2.7%1.2%2 $108.39 1/31/2022237,800 shares $24.97 million +25.6%1.2%2 $105.02 1/15/2022189,300 shares $22.06 million +0.1%0.9%1.6 $116.51 12/31/2021189,100 shares $20.81 million -6.3%0.9%1.8 $110.07 12/15/2021201,900 shares $21.87 million +55.1%1.0%2 $108.31 11/30/2021130,200 shares $13.28 million +9.2%0.6%1.4 $102.00 11/15/2021119,200 shares $13.02 million -42.5%0.6%1.4 $109.20 10/29/2021207,400 shares $18.60 million -16.8%1.0%2.6 $89.66 10/15/2021249,400 shares $21.80 million -7.6%1.2%3.4 $87.39 9/30/2021269,900 shares $23.51 million +24.3%1.3%3.7 $87.12 9/15/2021217,200 shares $18.02 million +23.1%1.1%2.8 $82.96 8/31/2021176,500 shares $15.09 million +32.9%0.9%2.3 $85.51 8/13/2021132,800 shares $11.72 million +0.5%0.7%1.7 $88.28 7/30/2021132,200 shares $12.31 million -19.2%0.7%1.7 $93.12 7/15/2021163,700 shares $15.13 million -22.7%0.8%2.1 $92.41 6/30/2021211,700 shares $20.57 million -12.6%1.0%2.7 $97.15 6/15/2021242,300 shares $23.77 million +21.1%1.2%3.1 $98.10 5/28/2021200,100 shares $18.41 million +2.9%1.0%2.5 $91.99 5/14/2021194,400 shares $18.31 million -15.3%1.0%2.2 $94.20 4/30/2021229,500 shares $19.96 million -17.0%1.1%2.4 $86.97 4/15/2021276,500 shares $24.06 million -3.3%1.4%2.9 $87.02 3/31/2021285,800 shares $24.50 million -2.7%1.4%2.9 $85.71 3/15/2021293,600 shares $27.60 million +36.4%1.5%2.9 $94.02 2/26/2021215,300 shares $17.22 million -3.8%1.1%2.3 $80.00 2/12/2021223,900 shares $16.63 million -12.2%1.1%2.6 $74.26 1/29/2021255,100 shares $18.85 million -10.7%1.3%3.1 $73.88 1/15/2021285,500 shares $23.47 million -18.1%1.4%3.4 $82.20 12/31/2020348,700 shares $26.25 million +22.0%1.7%4.4 $75.27 12/15/2020285,900 shares $20.82 million -5.6%1.4%3.4 $72.81 11/30/2020302,900 shares $21.90 million +4.5%1.5%3.6 $72.30 11/15/2020289,900 shares $19.47 million +22.4%1.4%3.3 $67.17 10/30/2020236,900 shares $14.01 million -0.6%1.2%2.6 $59.15 10/15/2020238,400 shares $13.96 million -14.2%1.2%2.5 $58.55 NPO Short Interest - Frequently Asked Questions What is Enpro's current short interest? Short interest is the volume of Enpro shares that have been sold short but have not yet been covered or closed out. As of September 15th, investors have sold 448,200 shares of NPO short. Learn More on Enpro's current short interest. What is a good short interest ratio for Enpro? 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. NPO shares currently have a short interest ratio of 4.0. Learn More on Enpro's short interest ratio. Which institutional investors are shorting Enpro? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Enpro: Scopus Asset Management L.P., and Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Enpro's short interest increasing or decreasing? Enpro saw a drop in short interest in the month of September. As of September 15th, there was short interest totaling 448,200 shares, a drop of 6.2% from the previous total of 478,000 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 Enpro's short interest compare to its competitors? Here is how the short interest of companies compare to Enpro: Franklin Electric Co., Inc. (1.90%), Innospec Inc. (1.37%), Lincoln Electric Holdings, Inc. (1.72%), Applied Industrial Technologies, Inc. (1.69%), Donaldson Company, Inc. (1.86%), Dover Corporation (1.85%), ITT Inc. (1.81%), Parker-Hannifin Corporation (1.23%), Terex Corporation (6.08%), Timken Company (The) (4.53%), 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 Enpro stock? Short selling NPO is an investing strategy that aims to generate trading profit from Enpro as its price is falling. NPO shares are trading down $0.69 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 Enpro? A short squeeze for Enpro 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 NPO, which in turn drives the price of the stock up even further. How often is Enpro'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 NPO, twice per month. The most recent reporting period available is September, 15 2025. More Short Interest Resources from MarketBeat Related Companies Franklin Electric Short Squeeze Innospec Short Squeeze Lincoln Electric Short Squeeze Applied Industrial Technologies Short Squeeze Donaldson Short Squeeze Dover Short Squeeze ITT Short Squeeze Parker-Hannifin Short Squeeze Terex Short Squeeze Timken Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:NPO) 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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