Impinj (PI) Short Interest Ratio & Short Volume $111.55 -0.10 (-0.09%) As of 10:34 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Impinj Short Interest DataImpinj (PI) has a short interest of 2.92 million shares, representing 11.50% of the float (the number of shares available for trading by the public). This marks a -16.09% decrease in short interest from the previous month. The short interest ratio (days to cover) is 4.7, indicating that it would take 4.7 days of the average trading volume of 596,986 shares to cover all short positions.Current Short Interest2,920,000 sharesPrevious Short Interest3,480,000 sharesChange Vs. Previous Month-16.09%Dollar Volume Sold Short$324.32 millionShort Interest Ratio4.7 Days to CoverLast Record DateJune 30, 2025Outstanding Shares28,983,000 sharesShort Percent of Float11.50%Today's Trading Volume24,405 sharesAverage Trading Volume596,986 sharesToday's Volume Vs. Average4% Short Selling Impinj? Sign up to receive the latest short interest report for Impinj and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartPI Short Interest Over TimePI Days to Cover Over TimePI Percentage of Float Shorted Over Time Impinj Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/30/20252,920,000 shares $324.32 million -16.1%11.5%4.7 $111.07 6/15/20253,480,000 shares $363.28 million -4.9%13.7%5.4 $104.39 5/31/20253,660,000 shares $418.37 million +0.8%26.2%5.4 $114.31 5/15/20253,630,000 shares $441.95 million +12.7%26.0%5.2 $121.75 4/30/20253,220,000 shares $296.66 million -0.9%N/A4.2 $92.13 4/15/20253,250,000 shares $215.74 million -10.5%23.2%4.2 $66.38 3/31/20253,630,000 shares $329.24 million +0.8%26.0%5 $90.70 3/15/20253,600,000 shares $325.22 million +2.3%25.7%5.5 $90.34 2/28/20253,520,000 shares $340.24 million -1.7%25.2%5.1 $96.66 2/15/20253,580,000 shares $371.68 million -20.3%25.6%5.5 $103.82 Get the Latest News and Ratings for PI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Impinj and its competitors with MarketBeat's FREE daily newsletter. 1/31/20254,490,000 shares $569.74 million +6.2%N/A6.7 $126.89 1/15/20254,230,000 shares $577.48 million +1.0%N/A6.9 $136.52 12/31/20244,190,000 shares $608.64 million +10.9%N/A7.7 $145.26 12/15/20243,780,000 shares $570.70 million +13.9%N/A6.9 $150.98 11/30/20243,320,000 shares $638.14 million +3.1%N/A5.5 $192.21 11/15/20243,220,000 shares $568.36 million +2.6%N/A5.6 $176.51 10/31/20243,140,000 shares $596.57 million -19.5%N/A5.8 $189.99 10/15/20243,900,000 shares $909.68 million +2.1%N/A7.2 $233.25 9/30/20243,820,000 shares $827.11 million +24.4%N/A7.3 $216.52 9/15/20243,070,000 shares $570.77 million +12.0%N/A6.2 $185.92 8/31/20242,740,000 shares $460.59 million -2.8%N/A6.8 $168.10 8/15/20242,820,000 shares $458.48 million +5.6%N/A6.7 $162.58 7/31/20242,670,000 shares $425.30 million +1.5%N/A5.7 $159.29 7/15/20242,630,000 shares $463.17 million -11.2%N/A5.2 $176.11 6/30/20242,960,000 shares $464.04 million -2.0%N/A6.5 $156.77 6/15/20243,020,000 shares $453 million -3.2%N/A6.7 $150.00 5/31/20243,120,000 shares $510.65 million -4.9%N/A6.8 $163.67 5/15/20243,280,000 shares $573.57 million -6.8%N/A7.6 $174.87 4/30/20243,520,000 shares $561.02 million +6.7%N/A7.7 $159.38 4/15/20243,300,000 shares $391.05 million -0.9%N/A9 $118.50 3/31/20243,330,000 shares $427.61 million +2.2%N/A8.6 $128.41 3/15/20243,260,000 shares $400.65 million -0.3%N/A8.3 $122.90 2/29/20243,270,000 shares $357.15 million +0.6%N/A8.1 $109.22 2/15/20243,250,000 shares $346.91 million -14.5%N/A8.1 $106.74 1/31/20243,800,000 shares $368.52 million -0.3%N/A9.6 $96.98 1/15/20243,810,000 shares $304.04 million -0.3%N/A8.3 $79.80 12/31/20233,820,000 shares $343.91 million -5.7%N/A8.7 $90.03 12/15/20234,050,000 shares $360.13 million +1.0%N/A8.9 $88.92 11/30/20234,010,000 shares $335.20 million +2.6%N/A8.4 $83.59 11/15/20233,910,000 shares $308.93 million +2.6%N/A7.4 $79.01Special gold investment soars 2,300% ... 5,090% ... 9,850% (Ad)In my 54 years as an investor, I’ve seen my share of gold bull markets. But nothing comes close to the rally right now. Over the past few weeks alone, the yellow metal surged as high as $3,500 — the highest level on record. So far this bull run playing out exactly as me and my analysts have predicted.Here’s exactly how we see this gold bull market play out. 10/31/20233,810,000 shares $246.16 million +20.6%N/A6.7 $64.61 10/15/20233,160,000 shares $166.50 million -0.9%N/A4.9 $52.69 9/30/20233,190,000 shares $175.55 million +4.3%N/A5 $55.03 9/15/20233,060,000 shares $195.56 million +9.3%N/A4.7 $63.91 8/31/20232,800,000 shares $186.40 million -1.8%N/A4 $66.57 8/15/20232,850,000 shares $174.68 million -10.4%N/A4.3 $61.29 7/31/20233,180,000 shares $211.85 million -3.9%N/A5 $66.62 7/15/20233,310,000 shares $286.32 million -8.1%N/A4.9 $86.50 6/30/20233,600,000 shares $322.74 million +4.7%N/A5.3 $89.65 6/15/20233,440,000 shares $333.51 million -7.0%N/A5.2 $96.95 5/31/20233,700,000 shares $378.66 million +20.5%N/A6.4 $102.34 5/15/20233,070,000 shares $290.88 million -11.3%N/A5.3 $94.75 4/30/20233,460,000 shares $305.90 million +4.2%N/A5.7 $88.41 4/15/20233,320,000 shares $456.37 million -7.3%N/A7.3 $137.46 3/31/20233,580,000 shares $485.16 million -0.6%N/A7.8 $135.52 3/15/20233,600,000 shares $453.82 million +11.8%N/A7.9 $126.06 2/28/20233,220,000 shares $427.04 million +5.9%N/A7 $132.62 2/15/20233,040,000 shares $406.45 million +4.8%N/A6.4 $133.70 1/31/20232,900,000 shares $376.36 million +23.4%N/A6 $129.78 1/15/20232,350,000 shares $289.54 million +3.5%N/A4.8 $123.21 12/30/20222,270,000 shares $247.84 million +8.6%N/A5.1 $109.18 12/15/20222,090,000 shares $228.17 million +10.6%N/A4.9 $109.17 11/30/20221,890,000 shares $241.07 million -9.1%N/A4.4 $127.55 11/15/20222,080,000 shares $238.49 million -4.2%N/A5.1 $114.66 10/31/20222,170,000 shares $248.75 million -2.7%N/A5.8 $114.63 10/15/20222,230,000 shares $169.17 million +0.9%N/A6.5 $75.86 9/30/20222,210,000 shares $176.87 million +7.8%N/A6.6 $80.03 9/15/20222,050,000 shares $189.63 million +7.3%N/A5.8 $92.50 8/31/20221,910,000 shares $170.52 million -7.3%N/A5.6 $89.28 8/15/20222,060,000 shares $200.27 million +1.0%N/A6.2 $97.22 7/31/20222,040,000 shares $173.44 million -13.9%N/A6.2 $85.02 7/15/20222,370,000 shares $159.98 million -15.4%N/A7.7 $67.50 6/30/20222,800,000 shares $164.28 million -1.8%N/A8.9 $58.67 6/15/20222,850,000 shares $143.36 million -13.9%N/A8.9 $50.30 5/31/20223,310,000 shares $154.94 million -5.4%N/A10.8 $46.81 5/15/20223,500,000 shares $164.89 million +70.7%N/A11.2 $47.11 4/30/20222,050,000 shares $100.98 million +6.8%N/A6.2 $49.26 4/15/20221,920,000 shares $97.67 million +7.3%8.2%5.9 $50.87 3/31/20221,790,000 shares $113.74 million -4.3%7.6%5.3 $63.54 3/15/20221,870,000 shares $108.48 million -13.8%7.9%5.7 $58.01 2/28/20222,170,000 shares $149.19 million +19.2%9.2%5.8 $68.75 2/15/20221,820,000 shares $131.75 million +6.4%7.7%5 $72.39 1/31/20221,710,000 shares $135.76 million -3.9%7.4%4.6 $79.39 1/15/20221,780,000 shares $161.30 million -1.7%7.7%4.4 $90.62 12/31/20211,810,000 shares $160.55 million +4.6%7.8%4.9 $88.70 12/15/20211,730,000 shares $152.91 million +33.1%7.4%4.9 $88.39 11/30/20211,300,000 shares $97.46 million +3.2%5.6%4.1 $74.97 11/15/20211,260,000 shares $100.22 million -21.7%5.4%4.3 $79.54 10/29/20211,610,000 shares $112.25 million -5.3%6.9%6.7 $69.72 10/15/20211,700,000 shares $89.40 million -15.4%7.4%9.1 $52.59Special gold investment soars 2,300% ... 5,090% ... 9,850% (Ad)In my 54 years as an investor, I’ve seen my share of gold bull markets. But nothing comes close to the rally right now. Over the past few weeks alone, the yellow metal surged as high as $3,500 — the highest level on record. So far this bull run playing out exactly as me and my analysts have predicted.Here’s exactly how we see this gold bull market play out. 9/30/20212,010,000 shares $114.83 million +1.0%8.7%10.8 $57.13 9/15/20211,990,000 shares $108.24 million -3.4%8.6%10.4 $54.39 8/31/20212,060,000 shares $120.08 million +1.5%8.9%11.3 $58.29 8/13/20212,030,000 shares $101.50 million +1.5%8.8%11.7 $50.00 7/30/20212,000,000 shares $92 million +2.6%8.7%10.7 $46.00 7/15/20211,950,000 shares $85.02 million +2.1%8.5%9.4 $43.60 6/30/20211,910,000 shares $98.54 million -6.8%8.4%9.1 $51.59 6/15/20212,050,000 shares $102.79 million -7.2%9.4%9.8 $50.14 5/28/20212,210,000 shares $115.03 million -15.3%10.2%10.4 $52.05 5/14/20212,610,000 shares $115.78 million +7.9%N/A11 $44.36 4/30/20212,420,000 shares $113.28 million -4.0%11.2%8.3 $46.81 4/15/20212,520,000 shares $138.47 million -11.6%12.0%8.3 $54.95 3/31/20212,850,000 shares $155.10 million -2.4%13.6%8.3 $54.42 3/15/20212,920,000 shares $174.41 million +1.7%13.9%8 $59.73 2/26/20212,870,000 shares $179.06 million -0.4%13.7%7.9 $62.39 2/12/20212,880,000 shares $201.14 million +19.5%13.7%7.8 $69.84 1/29/20212,410,000 shares $137.30 million -10.1%11.7%7.2 $56.97 1/15/20212,680,000 shares $152.17 million -3.3%13.0%8.7 $56.78 12/31/20202,770,000 shares $115.65 million +4.9%13.4%9.8 $41.75 12/15/20202,640,000 shares $108.37 million -7.4%12.8%10.5 $41.05 11/30/20202,850,000 shares $101.12 million -0.7%13.8%11.6 $35.48 11/15/20202,870,000 shares $98.56 million +3.2%13.9%12.9 $34.34 10/30/20202,780,000 shares $76.81 million -3.8%13.5%12.8 $27.63 10/15/20202,890,000 shares $86.15 million -1.4%14.2%9.5 $29.81 9/30/20202,930,000 shares $77.21 million -7.9%14.7%9 $26.35 9/15/20203,180,000 shares $87.26 million -3.3%15.9%9.6 $27.44 8/31/20203,290,000 shares $80.44 million -0.9%16.5%9.6 $24.45 8/14/20203,320,000 shares $81.74 million +20.7%16.6%9.2 $24.62 7/31/20202,750,000 shares $64.90 million -1.8%13.5%7.6 $23.60 PI Short Interest - Frequently Asked Questions What is Impinj's current short interest? Short interest is the volume of Impinj shares that have been sold short but have not yet been covered or closed out. As of June 30th, investors have sold 2,920,000 shares of PI short. 11.50% of Impinj's shares are currently sold short. Learn More on Impinj's current short interest. What is a good short interest ratio for Impinj? 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. PI shares currently have a short interest ratio of 5.0. Learn More on Impinj's short interest ratio. Which institutional investors are shorting Impinj? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Impinj: Garde Capital Inc., Quaker Wealth Management LLC, Cubist Systematic Strategies LLC, Caption Management LLC, PEAK6 LLC, Walleye Trading LLC, Walleye Capital LLC, Arrowpoint Investment Partners Singapore Pte. Ltd., Simplex Trading LLC, and Garde Capital Inc.. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Impinj? 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. 11.50% of Impinj's floating shares are currently sold short. Is Impinj's short interest increasing or decreasing? Impinj saw a decline in short interest in the month of June. As of June 30th, there was short interest totaling 2,920,000 shares, a decline of 16.1% from the previous total of 3,480,000 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 Impinj's short interest compare to its competitors? 11.50% of Impinj's shares are currently sold short. Here is how the short interest of companies in the industry of "electronic equipment" compare to Impinj: Leonardo DRS, Inc. (2.01%), Nextracker Inc. (5.46%), Qorvo, Inc. (6.75%), Universal Display Corporation (3.86%), Allegro MicroSystems, Inc. (10.57%), Lumentum Holdings Inc. (17.61%), Tower Semiconductor Ltd. (8.30%), SiTime Corporation (6.63%), LG Display Co., Ltd. (0.07%), Silicon Motion Technology Corporation (3.15%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($72.10 billion), Invesco QQQ ($26.89 billion), iShares Russell 2000 ETF ($19.61 billion), MicroStrategy Incorporated ($9.52 billion), iShares 20+ Year Treasury Bond ETF ($8.70 billion), WD-40 Company ($7.66 billion), Technology Select Sector SPDR Fund ($6.10 billion), Invesco S&P 500 Equal Weight ETF ($5.80 billion), Invesco S&P 500 Top 50 ETF ($5.53 billion), and Vanguard Large-Cap ETF ($5.35 billion). View all of the most shorted stocks. What does it mean to sell short Impinj stock? Short selling PI is an investing strategy that aims to generate trading profit from Impinj as its price is falling. PI shares are trading down $1.05 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 Impinj? A short squeeze for Impinj 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 PI, which in turn drives the price of the stock up even further. How often is Impinj'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 PI, twice per month. The most recent reporting period available is June, 30 2025. More Short Interest Resources from MarketBeat Related Companies Leonardo DRS Short Squeeze Nextracker Short Squeeze Qorvo Short Squeeze Universal Display Short Squeeze Allegro MicroSystems Short Squeeze Lumentum Short Squeeze Tower Semiconductor Short Squeeze SiTime Short Squeeze LG Display Short Squeeze Silicon Motion Technology 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:PI) was last updated on 7/16/2025 by MarketBeat.com Staff From Our PartnersMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | Sponsored3..2..1.. 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