Kiniksa Pharmaceuticals International (KNSA) Short Interest Ratio & Short Volume $33.07 +0.12 (+0.36%) Closing price 08/5/2025 04:00 PM EasternExtended Trading$35.62 +2.55 (+7.70%) As of 04:05 AM 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 ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Kiniksa Pharmaceuticals International Short Interest DataKiniksa Pharmaceuticals International (KNSA) has a short interest of 2.53 million shares. This marks a 22.22% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.3, indicating that it would take 3.3 days of the average trading volume of 671,315 shares to cover all short positions.Current Short Interest2,530,000 sharesPrevious Short Interest2,070,000 sharesChange Vs. Previous Month+22.22%Dollar Volume Sold Short$71.07 millionShort Interest Ratio3.3 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares72,970,000 sharesPercentage of Shares Shorted3.47%Today's Trading Volume1,280,160 sharesAverage Trading Volume671,315 sharesToday's Volume Vs. Average191% Short Selling Kiniksa Pharmaceuticals International? Sign up to receive the latest short interest report for Kiniksa Pharmaceuticals International and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartKNSA Short Interest Over TimeKNSA Days to Cover Over TimeKNSA Percentage of Float Shorted Over Time Kiniksa Pharmaceuticals International Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/15/20252,530,000 shares $71.07 million +22.2%N/A3.3 $28.09 6/30/20252,070,000 shares $57.28 million -12.3%6.1%2.6 $27.67 6/15/20252,360,000 shares $66.79 million -13.2%7.0%3.6 $28.30 5/31/20252,720,000 shares $74.61 million -17.8%8.3%4.4 $27.43 5/15/20253,310,000 shares $85.63 million -0.6%10.1%5.1 $25.87 4/30/20253,330,000 shares $89.81 million +0.3%N/A5.1 $26.97 4/15/20253,320,000 shares $70.45 million +6.1%10.1%5.3 $21.22 3/31/20253,130,000 shares $69.52 million +2.0%9.5%5.1 $22.21 3/15/20253,070,000 shares $69.41 million +2.3%9.4%5.3 $22.61 2/28/20253,000,000 shares $60.84 million +1.4%9.1%5.4 $20.28 Get the Latest News and Ratings for KNSA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Kiniksa Pharmaceuticals International and its competitors with MarketBeat's FREE daily newsletter. 2/15/20252,960,000 shares $58.43 million +53.4%9.0%6.4 $19.74 1/31/20251,930,000 shares $37.83 million -8.5%N/A4.4 $19.60 1/15/20252,110,000 shares $39.71 million -37.8%N/A5.4 $18.82 12/31/20243,390,000 shares $67.05 million +4.0%N/A10.1 $19.78 12/15/20243,260,000 shares $65.85 million -18.9%N/A10.5 $20.20 11/30/20244,020,000 shares $88.76 million -2.2%N/A11.2 $22.08 11/15/20244,110,000 shares $87.50 million -2.4%N/A11.4 $21.29 10/31/20244,210,000 shares $95.10 million +5.0%N/A11.4 $22.59 10/15/20244,010,000 shares $108.51 million -2.0%N/A10.6 $27.06 9/30/20244,090,000 shares $102.21 million -11.9%N/A8.7 $24.99 9/15/20244,640,000 shares $117.21 million +2.0%N/A9.2 $25.26 8/31/20244,550,000 shares $121.67 million -3.4%N/A9.8 $26.74 8/15/20244,710,000 shares $123.26 million +4.4%N/A10 $26.17 7/31/20244,510,000 shares $119.97 million +14.5%N/A9.7 $26.60 7/15/20243,940,000 shares $85.14 million -13.6%N/A8.6 $21.61 6/30/20244,560,000 shares $85.14 million -2.2%N/A11.9 $18.67 6/15/20244,660,000 shares $87.47 million +13.1%N/A13.2 $18.77 5/31/20244,120,000 shares $78.32 million +3.3%N/A11.7 $19.01 5/15/20243,990,000 shares $80.20 million +2.1%N/A10.5 $20.10 4/30/20243,910,000 shares $73.20 million +7.4%N/A10.1 $18.72 4/15/20243,640,000 shares $63.48 million +13.4%N/A9.9 $17.44 3/31/20243,210,000 shares $63.33 million +11.9%N/A8.5 $19.73 3/15/20242,870,000 shares $57.37 million +3.2%N/A6.9 $19.99 2/29/20242,780,000 shares $58.77 million +3.0%N/A6.2 $21.14 2/15/20242,700,000 shares $54.46 million -2.2%N/A6.3 $20.17 1/31/20242,760,000 shares $48.66 million +5.8%N/A6.2 $17.63 1/15/20242,610,000 shares $49.25 million -9.1%N/A5.4 $18.87 12/31/20232,870,000 shares $50.34 million -12.5%N/A6.1 $17.54 12/15/20233,280,000 shares $59.01 million -4.4%N/A8 $17.99 11/30/20233,430,000 shares $55.46 million +0.6%N/A9.5 $16.17Crypto bros: Meet your replacement (Ad)Larry Benedict made $274 million trading on Wall Street… Barron’s ranked his hedge fund in the top 1% worldwide. Now he’s applying the same expertise to the Bitcoin market. His system tracks 19 indicators to find quick Bitcoin profit opportunities.Now he’s revealing the entire thing… FREE. 11/15/20233,410,000 shares $53.64 million +6.2%N/A10.3 $15.73 10/31/20233,210,000 shares $48.95 million -17.7%N/A9.5 $15.25 10/15/20233,900,000 shares $63.61 million +0.8%N/A8.8 $16.31 9/30/20233,870,000 shares $67.22 million +1.3%N/A8.2 $17.37 9/15/20233,820,000 shares $65.47 million -0.8%N/A8 $17.14 8/31/20233,850,000 shares $66.34 million -1.5%N/A7.5 $17.23 8/15/20233,910,000 shares $64.91 million +13.7%N/A7.3 $16.60 7/31/20233,440,000 shares $64.81 million +30.8%N/A6.4 $18.84 7/15/20232,630,000 shares $38.21 million -1.1%N/A5.3 $14.53 6/30/20232,660,000 shares $37.45 million -2.9%N/A6.6 $14.08 6/15/20232,740,000 shares $44.83 million +3.4%N/A6.7 $16.36 5/31/20232,650,000 shares $36.73 million -4.7%N/A6.3 $13.86 5/15/20232,780,000 shares $39.89 million -11.5%N/A6.5 $14.35 4/30/20233,140,000 shares $33.76 million +8.3%N/A7.5 $10.75 4/15/20232,900,000 shares $32.92 million -3.7%N/A7.6 $11.35 3/31/20233,010,000 shares $32.39 million +19.4%N/A7.7 $10.76 3/15/20232,520,000 shares $28.78 million -7.4%N/A6.7 $11.42 2/28/20232,720,000 shares $34.98 million -0.4%N/A7.6 $12.86 2/15/20232,730,000 shares $36.80 million -0.7%N/A7.9 $13.48 1/31/20232,750,000 shares $39.77 million -4.8%N/A7.5 $14.46 1/15/20232,890,000 shares $42.05 million +2.5%N/A7.7 $14.55 12/30/20222,820,000 shares $42.24 million +38.2%N/A7.3 $14.98 12/15/20222,040,000 shares $32.19 million -22.7%N/A5.3 $15.78 11/30/20222,640,000 shares $44.43 million -5.4%N/A7.5 $16.83 11/15/20222,790,000 shares $43.97 million +2.2%N/A8.1 $15.76 10/31/20222,730,000 shares $31.18 million +3.0%N/A8.2 $11.42 10/15/20222,650,000 shares $35.96 million -8.0%N/A7.8 $13.57 9/30/20222,880,000 shares $36.98 million +18.5%N/A8.2 $12.84 9/15/20222,430,000 shares $25.44 million +7.5%N/A7.8 $10.47 8/31/20222,260,000 shares $26.49 million +15.3%N/A6.9 $11.72 8/15/20221,960,000 shares $24.42 million +1.6%N/A5.9 $12.46 7/31/20221,930,000 shares $19.13 million -18.2%N/A5.7 $9.91 7/15/20222,360,000 shares $26.55 million -2.9%N/A8.3 $11.25 6/30/20222,430,000 shares $23.55 million -4.7%N/A8.9 $9.69 6/15/20222,550,000 shares $21.78 million +2.4%N/A9.2 $8.54 5/31/20222,490,000 shares $19.07 million +1.6%N/A8.1 $7.66 5/15/20222,450,000 shares $20.14 million +7.0%N/A7.7 $8.22 4/30/20222,290,000 shares $21.37 million -0.9%N/A7.3 $9.33 4/15/20222,310,000 shares $25.94 million -10.5%N/A7 $11.23 3/31/20222,580,000 shares $25.65 million -20.9%N/A7.3 $9.94 3/15/20223,260,000 shares $30.97 million -0.6%N/A8.4 $9.50 2/28/20223,280,000 shares $33.59 million +16.7%N/A8.1 $10.24 2/15/20222,810,000 shares $31.95 million +3.3%N/A6.9 $11.37 1/31/20222,720,000 shares $30.55 million +19.3%8.5%6.8 $11.23 1/15/20222,280,000 shares $25.83 million +0.9%N/A5.3 $11.33 12/31/20212,260,000 shares $26.60 million -15.7%N/A5.6 $11.77 12/15/20212,680,000 shares $35.32 million +10.3%N/A7 $13.18 11/30/20212,430,000 shares $28.24 million +12.0%N/A7.2 $11.62 11/15/20212,170,000 shares $28.28 million -33.0%N/A6.5 $13.03 10/29/20213,240,000 shares $33.66 million +1.6%N/A9.1 $10.39Crypto bros: Meet your replacement (Ad)Larry Benedict made $274 million trading on Wall Street… Barron’s ranked his hedge fund in the top 1% worldwide. Now he’s applying the same expertise to the Bitcoin market. His system tracks 19 indicators to find quick Bitcoin profit opportunities.Now he’s revealing the entire thing… FREE. 10/15/20213,190,000 shares $36.53 million -11.6%10.2%7.7 $11.45 9/30/20213,610,000 shares $41.12 million -5.0%11.6%8.2 $11.39 9/15/20213,800,000 shares $45.41 million -7.3%12.2%8.3 $11.95 8/31/20214,100,000 shares $51.58 million -12.6%13.2%8.7 $12.58 8/13/20214,690,000 shares $57.41 million -3.9%15.0%9.1 $12.24 7/30/20214,880,000 shares $74.81 million +2.1%15.7%9.9 $15.33 7/15/20214,780,000 shares $64.63 million +2.1%15.4%12.2 $13.52 6/30/20214,680,000 shares $65.19 million +12.0%15.1%11.4 $13.93 6/15/20214,180,000 shares $61.07 million -5.0%13.5%9.4 $14.61 5/28/20214,400,000 shares $59.97 million -5.2%14.2%8.1 $13.63 5/14/20214,640,000 shares $64.17 million +0.7%N/A8.8 $13.83 4/30/20214,610,000 shares $77.82 million +9.0%N/A8.5 $16.88 4/15/20214,230,000 shares $68.70 million +11.9%N/A7.7 $16.24 3/31/20213,780,000 shares $68.38 million +3.6%N/A7.2 $18.09 3/15/20213,650,000 shares $84.75 million -5.7%N/A7.3 $23.22 2/26/20213,870,000 shares $80.57 million +2.1%N/A10.8 $20.82 2/12/20213,790,000 shares $79.21 million +1.3%N/A10.8 $20.90 1/29/20213,740,000 shares $71.21 million -3.9%N/A10.7 $19.04 1/15/20213,890,000 shares $76.13 million -3.5%N/A10.7 $19.57 12/31/20204,030,000 shares $70.77 million +81.5%N/A11.2 $17.56 12/15/20202,220,000 shares $43.23 million -0.9%N/A5.2 $19.48 11/30/20202,240,000 shares $40.90 million -0.9%N/A5.4 $18.26 11/15/20202,260,000 shares $35.37 million -16.0%N/A5.4 $15.65 10/30/20202,690,000 shares $43.04 million +4.3%N/A6.7 $16.00 10/15/20202,580,000 shares $50.08 million -21.8%N/A6.6 $19.41 9/30/20203,300,000 shares $50.56 million +15.8%N/A7.8 $15.32 9/15/20202,850,000 shares $49.42 million -1.0%N/A7.4 $17.34 8/31/20202,880,000 shares $50.89 million +14.3%N/A8 $17.67 8/14/20202,520,000 shares $44.60 million -3.8%N/A7.3 $17.70 KNSA Short Interest - Frequently Asked Questions What is Kiniksa Pharmaceuticals International's current short interest? Short interest is the volume of Kiniksa Pharmaceuticals International shares that have been sold short but have not yet been covered or closed out. As of July 15th, investors have sold 2,530,000 shares of KNSA short. Learn More on Kiniksa Pharmaceuticals International's current short interest. What is a good short interest ratio for Kiniksa Pharmaceuticals International? 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. KNSA shares currently have a short interest ratio of 3.0. Learn More on Kiniksa Pharmaceuticals International's short interest ratio. Which institutional investors are shorting Kiniksa Pharmaceuticals International? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Kiniksa Pharmaceuticals International: Caption Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. Is Kiniksa Pharmaceuticals International's short interest increasing or decreasing? Kiniksa Pharmaceuticals International saw a increase in short interest during the month of July. As of July 15th, there was short interest totaling 2,530,000 shares, an increase of 22.2% from the previous total of 2,070,000 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 Kiniksa Pharmaceuticals International's short interest compare to its competitors? Here is how the short interest of companies in the industry of "pharmaceutical products" compare to Kiniksa Pharmaceuticals International: Regencell Bioscience Holdings Limited (9.57%), Elanco Animal Health Incorporated (4.75%), Revolution Medicines, Inc. (7.33%), Grifols, S.A. (0.96%), TG Therapeutics, Inc. (15.22%), Nuvalent, Inc. (12.35%), CRISPR Therapeutics AG (29.30%), Rhythm Pharmaceuticals, Inc. (7.53%), Lantheus Holdings, Inc. (12.25%), Axsome Therapeutics, Inc. (7.37%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 billion). View all of the most shorted stocks. What does it mean to sell short Kiniksa Pharmaceuticals International stock? Short selling KNSA is an investing strategy that aims to generate trading profit from Kiniksa Pharmaceuticals International as its price is falling. KNSA shares are trading up $0.12 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 Kiniksa Pharmaceuticals International? A short squeeze for Kiniksa Pharmaceuticals International 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 KNSA, which in turn drives the price of the stock up even further. How often is Kiniksa Pharmaceuticals International'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 KNSA, twice per month. The most recent reporting period available is July, 15 2025. More Short Interest Resources from MarketBeat Related Companies RGC Short Interest Data ELAN Short Interest Data RVMD Short Interest Data GRFS Short Interest Data TGTX Short Interest Data NUVL Short Interest Data CRSP Short Interest Data RYTM Short Interest Data LNTH Short Interest Data AXSM Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:KNSA) was last updated on 8/6/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | Sponsored[Shocking New Report] U.S. Dollar To Crash?The "Death Spiral" Threatening Your Savings But this time, it's not just Dalio ringing the alarm bells…Goldco Precious Metals | SponsoredCrypto bros: Meet your replacementLarry Benedict made $274 million trading on Wall Street… Barron’s ranked his hedge fund in the top 1% world...Brownstone Research | SponsoredGENIUS Act: Cancel Your Money?They said digital dollars were off the table. 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