Surmodics (SRDX) Short Interest Ratio & Short Volume $31.39 +0.52 (+1.68%) Closing price 04:00 PM EasternExtended Trading$31.44 +0.05 (+0.18%) As of 04:04 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 ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Surmodics Short Interest DataSurmodics (SRDX) has a short interest of 342,400 shares, representing 2.49% of the float (the number of shares available for trading by the public). This marks a -14.76% decrease in short interest from the previous month. The short interest ratio (days to cover) is 4.2, indicating that it would take 4.2 days of the average trading volume of 220,682 shares to cover all short positions.Current Short Interest342,400 sharesPrevious Short Interest401,700 sharesChange Vs. Previous Month-14.76%Dollar Volume Sold Short$10.17 millionShort Interest Ratio4.2 Days to CoverLast Record DateJune 30, 2025Outstanding Shares14,300,000 sharesFloat Size13,730,000 sharesShort Percent of Float2.49%Today's Trading Volume49,082 sharesAverage Trading Volume220,682 sharesToday's Volume Vs. Average22% Short Selling Surmodics? Sign up to receive the latest short interest report for Surmodics and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartSRDX Short Interest Over TimeSRDX Days to Cover Over TimeSRDX Percentage of Float Shorted Over Time Surmodics Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/30/2025342,400 shares $10.17 million -14.8%2.5%4.2 $29.71 6/15/2025401,700 shares $11.71 million -1.2%2.9%5 $29.16 5/31/2025406,600 shares $11.81 million -4.7%3.0%4.4 $29.04 5/15/2025426,700 shares $11.96 million -10.5%3.1%3.2 $28.03 4/30/2025476,500 shares $13.35 million +3.1%3.5%2.9 $28.01 4/15/2025462,300 shares $13.10 million +35.9%3.4%2.3 $28.34 3/31/2025340,200 shares $10.39 million +11.9%2.5%1.3 $30.53 3/15/2025303,900 shares $8.60 million +12.0%2.2%1.1 $28.30 2/28/2025271,300 shares $8.91 million -37.0%2.0%1 $32.86 2/15/2025430,900 shares $14.69 million -28.4%3.2%1.7 $34.10 Get the Latest News and Ratings for SRDX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Surmodics and its competitors with MarketBeat's FREE daily newsletter. 1/31/2025601,700 shares $20.48 million +30.0%4.4%2.4 $34.04 1/15/2025462,800 shares $17.04 million +33.0%3.4%2 $36.81 12/31/2024348,000 shares $13.78 million +3.4%2.5%1.7 $39.60 12/15/2024336,600 shares $13.47 million -0.4%2.5%1.7 $40.03 11/30/2024337,800 shares $13.33 million -3.0%2.5%1.5 $39.45 11/15/2024348,400 shares $13.49 million +5.3%2.5%1.4 $38.72 10/31/2024331,000 shares $12.42 million +4.2%2.4%1.2 $37.52 10/15/2024317,700 shares $12.25 million -1.8%2.3%1 $38.55 9/30/2024323,600 shares $12.55 million +0.8%2.4%0.9 $38.78 9/15/2024321,000 shares $12.63 million -25.3%2.4%0.8 $39.36 8/31/2024429,600 shares $17.03 million -7.0%3.2%1.1 $39.63 8/15/2024462,000 shares $18.35 million -36.9%3.4%1 $39.72 7/31/2024732,100 shares $30.31 million +4.6%5.4%1.8 $41.40 7/15/2024700,100 shares $29.38 million -12.7%5.1%2 $41.97 6/30/2024801,600 shares $33.70 million +32.4%5.9%2.7 $42.04 6/15/2024605,500 shares $25.40 million +18.0%4.4%2.6 $41.95 5/31/2024513,000 shares $21.58 million +2.4%3.8%2.9 $42.06 5/15/2024501,100 shares $16.82 million +1.1%3.7%7 $33.56 4/30/2024495,800 shares $12.74 million +4.8%3.6%6.9 $25.69 4/15/2024472,900 shares $12.49 million +5.8%3.5%7.5 $26.42 3/31/2024447,000 shares $13.11 million +1.3%3.3%9.8 $29.34 3/15/2024441,100 shares $12.43 million -1.1%3.2%10 $28.17 2/29/2024446,100 shares $14.23 million +3.8%3.3%7.9 $31.90 2/15/2024429,700 shares $13.99 million +6.9%3.2%7.3 $32.56 1/31/2024402,100 shares $14.16 million -6.9%3.0%6 $35.21 1/15/2024432,000 shares $14.57 million -3.3%3.2%5.9 $33.73 12/31/2023446,700 shares $16.24 million -8.4%3.3%6 $36.35 12/15/2023487,800 shares $18.41 million +8.0%3.6%6.7 $37.75 11/30/2023451,500 shares $14.82 million +91.9%3.3%7.5 $32.82 11/15/2023235,300 shares $7.96 million +71.0%1.7%3.7 $33.82Trump’s treachery (Ad)Trump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to move your money now.Millions of Americans are about to be wiped out, while others could make a fortune… click here to ma 10/31/2023137,600 shares $4.05 million +1.8%1.0%2.1 $29.46 10/15/2023135,200 shares $4.01 million -8.0%1.0%1.9 $29.65 9/30/2023147,000 shares $4.72 million +18.7%1.1%2.3 $32.09 9/15/2023123,800 shares $4.29 million +1.4%0.9%1.9 $34.63 8/31/2023122,100 shares $4.50 million -10.8%0.9%1.4 $36.82 8/15/2023136,800 shares $5.13 million -9.8%1.0%1.5 $37.53 7/31/2023151,600 shares $4.86 million -7.2%1.1%1.7 $32.07 7/15/2023163,300 shares $4.91 million +7.7%1.2%1.8 $30.06 6/30/2023151,600 shares $4.75 million -16.2%1.1%1.6 $31.31 6/15/2023180,900 shares $4.60 million -30.5%1.3%1.5 $25.43 5/31/2023260,200 shares $4.77 million +4.3%1.9%1.5 $18.33 5/15/2023249,600 shares $4.74 million -6.9%1.8%1.4 $18.99 4/30/2023268,000 shares $6.17 million -29.9%2.0%1.4 $23.04 4/15/2023382,400 shares $9.00 million -3.1%2.8%2.1 $23.53 3/31/2023394,800 shares $8.99 million -27.5%2.9%2.1 $22.78 3/15/2023544,500 shares $9.47 million +24.8%4.0%3.2 $17.39 2/28/2023436,400 shares $9.53 million +17.1%3.2%5.2 $21.84 2/15/2023372,700 shares $9.51 million +9.2%2.8%5.7 $25.52 1/31/2023341,300 shares $9.59 million +16.8%2.5%5.7 $28.11 1/15/2023292,100 shares $10.58 million -1.7%2.2%5.3 $36.23 12/30/2022297,200 shares $10.14 million +48.6%2.2%7 $34.12 12/15/2022200,000 shares $7.19 million -16.6%1.5%4.7 $35.97 11/30/2022239,700 shares $8.66 million -21.3%1.8%6.3 $36.13 11/15/2022304,700 shares $10.60 million -16.0%2.3%7.8 $34.80 10/31/2022362,900 shares $12.39 million +3.1%2.7%10.2 $34.14 10/15/2022352,000 shares $10.39 million -1.9%2.6%9.5 $29.52 9/30/2022358,900 shares $10.91 million -7.3%2.7%9.5 $30.40 9/15/2022387,000 shares $11.93 million +8.1%2.9%10.4 $30.83 8/31/2022357,900 shares $12.06 million -8.7%2.7%9.5 $33.69 8/15/2022391,800 shares $15.16 million -5.2%2.9%10.8 $38.69 7/31/2022413,300 shares $14.38 million -0.7%3.1%10.8 $34.80 7/15/2022416,000 shares $14.97 million +18.3%3.1%11 $35.98 6/30/2022351,800 shares $13.10 million -5.0%2.6%9.5 $37.23 6/15/2022370,300 shares $13.65 million +7.3%2.7%9.6 $36.85 5/31/2022345,200 shares $13.54 million -4.8%2.6%9.3 $39.23 5/15/2022362,500 shares $13.02 million +17.7%2.7%8.9 $35.91 4/30/2022308,100 shares $11.91 million +2.7%2.3%7.1 $38.66 4/15/2022299,900 shares $12.73 million -17.8%2.2%6.4 $42.45 3/31/2022364,600 shares $16.53 million -18.7%2.7%7.2 $45.33 3/15/2022448,700 shares $18.67 million +22.6%3.3%8.8 $41.62 2/28/2022365,900 shares $16.42 million +6.1%2.7%6.6 $44.88 2/15/2022344,800 shares $14.97 million +18.5%2.6%6.1 $43.42 1/31/2022291,100 shares $13.30 million +6.3%2.2%4.9 $45.68 1/15/2022273,900 shares $12.89 million +8.0%2.0%5.1 $47.06 12/31/2021253,600 shares $12.21 million +17.6%1.9%5 $48.15 12/15/2021215,700 shares $9.76 million +9.0%1.6%4.2 $45.26 11/30/2021197,900 shares $8.69 million +9.4%1.5%3.9 $43.93 11/15/2021180,900 shares $8.84 million -37.1%1.4%3.7 $48.88 10/29/2021287,800 shares $16.02 million -1.4%2.2%6.8 $55.66 10/15/2021291,800 shares $16.02 million -6.7%2.2%7.1 $54.90Trump’s treachery (Ad)Trump’s Final Reset Inside the shocking plot to re-engineer America’s financial system…and why you need to move your money now.Millions of Americans are about to be wiped out, while others could make a fortune… click here to ma 9/30/2021312,800 shares $17.39 million -5.4%2.3%7.6 $55.60 9/15/2021330,500 shares $18.99 million +1.0%2.5%8.3 $57.47 8/31/2021327,100 shares $19.65 million +7.3%2.4%8.8 $60.07 8/13/2021304,900 shares $16.19 million -6.2%2.3%8.5 $53.10 7/30/2021324,900 shares $17.91 million -5.3%2.4%8.6 $55.11 7/15/2021343,000 shares $18.11 million -4.4%2.6%8.5 $52.81 6/30/2021358,900 shares $19.47 million -10.5%2.7%8.7 $54.25 6/15/2021401,000 shares $21.33 million -15.0%3.0%8.6 $53.20 5/28/2021472,000 shares $25.04 million +1.6%3.5%9.9 $53.05 5/14/2021464,800 shares $24.75 million +21.5%3.5%9.3 $53.24 4/30/2021382,700 shares $21.34 million -0.7%2.9%7.2 $55.76 4/15/2021385,200 shares $22.08 million +21.1%2.9%7.5 $57.33 3/31/2021318,200 shares $17.29 million -9.9%2.4%6.1 $54.35 3/15/2021353,200 shares $19.68 million +1.6%2.7%6.7 $55.73 2/26/2021347,800 shares $17.97 million -8.0%2.6%7.1 $51.68 2/12/2021378,000 shares $20.36 million -5.8%2.9%8 $53.86 1/29/2021401,400 shares $18.22 million +1.4%3.0%8.3 $45.39 1/15/2021395,900 shares $17.99 million -1.0%3.0%8.6 $45.43 12/31/2020399,700 shares $17.21 million +4.5%3.0%9.3 $43.06 12/15/2020382,400 shares $14.70 million +0.2%2.9%9.1 $38.43 11/30/2020381,800 shares $14.65 million +10.0%2.9%8.9 $38.36 11/15/2020347,200 shares $13.12 million +1.0%2.6%7.8 $37.78 10/30/2020343,900 shares $13.33 million +2.7%2.6%7.9 $38.76 10/15/2020334,800 shares $13.94 million -8.2%2.6%7.3 $41.65 9/30/2020364,700 shares $14.19 million +15.4%2.8%7.1 $38.91 9/15/2020316,100 shares $12.32 million -0.9%2.4%5.8 $38.98 8/31/2020319,000 shares $14.43 million -5.1%2.4%5.6 $45.25 8/14/2020336,200 shares $15.63 million -5.2%2.6%5.3 $46.48 7/31/2020354,500 shares $16.76 million +6.1%2.7%5.3 $47.29 7/15/2020334,200 shares $14.55 million -13.8%2.6%4.9 $43.53 SRDX Short Interest - Frequently Asked Questions What is Surmodics' current short interest? Short interest is the volume of Surmodics shares that have been sold short but have not yet been covered or closed out. As of June 30th, traders have sold 342,400 shares of SRDX short. 2.49% of Surmodics' shares are currently sold short. Learn More on Surmodics' current short interest. What is a good short interest ratio for Surmodics? 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. SRDX shares currently have a short interest ratio of 4.0. Learn More on Surmodics's short interest ratio. Which institutional investors are shorting Surmodics? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Surmodics: Jane Street Group LLC, and Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Surmodics? 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. 2.49% of Surmodics' floating shares are currently sold short. Is Surmodics' short interest increasing or decreasing? Surmodics saw a decrease in short interest during the month of June. As of June 30th, there was short interest totaling 342,400 shares, a decrease of 14.8% from the previous total of 401,700 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 Surmodics' float size? Surmodics currently has issued a total of 14,300,000 shares. Some of Surmodics' 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. Surmodics currently has a public float of 13,730,000 shares. How does Surmodics' short interest compare to its competitors? 2.49% of Surmodics' shares are currently sold short. Here is how the short interest of companies in the sector of "medical" compare to Surmodics: Alphatec Holdings, Inc. (11.60%), AtriCure, Inc. (3.24%), Integra LifeSciences Holdings Corporation (10.17%), Orthofix Medical Inc. (6.23%), AngioDynamics, Inc. (6.51%), Accuray Incorporated (2.93%), Rockwell Medical, Inc. (0.60%), ReShape Lifesciences Inc. (9.42%), Abbott Laboratories (1.12%), Intuitive Surgical, Inc. (1.14%), 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 Surmodics stock? Short selling SRDX is an investing strategy that aims to generate trading profit from Surmodics as its price is falling. SRDX shares are trading up $0.52 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 Surmodics? A short squeeze for Surmodics 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 SRDX, which in turn drives the price of the stock up even further. How often is Surmodics' 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 SRDX, twice per month. The most recent reporting period available is June, 30 2025. More Short Interest Resources from MarketBeat Related Companies Alphatec Short Squeeze AtriCure Short Squeeze Integra LifeSciences Short Squeeze Orthofix Medical Short Squeeze AngioDynamics Short Squeeze Accuray Short Squeeze Rockwell Medical Short Squeeze ReShape Lifesciences Short Squeeze Abbott Laboratories Short Squeeze Intuitive Surgical 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:SRDX) was last updated on 7/14/2025 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 | SponsoredThe End of Elon Musk…?The End of Elon Musk? Don't make him laugh. Jeff Brown has been hearing this same tired story for years, an...Brownstone Research | 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 | SponsoredThe Trump Dump is starting; Get out of stocks now?The first 365 days of the Trump presidency… Will be the best time to get rich in American history.Paradigm Press | SponsoredThe Robotics Revolution has arrived … and one $7 stock could take off as a result.Something big is brewing in Washington. According to my research, an executive order from President Trump c...Weiss Ratings | SponsoredCrypto Is Pumping Again – Now Comes the Real OpportunityThis same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...Crypto Swap Profits | SponsoredTrump wipes out trillions overnight…Is there anybody more powerful than Donald Trump right now? In a single tariff announcement, he wiped out n...Porter & Company | Sponsored"I'm risking my reputation on this"Behind closed doors, away from the mainstream media's eyes, the smartest minds in crypto are all seeing the sa...Crypto 101 Media | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Surmodics, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Surmodics With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Free SRDX Stock Alerts