IRIDEX (IRIX) Institutional Ownership $1.01 +0.01 (+1.00%) Closing price 04:00 PM EasternExtended Trading$1.03 +0.02 (+1.98%) As of 07:55 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 Massive. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for IRIDEX (NASDAQ:IRIX)CurrentInstitutional OwnershipPercentage20.10%Number ofInstitutional Buyers(last 12 months)9TotalInstitutional Inflows(last 12 months)$596.91KNumber ofInstitutional Sellers(last 12 months)2TotalInstitutional Outflows(last 12 months)$309.69K Get IRIX Insider Trade Alerts Want to know when executives and insiders are buying or selling IRIDEX stock? 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Read our full terms of service and privacy policy. Skip Chart & View Institutional Buying and Selling Data IRIX Institutional Buying and Selling by Quarter IRIDEX Major Shareholders & Ownership History ExportReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/14/2026 Renaissance Technologies LLC396,627$401K0.0%+6.7%2.279% 5/2/2026 Diversify Wealth Management LLC33,840$35K0.0%N/A0.194% 4/24/2026 Perkins Capital Management Inc.55,300$56K0.1%+33.9%0.319% 4/16/2026 Thompson Davis & CO. Inc.47,444$48K0.0%+66.5%0.274% 2/12/2026 Jane Street Group LLC31,758$36K0.0%+93.9%0.185% 2/12/2026 Renaissance Technologies LLC371,560$424K0.0%-4.5%2.161% 1/29/2026 Weber Capital Management LLC ADV259,558$296K0.3%N/A1.510% 1/12/2026 Thompson Davis & CO. Inc.28,500$32K0.0%N/A0.166% 11/18/2025Apexium Financial LP100,529$116K0.0%+53.0%0.585% 11/17/2025 Susquehanna International Group LLP56,470$65K0.0%+46.2%0.329% Get the Latest News and Ratings for IRIX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for IRIDEX and its competitors with MarketBeat's FREE daily newsletter. 11/17/2025 Citadel Advisors LLC109,473$126K0.0%+62.7%0.644% 8/8/2025 Thompson Davis & CO. Inc.56,726$50K0.0%N/A0.334% 8/4/2025AMH Equity Ltd190,000$168K0.2%-63.4%1.132% 5/5/2025AMH Equity Ltd518,541$513K0.8%+3.5%3.089% 2/17/2025Bridgeway Capital Management LLC70,000$118K0.0%-9.1%0.421% 2/14/2025Long Focus Capital Management LLC38,173$64K0.0%-61.8%0.229% 2/13/2025Renaissance Technologies LLC381,160$640K0.0%-4.1%2.291% 8/9/2024Dimensional Fund Advisors LP24,438$53K0.0%-49.4%0.150% 5/10/2024Perkins Capital Management Inc.45,300$135K0.1%+13.0%0.279% 5/7/2024AMH Equity Ltd456,400$1.36M1.3%+15.3%2.809% 2/2/2024AMH Equity Ltd396,000$1.11M1.0%-37.8%2.437% 11/13/2023Acadian Asset Management LLC28,807$73K0.0%-42.2%0.177% 11/6/2023AMH Equity Ltd637,103$1.62M2.1%+92.6%3.925% 11/2/2023Perkins Capital Management Inc.40,250$102K0.1%-20.2%0.248% 8/3/2023Isthmus Partners LLC391,133$849K0.1%+3.3%2.443% 8/1/2023AMH Equity Ltd330,821$718K0.8%+1,123.5%2.066% 7/21/2023Perkins Capital Management Inc.50,450$109K0.1%+12.2%0.315% 5/11/2023Isthmus Partners LLC378,818$769K0.1%+13.5%2.366% 5/2/2023AMH Equity Ltd27,040$55K0.1%N/A0.169% 2/10/2023Isthmus Partners LLC333,792$671K0.1%+5.0%2.088% 11/15/2022Paragon Associates & Paragon Associates II Joint Venture799,385$1.93M3.9%+42.1%5.001% 10/24/2022Perkins Capital Management Inc.40,450$97K0.1%-49.7%0.253% 8/12/2022Essex Investment Management Co. LLC83,528$215K0.0%-72.8%0.526% 8/10/2022Mackenzie Financial Corp16,462$42K0.0%+36.7%0.104% 8/8/2022Isthmus Partners LLC286,139$735K0.1%+26.0%1.801% 7/29/2022Perkins Capital Management Inc.80,346$206K0.2%+15.9%0.506% 5/9/2022Essex Investment Management Co. LLC306,993$1.42M0.2%+39.7%1.933% 5/4/2022Isthmus Partners LLC227,119$1.05M0.2%+5.6%1.430% 4/20/2022Perkins Capital Management Inc.69,346$321K0.3%+8.8%0.437% 2/14/2022Long Focus Capital Management LLC100,000$611K0.1%N/A0.632% Louis Navellier: My #1 AI stock for 2026 (name & ticker inside) (Ad)Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top S&P 500 stock for 12 years running—and today, he's giving away his #1 AI stock pick for 2026, free. This company's sales are up 28% year over year, it holds over 30,000 patents in wireless and video technology, and it just earned an A-rating in his proprietary Stock Grader system that has cost him $9 million to build and maintain.Get the name and ticker of Louis Navellier's #1 AI stock free2/14/2022Blair William & Co. IL60,000$367K0.0%-20.0%0.379% 2/11/2022Renaissance Technologies LLC563,160$3.44M0.0%-14.3%3.557% 2/9/2022Dimensional Fund Advisors LP231,368$1.41M0.0%+14.2%1.461% IRIX Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of IRIX shares? During the previous two years, 13 institutional investors and hedge funds held shares of IRIDEX. The most heavily invested institutionals were Renaissance Technologies LLC ($401K), Weber Capital Management LLC ADV ($296K), AMH Equity Ltd ($168K), Citadel Advisors LLC ($126K), Bridgeway Capital Management LLC ($118K), Apexium Financial LP ($116K), and Susquehanna International Group LLP ($65K).Learn more on IRIDEX's institutional investors. What percentage of IRIDEX's stock is owned by institutional investors? 20.10% of IRIDEX's stock is owned by institutional investors. Learn more on IRIX's institutional investor holdings. Which institutional investors have been buying IRIDEX's stock? Of the 10 institutional investors that purchased IRIDEX's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Weber Capital Management LLC ADV ($259.56K), Thompson Davis & CO. Inc. ($104.17K), Citadel Advisors LLC ($42.20K), Apexium Financial LP ($34.83K), Diversify Wealth Management LLC ($33.84K), Renaissance Technologies LLC ($25.07K), and Susquehanna International Group LLP ($17.83K). How much institutional buying is happening at IRIDEX? Institutional investors have bought a total of 546,882 shares in the last 24 months. This purchase volume represents approximately $596.91K in transactions. Which of IRIDEX's major shareholders have been selling company stock? The following institutional investors have sold IRIDEX stock in the last 24 months: AMH Equity Ltd ($328.54K), and Renaissance Technologies LLC ($17.50K). How much institutional selling is happening at IRIDEX? Institutional investors have sold a total of 346,041 shares in the last 24 months. This volume of shares sold represents approximately $309.69K in transactions. Related Companies LNSR Major Shareholders BDMD Major Shareholders APT Major Shareholders LUNG Major Shareholders DRIO Major Shareholders DXR Major Shareholders COCH Major Shareholders SRTS Major Shareholders ECOR Major Shareholders NSPR Major Shareholders This page (NASDAQ:IRIX) was last updated on 5/21/2026 by MarketBeat.com Staff. 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