IRIDEX (IRIX) Institutional Ownership $1.32 -0.04 (-2.82%) Closing price 09/10/2025 03:53 PM EasternExtended Trading$1.34 +0.02 (+1.38%) As of 05:14 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 Ownership Stock AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for IRIDEX (NASDAQ:IRIX)CurrentInstitutional OwnershipPercentage20.10%Number ofInstitutional Buyers(last 12 months)2TotalInstitutional Inflows(last 12 months)$67.27KNumber ofInstitutional Sellers(last 12 months)4TotalInstitutional Outflows(last 12 months)$432.54K Get IRIX Insider Trade Alerts Want to know when executives and insiders are buying or selling IRIDEX stock? 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Skip Chart & View Institutional Buying and Selling Data IRIX Institutional Buying and Selling by Quarter IRIDEX Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/8/2025 Thompson Davis & CO. Inc.56,726$50K0.0%N/A0.334% 8/4/2025 AMH 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% 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. 11/13/2023Acadian 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% 2/14/2022Blair William & Co. IL60,000$367K0.0%-20.0%0.379% 2/11/2022Renaissance Technologies LLC563,160$3.44M0.0%-14.3%3.557% 2/10/2022Essex Investment Management Co. LLC219,753$1.34M0.2%+8.2%1.388% 2/10/2022Acadian Asset Management LLC121,077$738K0.0%+31.1%0.765% 2/9/2022Dimensional Fund Advisors LP231,368$1.41M0.0%+14.2%1.461% 11/15/2021Dimensional Fund Advisors LP202,533$1.55M0.0%+10.5%1.279% 11/15/2021Neuberger Berman Group LLC75,850$581K0.0%+35.8%0.479% 11/9/2021Essex Investment Management Co. LLC203,181$1.56M0.2%-0.6%1.283% 10/13/2021Conservest Capital Advisors Inc.10,268$79K0.0%N/A0.065% 8/17/2021Bridgeway Capital Management LLC264,200$1.87M0.0%+22.1%1.676% 8/16/2021PDT Partners LLC14,732$104K0.0%N/A0.093% 8/16/2021Invenomic Capital Management LP156,395$1.10M0.3%-1.7%0.992% 8/16/2021State Street Corp17,362$123K0.0%N/A0.110% 8/13/2021Renaissance Technologies LLC657,560$4.64M0.0%+2.4%4.172% 8/13/2021Northern Trust Corp36,385$257K0.0%+13.8%0.231% 8/13/2021Neuberger Berman Group LLC55,850$394K0.0%-26.4%0.354% 8/13/2021Geode Capital Management LLC98,199$693K0.0%+2.5%0.623% 8/13/2021Vanguard Group Inc.510,084$3.60M0.0%-14.9%3.236% 8/13/2021EAM Investors LLC145,805$1.03M0.2%-20.5%0.925% 8/12/2021Trexquant Investment LP11,479$81K0.0%N/A0.073% 8/12/2021Dimensional Fund Advisors LP183,353$1.29M0.0%+11.3%1.163% 8/12/2021JPMorgan Chase & Co.19,167$135K0.0%+2,511.3%0.122% 8/12/2021Essex Investment Management Co. LLC204,484$1.44M0.2%N/A1.297% 8/10/2021Isthmus Partners LLC186,642$1.32M0.2%-3.7%1.184% (Data available from 1/1/2016 forward) IRIX Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of IRIX shares? During the previous two years, the following institutional investors and hedge funds held shares of IRIDEX shares: Renaissance Technologies LLC ($640K), AMH Equity Ltd ($168K), Perkins Capital Management Inc. ($135K), Bridgeway Capital Management LLC ($118K), Acadian Asset Management LLC ($73K), Long Focus Capital Management LLC ($64K), and Dimensional Fund Advisors LP ($53K).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? The following institutional investors have purchased IRIDEX's stock in the last 24 months: AMH Equity Ltd ($384.10K), Thompson Davis & CO. Inc. ($56.73K), and Perkins Capital Management Inc. ($5.20K). How much institutional buying is happening at IRIDEX? Institutional investors have bought a total of 74,146 shares in the last 24 months. This purchase volume represents approximately $67.27K 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), Long Focus Capital Management LLC ($61.83K), Renaissance Technologies LLC ($16.20K), and Bridgeway Capital Management LLC ($6.98K). How much institutional selling is happening at IRIDEX? Institutional investors have sold a total of 413,543 shares in the last 24 months. This volume of shares sold represents approximately $432.54K in transactions. Related Companies BDMD Major Shareholders EDAP Major Shareholders APYX Major Shareholders NTRB Major Shareholders TELA Major Shareholders LUNG Major Shareholders VANI Major Shareholders ICCM Major Shareholders CTSO Major Shareholders SRTS Major Shareholders This page (NASDAQ:IRIX) was last updated on 9/11/2025 by MarketBeat.com Staff From Our PartnersHe Called Nvidia at $1.10. Now, He Says THIS Stock Will…The original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. Now, the man who called Nvi...The Oxford Club | SponsoredBuffett, Gates and Bezos Dumping StocksThe world's wealthiest individuals are making huge moves with their money. 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