Ostin Technology Group (OST) Institutional Ownership $1.96 -0.14 (-6.67%) Closing price 04:00 PM EasternExtended Trading$2.00 +0.04 (+2.04%) As of 07:41 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 Ownership Stock AnalysisChartCompetitorsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Ostin Technology Group (NASDAQ:OST)CurrentInstitutional OwnershipPercentage21.92%Number ofInstitutional Buyers(last 12 months)3TotalInstitutional Inflows(last 12 months)$5.00MNumber ofInstitutional Sellers(last 12 months)0 Get OST Insider Trade Alerts Want to know when executives and insiders are buying or selling Ostin Technology Group stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Ostin Technology Group Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/19/2025 Marex Group plc284,875$45K0.0%N/A5.375% 8/14/2025 Qube Research & Technologies Ltd660,098$104K0.0%N/A12.462% 8/13/2025 Quadrature Capital Ltd318,100$49K0.0%N/A6.002% (Data available from 1/1/2016 forward) OST Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of OST shares? During the previous two years, the following institutional investors and hedge funds held shares of Ostin Technology Group shares: Qube Research & Technologies Ltd ($104K), and Quadrature Capital Ltd ($49K), Marex Group plc ($45K).Learn more on Ostin Technology Group's institutional investors. What percentage of Ostin Technology Group's stock is owned by institutional investors? 21.92% of Ostin Technology Group's stock is owned by institutional investors. Learn more on OST's institutional investor holdings. Which institutional investors have been buying Ostin Technology Group's stock? The following institutional investors have purchased Ostin Technology Group's stock in the last 24 months: Qube Research & Technologies Ltd ($660.10K), Quadrature Capital Ltd ($318.10K), and Marex Group plc ($284.88K). How much institutional buying is happening at Ostin Technology Group? Institutional investors have bought a total of 1,263,073 shares in the last 24 months. This purchase volume represents approximately $5.00M in transactions. Related Companies BEEM Major Shareholders PXLW Major Shareholders IPWR Major Shareholders DVLT Major Shareholders LGL Major Shareholders SQNS Major Shareholders SPCB Major Shareholders NSYS Major Shareholders UTSI Major Shareholders CMBM Major Shareholders This page (NASDAQ:OST) was last updated on 8/21/2025 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 | SponsoredAlex’s “Next Magnificent Seven” stocksThe original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Ma...The Oxford Club | SponsoredOut of 18,347 Cryptocurrencies... 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