Koss (KOSS) Institutional Ownership $4.60 +0.33 (+7.73%) Closing price 04/17/2025 04:00 PM EasternExtended Trading$4.62 +0.03 (+0.54%) As of 04/17/2025 06:19 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 AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Koss (NASDAQ:KOSS)CurrentInstitutional OwnershipPercentage6.21%Number ofInstitutional Buyers(last 12 months)6TotalInstitutional Inflows(last 12 months)$932.46KNumber ofInstitutional Sellers(last 12 months)0 Get KOSS Insider Trade Alerts Want to know when executives and insiders are buying or selling Koss stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data KOSS Institutional Buying and Selling by Quarter Koss Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails2/17/2025Citadel Advisors LLC28,725$212K0.0%N/A0.307% 2/14/2025Jane Street Group LLC16,982$125K0.0%N/A0.182% 2/13/2025Marshall Wace LLP60,580$447K0.0%N/A0.648% 2/11/2025Virtu Financial LLC12,399$92K0.0%N/A0.133% 11/16/2024Geode Capital Management LLC61,211$452K0.0%+2.9%0.655% 8/9/2024Dimensional Fund Advisors LP145,958$650K0.0%+7.2%1.577% 2/9/2022Dimensional Fund Advisors LP154,546$1.65M0.0%+5.4%1.691% 2/8/2022CIBC Private Wealth Group LLC546,528$5.84M0.0%N/A5.981% 11/15/2021Dimensional Fund Advisors LP146,611$2.40M0.0%+5.4%1.604% 8/17/2021Millennium Management LLC56,306$1.31M0.0%+140.1%0.661% Get the Latest News and Ratings for KOSS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Koss and its competitors with MarketBeat's FREE daily newsletter. 8/16/2021State Street Corp26,574$617K0.0%N/A0.312% 8/16/2021CIBC Private Wealth Group LLC546,528$12.69M0.0%+5,557.1%6.417% 8/13/2021Northern Trust Corp12,634$293K0.0%-9.6%0.148% 8/13/2021LPL Financial LLC14,153$329K0.0%N/A0.166% 8/13/2021Geode Capital Management LLC36,094$838K0.0%+21.4%0.424% 8/13/2021Vanguard Group Inc.164,178$3.81M0.0%+248.7%1.928% 8/12/2021Dimensional Fund Advisors LP139,043$3.23M0.0%-7.6%1.633% 5/18/2021Paloma Partners Management Co30,724$691K0.0%N/A0.403% 5/18/2021Millennium Management LLC23,451$527K0.0%N/A0.308% 5/18/2021Citadel Advisors LLC34,069$766K0.0%N/A0.400% 5/17/2021Schonfeld Strategic Advisors LLC44,400$999K0.0%N/A0.583% 5/14/2021Dimensional Fund Advisors LP150,400$3.38M0.0%-1.3%1.975% 5/13/2021Barclays PLC3,650$82K0.0%N/A0.048% 5/12/2021Northern Trust Corp13,973$314K0.0%-6.5%0.183% 5/12/2021Geode Capital Management LLC29,735$668K0.0%N/A0.390% 5/12/2021CIBC Private Wealth Group LLC9,661$217K0.0%-87.9%0.127% (Data available from 1/1/2016 forward) KOSS Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of KOSS shares? During the previous two years, the following institutional investors and hedge funds held shares of Koss shares: Dimensional Fund Advisors LP ($650K), Geode Capital Management LLC ($452K), Marshall Wace LLP ($447K), Citadel Advisors LLC ($212K), and Jane Street Group LLC ($125K), Virtu Financial LLC ($92K).Learn more on KOSS's institutional investors. What percentage of Koss stock is owned by institutional investors? 6.21% of Koss stock is owned by institutional investors. Learn more on KOSS's institutional investor holdings. Which institutional investors have been buying Koss stock? The following institutional investors have purchased Koss stock in the last 24 months: Marshall Wace LLP ($60.58K), Citadel Advisors LLC ($28.73K), Jane Street Group LLC ($16.98K), Virtu Financial LLC ($12.40K), Dimensional Fund Advisors LP ($9.81K), and Geode Capital Management LLC ($1.74K). How much institutional buying is happening at Koss? Institutional investors have bought a total of 130,243 shares in the last 24 months. This purchase volume represents approximately $932.46K in transactions. 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