Koss (KOSS) Institutional Ownership $5.48 -0.08 (-1.44%) Closing price 08/8/2025 04:00 PM EasternExtended Trading$5.48 0.00 (0.00%) As of 08/8/2025 07:52 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)5TotalInstitutional Inflows(last 12 months)$888.79KNumber ofInstitutional Sellers(last 12 months)1TotalInstitutional Outflows(last 12 months)$11.78K 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 CompanyDetails8/8/2025 Geode Capital Management LLC58,328$298K0.0%-3.8%0.622% 2/17/2025Citadel 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% 11/16/2024 Geode 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% 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% 8/13/2021 Geode 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% 5/18/2021Millennium Management LLC23,451$527K0.0%N/A0.308% (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), Marshall Wace LLP ($447K), Geode Capital Management LLC ($298K), Citadel Advisors LLC ($212K), and Jane Street Group LLC ($125K), Virtu Financial LLC ($92K).Learn more on Koss' 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 120,430 shares in the last 24 months. This purchase volume represents approximately $888.79K in transactions. Which of Koss' major shareholders have been selling company stock? The following institutional investors have sold Koss stock in the last 24 months: Geode Capital Management LLC ($2.31K). How much institutional selling is happening at Koss? Institutional investors have sold a total of 2,310 shares in the last 24 months. This volume of shares sold represents approximately $11.78K in transactions. Related Companies Funko Institutional Ownership Escalade Institutional Ownership Tron Institutional Ownership Clarus Institutional Ownership American Outdoor Brands Institutional Ownership Genasys Institutional Ownership FST Institutional Ownership Connexa Sports Technologies Institutional Ownership Solo Brands Institutional Ownership Fitell Institutional Ownership This page (NASDAQ:KOSS) was last updated on 8/10/2025 by MarketBeat.com Staff From Our Partners#1 Pre-IPO Opportunity For 2025 [Take Action Now!]James Altucher has scored 37X and even 60X returns on past pre-IPO deals. But now he says a much bigger opport...Paradigm Press | SponsoredGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. B...Priority Gold | SponsoredBuffett’s $325 Billion Cash Problem — Solved by Gold?A bombshell announcement is just weeks away — and it could send shockwaves through the gold market. Most inves...Golden Portfolio | SponsoredMarket Crash Warning: How to Protect Your Wealth Before August 12thChina tariffs hit August 12—and experts warn a market meltdown may follow. A free guide from American Alter...American Alternative | SponsoredHe 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 | SponsoredI trusted Trump and got screwedPorter Stansberry says he got one thing wrong—and now millions of Americans could pay the price. After warning...Porter & Company | 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 stealth altcoin the financial world is underestimatingThe Single Most Undervalued DeFi Protocol You've Never Heard Of If there's one cryptocurrency you should b...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 Koss Corporation Please log in to your account or sign up in order to add this asset to your watchlist. Share Koss 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.
