Koss Corp (KOSS) Institutional Ownership

Ownership Summary

Koss Corp (NASDAQ:KOSS) currently has 21 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

• Institutional ownership in Koss edged up to 4.3% in December 2025, compared to 2.5% in September 2025.
• The company experienced a -1.61% quarterly change in institutional shares held, alongside a decrease of 27.59% in total owners annually.
• A review of institutional activity for Koss shows 7 of 21 filers increasing their positions, while 4 reduced their stake, and 10 remained unchanged.
• The total number of shares held by institutions in Koss decreased to 473.25K as of December 2025, a net change of down by 7.72K shares quarter on quarter, and down 101.00K shares year over year.
• With 222.99K shares, VANGUARD GROUP INC commands the largest institutional position in Koss as of December 31, 2025, equating to 2.05% of the company.
• Among the most significant buyers of Koss during December 2025 were XTX Topco Ltd (12.19K), SageView Advisory Group, LLC (5.00K), GEODE CAPITAL MANAGEMENT, LLC (1.90K), N.E.W. Advisory Services LLC (1.00K), BlackRock, Inc. (552).
• Leading sellers of Koss stock in December 2025 included VANGUARD GROUP INC (22.72K), UBS Group AG (5.55K), NORTHERN TRUST CORP (137), BANK OF AMERICA CORP /DE/ (94).
• The top 10 institutional holders of Koss for the quarter ending December 2025 included VANGUARD GROUP INC (222.99K), BlackRock, Inc. (88.41K), GEODE CAPITAL MANAGEMENT, LLC (60.34K), DIMENSIONAL FUND ADVISORS LP (23.34K), STATE STREET CORP (17.97K), NORTHERN TRUST CORP (14.29K), XTX Topco Ltd (12.19K), JAMES INVESTMENT RESEARCH, INC. (10.57K), UBS Group AG (8.05K), SageView Advisory Group, LLC (5.00K).