Koss Corp (KOSS) Institutional Ownership

Ownership Summary

Recent 13F filings as of September 2025 show that 23 institutional investors hold a position in Koss Corp (NASDAQ:KOSS).

• Koss saw its institutional ownership percentage fell to 6.6% in September 2025 from 29.0% in June 2025.
• In percentage terms, this reflects as a holdings change of 12.94% quarter on quarter, and no change year over year.
• Of these 23 institutional investors, 9 increased their holdings in Koss, while 6 of them reduced positions, and 8 investors maintained their exposure.
• This class of investors increased its holdings in Koss to 538.46K shares for the 13F-cycle ending September 2025, up by 61.70K shares quarter on quarter, and up 115.75K shares year over year.
• VANGUARD GROUP INC continues to be the largest institutional holder of Koss as of September 30, 2025, with a position of 245.71K shares, representing 3.02% of the company's outstanding stock.
• Among the most significant buyers of Koss during September 2025 were GOLDMAN SACHS GROUP INC (17.01K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (14.56K), TWO SIGMA INVESTMENTS, LP (13.36K), DIMENSIONAL FUND ADVISORS LP (12.66K), UBS Group AG (5.86K).
• Leading sellers of Koss stock in September 2025 included MORGAN STANLEY (1.61K), NORTHERN TRUST CORP (922), VANGUARD GROUP INC (802), ROYAL BANK OF CANADA (425), BANK OF AMERICA CORP /DE/ (48).
• The top 10 institutional holders of Koss for the quarter ending September 2025 included VANGUARD GROUP INC (245.71K), BlackRock, Inc. (87.85K), GEODE CAPITAL MANAGEMENT, LLC (58.44K), DIMENSIONAL FUND ADVISORS LP (23.34K), STATE STREET CORP (17.97K), GOLDMAN SACHS GROUP INC (17.01K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (14.56K), NORTHERN TRUST CORP (14.42K), UBS Group AG (13.61K), TWO SIGMA INVESTMENTS, LP (13.36K).