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Koss Corp

KOSS
Exchange
Nasdaq
Industry
Household Audio & Video Equipment
SEC CIK
0000056701

No open-market purchases or sales by Koss Corp insiders were filed in the last 90 days; 23 institutions reported holding it in 13F filings for Q2 2026, worth $2.00M in total; no superinvestor holds it.

Q1 2025 vs. Q4 2024

How the institutions holding Koss Corp changed between Q4 2024 and Q1 2025.

All holders in Q1 2025All holders in Q4 2024

13F holders of KOSS: Q4 2024 compared with Q1 2025
MeasureQ4 2024Q1 2025Change
Holders2822−6
Shares587.3K3.35M+2.77M (+471.2%)
Value$4.33M$15.8M+$11.5M (+265.3%)

New holders (3)

Institutions that held Koss Corp at the end of Q1 2025 but not at the end of Q4 2024.

Institutions new to KOSS in Q1 2025
InstitutionSharesValue% of portfolio
Lido Advisors, LLC2,892,662$13.7M0.08%
N.E.W. Advisory Services LLC2,000$9.44K0.00%
Citigroup Inc28$1320.00%

Sold out (9)

Institutions that held Koss Corp at the end of Q4 2024 and filed for Q1 2025 without it.

Institutions that sold out of KOSS in Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Marshall Wace, LLP60,580$447.1K
Citadel Advisors LLC28,725$212.0K
Jane Street Group, LLC16,982$125.3K
Susquehanna International Group, LLP13,919$102.7K
Virtu Financial LLC12,399$92.0K
R Squared Ltd1,480$10.9K
Caitong International Asset Management Co., Ltd69$509
BNP Paribas Arbitrage, SA24$177
Nelson, Van Denburg & Campbell Wealth Management Group, LLC7$51