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.
Q3 2025 vs. Q2 2025
How the institutions holding Koss Corp changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Q3 2025 | Change |
|---|---|---|---|
| Holders | 20 | 23 | +3 |
| Shares | 3.37M | 542.0K | −2.83M (−83.9%) |
| Value | $17.2M | $2.75M | −$14.4M (−84.0%) |
New holders (5)
Institutions that held Koss Corp at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Goldman Sachs Group Inc | 17,006 | $86.4K | 0.00% |
| Susquehanna International Group, LLP | 14,558 | $74.0K | 0.00% |
| Two Sigma Investments, LP | 13,355 | $67.8K | 0.00% |
| Citigroup Inc | 978 | $4.97K | 0.00% |
| Tower Research Capital LLC (TRC) | 673 | $3.42K | 0.00% |
Sold out (2)
Institutions that held Koss Corp at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Lido Advisors, LLC | 2,892,662 | $14.8M |
| Bangor Savings Bank | 150 | $765 |