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.
13F holders, Q3 2025
Institutional positions in Koss Corp as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 23
- +3 vs. Q2 2025
- Shares held
- 542.0K
- −2.83M (−83.9%) vs. Q2 2025
- Total value
- $2.75M
- −$14.4M (−84.0%) vs. Q2 2025
- New holders
- 5
- 4 more added
- Sold out
- 2
- 6 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting KOSS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 23 | $2.00M |
| Q1 2026 | 23 | $1.72M |
| Q4 2025 | 22 | $2.02M |
| Q3 2025 | 23 | $2.75M |
| Q2 2025 | 20 | $17.2M |
| Q1 2025 | 22 | $15.8M |
| Q4 2024 | 28 | $4.33M |
| Q3 2024 | 22 | $3.15M |
| Q2 2024 | 21 | $2.61M |
| Q1 2024 | 21 | $1.54M |
| Q4 2023 | 20 | $1.94M |
| Q3 2023 | 20 | $1.70M |
| Q2 2023 | 17 | $2.11M |
| Q1 2023 | 18 | $2.69M |
| Q4 2022 | 24 | $3.26M |
| Q3 2022 | 20 | $3.78M |
| Q2 2022 | 19 | $4.10M |
| Q1 2022 | 21 | $5.12M |
| Q4 2021 | 25 | $12.5M |
| Q3 2021 | 25 | $8.81M |
| Q2 2021 | 30 | $25.9M |
| Q1 2021 | 24 | $12.5M |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Koss Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 245,710 | $1.25M | 0.00% | −802−0.3% | Reduced |
| BlackRock, Inc. | 87,853 | $446.3K | 0.00% | +313+0.4% | Added |
| Geode Capital Management, LLC | 58,439 | $296.9K | 0.00% | +111+0.2% | Added |
| Dimensional Fund Advisors LP | 23,342 | $118.6K | 0.00% | +12,661+118.5% | Added |
| State Street Corp | 17,974 | $91.3K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 17,006 | $86.4K | 0.00% | +17,006 | New |
| Susquehanna International Group, LLP | 14,558 | $74.0K | 0.00% | +14,558 | New |
| Northern Trust Corp | 14,422 | $73.3K | 0.00% | −922−6.0% | Reduced |
| UBS Group AG | 13,607 | $69.1K | 0.00% | +5,858+75.6% | Added |
| Two Sigma Investments, LP | 13,355 | $67.8K | 0.00% | +13,355 | New |
| James Investment Research Inc | 10,575 | $53.7K | 0.01% | 00.0% | Unchanged |
| GWM Advisors LLC | 10,575 | $53.7K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 7,000 | $35.6K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 3,080 | $15.6K | 0.00% | −1,613−34.4% | Reduced |
| Activest Wealth Management | 1,000 | $5.08K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,019 | $5.00K | 0.00% | −425−29.4% | Reduced |
| Citigroup Inc | 978 | $4.97K | 0.00% | +978 | New |
| Tower Research Capital LLC (TRC) | 673 | $3.42K | 0.00% | +673 | New |
| Bank of America Corp | 302 | $1.53K | 0.00% | −48−13.7% | Reduced |
| Creative Financial Designs Inc | 300 | $1.52K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 120 | $610 | 0.00% | −1−0.8% | Reduced |
| Advisor Group Holdings, Inc. | 50 | $310 | 0.00% | 00.0% | Unchanged |
| Crewe Advisors LLC | 20 | $102 | 0.00% | 00.0% | Unchanged |
| Lido Advisors, LLC | 0 | $0 | 0.00% | −2,892,662−100.0% | Sold out |
| Bangor Savings Bank | 0 | $0 | 0.00% | −150−100.0% | Sold out |