KOSS CORP - KOSS
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | History | No change | 222,991 | 923 | 0.0% | 0.0% | 1 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 189,607 | 678 | 0.0% | — | 2 | +189,607 | New | Q1 2026 | May 15, 2026 |
| BlackRock, Inc. | History | Added to | 89,601 | 320 | 0.0% | 0.0% | 3 | +1,196 | 1.35% | Q1 2026 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 55,913 | 200 | 0.0% | 0.0% | 4 | -4,429 | -7.34% | Q1 2026 | May 15, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 31,334 | 112 | 0.0% | — | 5 | +31,334 | New | Q1 2026 | May 08, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 21,611 | 77 | 0.0% | 0.0% | 6 | -1,731 | -7.42% | Q1 2026 | May 07, 2026 |
| STATE STREET CORP | History | No change | 17,974 | 64 | 0.0% | 0.0% | 7 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| JAMES INVESTMENT RESEARCH, INC. | History | Added to | 15,475 | 55 | 0.01% | 0.0% | 8 | +4,900 | 46.34% | Q1 2026 | Apr 24, 2026 |
| NORTHERN TRUST CORP | History | No change | 14,285 | 51 | 0.0% | 0.0% | 9 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| XTX Topco Ltd | History | Reduced | 10,786 | 38 | 0.0% | 0.0% | 10 | -1,399 | -11.48% | Q1 2026 | May 15, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | No change | 7,000 | 25 | 0.0% | 0.0% | 11 | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| UBS Group AG | History | Reduced | 6,113 | 21 | 0.0% | 0.0% | 12 | -1,939 | -24.08% | Q1 2026 | May 05, 2026 |
| SageView Advisory Group, LLC | History | No change | 5,000 | 20 | 0.0% | 0.0% | 13 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| NewEdge Advisors, LLC | History | Added to | 15,475 | 15 | 0.0% | 0.0% | 14 | +4,900 | 46.34% | Q1 2026 | May 15, 2026 |
| Vanguard Global Advisers, LLC | History | New | 2,040 | 7 | 0.0% | — | 15 | +2,040 | New | Q1 2026 | May 08, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 1,212 | 4 | 0.0% | 0.0% | 16 | +429 | 54.79% | Q1 2026 | May 15, 2026 |
| N.E.W. Advisory Services LLC | History | No change | 1,000 | 3 | 0.0% | 0.0% | 17 | 0 | 0.0% | Q1 2026 | May 04, 2026 |
| Activest Wealth Management | History | No change | 1,000 | 3 | 0.0% | 0.0% | 18 | 0 | 0.0% | Q1 2026 | Apr 15, 2026 |
| CREATIVE FINANCIAL DESIGNS INC /ADV | History | No change | 300 | 1 | 0.0% | 0.0% | 19 | 0 | 0.0% | Q1 2026 | Apr 13, 2026 |
| MORGAN STANLEY | History | Reduced | 80 | 0 | — | 0.0% | — | -3,000 | -97.4% | Q1 2026 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Closed out | 0 | 0 | — | — | — | -208 | -100.0% | Q1 2026 | May 15, 2026 |
| Fairway Wealth LLC | History | Closed out | 0 | 0 | — | — | — | -34 | -100.0% | Q1 2026 | Apr 23, 2026 |
| Parallel Advisors, LLC | History | New | 10 | 0 | — | — | — | +10 | New | Q1 2026 | May 07, 2026 |
| CITIGROUP INC | History | New | 1 | 0 | — | — | — | +1 | New | Q1 2026 | May 11, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 50 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Crewe Advisors LLC | History | No change | 20 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 07, 2026 |
| SBI Securities Co., Ltd. | History | No change | 120 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 27, 2026 |