目前共有 23 家機構持有 KOSS，以下依持股市值由高至低排序。
| 主要持有機構 | 總市值 | 平均佔比 |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | US$67.9萬 | 0.00% |
| BlackRock, Inc. | US$32.1萬 | 0.00% |
| GEODE CAPITAL MANAGEMENT, LLC | US$20.0萬 | 0.00% |
| VANGUARD FIDUCIARY TRUST CO | US$11.2萬 | 0.00% |
| DIMENSIONAL FUND ADVISORS LP | US$7.7萬 | 0.00% |
| STATE STREET CORP | US$6.4萬 | 0.00% |
| JAMES INVESTMENT RESEARCH, INC. | US$5.5萬 | 0.01% |
| NORTHERN TRUST CORP | US$5.1萬 | 0.00% |
| XTX Topco Ltd | US$3.9萬 | 0.00% |
| PNC FINANCIAL SERVICES GROUP, INC. | US$2.5萬 | 0.00% |
| UBS Group AG | US$2.2萬 | 0.00% |
| NewEdge Advisors, LLC | US$1.5萬 | 0.00% |
| Vanguard Global Advisers, LLC | US$7303.0 | 0.00% |
| Tower Research Capital LLC (TRC) | US$4339.0 | 0.00% |
| Activest Wealth Management | US$3580.0 | 0.00% |
| N.E.W. Advisory Services LLC | US$3580.0 | 0.00% |
| CREATIVE FINANCIAL DESIGNS INC /ADV | US$1074.0 | 0.00% |
| SBI Securities Co., Ltd. | US$430.0 | 0.00% |
| MORGAN STANLEY | US$286.0 | 0.00% |
| OSAIC HOLDINGS, INC. | US$179.0 | 0.00% |
| Crewe Advisors LLC | US$72.0 | 0.00% |
| Parallel Advisors, LLC | US$36.0 | 0.00% |
| CITIGROUP INC | US$4.0 | 0.00% |