| Koss Family Voting Trust | Institution | 2.696.634 | 28,49% | US$ 10,96M | 2026-02-17 |
| Mr. Michael Koss | Insider | 932.708 | 9,85% | US$ 3,79M | 2026-02-17 |
| Mr. John Koss | Insider | 270.176 | 2,85% | US$ 1,10M | 2025-08-25 |
| Koss Foundation | Institution | 217.068 | 2,29% | US$ 882,38k | 2025-08-25 |
| Vanguard Capital Management, LLC | Institution | 189.607 | 2,00% | US$ 770,75k | 2026-03-31 |
| BlackRock, Inc. | Institution | 89.601 | 0,95% | US$ 364,23k | 2026-03-31 |
| Geode Capital Management, LLC | Institution | 55.913 | 0,59% | US$ 227,29k | 2026-03-31 |
| Vanguard Fiduciary Trust Company | Institution | 31.334 | 0,33% | US$ 127,37k | 2026-03-31 |
| Mr. William Sweasy | Insider | 30.000 | 0,32% | US$ 121,95k | 2025-08-25 |
| Mr. Michael Koss | Insider | 26.012 | 0,27% | US$ 105,74k | 2026-05-06 |
| Dimensional Fund Advisors LP | Institution | 21.611 | 0,23% | US$ 87,85k | 2026-03-31 |
| State Street Global Advisors, Inc. | Institution | 17.974 | 0,19% | US$ 73,06k | 2026-03-31 |
| James Investment Research, Inc. | Institution | 15.475 | 0,16% | US$ 62,91k | 2026-03-31 |
| Northern Trust Global Investments | Institution | 14.285 | 0,15% | US$ 58,07k | 2026-03-31 |
| XTX Markets Limited | Institution | 10.786 | 0,11% | US$ 43,85k | 2026-03-31 |
| NewEdge Advisors, LLC | Institution | 10.575 | 0,11% | US$ 42,99k | 2025-12-31 |
| Mr. Steven Leveen | Insider | 10.000 | 0,11% | US$ 40,65k | 2025-08-25 |
| Bridgeway Capital Management, LLC | Institution | 6.323 | 0,07% | US$ 25,70k | 2025-12-31 |
| UBS Asset Management AG | Institution | 6.113 | 0,06% | US$ 24,85k | 2026-03-31 |
| SageView Advisory Group, LLC | Institution | 5.000 | 0,05% | US$ 20,33k | 2025-12-31 |
| The PNC Financial Services Group, Inc. | Institution | 3.500 | 0,04% | US$ 14,23k | 2026-03-31 |
| Ms. Lenore Lillie | Insider | 2.500 | 0,03% | US$ 10,16k | 2025-12-02 |
| Vanguard Global Advisers, LLC | Institution | 2.040 | 0,02% | US$ 8,29k | 2026-03-31 |
| Tower Research Capital Europe Limited | Institution | 1.212 | 0,01% | US$ 4,93k | 2026-03-31 |
| Lord, Abbett & Co. LLC | Institution | 1.055 | 0,01% | US$ 4,29k | 2026-03-31 |
| N.E.W. Advisory Services, LLC | Institution | 1.000 | 0,01% | US$ 4,07k | 2026-03-31 |
| Activest Wealth Management, LLC | Institution | 1.000 | 0,01% | US$ 4,07k | 2026-03-31 |
| Creative Financial Designs, Inc. | Institution | 300 | 0,00% | US$ 1,22k | 2026-03-31 |
| SBI Holdings, Inc. | Institution | 120 | 0,00% | US$ 487,80 | 2026-03-31 |