Filing Flows › Koss (KOSS) › Who owns the stock
Who owns Koss (KOSS) stock
21 funds reported Koss (KOSS) shares in their latest 13F filings, worth $2.9M in all. The largest holder is Vanguard Group ($923K). Last quarter 5 funds added to their stakes and 7 cut them.
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| Vanguard Group | 222,991 | $923K | decrease | 2025-12-31 |
| Vanguard Capital Management LLC | 189,607 | $760K | unchanged | 2026-06-30 |
| BlackRock | 94,977 | $381K | increase | 2026-06-30 |
| Geode Capital Management, LLC | 59,491 | $239K | increase | 2026-06-30 |
| Citadel Advisors LLC | 33,058 | $133K | new | 2026-06-30 |
| Vanguard Fiduciary Trust | 30,740 | $123K | decrease | 2026-06-30 |
| Dimensional Fund Advisors LP | 24,433 | $98K | increase | 2026-06-30 |
| State Street | 17,974 | $72K | unchanged | 2026-06-30 |
| James Investment Research | 15,475 | $62K | unchanged | 2026-09-30 |
| NewEdge Advisors, LLC | 15,475 | $62K | unchanged | 2026-06-30 |
| Northern Trust | 10,287 | $41K | decrease | 2026-06-30 |
| UBS Group AG | 2,161 | $9K | decrease | 2026-06-30 |
| Vanguard Global Advisers, LLC | 2,040 | $8K | unchanged | 2026-06-30 |
| N.E.W. Advisory Services LLC | 1,000 | $4K | unchanged | 2026-06-30 |
| Tower Research Capital LLC | 672 | $3K | decrease | 2026-06-30 |
Koss' latest quarter
Koss, Q1 FY27: revenue $3.1M (-24% year over year), operating margin -12.9%, net loss $234K, operating cash flow −$524K. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most KOSS stock?
By the latest 13F filings: Vanguard Group ($923K); Vanguard Capital Management LLC ($760K); BlackRock ($381K); Geode Capital Management, LLC ($239K); Citadel Advisors LLC ($133K).
What is the short interest in KOSS?
119,085 shares were sold short at the 2026-10-15 settlement, 6.7% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.