KossKOSS
13F holders, Q2 2026 (June 30)23holders
3new positions
3sold out
1famous investor
$4.01avg. 13F price*
At the end of Q2 2026, 23 institutions reported holding Koss Corp. (KOSS) in their 13F filings, unchanged from Q1 2026. 3 opened new positions and 3 sold out. The largest holders were Vanguard Capital Management LLC ($760K), BlackRock, Inc. ($381K) and Geode Capital Management, LLC ($239K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Koss Corp.
- CUSIP
- 500692108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $133K |
| Exits | 3 | $64K |
All 13F filers, Q1 2026 → Q2 2026: 44,859 shares bought and 26,872 shares sold, net +17,987 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 23 holders
| Vanguard Capital Management LLC | 0.00% | No change | 189,607 | $760K |
| BlackRock, Inc. | 0.00% | Add +6.0% | 94,977 | $381K |
| Geode Capital Management, LLC | 0.00% | Add +6.4% | 59,491 | $239K |
| Citadel Advisors | 0.00% | New | 33,058 | $133K |
| Vanguard Fiduciary Trust Co. | 0.00% | Reduce -1.9% | 30,740 | $123K |
| Dimensional Fund Advisors LP | 0.00% | Add +13.1% | 24,433 | $98K |
| State Street Corp. | 0.00% | No change | 17,974 | $72K |
| James Investment Research, Inc. | 0.01% | No change | 15,475 | $62K |
| NewEdge Advisors, LLC | 0.00% | No change | 15,475 | $62K |
| Northern Trust Corp. | 0.00% | Reduce -28.0% | 10,287 | $41K |
| UBS Group AG | 0.00% | Reduce -64.7% | 2,161 | $9K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 2,040 | $8K |
| Activest Wealth Management | 0.00% | No change | 1,000 | $4K |
| N.E.W. Advisory Services LLC | 0.00% | No change | 1,000 | $4K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -44.5% | 672 | $3K |
| Creative Financial Designs Inc. | 0.00% | No change | 300 | $1K |
| SBI Securities Co., Ltd. | 0.00% | No change | 120 | $481 |
| Morgan Stanley | 0.00% | No change | 80 | $321 |
| Osaic Holdings, Inc. | 0.00% | No change | 50 | $200 |
| Barclays PLC | 0.00% | New | 23 | $92 |
| Crewe Advisors LLC | 0.00% | No change | 20 | $81 |
| Parallel Advisors, LLC | 0.00% | Reduce -10.0% | 9 | $36 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 2 | $8 |
"% of holder's portfolio" is KOSS's weight in each manager's 13F, not the share of Koss Corp. the manager owns.