KossKOSS
13F holders, Q4 2024 (December 31)28holders +6
6new positions
3sold out
1famous investor
$7.38avg. 13F price*
At the end of Q4 2024, 28 institutions reported holding Koss Corp. (KOSS) in their 13F filings, up 6 from Q3 2024. 6 opened new positions and 3 sold out. The largest holders were Vanguard Group Inc. ($1.9M), BlackRock, Inc. ($557K) and Marshall Wace, LLP ($447K). 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 Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $979K |
| Exits | 3 | $14K |
All 13F filers, Q3 2024 → Q4 2024: 162,472 shares bought and 2,986 shares sold, net +159,486 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 28 holders
| Vanguard Group Inc. | 0.00% | No change | 250,941 | $1.9M |
| BlackRock, Inc. | 0.00% | Add +45.0% | 75,506 | $557K |
| Marshall Wace, LLP | 0.00% | New | 60,580 | $447K |
| Geode Capital Management, LLC | 0.00% | Reduce -1.7% | 60,158 | $444K |
| Citadel Advisors | 0.00% | New | 28,725 | $212K |
| State Street Corp. | 0.00% | No change | 17,974 | $133K |
| Jane Street Group, LLC | 0.00% | New | 16,982 | $125K |
| Susquehanna International Group, LLP | 0.00% | New | 13,919 | $103K |
| Virtu Financial LLC | 0.00% | New | 12,399 | $92K |
| Northern Trust Corp. | 0.00% | No change | 12,164 | $90K |
| James Investment Research, Inc. | 0.01% | No change | 10,575 | $78K |
| NewEdge Advisors, LLC | 0.00% | No change | 10,575 | $78K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 7,000 | $52K |
| UBS Group AG | 0.00% | Add +97875.0% | 3,919 | $29K |
| Morgan Stanley | 0.00% | Add +2500.0% | 2,080 | $15K |
| R Squared Ltd | 0.01% | — | 1,480 | $11K |
| Activest Wealth Management | 0.00% | No change | 1,000 | $7K |
| Royal Bank of Canada | 0.00% | Add +180.8% | 730 | $5K |
| Creative Financial Designs Inc. | 0.00% | No change | 300 | $2K |
| Caitong International Asset Management Co., Ltd | 0.00% | — | 69 | $509 |
| Osaic Holdings, Inc. | 0.00% | No change | 50 | $369 |
| Bank of America Corp. | 0.00% | Reduce -21.8% | 43 | $317 |
| BNP Paribas Financial Markets | 0.00% | Add +140.0% | 24 | $177 |
| Crewe Advisors LLC | 0.00% | No change | 20 | $148 |
| PSI Advisors, LLC | 0.00% | New | 20 | $148 |
| SBI Securities Co., Ltd. | 0.00% | — | 11 | $81 |
| Avior Wealth Management, LLC | 0.00% | No change | 7 | $51 |
| Guardian Wealth Management, Inc. | 0.00% | Add +500.0% | 6 | $44 |
"% of holder's portfolio" is KOSS's weight in each manager's 13F, not the share of Koss Corp. the manager owns.