Koss (KOSS)
Designs and sells stereo headphones and related audio accessories.
$3.61
vs last close+0.10 (+3.00%)
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13F · 13D/G · Form 4
| Institutions | 5.27% | 499.0K shares | |
|---|---|---|---|
| 23 holders · as of Jun 30, 2026 | |||
| Insiders | 2.37% | 224.5K shares | |
| 3 holders · as of Dec 4, 2025 | |||
| Other | 92.36% | 8.74M shares | |
| remainder | |||
9.47M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
13F, as of Jun 30, 2026
23 holders · 499.0K shares · 3 new positions · 6 increased · 5 reduced · 3 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Vanguard Capital Management LLC | 189.6K | 2.00% | 0 | Aug 13, 2026 |
| BlackRock, Inc. | 95.0K | 1.00% | +5.4K | Aug 7, 2026 |
| Geode Capital Management, LLC | 59.5K | 0.63% | +3.6K | Aug 12, 2026 |
| Citadel Advisors LLC | 33.1K | 0.35% | +33.1Knew | Sep 2, 2026 |
| Vanguard Fiduciary Trust Co | 30.7K | 0.32% | −594 | Aug 13, 2026 |
| Dimensional Fund Advisors LP | 24.4K | 0.26% | +2.8K | Aug 11, 2026 |
| State Street Corp | 18.0K | 0.19% | 0 | Aug 7, 2026 |
| James Investment Research Inc | 15.5K | 0.16% | 0 | Jul 24, 2026 |
13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Dec 2, 2025 | Lenore Lilliedirector | Purchase | 2,500 | $4.96 | 2,500 |
House and Senate disclosures
Not reported.