One Stop Systems (OSS)
Builds rugged computing, switching and storage systems for AI, sensor and autonomy applications.
$9.45
After-hours close+0.01 (+0.11%)
At close$9.44(+1.29%)
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13F · 13D/G · Form 4
| Institutions | ≈ 42.92% | 10.70M shares | |
|---|---|---|---|
| 120 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 11.75% | 2.93M shares | |
| 9 holders · as of Sep 4, 2026 | |||
| Other | ≈ 45.33% | 11.30M shares | |
| remainder | |||
24.94M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
13F, as of Jun 30, 2026
120 holders · 10.70M shares · 54 new positions · 83 increased · 24 reduced · 19 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 1.84M | 7.37% | +1.24M | Aug 7, 2026 |
| Jane Street Group, LLC | 1.31M | 5.25% | +434.9K | Aug 14, 2026 |
| Vanguard Capital Management LLC | 974.6K | 3.91% | +15.0K | Aug 13, 2026 |
| Geode Capital Management, LLC | 572.9K | 2.30% | +320.5K | Aug 12, 2026 |
| Bard Associates Inc | 526.4K | 2.11% | −14.3K | Aug 12, 2026 |
| Palisades Investment Partners, LLC | 414.4K | 1.66% | +414.4Knew | Aug 4, 2026 |
| Renaissance Technologies LLC | 407.9K | 1.64% | +147.9K | Aug 13, 2026 |
| State Street Corp | 384.3K | 1.54% | +282.6K | Aug 7, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 7.40% | 1.83M | 13G | Jul 29, 2026 |
| Jane Street Group, LLC | 5.60% | 1.39M | 13G | May 13, 2026 |
| Barclays PLC | 5.15% | 1.09M | 13G | Mar 21, 2025 |
| Ramya Rao | 5.15% | 1.09M | 13G | Feb 14, 2025 |
| Galkin Vladimir | 5.00% | 1.24M | 13G | Jul 24, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| May 26, 2026 | Mitchell H. Herbetsdirector | Sale | 5,000 | $17.62 | 48,984 |
| May 26, 2026 | Gregory W. Matzdirector | Sale | 8,000 | $17.52 | 78,914 |
| May 26, 2026 | David George Bassettdirector | Sale | 8,000 | $17.64 | 24,984 |
House and Senate disclosures
Not reported.