Who owns ONE STOP SYSTEMS, INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of OSS from SEC Form 13F filings across 110 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 110 institutions disclosed 10.7M shares of ONE STOP SYSTEMS, INC. worth $189.6M — about 43.2% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
110
13F holders
$189.6M
value, 2026 filers
43.2%
of shares outstanding (10.7M sh)
54
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of OSS's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 1.8M | $33.4M | 0.0% | 7.4% | +207.7% |
| 2 | JANE STREET GROUP, LLC | 1.3M | $23.8M | 0.0% | 5.3% | +49.7% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 974,568 | $17.7M | 0.0% | 3.9% | +1.6% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 572,918 | $10.4M | 0.0% | 2.3% | +126.9% |
| 5 | BARD ASSOCIATES INC | 526,370 | $9.6M | 2.1% | 2.1% | -2.6% |
| 6 | Palisades Investment Partners, LLCNEW | 414,392 | $7.5M | 2.1% | 1.7% | new |
| 7 | RENAISSANCE TECHNOLOGIES LLC | 407,860 | $7.4M | 0.0% | 1.6% | +56.9% |
| 8 | STATE STREET CORP | 384,259 | $7.0M | 0.0% | 1.5% | +277.9% |
| 9 | MILLENNIUM MANAGEMENT LLC | 337,710 | $6.1M | 0.0% | 1.4% | -15.7% |
| 10 | Qube Research & Technologies LtdNEW | 318,919 | $5.8M | 0.0% | 1.3% | new |
| 11 | NORTHERN TRUST CORP | 178,101 | $3.2M | 0.0% | 0.7% | +279.1% |
| 12 | TWO SIGMA INVESTMENTS, LPNEW | 162,193 | $2.9M | 0.0% | 0.7% | new |
| 13 | VANGUARD FIDUCIARY TRUST CO | 157,365 | $2.9M | 0.0% | 0.6% | +22.2% |
| 14 | VANGUARD PORTFOLIO MANAGEMENT LLCNEW | 155,408 | $2.8M | 0.0% | 0.6% | new |
| 15 | Cambridge Investment Research Advisors, Inc. | 149,292 | $2,714 | 0.0% | 0.6% | +2.5% |
| 16 | NEW YORK STATE COMMON RETIREMENT FUNDNEW | 147,343 | $2.7M | 0.0% | 0.6% | new |
| 17 | DIMENSIONAL FUND ADVISORS LPNEW | 146,871 | $2.7M | 0.0% | 0.6% | new |
| 18 | Squarepoint Ops LLC | 131,346 | $2.4M | 0.0% | 0.5% | +124.6% |
| 19 | Informed Momentum Co LLC | 130,568 | $2.4M | 0.2% | 0.5% | -4.0% |
| 20 | DNB Asset Management AS | 118,759 | $2.2M | 0.0% | 0.5% | -53.0% |
| 21 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 99,272 | $1.8M | 0.0% | 0.4% | +34.4% |
| 22 | Trexquant Investment LP | 98,442 | $1.8M | 0.0% | 0.4% | -54.8% |
| 23 | MORGAN STANLEY | 88,902 | $1.6M | 0.0% | 0.4% | -79.4% |
| 24 | OSAIC HOLDINGS, INC. | 86,513 | $1.6M | 0.0% | 0.3% | +5217.3% |
| 25 | SEI INVESTMENTS CO | 84,393 | $1.5M | 0.0% | 0.3% | -49.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.