Who Owns ONE STOP SYS INC (OSS)? -- Institutional Holders (2026-06-30)

128 institutions reported holding $254.6M of ONE STOP SYS INC (OSS) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($33.4M), JANE STREET GROUP, LLC ($29.2M), VANGUARD GROUP INC ($23.5M), CITADEL ADVISORS LLC ($21.3M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($14.6M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1BlackRock, Inc.$33.4M1.8MAdded
2JANE STREET GROUP, LLC$29.2M1.6MAdded
3VANGUARD GROUP INC$23.5M1.3MAdded
4CITADEL ADVISORS LLC$21.3M1.2MAdded
5SUSQUEHANNA INTERNATIONAL GROUP, LLP$14.6M801,100Added
6GEODE CAPITAL MANAGEMENT, LLC$10.4M572,918Added
7BARD ASSOCIATES INC$9.6M526,370Trimmed
8Palisades Investment Partners, LLC$7.5M414,392New
9RENAISSANCE TECHNOLOGIES LLC$7.4M407,860Added
10IMC-Chicago, LLC$7.2M396,500Added
11STATE STREET CORP$7.0M384,259Added
12MILLENNIUM MANAGEMENT LLC$6.1M337,710Trimmed
13Qube Research & Technologies Ltd$5.8M318,919New
14GROUP ONE TRADING LLC$4.4M241,000Trimmed
15PEAK6 LLC$3.6M199,700New
16NORTHERN TRUST CORP$3.2M178,101Added
17SIMPLEX TRADING, LLC$3.0M166,400Added
18TWO SIGMA INVESTMENTS, LP$2.9M162,193New
19Cambridge Investment Research Advisors, Inc.$2.7M149,292Added
20NEW YORK STATE COMMON RETIREMENT FUND$2.7M147,343New
21DIMENSIONAL FUND ADVISORS LP$2.7M146,871New
22Squarepoint Ops LLC$2.4M131,346Added
23Informed Momentum Co LLC$2.4M130,568Trimmed
24DNB ASSET MANAGEMENT AS$2.2M118,759Trimmed
25MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$1.8M99,272Added

Source: SEC Form 13F filings · as of 2026-06-30