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Who owns One Stop Systems (OSS) stock

102 funds reported One Stop Systems (OSS) shares in their latest 13F filings, worth $194M in all. The largest holder is BlackRock ($33.4M). Last quarter 68 funds added to their stakes and 41 cut them.

Largest holders of OSS (13F)Largest holders of OSS (13F)BlackRock$33.4MJane Street Group, LLC$23.8MVanguard Capital Management LLC$17.7MGeode Capital Management, LLC$10.4MBard Associates$9.6MVanguard Group$7.6MRenaissance Technologies LLC$7.4MState Street$7.0MMillennium Management LLC$6.1MQube Research & Technologies$5.8M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock1,837,840$33.4Mincrease2026-06-30
Jane Street Group, LLC1,309,455$23.8Mincrease2026-06-30
Vanguard Capital Management LLC974,568$17.7Mincrease2026-06-30
Geode Capital Management, LLC572,918$10.4Mincrease2026-06-30
Bard Associates526,370$9.6Mdecrease2026-06-30
Vanguard Group1,054,266$7.6Mincrease2025-12-31
Renaissance Technologies LLC407,860$7.4Mincrease2026-06-30
State Street384,259$7.0Mincrease2026-06-30
Millennium Management LLC337,710$6.1Mdecrease2026-06-30
Qube Research & Technologies318,919$5.8Mnew2026-06-30
Palisades Investment Partners, LLC657,503$5.7Mincrease2026-09-30
Northern Trust178,101$3.2Mincrease2026-06-30
Two Sigma Investments, LP162,193$2.9Mnew2026-06-30
Vanguard Fiduciary Trust157,365$2.9Mincrease2026-06-30
Vanguard Portfolio Management LLC155,408$2.8Mnew2026-06-30

One Stop Systems' latest quarter

One Stop Systems, Q3 2026: revenue $12.6M (+36% year over year), operating margin -6.6%, net loss $594K, operating cash flow −$11.8M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most OSS stock?

By the latest 13F filings: BlackRock ($33.4M); Jane Street Group, LLC ($23.8M); Vanguard Capital Management LLC ($17.7M); Geode Capital Management, LLC ($10.4M); Bard Associates ($9.6M).

What is the short interest in OSS?

3,664,448 shares were sold short at the 2026-10-15 settlement, -18.23% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.