ONE STOP SYSTEMS INC (OSS) Institutional Ownership Changes & 13F Activity

ONE STOP SYSTEMS INC (OSS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC and Ariel Appreciation Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCSell-115,741259,960$1,967,897
Q4 2025Renaissance Technologies LLCSell-17,459375,701$2,697,533
Q3 2025Renaissance Technologies LLCBuy291,300393,160$2,107,338
Q2 2025Renaissance Technologies LLCBuy9,000101,860$361,603
Q1 2025Renaissance Technologies LLCBuy22,96092,860$215,435
Q4 2024Renaissance Technologies LLCBuy3,00069,900$234,165
Q3 2024Renaissance Technologies LLCBuy5,70066,900$159,891
Q2 2024Renaissance Technologies LLCBuy8,30061,200$147,492
Q1 2024Renaissance Technologies LLCBuy9,70052,900$172
Q4 2023Renaissance Technologies LLCBuy4,70043,200$91
Q3 2023Renaissance Technologies LLCSell-14,10038,500$71
Q2 2023Renaissance Technologies LLCSell-11,91452,600$151
Q1 2023Renaissance Technologies LLCBuy2,20164,514$160
Q4 2022Renaissance Technologies LLCSell-27,05962,313$188
Q3 2022Renaissance Technologies LLCSell-42,68589,372$286
Q2 2022Renaissance Technologies LLCSell-115,643132,057$520
Q1 2022Renaissance Technologies LLCSell-173,877247,700$946
Q4 2021Renaissance Technologies LLCBuy85,477421,577$2,087
Q3 2021Renaissance Technologies LLCBuy94,200336,100$1,691
Q2 2021Renaissance Technologies LLCBuy205,900241,900$1,401
Q1 2021Ariel Appreciation FundSell-64,26723,745$151
Q4 2020Ariel Appreciation FundBuy16,75288,012$352
Q4 2020Renaissance Technologies LLCSell-14,70036,000$144
Q3 2020Ariel Appreciation FundBuy71,26071,260$150
Q2 2020Renaissance Technologies LLCSell-8,21050,700$100
Q1 2020Renaissance Technologies LLCBuy43,49058,910$85
Q4 2019Renaissance Technologies LLCBuy15,42015,420$31

Frequently asked questions about OSS activity

  • Which institutional owners are buying OSS?

    Institutional owners buying OSS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in OSS activity?

    "Buy" means an investor increased their reported position in OSS compared to the prior reporting period. This reflects growing exposure to ONE STOP SYSTEMS INC (OSS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in OSS increasing?

    Institutional interest in OSS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

Related OSS Institutional Insights