One Stop SystemsOSS

13F holders, Q2 2026 (June 30)
108holders +31
50new positions
19sold out
3famous investors
$18.15avg. 13F price*

At the end of Q2 2026, 108 institutions reported holding One Stop Systems Inc. (OSS) in their 13F filings, up 31 from Q1 2026. 50 opened new positions and 19 sold out. The largest holders were BlackRock, Inc. ($33.4M), Jane Street Group, LLC ($23.8M) and Vanguard Capital Management LLC ($17.7M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
One Stop Systems Inc.
CUSIP
68247W109
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q1 2024: 25Q1 2024Q2 2024: 34Q2 2024Q3 2024: 27Q3 2024Q4 2024: 37Q4 2024Q1 2025: 33Q1 2025Q2 2025: 39Q2 2025Q3 2025: 59Q3 2025Q4 2025: 69Q4 2025Q1 2026: 77Q1 2026Q2 2026: 108Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions50$38.0M
Exits19$8.9M

All 13F filers, Q1 2026 → Q2 2026: 5,056,223 shares bought and 2,724,579 shares sold, net +2,331,644 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 108 holders

BlackRock, Inc. 0.00% Add +207.7% 1,837,840 $33.4M
Jane Street Group, LLC 0.02% Add +49.7% 1,309,455 $23.8M
Vanguard Capital Management LLC 0.00% Add +1.6% 974,568 $17.7M
Geode Capital Management, LLC 0.00% Add +126.9% 572,918 $10.4M
Bard Associates Inc. 2.13% Reduce -2.6% 526,370 $9.6M
Palisades Investment Partners, LLC 2.14% New 414,392 $7.5M
Renaissance Technologies 0.01% Add +56.9% 407,860 $7.4M
State Street Corp. 0.00% Add +277.9% 384,259 $7.0M
Millennium Management 0.00% Reduce -15.7% 337,710 $6.1M
Qube Research & Technologies Ltd 0.01% New 318,919 $5.8M
Northern Trust Corp. 0.00% Add +279.1% 178,101 $3.2M
Two Sigma Investments, LP 0.00% New 162,193 $2.9M
Vanguard Fiduciary Trust Co. 0.00% Add +22.2% 157,365 $2.9M
Vanguard Portfolio Management LLC 0.00% New 155,408 $2.8M
Cambridge Investment Research Advisors, Inc. 0.01% Add +2.5% 149,292 $2.7M
New York State Common Retirement Fund 0.00% New 147,343 $2.7M
Dimensional Fund Advisors LP 0.00% New 146,871 $2.7M
Squarepoint Ops LLC 0.00% Add +124.6% 131,346 $2.4M
Informed Momentum Co LLC 0.21% Reduce -4.0% 130,568 $2.4M
DNB Asset Management AS 0.01% Reduce -53.0% 118,759 $2.2M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +34.4% 99,272 $1.8M
Trexquant Investment LP 0.01% Reduce -54.8% 98,442 $1.8M
Morgan Stanley 0.00% Reduce -79.4% 88,902 $1.6M
Osaic Holdings, Inc. 0.00% Add +5217.3% 86,513 $1.6M
Sei Investments Co. 0.00% Reduce -49.4% 84,393 $1.5M
Goldman Sachs Group Inc. 0.00% Reduce -2.3% 75,306 $1.4M
Eddie Patel Inc 0.79% Add +8.7% 72,895 $1.3M
UBS Group AG 0.00% Reduce -82.3% 72,184 $1.3M
Citadel Advisors 0.00% Reduce -80.0% 71,202 $1.3M
Russell Investments Group, Ltd. 0.00% New 66,596 $1.2M
Charles Schwab Investment Management Inc. 0.00% Add +405.6% 65,276 $1.2M
Bank of New York Mellon Corp 0.00% New 62,473 $1.1M
Raymond James Financial Inc. 0.00% New 61,924 $1.1M
Citigroup Inc. 0.00% Reduce -27.4% 54,956 $999K
LPL Financial LLC 0.00% New 54,225 $986K
SG Americas Securities, LLC 0.00% Add +67.8% 47,014 $855K
Engineers Gate Manager LP 0.01% Add +43.9% 41,732 $759K
Penbrook Management LLC 0.45% Reduce -16.8% 38,875 $707K
Polymer Capital Management (HK) LTD 0.07% New 38,000 $691K
Inspire Investing, LLC 0.03% New 37,967 $690K
Nuveen, LLC 0.00% New 36,308 $660K
Stifel Financial Corp. 0.00% Reduce -13.2% 32,920 $598K
Bank of America Corp. 0.00% Add +38.4% 32,151 $585K
Calamos Advisors LLC 0.00% New 31,973 $581K
Thompson Siegel & Walmsley LLC 0.01% Reduce -67.2% 31,788 $578K
Optimus Capital Advisors, LLC 0.29% New 30,000 $545K
Rhumbline Advisers 0.00% New 27,871 $507K
Acadian Asset Management LLC 0.00% New 27,282 $495K
Wells Fargo & Company 0.00% Add +2578.4% 26,784 $487K
Essex Investment Management Co. LLC 0.06% Reduce -27.8% 25,674 $467K
Deutsche Bank AG 0.00% New 22,348 $406K
Fox Run Management, L.L.C. 0.07% New 22,208 $404K
Baker Tilly Wealth Management, LLC 0.08% No change 20,000 $364K
Lodestone Wealth Management LLC 0.13% Add +188.7% 19,637 $357K
T. Rowe Price Associates Inc. 0.00% New 18,450 $336K
Occudo Quantitative Strategies LP 0.02% Add +31.9% 18,117 $329K
Caitong International Asset Management Co., Ltd 0.04% Add +377.3% 17,337 $315K
Apollon Wealth Management, LLC 0.00% Reduce -23.0% 16,195 $294K
State of Wyoming 0.03% New 15,423 $280K
Barclays PLC 0.00% Reduce -28.4% 14,679 $267K
Clear Street Group Inc. 0.00% New 14,250 $259K
Cornerstone Investment Partners, LLC 0.01% New 14,218 $258K
Marex Group Ltd 0.00% New 13,700 $249K
MetLife Investment Management, LLC 0.00% New 13,347 $243K
Cantor Fitzgerald, L. P. 0.00% New 13,049 $237K
LMR Partners LLP 0.00% New 12,571 $229K
Invesco Ltd. 0.00% New 12,209 $222K
McAdam, LLC 0.01% Reduce -4.3% 12,198 $222K
Brevan Howard Capital Management LP 0.00% Reduce -71.8% 12,168 $221K
Total Clarity Wealth Management, Inc. 0.04% New 11,494 $209K
Spark Investment Management LLC 0.40% New 11,400 $207K
Savant Capital, LLC 0.00% New 16,000 $206K
Choreo, LLC 0.00% No change 11,306 $206K
Connective Capital Management, LLC 0.14% New 11,198 $204K
HighTower Advisors, LLC 0.00% New 10,365 $188K
Strait & Sound Wealth Management LLC 0.06% Reduce -9.4% 10,000 $182K
JPMorgan Chase & Co. 0.00% New 9,315 $154K
Vanguard Global Advisers, LLC 0.00% Reduce -27.1% 7,884 $143K
Alliancebernstein L.P. 0.00% New 16,830 $127K
Police & Firemen's Retirement System of New Jersey 0.00% New 6,627 $120K
Quantbot Technologies LP 0.00% New 6,082 $111K
STRS Ohio 0.00% New 4,400 $80K
Global Retirement Partners, LLC 0.00% — 4,000 $73K
BNP Paribas Financial Markets 0.00% Add +95.3% 3,899 $71K
Smartleaf Asset Management LLC 0.00% No change 4,000 $66K
National Bank of Canada 0.00% New 3,500 $64K
NewEdge Advisors, LLC 0.00% Reduce -17.2% 2,500 $45K
Legal & General Group Plc 0.00% New 2,172 $39K
Ameritas Investment Partners, Inc. 0.00% New 2,039 $37K
Farther Finance Advisors, LLC 0.00% New 1,500 $27K
SBI Securities Co., Ltd. 0.00% Add +9700.0% 1,372 $25K
Tower Research Capital LLC (TRC) 0.00% Reduce -71.8% 1,340 $24K
Royal Bank of Canada 0.00% Add +138.2% 1,315 $24K
Jones Financial Companies LLLP 0.00% Add +742.0% 1,465 $24K
FMR LLC 0.00% Add +1678.6% 996 $18K
Lynrock Lake LP 0.00% No change 666 $12K
Hurley Capital, LLC 0.01% No change 622 $11K
Founders Capital Management 0.00% New 600 $11K
Steward Partners Investment Advisory, LLC 0.00% Add +197.0% 594 $11K
Arax Advisory Partners 0.00% Reduce -77.9% 546 $10K
Northwestern Mutual Wealth Management Co. 0.00% New 481 $9K
California State Teachers Retirement System 0.00% New 309 $6K
Strive Financial Group ,LLC 0.00% No change 100 $2K
Parallel Advisors, LLC 0.00% New 100 $2K
Sterling Capital Management LLC 0.00% New 79 $1K
Quarry LP 0.00% New 60 $1K
SHP Wealth Management 0.00% New 25 $455
Essential Investment Partners LLC 0.00% New 15 $273

"% of holder's portfolio" is OSS's weight in each manager's 13F, not the share of One Stop Systems Inc. the manager owns.