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
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 50 | $38.0M |
| Exits | 19 | $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 |
"% of holder's portfolio" is OSS's weight in each manager's 13F, not the share of One Stop Systems Inc. the manager owns.