One Stop SystemsOSS
13F holders, Q4 2025 (December 31)69holders +10
21new positions
10sold out
4famous investors
$7.18avg. 13F price*
At the end of Q4 2025, 69 institutions reported holding One Stop Systems Inc. (OSS) in their 13F filings, up 10 from Q3 2025. 21 opened new positions and 10 sold out. The largest holders were Vanguard Group Inc. ($7.6M), Bard Associates Inc. ($6.1M) and Arrowstreet Capital, Limited Partnership ($5.0M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- One Stop Systems Inc.
- CUSIP
- 68247W109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 21 | $7.2M |
| Exits | 10 | $3.3M |
All 13F filers, Q3 2025 → Q4 2025: 2,527,832 shares bought and 2,686,494 shares sold, net −158,662 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 69 holders
| Vanguard Group Inc. | 0.00% | Add +20.8% | 1,054,266 | $7.6M |
| Bard Associates Inc. | 1.57% | Reduce -7.2% | 850,858 | $6.1M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +25.6% | 693,493 | $5.0M |
| Lynrock Lake LP | 0.65% | Reduce -53.9% | 665,918 | $4.8M |
| Jane Street Group, LLC | 0.01% | Add +85.2% | 603,805 | $4.3M |
| Pacific Ridge Capital Partners, LLC | 0.68% | Reduce -3.0% | 432,361 | $3.1M |
| Renaissance Technologies | 0.00% | Reduce -4.4% | 375,701 | $2.7M |
| Archon Capital Management LLC | 1.34% | Reduce -31.5% | 326,812 | $2.3M |
| Marshall Wace, LLP | 0.00% | Reduce -45.3% | 273,935 | $2.0M |
| Susquehanna International Group, LLP | 0.00% | Add +44.0% | 259,072 | $1.9M |
| Trexquant Investment LP | 0.02% | Add +177.3% | 256,810 | $1.8M |
| Two Sigma Investments, LP | 0.00% | Add +69.8% | 253,294 | $1.8M |
| Geode Capital Management, LLC | 0.00% | Add +12.8% | 238,495 | $1.7M |
| BNP Paribas Financial Markets | 0.00% | New | 228,336 | $1.6M |
| Acadian Asset Management LLC | 0.00% | Add +128.7% | 185,992 | $1.3M |
| Informed Momentum Co LLC | 0.13% | No change | 162,973 | $1.2M |
| Thompson Siegel & Walmsley LLC | 0.02% | Reduce -23.4% | 153,124 | $1.1M |
| DNB Asset Management AS | 0.00% | Add +883.4% | 152,901 | $1.1M |
| Squarepoint Ops LLC | 0.00% | Add +152.7% | 147,960 | $1.1M |
| Citadel Advisors | 0.00% | Reduce -83.2% | 145,676 | $1.0M |
| BlackRock, Inc. | 0.00% | Add +46.6% | 137,444 | $987K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -10.8% | 128,749 | $924K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | New | 113,038 | $812K |
| Manatuck Hill Partners, LLC | 0.25% | Add +100.0% | 100,000 | $718K |
| Sei Investments Co. | 0.00% | New | 99,848 | $717K |
| 683 Capital Management, LLC | 0.06% | New | 90,253 | $648K |
| State Street Corp. | 0.00% | Reduce -0.5% | 84,576 | $607K |
| Essex Investment Management Co. LLC | 0.08% | Add +22.6% | 69,356 | $498K |
| JPMorgan Chase & Co. | 0.00% | New | 68,394 | $491K |
| Morgan Stanley | 0.00% | Add +10.7% | 62,240 | $447K |
| Two Sigma Advisers, LP | 0.00% | Add +99.7% | 55,500 | $398K |
| XTX Topco Ltd | 0.01% | Reduce -24.0% | 54,806 | $394K |
| Qube Research & Technologies Ltd | 0.00% | New | 54,309 | $390K |
| Belpointe Asset Management LLC | 0.01% | New | 52,000 | $373K |
| Point72 Asset Management | 0.00% | New | 51,093 | $367K |
| OMERS ADMINISTRATION Corp | 0.00% | New | 48,200 | $346K |
| Dimensional Fund Advisors LP | 0.00% | Add +0.5% | 47,163 | $339K |
| Penbrook Management LLC | 0.23% | Reduce -1.4% | 46,740 | $336K |
| Northern Trust Corp. | 0.00% | Add +16.7% | 41,923 | $301K |
| Millennium Management | 0.00% | Add +97.8% | 41,510 | $298K |
| Occudo Quantitative Strategies LP | 0.02% | Reduce -2.8% | 35,605 | $256K |
| Engineers Gate Manager LP | 0.00% | Reduce -1.1% | 33,853 | $243K |
| Hudson Bay Capital Management LP | 0.00% | New | 32,688 | $235K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 32,471 | $233K |
| Hillsdale Investment Management Inc. | 0.01% | New | 30,844 | $221K |
| Brevan Howard Capital Management LP | 0.00% | New | 28,140 | $202K |
| Barclays PLC | 0.00% | Add +558.7% | 23,094 | $166K |
| Baker Tilly Wealth Management, LLC | 0.04% | No change | 20,000 | $144K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +457.7% | 19,145 | $137K |
| Legato Capital Management LLC | 0.01% | Add +22.7% | 16,324 | $117K |
| UMB Bank, n.a. | 0.00% | New | 15,300 | $110K |
| Nkcfo LLC | 0.03% | New | 13,000 | $93K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 12,911 | $93K |
| McAdam, LLC | 0.00% | New | 12,747 | $92K |
| Savant Capital, LLC | 0.00% | New | 12,139 | $87K |
| Centiva Capital, LP | 0.01% | Reduce -36.6% | 11,466 | $82K |
| Lighthouse Investment Partners, LLC | 0.00% | New | 10,560 | $76K |
| UBS Group AG | 0.00% | Add +269.8% | 7,012 | $50K |
| FNY Investment Advisers, LLC | 0.01% | New | 6,500 | $46K |
| Citigroup Inc. | 0.00% | New | 4,527 | $33K |
| Simplex Trading, LLC | 0.00% | Add +73.6% | 4,058 | $29K |
| Smartleaf Asset Management LLC | 0.00% | New | 4,000 | $29K |
| Wells Fargo & Company | 0.00% | No change | 1,000 | $7K |
| Osaic Holdings, Inc. | 0.00% | Reduce -45.3% | 900 | $6K |
| Arax Advisory Partners | 0.00% | Add +203.1% | 485 | $3K |
| Royal Bank of Canada | 0.00% | Add +4420.0% | 226 | $2K |
| Strive Financial Group ,LLC | 0.00% | — | 100 | $718 |
| Bank of America Corp. | 0.00% | Reduce -99.3% | 18 | $129 |
| SBI Securities Co., Ltd. | 0.00% | No change | 1 | $7 |
"% of holder's portfolio" is OSS's weight in each manager's 13F, not the share of One Stop Systems Inc. the manager owns.