ONE STOP SYSTEMS, INC. - OSS
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 5 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | History | Added to | 1,054,266 | 7,569 | 0.0% | 0.0% | 1 | +181,566 | 20.81% | Q4 2025 | Jan 29, 2026 |
| BARD ASSOCIATES INC | History | Reduced | 850,858 | 6,109 | 1.57% | 1.3% | 2 | -66,444 | -7.24% | Q4 2025 | Feb 13, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | History | Added to | 693,493 | 4,979 | 0.0% | 0.0% | 3 | +141,422 | 25.62% | Q4 2025 | Feb 13, 2026 |
| Lynrock Lake LP | History | Reduced | 665,918 | 4,781 | 939.29% | 0.62% | 4 | -777,769 | -53.87% | Q4 2025 | Feb 18, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 603,805 | 4,335 | 0.0% | 0.0% | 5 | +277,763 | 85.19% | Q4 2025 | Feb 12, 2026 |
| Pacific Ridge Capital Partners, LLC | History | Reduced | 432,361 | 3,104 | 0.68% | 0.53% | 6 | -13,433 | -3.01% | Q4 2025 | Feb 04, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 388,376 | 2,788 | 0.0% | 0.0% | 7 | -575,063 | -59.69% | Q4 2025 | Feb 17, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 377,872 | 2,713 | 0.0% | 0.0% | 8 | +100,548 | 36.26% | Q4 2025 | Feb 17, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 375,701 | 2,697 | 0.0% | 0.0% | 9 | -17,459 | -4.44% | Q4 2025 | Feb 12, 2026 |
| Archon Capital Management LLC | History | Reduced | 326,812 | 2,346 | 1.33% | 1.52% | 10 | -150,000 | -31.46% | Q4 2025 | Feb 13, 2026 |
| MARSHALL WACE, LLP | History | Reduced | 273,935 | 1,966 | 0.0% | 0.0% | 11 | -227,234 | -45.34% | Q4 2025 | Feb 13, 2026 |
| Trexquant Investment LP | History | Added to | 256,810 | 1,843 | 0.02% | 0.01% | 12 | +164,189 | 177.27% | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 253,294 | 1,818 | 0.0% | 0.0% | 13 | +104,096 | 69.77% | Q4 2025 | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 238,495 | 1,712 | 0.0% | 0.0% | 14 | +27,111 | 12.83% | Q4 2025 | Feb 09, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | New | 228,336 | 1,639 | 0.0% | — | 15 | +228,336 | New | Q4 2025 | Feb 10, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Added to | 185,992 | 1,331 | 0.0% | 0.0% | 16 | +104,677 | 128.73% | Q4 2025 | Feb 10, 2026 |
| Informed Momentum Co LLC | History | No change | 162,973 | 1,170 | 0.13% | 0.1% | 17 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| THOMPSON SIEGEL & WALMSLEY LLC | History | Reduced | 153,124 | 1,099 | 0.02% | 0.02% | 18 | -46,876 | -23.44% | Q4 2025 | Feb 10, 2026 |
| DnB Asset Management AS | History | Added to | 152,901 | 1,097 | 0.0% | 0.0% | 19 | +137,353 | 883.41% | Q4 2025 | Feb 05, 2026 |
| Squarepoint Ops LLC | History | Added to | 147,960 | 1,062 | 0.0% | 0.0% | 20 | +89,401 | 152.67% | Q4 2025 | Feb 13, 2026 |
| BlackRock, Inc. | History | Added to | 137,444 | 986 | 0.0% | 0.0% | 21 | +43,704 | 46.62% | Q4 2025 | Feb 12, 2026 |
| GOLDMAN SACHS GROUP INC | History | Reduced | 128,749 | 924 | 0.0% | 0.0% | 22 | -15,535 | -10.77% | Q4 2025 | Mar 25, 2026 |
| Cambridge Investment Research Advisors, Inc. | History | New | 113,038 | 812 | 0.0% | — | 23 | +113,038 | New | Q4 2025 | Feb 05, 2026 |
| Manatuck Hill Partners, LLC | History | Added to | 100,000 | 718 | 0.25% | 0.09% | 24 | +50,000 | 100.0% | Q4 2025 | Feb 17, 2026 |
| SEI INVESTMENTS CO | History | New | 99,848 | 716 | 0.0% | — | 25 | +99,848 | New | Q4 2025 | Feb 13, 2026 |
| 683 Capital Management, LLC | History | New | 90,253 | 648 | 0.03% | — | 26 | +90,253 | New | Q4 2025 | Feb 17, 2026 |
| STATE STREET CORP | History | Reduced | 84,576 | 607 | 0.0% | 0.0% | 27 | -400 | -0.47% | Q4 2025 | Feb 13, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | History | Added to | 69,356 | 497 | 0.08% | 0.05% | 28 | +12,806 | 22.65% | Q4 2025 | Feb 13, 2026 |
| JPMORGAN CHASE & CO | History | New | 68,394 | 491 | 0.0% | — | 29 | +68,394 | New | Q4 2025 | Feb 11, 2026 |
| MORGAN STANLEY | History | Added to | 62,240 | 446 | 0.0% | 0.0% | 30 | +6,037 | 10.74% | Q4 2025 | Feb 13, 2026 |
| TWO SIGMA ADVISERS, LP | History | Added to | 55,500 | 398 | 0.0% | 0.0% | 31 | +27,708 | 99.7% | Q4 2025 | Feb 17, 2026 |
| XTX Topco Ltd | History | Reduced | 54,806 | 393 | 0.01% | 0.02% | 32 | -17,308 | -24.0% | Q4 2025 | Feb 17, 2026 |
| Qube Research & Technologies Ltd | History | New | 54,309 | 389 | 0.0% | — | 33 | +54,309 | New | Q4 2025 | Feb 17, 2026 |
| Belpointe Asset Management LLC | History | New | 52,000 | 373 | 0.01% | — | 34 | +52,000 | New | Q4 2025 | Jan 27, 2026 |
| Point72 Asset Management, L.P. | History | New | 51,093 | 366 | 0.0% | — | 35 | +51,093 | New | Q4 2025 | Feb 17, 2026 |
| OMERS ADMINISTRATION Corp | History | New | 48,200 | 346 | 0.0% | — | 36 | +48,200 | New | Q4 2025 | Feb 13, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 47,163 | 338 | 0.0% | 0.0% | 37 | +238 | 0.51% | Q4 2025 | Feb 12, 2026 |
| Penbrook Management LLC | History | Reduced | 46,740 | 335 | 0.23% | 0.18% | 38 | -673 | -1.42% | Q4 2025 | Jan 06, 2026 |
| NORTHERN TRUST CORP | History | Added to | 41,923 | 301 | 0.0% | 0.0% | 39 | +6,000 | 16.7% | Q4 2025 | Feb 17, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 41,510 | 298 | 0.0% | 0.0% | 40 | +20,524 | 97.8% | Q4 2025 | Feb 17, 2026 |
| OCCUDO QUANTITATIVE STRATEGIES LP | History | Reduced | 35,605 | 255 | 0.02% | 0.02% | 41 | -1,023 | -2.79% | Q4 2025 | Feb 17, 2026 |
| Engineers Gate Manager LP | History | Reduced | 33,853 | 243 | 0.0% | 0.0% | 42 | -381 | -1.11% | Q4 2025 | Feb 17, 2026 |
| Hudson Bay Capital Management LP | History | New | 32,688 | 234 | 0.0% | — | 43 | +32,688 | New | Q4 2025 | Feb 13, 2026 |
| Schonfeld Strategic Advisors LLC | History | New | 32,471 | 233 | 0.0% | — | 44 | +32,471 | New | Q4 2025 | Feb 17, 2026 |
| Hillsdale Investment Management Inc. | History | New | 30,844 | 221 | 0.01% | — | 45 | +30,844 | New | Q4 2025 | Feb 10, 2026 |
| PEAK6 LLC | History | New | 28,400 | 203 | 0.0% | — | 46 | +28,400 | New | Q4 2025 | Mar 12, 2026 |
| Brevan Howard Capital Management LP | History | New | 28,140 | 202 | 0.0% | — | 47 | +28,140 | New | Q4 2025 | Feb 17, 2026 |
| BARCLAYS PLC | History | Added to | 23,094 | 165 | 0.0% | 0.0% | 48 | +19,588 | 558.7% | Q4 2025 | Feb 13, 2026 |
| BAKER TILLY WEALTH MANAGEMENT, LLC | History | No change | 20,000 | 143 | 0.04% | 0.02% | 49 | 0 | 0.0% | Q4 2025 | Jan 08, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 19,145 | 137 | 0.0% | 0.0% | 50 | +15,712 | 457.68% | Q4 2025 | Feb 17, 2026 |
| Legato Capital Management LLC | History | Added to | 16,324 | 117 | 0.01% | 0.01% | 51 | +3,019 | 22.69% | Q4 2025 | Feb 06, 2026 |
| UMB Bank, n.a. | History | New | 15,300 | 109 | 0.0% | — | 52 | +15,300 | New | Q4 2025 | Feb 13, 2026 |
| NKCFO LLC | History | New | 13,000 | 93 | 0.03% | — | 53 | +13,000 | New | Q4 2025 | Feb 02, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | No change | 12,911 | 92 | 0.0% | 0.0% | 54 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| McAdam, LLC | History | New | 12,747 | 91 | 0.0% | — | 55 | +12,747 | New | Q4 2025 | Feb 13, 2026 |
| Savant Capital, LLC | History | New | 12,139 | 87 | 0.0% | — | 56 | +12,139 | New | Q4 2025 | Feb 10, 2026 |
| Centiva Capital, LP | History | Reduced | 11,466 | 82 | 0.0% | 0.0% | 57 | -6,622 | -36.61% | Q4 2025 | Feb 13, 2026 |
| Lighthouse Investment Partners, LLC | History | New | 10,560 | 75 | 0.0% | — | 58 | +10,560 | New | Q4 2025 | Feb 17, 2026 |
| UBS Group AG | History | Added to | 7,012 | 50 | 0.0% | 0.0% | 59 | +5,116 | 269.83% | Q4 2025 | Jan 29, 2026 |
| FNY Investment Advisers, LLC | History | New | 6,500 | 46 | 0.01% | — | 60 | +6,500 | New | Q4 2025 | Jan 16, 2026 |
| CITIGROUP INC | History | New | 4,527 | 32 | 0.0% | — | 61 | +4,527 | New | Q4 2025 | Feb 13, 2026 |
| SIMPLEX TRADING, LLC | History | Added to | 4,058 | 29 | 0.0% | 0.0% | 62 | +1,721 | 73.64% | Q4 2025 | Feb 11, 2026 |
| Smartleaf Asset Management LLC | History | New | 4,000 | 28 | 0.0% | — | 63 | +4,000 | New | Q4 2025 | Feb 13, 2026 |
| WELLS FARGO & COMPANY/MN | History | No change | 1,000 | 7 | 0.0% | 0.0% | 64 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 900 | 6 | 0.0% | 0.0% | 65 | -745 | -45.29% | Q4 2025 | Feb 17, 2026 |
| Arax Advisory Partners | History | Added to | 485 | 3 | 0.0% | — | 66 | +325 | 203.13% | Q4 2025 | Feb 13, 2026 |
| ROYAL BANK OF CANADA | History | New | 226 | 2 | 0.0% | — | 67 | +226 | New | Q4 2025 | Feb 17, 2026 |
| MYDA Advisors LLC | History | Closed out | 0 | 0 | — | 0.12% | — | -100,000 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Marex Group plc | History | Closed out | 0 | 0 | — | 0.0% | — | -77,050 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Jump Financial, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -61,600 | -100.0% | Q3 2025 | Nov 13, 2025 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -43,985 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Virtu Financial LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -26,616 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Graham Capital Management, L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -11,706 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Rockefeller Capital Management L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -5,200 | -100.0% | Q3 2025 | Nov 14, 2025 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 18 | 0 | — | 0.0% | — | -2,729 | -99.34% | Q4 2025 | Feb 17, 2026 |
| Advisory Services Network, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -2,191 | -100.0% | Q3 2025 | Nov 18, 2025 |
| Stone House Investment Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -300 | -100.0% | Q3 2025 | Oct 27, 2025 |
| Strive Financial Group ,LLC | History | New | 100 | 0 | — | — | — | +100 | New | Q4 2025 | Feb 18, 2026 |
| SBI Securities Co., Ltd. | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 03, 2026 |