ONE STOP SYSTEMS, INC. - OSS
Detailed investor-level table based on 13F positions.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| JANE STREET GROUP, LLC | History | Added to | 1,022,758 | 7,742 | 0.0% | 0.0% | 1 | +418,953 | 69.39% | Q1 2026 | May 12, 2026 |
| VANGUARD GROUP INC | History | No change | 1,054,266 | 7,569 | 0.0% | 0.0% | 2 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 959,588 | 7,264 | 0.0% | — | 3 | +959,588 | New | Q1 2026 | May 15, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 744,976 | 5,639 | 0.0% | 0.0% | 4 | +356,600 | 91.82% | Q1 2026 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 655,299 | 4,960 | 0.0% | 0.0% | 5 | +277,427 | 73.42% | Q1 2026 | May 15, 2026 |
| BlackRock, Inc. | History | Added to | 597,303 | 4,521 | 0.0% | 0.0% | 6 | +459,859 | 334.58% | Q1 2026 | May 13, 2026 |
| BARD ASSOCIATES INC | History | Reduced | 540,666 | 4,092 | 1.03% | 1.57% | 7 | -310,192 | -36.46% | Q1 2026 | May 07, 2026 |
| MORGAN STANLEY | History | Added to | 431,919 | 3,269 | 0.0% | 0.0% | 8 | +369,679 | 593.96% | Q1 2026 | May 15, 2026 |
| MARSHALL WACE, LLP | History | Added to | 418,978 | 3,171 | 0.0% | 0.0% | 9 | +145,043 | 52.95% | Q1 2026 | May 14, 2026 |
| UBS Group AG | History | Added to | 407,014 | 3,081 | 0.0% | 0.0% | 10 | +400,002 | 5704.54% | Q1 2026 | May 05, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 400,729 | 3,033 | 0.0% | 0.0% | 11 | +359,219 | 865.38% | Q1 2026 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 259,960 | 1,967 | 0.0% | 0.0% | 12 | -115,741 | -30.81% | Q1 2026 | May 14, 2026 |
| DnB Asset Management AS | History | Added to | 252,733 | 1,913 | 0.01% | 0.0% | 13 | +99,832 | 65.29% | Q1 2026 | May 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 252,453 | 1,912 | 0.0% | 0.0% | 14 | +13,958 | 5.85% | Q1 2026 | May 15, 2026 |
| Trexquant Investment LP | History | Reduced | 217,829 | 1,648 | 0.01% | 0.02% | 15 | -38,981 | -15.18% | Q1 2026 | May 15, 2026 |
| SEI INVESTMENTS CO | History | Added to | 166,632 | 1,261 | 0.0% | 0.0% | 16 | +66,784 | 66.89% | Q1 2026 | May 13, 2026 |
| Cambridge Investment Research Advisors, Inc. | History | Added to | 145,624 | 1,102 | 0.0% | 0.0% | 17 | +32,586 | 28.83% | Q1 2026 | Apr 30, 2026 |
| Informed Momentum Co LLC | History | Reduced | 135,989 | 1,029 | 0.12% | 0.13% | 18 | -26,984 | -16.56% | Q1 2026 | May 13, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 128,759 | 974 | 0.0% | — | 19 | +128,759 | New | Q1 2026 | May 08, 2026 |
| STATE STREET CORP | History | Added to | 101,676 | 769 | 0.0% | 0.0% | 20 | +17,100 | 20.22% | Q1 2026 | May 15, 2026 |
| THOMPSON SIEGEL & WALMSLEY LLC | History | Reduced | 96,963 | 734 | 0.01% | 0.02% | 21 | -56,161 | -36.68% | Q1 2026 | May 11, 2026 |
| HRT FINANCIAL LP | History | New | 79,005 | 598 | 0.0% | — | 22 | +79,005 | New | Q1 2026 | May 14, 2026 |
| GOLDMAN SACHS GROUP INC | History | Reduced | 77,036 | 583 | 0.0% | 0.0% | 23 | -51,713 | -40.17% | Q1 2026 | May 15, 2026 |
| CITIGROUP INC | History | Added to | 75,688 | 572 | 0.0% | 0.0% | 24 | +71,161 | 1571.92% | Q1 2026 | May 11, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | New | 73,865 | 559 | 0.0% | — | 25 | +73,865 | New | Q1 2026 | May 15, 2026 |
| Eddie Patel Inc | History | New | 67,059 | 507 | 0.39% | — | 26 | +67,059 | New | Q1 2026 | May 11, 2026 |
| OXFORD ASSET MANAGEMENT LLP | History | New | 64,403 | 487 | 0.21% | — | 27 | +64,403 | New | Q1 2026 | May 15, 2026 |
| Virtu Financial LLC | History | New | 61,458 | 465 | 0.02% | — | 28 | +61,458 | New | Q1 2026 | May 14, 2026 |
| 683 Capital Management, LLC | History | Reduced | 60,000 | 454 | 0.02% | 0.03% | 29 | -30,253 | -33.52% | Q1 2026 | May 15, 2026 |
| Squarepoint Ops LLC | History | Reduced | 58,476 | 442 | 0.0% | 0.0% | 30 | -89,484 | -60.48% | Q1 2026 | May 15, 2026 |
| TWO SIGMA ADVISERS, LP | History | No change | 55,500 | 398 | 0.0% | 0.0% | 31 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| XTX Topco Ltd | History | Reduced | 50,862 | 385 | 0.01% | 0.01% | 32 | -3,944 | -7.2% | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | Added to | 46,974 | 355 | 0.0% | 0.0% | 33 | +5,051 | 12.05% | Q1 2026 | May 14, 2026 |
| Penbrook Management LLC | History | No change | 46,740 | 353 | 0.27% | 0.23% | 34 | 0 | 0.0% | Q1 2026 | Apr 21, 2026 |
| Brevan Howard Capital Management LP | History | Added to | 43,171 | 326 | 0.0% | 0.0% | 35 | +15,031 | 53.42% | Q1 2026 | May 15, 2026 |
| STIFEL FINANCIAL CORP | History | New | 37,913 | 287 | 0.0% | — | 36 | +37,913 | New | Q1 2026 | May 12, 2026 |
| Hudson Bay Capital Management LP | History | Added to | 37,376 | 282 | 0.0% | 0.0% | 37 | +4,688 | 14.34% | Q1 2026 | May 13, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | History | Reduced | 35,534 | 268 | 0.04% | 0.08% | 38 | -33,822 | -48.77% | Q1 2026 | May 11, 2026 |
| Centiva Capital, LP | History | Added to | 33,627 | 254 | 0.0% | 0.0% | 39 | +22,161 | 193.28% | Q1 2026 | May 14, 2026 |
| Schonfeld Strategic Advisors LLC | History | Reduced | 29,480 | 223 | 0.0% | 0.0% | 40 | -2,991 | -9.21% | Q1 2026 | May 15, 2026 |
| Engineers Gate Manager LP | History | Reduced | 29,000 | 219 | 0.0% | 0.0% | 41 | -4,853 | -14.34% | Q1 2026 | May 15, 2026 |
| Hillsdale Investment Management Inc. | History | Reduced | 28,844 | 218 | 0.01% | 0.01% | 42 | -2,000 | -6.48% | Q1 2026 | May 04, 2026 |
| SG Americas Securities, LLC | History | New | 28,022 | 212 | 0.0% | — | 43 | +28,022 | New | Q1 2026 | Apr 16, 2026 |
| MANGROVE PARTNERS IM, LLC | History | New | 23,889 | 180 | 0.01% | — | 44 | +23,889 | New | Q1 2026 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 23,239 | 175 | 0.0% | — | 45 | +23,221 | 129005.56% | Q1 2026 | May 15, 2026 |
| Apollon Wealth Management, LLC | History | New | 21,040 | 159 | 0.0% | — | 46 | +21,040 | New | Q1 2026 | Apr 22, 2026 |
| BARCLAYS PLC | History | Reduced | 20,503 | 155 | 0.0% | 0.0% | 47 | -2,591 | -11.22% | Q1 2026 | May 14, 2026 |
| BAKER TILLY WEALTH MANAGEMENT, LLC | History | No change | 20,000 | 151 | 0.04% | 0.04% | 48 | 0 | 0.0% | Q1 2026 | Apr 10, 2026 |
| Point72 Asset Management, L.P. | History | Reduced | 19,400 | 146 | 0.0% | 0.0% | 49 | -31,693 | -62.03% | Q1 2026 | May 15, 2026 |
| OCCUDO QUANTITATIVE STRATEGIES LP | History | Reduced | 13,738 | 130 | 0.01% | 0.02% | 50 | -21,867 | -61.42% | Q1 2026 | May 15, 2026 |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | History | New | 17,269 | 130 | 0.01% | — | 51 | +17,269 | New | Q1 2026 | May 12, 2026 |
| Anfield Capital Management, LLC | History | New | 17,000 | 128 | 0.04% | — | 52 | +17,000 | New | Q1 2026 | May 12, 2026 |
| OMERS ADMINISTRATION Corp | History | Reduced | 15,200 | 115 | 0.0% | 0.0% | 53 | -33,000 | -68.46% | Q1 2026 | May 15, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | No change | 12,911 | 97 | 0.0% | 0.0% | 54 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| McAdam, LLC | History | Reduced | 12,746 | 96 | 0.0% | 0.0% | 55 | -1 | -0.01% | Q1 2026 | May 08, 2026 |
| CHOREO, LLC | History | New | 11,306 | 85 | 0.0% | — | 56 | +11,306 | New | Q1 2026 | May 12, 2026 |
| IMC-Chicago, LLC | History | New | 11,187 | 84 | 0.0% | — | 57 | +11,187 | New | Q1 2026 | May 05, 2026 |
| Strait & Sound Wealth Management LLC | History | New | 11,044 | 83 | 0.03% | — | 58 | +11,044 | New | Q1 2026 | May 18, 2026 |
| Vanguard Global Advisers, LLC | History | New | 10,819 | 81 | 0.0% | — | 59 | +10,819 | New | Q1 2026 | May 08, 2026 |
| NKCFO LLC | History | Reduced | 10,000 | 76 | 0.02% | 0.03% | 60 | -3,000 | -23.08% | Q1 2026 | May 11, 2026 |
| Lodestone Wealth Management LLC | History | New | 6,803 | 51 | 0.02% | — | 61 | +6,803 | New | Q1 2026 | May 01, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 4,754 | 35 | 0.0% | 0.0% | 62 | -14,391 | -75.17% | Q1 2026 | May 15, 2026 |
| Smartleaf Asset Management LLC | History | No change | 4,000 | 28 | 0.0% | 0.0% | 63 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 3,632 | 27 | 0.0% | — | 64 | +3,632 | New | Q1 2026 | May 11, 2026 |
| NewEdge Advisors, LLC | History | New | 3,020 | 22 | 0.0% | — | 66 | +3,020 | New | Q1 2026 | Jun 02, 2026 |
| Arax Advisory Partners | History | Added to | 2,471 | 22 | 0.0% | 0.0% | 65 | +1,986 | 409.48% | Q1 2026 | May 13, 2026 |
| Advisory Services Network, LLC | History | New | 2,341 | 17 | 0.0% | — | 67 | +2,341 | New | Q1 2026 | May 15, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 1,996 | 15 | 0.0% | 0.0% | 68 | -226,340 | -99.13% | Q1 2026 | May 12, 2026 |
| OSAIC HOLDINGS, INC. | History | Added to | 1,627 | 12 | 0.0% | 0.0% | 69 | +727 | 80.78% | Q1 2026 | May 15, 2026 |
| WELLS FARGO & COMPANY/MN | History | No change | 1,000 | 7 | 0.0% | 0.0% | 70 | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| Lynrock Lake LP | History | Reduced | 666 | 5 | 0.0% | 0.32% | 71 | -665,252 | -99.9% | Q1 2026 | May 15, 2026 |
| Hurley Capital, LLC | History | New | 622 | 4 | 0.0% | — | 73 | +622 | New | Q1 2026 | May 06, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 552 | 4 | 0.0% | 0.0% | 72 | +326 | 144.25% | Q1 2026 | May 15, 2026 |
| MAI Capital Management | History | New | 226 | 1 | 0.0% | — | 76 | +226 | New | Q1 2026 | May 15, 2026 |
| Steward Partners Investment Advisory, LLC | History | New | 200 | 1 | 0.0% | — | 77 | +200 | New | Q1 2026 | May 08, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | New | 174 | 1 | 0.0% | — | 75 | +174 | New | Q1 2026 | May 15, 2026 |
| Strive Financial Group ,LLC | History | No change | 100 | 1 | 0.0% | — | 74 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | History | Closed out | 0 | 0 | — | 0.0% | — | -693,493 | -100.0% | Q1 2026 | May 14, 2026 |
| Pacific Ridge Capital Partners, LLC | History | Closed out | 0 | 0 | — | 0.68% | — | -432,361 | -100.0% | Q1 2026 | May 11, 2026 |
| Archon Capital Management LLC | History | Closed out | 0 | 0 | — | 1.33% | — | -326,812 | -100.0% | Q1 2026 | May 14, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -253,294 | -100.0% | Q1 2026 | May 15, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -185,992 | -100.0% | Q1 2026 | May 13, 2026 |
| Manatuck Hill Partners, LLC | History | Closed out | 0 | 0 | — | 0.25% | — | -100,000 | -100.0% | Q1 2026 | May 15, 2026 |
| JPMORGAN CHASE & CO | History | Closed out | 0 | 0 | — | 0.0% | — | -68,394 | -100.0% | Q1 2026 | May 13, 2026 |
| Qube Research & Technologies Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -54,309 | -100.0% | Q1 2026 | May 15, 2026 |
| Belpointe Asset Management LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -52,000 | -100.0% | Q1 2026 | Apr 28, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Closed out | 0 | 0 | — | 0.0% | — | -47,163 | -100.0% | Q1 2026 | May 07, 2026 |
| PEAK6 LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -28,400 | -100.0% | Q1 2026 | May 13, 2026 |
| Legato Capital Management LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -16,324 | -100.0% | Q1 2026 | May 14, 2026 |
| UMB Bank, n.a. | History | Closed out | 0 | 0 | — | 0.0% | — | -15,300 | -100.0% | Q1 2026 | May 11, 2026 |
| Savant Capital, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -12,139 | -100.0% | Q1 2026 | May 04, 2026 |
| Lighthouse Investment Partners, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -10,560 | -100.0% | Q1 2026 | May 14, 2026 |
| FNY Investment Advisers, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -6,500 | -100.0% | Q1 2026 | Apr 15, 2026 |
| SIMPLEX TRADING, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -4,058 | -100.0% | Q1 2026 | May 14, 2026 |
| Root Financial Partners, LLC | History | New | 65 | 0 | — | — | — | +65 | New | Q1 2026 | Apr 24, 2026 |
| FMR LLC | History | New | 56 | 0 | — | — | — | +56 | New | Q1 2026 | May 15, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 14 | 0 | — | — | — | +13 | 1300.0% | Q1 2026 | Apr 27, 2026 |