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.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
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