One Stop Systems, Inc.
OSS- Exchange
- Nasdaq
- Industry
- Electronic Computers
- SEC CIK
- 0001394056
No open-market purchases or sales by One Stop Systems, Inc. insiders were filed in the last 90 days; 108 institutions reported holding it in 13F filings for Q2 2026, worth $196.3M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in One Stop Systems, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 77
- +9 vs. Q4 2025
- Shares held
- 8.33M
- +89.3K (+1.1%) vs. Q4 2025
- Total value
- $63.1M
- +$3.92M (+6.6%) vs. Q4 2025
- New holders
- 27
- 22 more added
- Sold out
- 18
- 22 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OSS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 108 | $196.3M |
| Q1 2026 | 77 | $63.1M |
| Q4 2025 | 69 | $66.8M |
| Q3 2025 | 59 | $52.1M |
| Q2 2025 | 39 | $22.8M |
| Q1 2025 | 33 | $12.3M |
| Q4 2024 | 37 | $17.7M |
| Q3 2024 | 27 | $12.1M |
| Q2 2024 | 34 | $13.2M |
| Q1 2024 | 25 | $17.7M |
| Q4 2023 | 29 | $11.8M |
| Q3 2023 | 26 | $10.3M |
| Q2 2023 | 26 | $16.6M |
| Q1 2023 | 26 | $14.5M |
| Q4 2022 | 25 | $16.7M |
| Q3 2022 | 27 | $17.0M |
| Q2 2022 | 25 | $20.3M |
| Q1 2022 | 29 | $17.8M |
| Q4 2021 | 34 | $24.8M |
| Q3 2021 | 30 | $22.4M |
| Q2 2021 | 33 | $25.1M |
| Q1 2021 | 37 | $24.7M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding One Stop Systems, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 959,588 | $7.26M | 0.00% | +959,588 | New |
| Jane Street Group, LLC | 874,558 | $6.62M | 0.01% | +270,753+44.8% | Added |
| BlackRock, Inc. | 597,303 | $4.52M | 0.00% | +459,859+334.6% | Added |
| Bard Associates Inc | 540,666 | $4.09M | 1.03% | −310,192−36.5% | Reduced |
| Morgan Stanley | 431,919 | $3.27M | 0.00% | +369,679+594.0% | Added |
| Marshall Wace, LLP | 418,978 | $3.17M | 0.00% | +145,043+52.9% | Added |
| UBS Group AG | 407,014 | $3.08M | 0.00% | +400,002+5,704.5% | Added |
| Millennium Management LLC | 400,729 | $3.03M | 0.00% | +359,219+865.4% | Added |
| Citadel Advisors LLC | 356,676 | $2.70M | 0.00% | +211,000+144.8% | Added |
| Renaissance Technologies LLC | 259,960 | $1.97M | 0.00% | −115,741−30.8% | Reduced |
| DnB Asset Management AS | 252,733 | $1.91M | 0.01% | +99,832+65.3% | Added |
| Geode Capital Management, LLC | 252,453 | $1.91M | 0.00% | +13,958+5.9% | Added |
| Susquehanna International Group, LLP | 236,299 | $1.79M | 0.00% | −22,773−8.8% | Reduced |
| Trexquant Investment LP | 217,829 | $1.65M | 0.01% | −38,981−15.2% | Reduced |
| SEI Investments Co | 166,632 | $1.26M | 0.00% | +66,784+66.9% | Added |
| Cambridge Investment Research Advisors, Inc. | 145,624 | $1.10M | 0.00% | +32,586+28.8% | Added |
| EAM Investors, LLC | 135,989 | $1.03M | 0.12% | −26,984−16.6% | Reduced |
| Vanguard Fiduciary Trust Co | 128,759 | $974.7K | 0.00% | +128,759 | New |
| State Street Corp | 101,676 | $769.7K | 0.00% | +17,100+20.2% | Added |
| Thompson Siegel & Walmsley LLC | 96,963 | $734.0K | 0.01% | −56,161−36.7% | Reduced |
| HRT Financial LP | 79,005 | $598.0K | 0.00% | +79,005 | New |
| Goldman Sachs Group Inc | 77,036 | $583.2K | 0.00% | −51,713−40.2% | Reduced |
| Citigroup Inc | 75,688 | $573.0K | 0.00% | +71,161+1,571.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 73,865 | $559.2K | 0.00% | +73,865 | New |
| Eddie Patel Inc | 67,059 | $507.6K | 0.39% | +67,059 | New |
| Oxford Asset Management LLP | 64,403 | $487.5K | 0.20% | +64,403 | New |
| Virtu Financial LLC | 61,458 | $465.0K | 0.02% | +61,458 | New |
| 683 Capital Management, LLC | 60,000 | $454.2K | 0.04% | −30,253−33.5% | Reduced |
| Squarepoint Ops LLC | 58,476 | $442.7K | 0.00% | −89,484−60.5% | Reduced |
| XTX Topco Ltd | 50,862 | $385.0K | 0.01% | −3,944−7.2% | Reduced |
| Northern Trust Corp | 46,974 | $355.6K | 0.00% | +5,051+12.0% | Added |
| Penbrook Management LLC | 46,740 | $353.8K | 0.27% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 43,171 | $326.8K | 0.00% | +15,031+53.4% | Added |
| Stifel Financial Corp | 37,913 | $287.0K | 0.00% | +37,913 | New |
| Hudson Bay Capital Management LP | 37,376 | $282.9K | 0.00% | +4,688+14.3% | Added |
| Essex Investment Management Co LLC | 35,534 | $269.0K | 0.04% | −33,822−48.8% | Reduced |
| Centiva Capital, LP | 33,627 | $254.6K | 0.01% | +22,161+193.3% | Added |
| Schonfeld Strategic Advisors LLC | 29,480 | $223.2K | 0.00% | −2,991−9.2% | Reduced |
| Engineers Gate Manager LP | 29,000 | $219.5K | 0.00% | −4,853−14.3% | Reduced |
| Hillsdale Investment Management Inc. | 28,844 | $218.3K | 0.01% | −2,000−6.5% | Reduced |
| SG Americas Securities, LLC | 28,022 | $212.0K | 0.00% | +28,022 | New |
| Mangrove Partners | 23,889 | $180.8K | 0.01% | +23,889 | New |
| Bank of America Corp | 23,239 | $175.9K | 0.00% | +23,221+129,005.6% | Added |
| Apollon Wealth Management, LLC | 21,040 | $159.3K | 0.00% | +21,040 | New |
| Barclays PLC | 20,503 | $155.2K | 0.00% | −2,591−11.2% | Reduced |
| Baker Tilly Wealth Management, LLC | 20,000 | $151.4K | 0.04% | 00.0% | Unchanged |
| Landscape Capital Management, L.L.C. | 17,269 | $130.7K | 0.01% | +17,269 | New |
| Occudo Quantitative Strategies LP | 13,738 | $130.4K | 0.01% | −21,867−61.4% | Reduced |
| Anfield Capital Management, LLC | 17,000 | $128.7K | 0.04% | +17,000 | New |
| Omers Administration Corp | 15,200 | $115.1K | 0.00% | −33,000−68.5% | Reduced |
| Charles Schwab Investment Management Inc | 12,911 | $97.7K | 0.00% | 00.0% | Unchanged |
| McAdam, LLC | 12,746 | $96.5K | 0.00% | −10.0% | Reduced |
| RSM US Wealth Management LLC | 11,306 | $85.6K | 0.00% | +11,306 | New |
| IMC-Chicago, LLC | 11,187 | $84.7K | 0.00% | +11,187 | New |
| Strait & Sound Wealth Management LLC | 11,044 | $83.6K | 0.03% | +11,044 | New |
| Vanguard Global Advisers, LLC | 10,819 | $81.9K | 0.00% | +10,819 | New |
| Nkcfo LLC | 10,000 | $76.0K | 0.02% | −3,000−23.1% | Reduced |
| Lodestone Wealth Management LLC | 6,803 | $51.5K | 0.02% | +6,803 | New |
| Tower Research Capital LLC (TRC) | 4,754 | $36.0K | 0.00% | −14,391−75.2% | Reduced |
| Smartleaf Asset Management LLC | 4,000 | $28.8K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 3,632 | $27.5K | 0.01% | +3,632 | New |
| GWM Advisors LLC | 3,020 | $22.9K | 0.00% | +3,020 | New |
| SRS Capital Advisors, Inc. | 2,471 | $22.0K | 0.00% | +1,986+409.5% | Added |
| Advisory Services Network, LLC | 2,341 | $17.7K | 0.00% | +2,341 | New |
| BNP Paribas Arbitrage, SA | 1,996 | $15.1K | 0.00% | −226,340−99.1% | Reduced |
| Advisor Group Holdings, Inc. | 1,627 | $12.3K | 0.00% | +727+80.8% | Added |
| Wells Fargo & Company | 1,000 | $7.57K | 0.00% | 00.0% | Unchanged |
| Lynrock Lake LP | 666 | $5.04K | 0.00% | −665,252−99.9% | Reduced |
| Hurley Capital, LLC | 622 | $4.71K | 0.00% | +622 | New |
| Royal Bank of Canada | 552 | $4.00K | 0.00% | +326+144.2% | Added |
| MAI Capital Management | 226 | $1.71K | 0.00% | +226 | New |
| Steward Partners Investment Advisory, LLC | 200 | $1.51K | 0.00% | +200 | New |
| Jones Financial Companies LLLP | 174 | $1.33K | 0.00% | +174 | New |
| Strive Financial Group ,LLC | 100 | $1.00K | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 65 | $492 | 0.00% | +65 | New |
| FMR LLC | 56 | $421 | 0.00% | +56 | New |
| SBI Securities Co., Ltd. | 14 | $106 | 0.00% | +13+1,300.0% | Added |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −693,493−100.0% | Sold out |
| Pacific Ridge Capital Partners, LLC | 0 | $0 | 0.00% | −432,361−100.0% | Sold out |
| Archon Capital Management LLC | 0 | $0 | 0.00% | −326,812−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −253,294−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −185,992−100.0% | Sold out |
| Manatuck Hill Partners, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −68,394−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −55,500−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −54,309−100.0% | Sold out |
| Belpointe Asset Management LLC | 0 | $0 | 0.00% | −52,000−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −51,093−100.0% | Sold out |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −47,163−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −16,324−100.0% | Sold out |
| Umb Bank N A | 0 | $0 | 0.00% | −15,300−100.0% | Sold out |
| Savant Capital, LLC | 0 | $0 | 0.00% | −12,139−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −10,560−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −6,500−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −4,058−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |