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 $193.4M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in One Stop Systems, Inc. as of Sep 30, 2025. 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
- 59
- +20 vs. Q2 2025
- Shares held
- 9.71M
- +3.28M (+51.0%) vs. Q2 2025
- Total value
- $52.1M
- +$29.2M (+128.0%) vs. Q2 2025
- New holders
- 26
- 17 more added
- Sold out
- 6
- 12 more reduced
Compare with Q2 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 | $193.4M |
| 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, Q3 2025
Shares, value and share of portfolio for each institution holding One Stop Systems, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 5 | $0 | 0.00% | +5 | New |
| SBI Securities Co., Ltd. | 1 | $5 | 0.00% | −200−99.5% | Reduced |
| SRS Capital Advisors, Inc. | 160 | $858 | 0.00% | +160 | New |
| Stone House Investment Management, LLC | 300 | $1.61K | 0.00% | +300 | New |
| Wells Fargo & Company | 1,000 | $5.36K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 1,645 | $9.49K | 0.00% | +1,145+229.0% | Added |
| UBS Group AG | 1,896 | $10.2K | 0.00% | −6,835−78.3% | Reduced |
| Advisory Services Network, LLC | 2,191 | $11.7K | 0.00% | +2,191 | New |
| Simplex Trading, LLC | 2,337 | $12.0K | 0.00% | −11,221−82.8% | Reduced |
| Bank of America Corp | 2,747 | $14.7K | 0.00% | −2,270−45.2% | Reduced |
| Tower Research Capital LLC (TRC) | 3,433 | $18.4K | 0.00% | +2,289+200.1% | Added |
| Barclays PLC | 3,506 | $18.8K | 0.00% | +3,506 | New |
| Rockefeller Capital Management L.P. | 5,200 | $27.9K | 0.00% | +5,200 | New |
| Graham Capital Management, L.P. | 11,706 | $62.7K | 0.00% | +11,706 | New |
| Charles Schwab Investment Management Inc | 12,911 | $69.2K | 0.00% | 00.0% | Unchanged |
| Legato Capital Management LLC | 13,305 | $71.3K | 0.01% | −3,827−22.3% | Reduced |
| DnB Asset Management AS | 15,548 | $83.3K | 0.00% | +15,548 | New |
| Centiva Capital, LP | 18,088 | $97.0K | 0.01% | +18,088 | New |
| Baker Tilly Wealth Management, LLC | 20,000 | $107.2K | 0.02% | 00.0% | Unchanged |
| Millennium Management LLC | 20,986 | $112.5K | 0.00% | +20,986 | New |
| Virtu Financial LLC | 26,616 | $143.0K | 0.01% | −23,809−47.2% | Reduced |
| Two Sigma Advisers, LP | 27,792 | $149.0K | 0.00% | +27,792 | New |
| Engineers Gate Manager LP | 34,234 | $183.5K | 0.00% | +34,234 | New |
| Northern Trust Corp | 35,923 | $192.5K | 0.00% | −8,366−18.9% | Reduced |
| Occudo Quantitative Strategies LP | 36,628 | $196.3K | 0.02% | +36,628 | New |
| HRT Financial LP | 43,985 | $235.0K | 0.00% | +4,827+12.3% | Added |
| Dimensional Fund Advisors LP | 46,925 | $251.5K | 0.00% | +8,554+22.3% | Added |
| Penbrook Management LLC | 47,413 | $254.1K | 0.18% | +47,413 | New |
| Manatuck Hill Partners, LLC | 50,000 | $268.0K | 0.09% | +50,000 | New |
| Morgan Stanley | 56,203 | $301.2K | 0.00% | −16,300−22.5% | Reduced |
| Essex Investment Management Co LLC | 56,550 | $303.1K | 0.05% | −16,241−22.3% | Reduced |
| Cubist Systematic Strategies, LLC | 58,193 | $311.9K | 0.00% | +36,903+173.3% | Added |
| Squarepoint Ops LLC | 58,559 | $313.9K | 0.00% | +58,559 | New |
| Jump Financial, LLC | 63,300 | $339.3K | 0.00% | +63,300 | New |
| XTX Topco Ltd | 72,114 | $386.5K | 0.02% | +72,114 | New |
| Marex Group plc | 77,050 | $413.0K | 0.01% | +67,050+670.5% | Added |
| Acadian Asset Management LLC | 81,315 | $433.0K | 0.00% | +81,315 | New |
| State Street Corp | 84,976 | $455.5K | 0.00% | 00.0% | Unchanged |
| Trexquant Investment LP | 92,621 | $496.4K | 0.01% | +92,621 | New |
| BlackRock, Inc. | 93,740 | $502.4K | 0.00% | +1,514+1.6% | Added |
| MYDA Advisors LLC | 100,000 | $536.0K | 0.16% | +100,000 | New |
| Goldman Sachs Group Inc | 144,284 | $773.4K | 0.00% | +107,264+289.7% | Added |
| Two Sigma Investments, LP | 149,198 | $799.7K | 0.00% | +149,198 | New |
| EAM Investors, LLC | 162,973 | $873.5K | 0.10% | +27,585+20.4% | Added |
| Susquehanna International Group, LLP | 179,924 | $964.4K | 0.00% | +124,293+223.4% | Added |
| Thompson Siegel & Walmsley LLC | 200,000 | $1.07M | 0.02% | +200,000 | New |
| AMH Equity Ltd | 200,000 | $1.07M | 1.34% | +200,000 | New |
| Geode Capital Management, LLC | 211,384 | $1.13M | 0.00% | +11,655+5.8% | Added |
| Polar Asset Management Partners Inc. | 292,252 | $1.57M | 0.03% | +292,252 | New |
| Jane Street Group, LLC | 326,042 | $1.75M | 0.00% | +57,860+21.6% | Added |
| Renaissance Technologies LLC | 393,160 | $2.11M | 0.00% | +291,300+286.0% | Added |
| Pacific Ridge Capital Partners, LLC | 445,794 | $2.39M | 0.53% | −9,078−2.0% | Reduced |
| Archon Capital Management LLC | 476,812 | $2.56M | 1.52% | +323,714+211.4% | Added |
| Marshall Wace, LLP | 501,169 | $2.69M | 0.00% | +24,776+5.2% | Added |
| Arrowstreet Capital, Limited Partnership | 552,071 | $2.96M | 0.00% | +552,071 | New |
| Citadel Advisors LLC | 864,939 | $4.64M | 0.00% | +711,401+463.3% | Added |
| Vanguard Group Inc | 872,700 | $4.68M | 0.00% | +129,479+17.4% | Added |
| Bard Associates Inc | 917,302 | $4.92M | 1.30% | −30,555−3.2% | Reduced |
| Lynrock Lake LP | 1,443,687 | $7.74M | 0.62% | −605,687−29.6% | Reduced |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −16,025−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −12,857−100.0% | Sold out |
| Granite Investment Partners, LLC | 0 | $0 | 0.00% | −11,068−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −8,348−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −1,441−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −330−100.0% | Sold out |