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, Q2 2025
Institutional positions in One Stop Systems, Inc. as of Jun 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
- 39
- +6 vs. Q1 2025
- Shares held
- 6.43M
- +1.11M (+20.9%) vs. Q1 2025
- Total value
- $22.8M
- +$10.5M (+85.0%) vs. Q1 2025
- New holders
- 10
- 13 more added
- Sold out
- 4
- 11 more reduced
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding One Stop Systems, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| SBI Securities Co., Ltd. | 201 | $714 | 0.00% | −100−33.2% | Reduced |
| Citigroup Inc | 330 | $1.17K | 0.00% | +330 | New |
| Advisor Group Holdings, Inc. | 500 | $1.77K | 0.00% | +500 | New |
| Wells Fargo & Company | 1,000 | $3.55K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,144 | $4.06K | 0.00% | −605−34.6% | Reduced |
| MAI Capital Management | 1,441 | $5.12K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 5,017 | $17.8K | 0.00% | +4,866+3,222.5% | Added |
| Group One Trading, L.P. | 8,348 | $29.6K | 0.00% | −1,862−18.2% | Reduced |
| UBS Group AG | 8,731 | $31.0K | 0.00% | −11,811−57.5% | Reduced |
| Marex Group plc | 10,000 | $35.5K | 0.00% | +10,000 | New |
| Granite Investment Partners, LLC | 11,068 | $39.3K | 0.00% | +11,068 | New |
| Walleye Capital LLC | 12,857 | $45.6K | 0.00% | +12,857 | New |
| Charles Schwab Investment Management Inc | 12,911 | $45.8K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 13,558 | $48.0K | 0.00% | −3,742−21.6% | Reduced |
| Quadrature Capital Ltd | 16,025 | $57.0K | 0.00% | +16,025 | New |
| Legato Capital Management LLC | 17,132 | $60.8K | 0.01% | −852−4.7% | Reduced |
| Baker Tilly Wealth Management, LLC | 20,000 | $71.0K | 0.03% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 21,290 | $75.6K | 0.00% | +21,290 | New |
| Goldman Sachs Group Inc | 37,020 | $131.4K | 0.00% | +10,677+40.5% | Added |
| Dimensional Fund Advisors LP | 38,371 | $136.2K | 0.00% | +3,477+10.0% | Added |
| HRT Financial LP | 39,158 | $139.0K | 0.00% | +39,158 | New |
| Northern Trust Corp | 44,289 | $157.2K | 0.00% | +4,630+11.7% | Added |
| Virtu Financial LLC | 50,425 | $179.0K | 0.01% | +50,425 | New |
| Susquehanna International Group, LLP | 55,631 | $197.5K | 0.00% | +43,246+349.2% | Added |
| Morgan Stanley | 72,503 | $257.4K | 0.00% | +40,200+124.4% | Added |
| Essex Investment Management Co LLC | 72,791 | $258.4K | 0.05% | −852−1.2% | Reduced |
| State Street Corp | 84,976 | $301.7K | 0.00% | +19,100+29.0% | Added |
| BlackRock, Inc. | 92,226 | $327.4K | 0.00% | −2,369−2.5% | Reduced |
| Renaissance Technologies LLC | 101,860 | $361.6K | 0.00% | +9,000+9.7% | Added |
| EAM Investors, LLC | 135,388 | $480.6K | 0.07% | +135,388 | New |
| Archon Capital Management LLC | 153,098 | $543.5K | 0.45% | 00.0% | Unchanged |
| Citadel Advisors LLC | 153,538 | $545.1K | 0.00% | +123,107+404.5% | Added |
| Geode Capital Management, LLC | 199,729 | $709.2K | 0.00% | +1,837+0.9% | Added |
| Jane Street Group, LLC | 268,182 | $952.0K | 0.00% | +251,850+1,542.1% | Added |
| Pacific Ridge Capital Partners, LLC | 454,872 | $1.61M | 0.39% | −6,266−1.4% | Reduced |
| Marshall Wace, LLP | 476,393 | $1.69M | 0.00% | +437,664+1,130.1% | Added |
| Vanguard Group Inc | 743,221 | $2.64M | 0.00% | +9,059+1.2% | Added |
| Bard Associates Inc | 947,857 | $3.36M | 1.08% | −81,923−8.0% | Reduced |
| Lynrock Lake LP | 2,049,374 | $7.28M | 0.64% | −17,292−0.8% | Reduced |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −13,127−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −3,723−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −845−100.0% | Sold out |
| ORG Partners LLC | 0 | $0 | 0.00% | −120−100.0% | Sold out |