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 2026
Institutional positions in One Stop Systems, Inc. as of Jun 30, 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
- 108
- +32 vs. Q1 2026
- Shares held
- 10.7M
- +2.34M (+28.1%) vs. Q1 2026
- Total value
- $193.4M
- +$130.4M (+207.0%) vs. Q1 2026
- New holders
- 51
- 27 more added
- Sold out
- 19
- 24 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding One Stop Systems, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Northwestern Mutual Wealth Management Co | 481 | $8.74K | 0.00% | +481 | New |
| California State Teachers Retirement System | 309 | $5.62K | 0.00% | +309 | New |
| Strive Financial Group ,LLC | 100 | $1.82K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 100 | $1.82K | 0.00% | +100 | New |
| Sterling Capital Management LLC | 79 | $1.44K | 0.00% | +79 | New |
| Quarry LP | 60 | $1.09K | 0.00% | +60 | New |
| SHP Wealth Management | 25 | $455 | 0.00% | +25 | New |
| Essential Investment Partners LLC | 15 | $273 | 0.00% | +15 | New |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −418,978−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −236,299−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −79,005−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −64,403−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −61,458−100.0% | Sold out |
| 683 Capital Management, LLC | 0 | $0 | 0.00% | −60,000−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −50,862−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −37,376−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −33,627−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −29,480−100.0% | Sold out |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −28,844−100.0% | Sold out |
| Mangrove Partners | 0 | $0 | 0.00% | −23,889−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −17,269−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −15,200−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −11,187−100.0% | Sold out |
| Nkcfo LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −2,341−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −226−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| Anfield Capital Management, LLC | – | – | – | – | Not filed |