One Stop SystemsOSS
13F holders, Q3 2025 (September 30)59holders +20
26new positions
6sold out
3famous investors
$5.36avg. 13F price*
At the end of Q3 2025, 59 institutions reported holding One Stop Systems Inc. (OSS) in their 13F filings, up 20 from Q2 2025. 26 opened new positions and 6 sold out. The largest holders were Lynrock Lake LP ($7.7M), Bard Associates Inc. ($4.9M) and Vanguard Group Inc. ($4.7M). 3 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- One Stop Systems Inc.
- CUSIP
- 68247W109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 26 | $11.4M |
| Exits | 6 | $178K |
All 13F filers, Q2 2025 → Q3 2025: 4,066,796 shares bought and 784,458 shares sold, net +3,282,338 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 59 holders
| Lynrock Lake LP | 1.02% | Reduce -29.6% | 1,443,687 | $7.7M |
| Bard Associates Inc. | 1.31% | Reduce -3.2% | 917,302 | $4.9M |
| Vanguard Group Inc. | 0.00% | Add +17.4% | 872,700 | $4.7M |
| Citadel Advisors | 0.00% | Add +463.3% | 864,939 | $4.6M |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 552,071 | $3.0M |
| Marshall Wace, LLP | 0.00% | Add +5.2% | 501,169 | $2.7M |
| Archon Capital Management LLC | 1.52% | Add +211.4% | 476,812 | $2.6M |
| Pacific Ridge Capital Partners, LLC | 0.53% | Reduce -2.0% | 445,794 | $2.4M |
| Renaissance Technologies | 0.00% | Add +286.0% | 393,160 | $2.1M |
| Jane Street Group, LLC | 0.00% | Add +21.6% | 326,042 | $1.7M |
| Polar Asset Management Partners Inc. | 0.05% | New | 292,252 | $1.6M |
| Geode Capital Management, LLC | 0.00% | Add +5.8% | 211,384 | $1.1M |
| AMH Equity Ltd | 1.34% | New | 200,000 | $1.1M |
| Thompson Siegel & Walmsley LLC | 0.02% | New | 200,000 | $1.1M |
| Susquehanna International Group, LLP | 0.00% | Add +223.4% | 179,924 | $964K |
| Informed Momentum Co LLC | 0.10% | Add +20.4% | 162,973 | $874K |
| Two Sigma Investments, LP | 0.00% | New | 149,198 | $800K |
| Goldman Sachs Group Inc. | 0.00% | Add +289.8% | 144,284 | $773K |
| MYDA Advisors LLC | 0.16% | New | 100,000 | $536K |
| BlackRock, Inc. | 0.00% | Add +1.6% | 93,740 | $502K |
| Trexquant Investment LP | 0.01% | New | 92,621 | $496K |
| State Street Corp. | 0.00% | No change | 84,976 | $455K |
| Acadian Asset Management LLC | 0.00% | New | 81,315 | $433K |
| Marex Group Ltd | 0.01% | Add +670.5% | 77,050 | $413K |
| XTX Topco Ltd | 0.02% | New | 72,114 | $387K |
| Jump Financial, LLC | 0.00% | New | 63,300 | $339K |
| Squarepoint Ops LLC | 0.00% | New | 58,559 | $314K |
| Cubist Systematic Strategies, LLC | 0.00% | Add +173.3% | 58,193 | $312K |
| Essex Investment Management Co. LLC | 0.05% | Reduce -22.3% | 56,550 | $303K |
| Morgan Stanley | 0.00% | Reduce -22.5% | 56,203 | $301K |
| Manatuck Hill Partners, LLC | 0.09% | New | 50,000 | $268K |
| Penbrook Management LLC | 0.18% | New | 47,413 | $254K |
| Dimensional Fund Advisors LP | 0.00% | Add +22.3% | 46,925 | $252K |
| HRT Financial LP | 0.00% | Add +12.3% | 43,985 | $235K |
| Occudo Quantitative Strategies LP | 0.02% | New | 36,628 | $196K |
| Northern Trust Corp. | 0.00% | Reduce -18.9% | 35,923 | $193K |
| Engineers Gate Manager LP | 0.00% | New | 34,234 | $183K |
| Two Sigma Advisers, LP | 0.00% | New | 27,792 | $149K |
| Virtu Financial LLC | 0.01% | Reduce -47.2% | 26,616 | $143K |
| Millennium Management | 0.00% | New | 20,986 | $112K |
| Baker Tilly Wealth Management, LLC | 0.02% | No change | 20,000 | $107K |
| Centiva Capital, LP | 0.01% | New | 18,088 | $97K |
| DNB Asset Management AS | 0.00% | New | 15,548 | $83K |
| Legato Capital Management LLC | 0.01% | Reduce -22.3% | 13,305 | $71K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 12,911 | $69K |
| Graham Capital Management, L.P. | 0.00% | New | 11,706 | $63K |
| Rockefeller Capital Management L.P. | 0.00% | New | 5,200 | $28K |
| Barclays PLC | 0.00% | New | 3,506 | $19K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +200.1% | 3,433 | $18K |
| Bank of America Corp. | 0.00% | Reduce -45.3% | 2,747 | $15K |
| Simplex Trading, LLC | 0.00% | Reduce -82.8% | 2,337 | $12K |
| Advisory Services Network, LLC | 0.00% | New | 2,191 | $12K |
| UBS Group AG | 0.00% | Reduce -78.3% | 1,896 | $10K |
| Osaic Holdings, Inc. | 0.00% | Add +229.0% | 1,645 | $9K |
| Wells Fargo & Company | 0.00% | No change | 1,000 | $5K |
| Stone House Investment Management, LLC | 0.00% | New | 300 | $2K |
| Arax Advisory Partners | 0.00% | New | 160 | $858 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -99.5% | 1 | $5 |
| Royal Bank of Canada | 0.00% | New | 5 | $0 |
"% of holder's portfolio" is OSS's weight in each manager's 13F, not the share of One Stop Systems Inc. the manager owns.