One Stop Systems, Inc. (NASDAQ:OSS) has 76 institutional investors that have filed 13F reports for the period ending March 2026.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 959,588 | 959,588 | 0.00% | $7,264,081.00 |
| JANE STREET GROUP, LLC | 31 Mar, 2026 | 874,558 | 270,753 | 44.84% | $6,620,404.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 597,303 | 459,859 | 334.58% | $4,521,583.00 |
| BARD ASSOCIATES INC | 31 Mar, 2026 | 540,666 | -310,192 | -36.46% | $4,092,842.00 |
| Morgan Stanley | 31 Mar, 2026 | 431,919 | 369,679 | 593.96% | $3,269,627.00 |
| MARSHALL WACE, LLP | 31 Mar, 2026 | 418,978 | 145,043 | 52.95% | $3,171,663.00 |
| UBS Group AG | 31 Mar, 2026 | 407,014 | 400,002 | 5,704.54% | $3,081,096.00 |
| MILLENNIUM MANAGEMENT LLC | 31 Mar, 2026 | 400,729 | 359,219 | 865.38% | $3,033,519.00 |
| CITADEL ADVISORS LLC | 31 Mar, 2026 | 356,676 | 211,000 | 144.84% | $2,700,037.00 |
| RENAISSANCE TECHNOLOGIES LLC | 31 Mar, 2026 | 259,960 | -115,741 | -30.81% | $1,967,897.00 |
| DnB Asset Management AS | 31 Mar, 2026 | 252,733 | 99,832 | 65.29% | $1,913,189.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 252,453 | 13,958 | 5.85% | $1,912,022.00 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 31 Mar, 2026 | 236,299 | -22,773 | -8.79% | $1,788,783.00 |
| Trexquant Investment LP | 31 Mar, 2026 | 217,829 | -38,981 | -15.18% | $1,648,966.00 |
| Sei Investments Co | 31 Mar, 2026 | 166,632 | 66,784 | 66.89% | $1,261,404.00 |
| Cambridge Investment Research Advisors, Inc. | 31 Mar, 2026 | 145,624 | 32,586 | 28.83% | $1,102.00 |
| Informed Momentum Co LLC | 31 Mar, 2026 | 135,989 | -26,984 | -16.56% | $1,029,437.00 |
| VANGUARD FIDUCIARY TRUST CO | 31 Mar, 2026 | 128,759 | 128,759 | 0.00% | $974,706.00 |
| State Street Corp | 31 Mar, 2026 | 101,676 | 17,100 | 20.22% | $769,687.00 |
| THOMPSON SIEGEL & WALMSLEY LLC | 31 Mar, 2026 | 96,963 | -56,161 | -36.68% | $734.00 |