ONE STOP SYSTEMS INC (OSS) Institutional Shareholders
ONE STOP SYSTEMS INC (OSS) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $73.80M in OSS holdings during the latest filing period.
Palisades Investment Partners, Llc is currently the largest disclosed institutional shareholder of OSS tracked by InsiderSet, reporting ownership valued at approximately $7.53M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $5.91M, representing an estimated loss of -21.51% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 61% of the total disclosed OSS value among the investors covered in this analysis. Major shareholders include Palisades Investment Partners, Llc, Vanguard Capital Management Llc, Jane Street Group, Llc, and several other long-term asset managers with concentrated positions in ONE STOP SYSTEMS INC (OSS).
This page ranks the largest institutional OSS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
86
Total Reported Value
$73.80M
Largest Holder
Palisades Investment Partners, Llc
Largest Position
$7.53M
Insider Transactions (90d)
9
Latest Filing Quarter
Q2 2026
New Institutional Positions
107
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Palisades Investment Partners, Llc | 2.14% | 414,392 | $7,533,647 | $5,913,374 | -$1,620,273 | -21.51% | |
| Vanguard Capital Management Llc | 0.00% | 959,588 | $7,264,081 | $13,693,321 | +$6,429,240 | +88.51% | |
| Jane Street Group, Llc | 0.01% | 874,558 | $6,620,404 | $12,479,943 | +$5,859,539 | +88.51% | |
| Blackrock, Inc. | 0.00% | 597,303 | $4,521,583 | $8,523,514 | +$4,001,931 | +88.51% | |
| Bard Associates Inc | 1.03% | 540,666 | $4,092,842 | $7,715,304 | +$3,622,462 | +88.51% | |
| Morgan Stanley | 0.00% | 431,919 | $3,269,627 | $6,163,484 | +$2,893,857 | +88.51% | |
| Marshall Wace, Llp | 0.00% | 418,978 | $3,171,663 | $5,978,816 | +$2,807,153 | +88.51% | |
| Ubs Group Ag | 0.00% | 407,014 | $3,081,096 | $5,808,090 | +$2,726,994 | +88.51% | |
| Millennium Management Llc | 0.00% | 400,729 | $3,033,519 | $5,718,403 | +$2,684,884 | +88.51% | |
| Citadel Advisors Llc | 0.00% | 356,676 | $2,700,037 | $5,089,767 | +$2,389,730 | +88.51% | |
| New York State Common Retirement Fund | 0.00% | 147,343 | $2,678,696 | $2,102,585 | -$576,111 | -21.51% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 259,960 | $1,967,897 | $3,709,629 | +$1,741,732 | +88.51% |
| Dnb Asset Management As | 0.01% | 252,733 | $1,913,189 | $3,606,500 | +$1,693,311 | +88.51% | |
| Geode Capital Management, Llc | 0.00% | 252,453 | $1,912,022 | $3,602,504 | +$1,690,482 | +88.41% | |
| Susquehanna International Group, Llp | 0.00% | 236,299 | $1,788,783 | $3,371,987 | +$1,583,204 | +88.51% | |
| Trexquant Investment Lp | 0.01% | 217,829 | $1,648,966 | $3,108,420 | +$1,459,454 | +88.51% | |
| Sei Investments Co | 0.00% | 166,632 | $1,261,404 | $2,377,839 | +$1,116,435 | +88.51% | |
| Informed Momentum Co Llc | 0.12% | 135,989 | $1,029,437 | $1,940,563 | +$911,126 | +88.51% | |
| Citigroup Inc | 0.00% | 54,956 | $999,100 | $784,222 | -$214,878 | -21.51% | |
| Vanguard Fiduciary Trust Co | 0.00% | 128,759 | $974,706 | $1,837,391 | +$862,685 | +88.51% | |
| State Street Corp | 0.00% | 101,676 | $769,687 | $1,450,917 | +$681,230 | +88.51% | |
| Penbrook Management Llc | 0.45% | 38,875 | $706,747 | $554,746 | -$152,001 | -21.51% | |
| Goldman Sachs Group Inc | 0.00% | 77,036 | $583,163 | $1,099,304 | +$516,141 | +88.51% | |
| Calamos Advisors Llc | 0.00% | 31,973 | $581,269 | $456,255 | -$125,014 | -21.51% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.00% | 73,865 | $559,158 | $1,054,054 | +$494,896 | +88.51% | |
| Optimus Capital Advisors, Llc | 0.29% | 30,000 | $545,400 | $428,100 | -$117,300 | -21.51% | |
| Eddie Patel Inc | 0.39% | 67,059 | $507,638 | $956,932 | +$449,294 | +88.51% | |
| Oxford Asset Management Llp | 0.21% | 64,403 | $487,531 | $919,031 | +$431,500 | +88.51% | |
| 683 Capital Management, Llc | 0.04% | 60,000 | $454,200 | $856,200 | +$402,000 | +88.51% | |
| Squarepoint Ops Llc | 0.00% | 58,476 | $442,663 | $834,453 | +$391,790 | +88.51% | |
| Fox Run Management, L.L.C. | 0.07% | 22,208 | $403,741 | $316,908 | -$86,833 | -21.51% | |
| Xtx Topco Ltd | 0.01% | 50,862 | $385,025 | $725,801 | +$340,776 | +88.51% | |
| Baker Tilly Wealth Management, Llc | 0.08% | 20,000 | $363,600 | $285,400 | -$78,200 | -21.51% | |
| Lodestone Wealth Management Llc | 0.13% | 19,637 | $357,001 | $280,220 | -$76,781 | -21.51% | |
| Northern Trust Corp | 0.00% | 46,974 | $355,593 | $670,319 | +$314,726 | +88.51% | |
| Brevan Howard Capital Management Lp | 0.00% | 43,171 | $326,804 | $616,050 | +$289,246 | +88.51% | |
| Apollon Wealth Management, Llc | 0.00% | 16,195 | $294,425 | $231,103 | -$63,322 | -21.51% | |
| Stifel Financial Corp | 0.00% | 37,913 | $287,001 | $541,019 | +$254,018 | +88.51% | |
| Hudson Bay Capital Management Lp | 0.00% | 37,376 | $282,936 | $533,356 | +$250,420 | +88.51% | |
| Essex Investment Management Co Llc | 0.04% | 35,534 | $268,992 | $507,070 | +$238,078 | +88.51% | |
| Centiva Capital, Lp | 0.01% | 33,627 | $254,556 | $479,857 | +$225,301 | +88.51% | |
| Schonfeld Strategic Advisors Llc | 0.00% | 29,480 | $223,163 | $420,680 | +$197,517 | +88.51% | |
| Mcadam, Llc | 0.01% | 12,198 | $221,760 | $174,065 | -$47,695 | -21.51% | |
| Engineers Gate Manager Lp | 0.00% | 29,000 | $219,530 | $413,830 | +$194,300 | +88.51% | |
| Hillsdale Investment Management Inc. | 0.01% | 28,844 | $218,349 | $411,604 | +$193,255 | +88.51% | |
| Total Clarity Wealth Management, Inc. | 0.04% | 11,494 | $208,961 | $164,019 | -$44,942 | -21.51% | |
| Choreo, Llc | 0.00% | 11,306 | $205,549 | $161,337 | -$44,212 | -21.51% | |
| Mangrove Partners Im, Llc | 0.01% | 23,889 | $180,840 | $340,896 | +$160,056 | +88.51% | |
| Bank Of America Corp | 0.00% | 23,239 | $175,919 | $331,621 | +$155,702 | +88.51% | |
| Barclays Plc | 0.00% | 20,503 | $155,208 | $292,578 | +$137,370 | +88.51% |
Frequently asked questions about OSS
Who owns the most OSS stock?
The largest holders of OSS are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ONE STOP SYSTEMS INC (OSS).
Is OSS widely held by superinvestors?
Many widely followed stocks like OSS appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly OSS is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.