One Stop Systems, Inc. 13F holders
108 funds reported a position in One Stop Systems, Inc. in their 13F for the quarter ended 30 June 2026, together 10.8 million shares worth $196.3 million. Against the quarter before, 48 opened a position, 27 added, 24 trimmed and 19 sold out; together they bought a net 2.5 million shares. The largest holders: BlackRock, Inc., Jane Street Group, LLC and Vanguard Capital Management LLC.
Funds holding108+31 on Q1 2026
Shares they held10.8Mworth $196.3 million
Net bought on the quarter2.5M sharesabout $44.6 million at the funds' values
Funds buying to selling75 to 43opened or added, to cut or sold
Opened 48Added 27Held 8Trimmed 24Sold out 19
What each fund did in OSS against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in OSS in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,405 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 20 reported a position in One Stop Systems, Inc.: 7 opened one, 4 added, 3 trimmed and 7 sold out, a net 93,795 shares sold.
| Fund | Change in shares | Shares now | Status | Filing |
|---|---|---|---|---|
| Strs Ohio | +13,900 | 18,300 | added | 13F |
| Caitong International Asset Management Co., Ltd | -8,515 | 8,822 | trimmed | 13F |
| Lodestone Wealth Management LLC | +1,867 | 21,504 | added | 13F |
| State of Alaska, Department of Revenue | +1,820 | 1,820 | new | 13F |
| Torren Management, LLC | +1,300 | 1,300 | new | 13F |
| Pinnacle Wealth Planning Services, Inc. | +803 | 803 | new | 13F |
| Penbrook Management LLC | -675 | 38,200 | trimmed | 13F |
| Sterling Capital Management LLC | +658 | 737 | added | 13F |
| SBI Securities Co., Ltd. | -460 | 912 | trimmed | 13F |
| Hughes Financial Services, LLC | +350 | 350 | new | 13F |
| SJS Investment Consulting Inc. | +121 | 121 | new | 13F |
| Gamma Investing LLC | +93 | 93 | new | 13F |
| Signaturefd, LLC | +87 | 87 | new | 13F |
| Farther Finance Advisors, LLC | +39 | 1,539 | added | 13F |
| Apollon Wealth Management, LLC | -16,195 | 0 | sold out | 13F |
| Choreo, LLC | -11,306 | 0 | sold out | 13F |
| Founders Capital Management | -600 | 0 | sold out | 13F |
| Inspire Investing, LLC | -37,967 | 0 | sold out | 13F |
| McAdam, LLC | -12,198 | 0 | sold out | 13F |
| State of Wyoming | -15,423 | 0 | sold out | 13F |
| Total Clarity Wealth Management, Inc. | -11,494 | 0 | sold out | 13F |
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 6 reported a position in One Stop Systems, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 572,918 shares worth $10.4 million, 0.0% of its reported book. New this quarter: Two Sigma Investments. In the quarter, 4 funds added or opened a position and 2 trimmed or sold out; together they bought a net 283,005 shares, about $5.1 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 572,918 | $10.4 million | 0.0% | +320,465 | added | 30 June 2026 | 13F |
| Renaissance Technologies | 407,860 | $7.4 million | 0.0% | +147,900 | added | 30 June 2026 | 13F |
| Millennium Management | 337,710 | $6.1 million | 0.0% | -63,019 | trimmed | 30 June 2026 | 13F |
| Two Sigma Investments | 162,193 | $2.9 million | 0.0% | +162,193 | new | 30 June 2026 | 13F |
| Citadel Advisors | 71,202 | $1.3 million | 0.0% | -285,474 | trimmed | 30 June 2026 | 13F |
| FMR LLC | 996 | $18,100 | 0.0% | +940 | added | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 1,837,840 | 16.99% | $33.4 million | 0.00% | +1,240,537 | 13F |
| Jane Street Group, LLC | 1,309,455 | 12.11% | $23.8 million | 0.01% | +434,897 | 13F |
| Vanguard Capital Management LLC | 974,568 | 9.01% | $17.7 million | 0.00% | +14,980 | 13F |
| Geode Capital Management, LLC | 572,918 | 5.30% | $10.4 million | 0.00% | +320,465 | 13F |
| Bard Associates Inc. | 526,370 | 4.87% | $9.6 million | 2.12% | -14,296 | 13F |
| Palisades Investment Partners, LLC | 414,392 | 3.83% | $7.5 million | 2.14% | new | 13F |
| Renaissance Technologies LLC | 407,860 | 3.77% | $7.4 million | 0.01% | +147,900 | 13F |
| State Street Corp. | 384,259 | 3.55% | $7.0 million | 0.00% | +282,583 | 13F |
| Millennium Management LLC | 337,710 | 3.12% | $6.1 million | 0.00% | -63,019 | 13F |
| Qube Research & Technologies Ltd | 318,919 | 2.95% | $5.8 million | 0.01% | new | 13F |
| Cambridge Investment Research Advisors, Inc. | 298,584 | 2.76% | $5.4 million | 0.01% | +152,960 | 13F |
| Northern Trust Corp. | 178,101 | 1.65% | $3.2 million | 0.00% | +131,127 | 13F |
| Two Sigma Investments, LP | 162,193 | 1.50% | $2.9 million | 0.00% | new | 13F |
| Vanguard Fiduciary Trust Co. | 157,365 | 1.46% | $2.9 million | 0.00% | +28,606 | 13F |
| Vanguard Portfolio Management LLC | 155,408 | 1.44% | $2.8 million | 0.00% | new | 13F |
| New York State Common Retirement Fund | 147,343 | 1.36% | $2.7 million | 0.00% | new | 13F |
| Dimensional Fund Advisors LP | 146,871 | 1.36% | $2.7 million | 0.00% | new | 13F |
| Squarepoint Ops LLC | 131,346 | 1.21% | $2.4 million | 0.01% | +72,870 | 13F |
| Informed Momentum Co LLC | 130,568 | 1.21% | $2.4 million | 0.21% | -5,421 | 13F |
| DNB Asset Management AS | 118,759 | 1.10% | $2.2 million | 0.01% | -133,974 | 13F |
| Mirae Asset Global ETFS Holdings Ltd. | 99,272 | 0.92% | $1.8 million | 0.00% | +25,407 | 13F |
| Trexquant Investment LP | 98,442 | 0.91% | $1.8 million | 0.01% | -119,387 | 13F |
| Morgan Stanley | 88,902 | 0.82% | $1.6 million | 0.00% | -343,017 | 13F |
| Osaic Holdings, Inc. | 86,513 | 0.80% | $1.6 million | 0.00% | +84,886 | 13F |
| Sei Investments Co. | 84,393 | 0.78% | $1.5 million | 0.00% | -82,239 | 13F |
| Goldman Sachs Group Inc. | 75,306 | 0.70% | $1.4 million | 0.00% | -1,730 | 13F |
| Eddie Patel Inc | 72,895 | 0.67% | $1.3 million | 0.79% | +5,836 | 13F |
| UBS Group AG | 72,184 | 0.67% | $1.3 million | 0.00% | -334,830 | 13F |
| Citadel Advisors LLC | 71,202 | 0.66% | $1.3 million | 0.00% | -285,474 | 13F |
| Russell Investments Group, Ltd. | 66,596 | 0.62% | $1.2 million | 0.00% | new | 13F |
| Charles Schwab Investment Management Inc. | 65,276 | 0.60% | $1.2 million | 0.00% | +52,365 | 13F |
| Bank of New York Mellon Corp | 62,473 | 0.58% | $1.1 million | 0.00% | new | 13F |
| Raymond James Financial Inc. | 61,924 | 0.57% | $1.1 million | 0.00% | new | 13F |
| Citigroup Inc. | 54,956 | 0.51% | $999,100 | 0.00% | -20,732 | 13F |
| LPL Financial LLC | 54,225 | 0.50% | $985,811 | 0.00% | new | 13F |
| SG Americas Securities, LLC | 47,014 | 0.43% | $855,000 | 0.00% | +18,992 | 13F |
| Engineers Gate Manager LP | 41,732 | 0.39% | $758,688 | 0.01% | +12,732 | 13F |
| Penbrook Management LLC | 38,875 | 0.36% | $706,747 | 0.45% | -7,865 | 13F |
| Polymer Capital Management (HK) LTD | 38,000 | 0.35% | $690,840 | 0.07% | new | 13F |
| Inspire Investing, LLC | 37,967 | 0.35% | $690,240 | 0.03% | new | 13F |
| Nuveen, LLC | 36,308 | 0.34% | $660,080 | 0.00% | new | 13F |
| Stifel Financial Corp. | 32,920 | 0.30% | $598,488 | 0.00% | -4,993 | 13F |
| Bank of America Corp. | 32,151 | 0.30% | $584,505 | 0.00% | +8,912 | 13F |
| Calamos Advisors LLC | 31,973 | 0.30% | $581,269 | 0.00% | new | 13F |
| Thompson Siegel & Walmsley LLC | 31,788 | 0.29% | $578,000 | 0.01% | -65,175 | 13F |
| Optimus Capital Advisors, LLC | 30,000 | 0.28% | $545,400 | 0.29% | new | 13F |
| Rhumbline Advisers | 27,871 | 0.26% | $506,686 | 0.00% | new | 13F |
| Acadian Asset Management LLC | 27,282 | 0.25% | $495,000 | 0.00% | new | 13F |
| Wells Fargo & Company | 26,784 | 0.25% | $486,933 | 0.00% | +25,784 | 13F |
| Cantor Fitzgerald, L. P. | 26,098 | 0.24% | $474,462 | 0.01% | 13F |
The 50 largest of the 108 funds that reported a position in OSS in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on OSS
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Puts | 822,100 | $14.9 million | 30 June 2026 | 13F |
| Citadel Advisors | Calls | 279,700 | $5.1 million | 30 June 2026 | 13F |
| Point72 Asset Management | Calls | 48,100 | $874,458 | 30 June 2026 | 13F |
| Point72 Asset Management | Puts | 21,500 | $390,870 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 9 October 2026 | 13G/A | Galkin Vladimir and 5 others | 200,000 | 0.8% | 7 October 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 31 July 2026 | 13G/A | Galkin Vladimir and 5 others | 1.5 million | 6.1% | 31 July 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 29 July 2026 | 13G | BlackRock, Inc. and 1 other | 1.8 million | 7.4% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 24 July 2026 | 13G | Galkin Vladimir and 5 others | 1.2 million | 5.0% | 24 July 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 13 May 2026 | 13G | Jane Street Group, LLC and 5 others | 1.4 million | 5.6% | 7 May 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 17 February 2026 | 13G/A | Lynrock Lake LP and 5 others | 665,918 | 2.7% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 13 February 2026 | 13G/A | Bard Associates Inc and 1 other | 540,100 | 2.2% | 7 November 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 18 November 2025 | 13G/A | Lynrock Lake LP and 5 others | 1.4 million | 6.6% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 21 August 2026 | 218 | $11.40 | SEC |
| 5 August 2026 | 95 | $14.27 | SEC |
| 31 July 2026 | 1,354 | $12.00 | SEC |
| 30 July 2026 | 246 | $10.87 | SEC |
| 24 July 2026 | 45 | $13.31 | SEC |
| 23 July 2026 | 50 | $13.01 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.