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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 $196.3M 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.

Institutional holdersQ2 2026: 108 institutions
Q1 2021: 37 institutionsQ2 2021: 33 institutionsQ3 2021: 30 institutionsQ4 2021: 34 institutionsQ1 2022: 29 institutionsQ2 2022: 25 institutionsQ3 2022: 27 institutionsQ4 2022: 25 institutionsQ1 2023: 26 institutionsQ2 2023: 26 institutionsQ3 2023: 26 institutionsQ4 2023: 29 institutionsQ1 2024: 25 institutionsQ2 2024: 34 institutionsQ3 2024: 27 institutionsQ4 2024: 37 institutionsQ1 2025: 33 institutionsQ2 2025: 39 institutionsQ3 2025: 59 institutionsQ4 2025: 69 institutionsQ1 2026: 77 institutionsQ2 2026: 108 institutions
Value heldQ2 2026: $196.3M
Q1 2021: $24.7MQ2 2021: $25.1MQ3 2021: $22.4MQ4 2021: $24.8MQ1 2022: $17.8MQ2 2022: $20.3MQ3 2022: $17.0MQ4 2022: $16.7MQ1 2023: $14.5MQ2 2023: $16.6MQ3 2023: $10.3MQ4 2023: $11.8MQ1 2024: $17.7MQ2 2024: $13.2MQ3 2024: $12.1MQ4 2024: $17.7MQ1 2025: $12.3MQ2 2025: $22.8MQ3 2025: $52.1MQ4 2025: $66.8MQ1 2026: $63.1MQ2 2026: $196.3M
Institutions holding OSS and their total value by quarter
QuarterHoldersValue
Q2 2026108$196.3M
Q1 202677$63.1M
Q4 202569$66.8M
Q3 202559$52.1M
Q2 202539$22.8M
Q1 202533$12.3M
Q4 202437$17.7M
Q3 202427$12.1M
Q2 202434$13.2M
Q1 202425$17.7M
Q4 202329$11.8M
Q3 202326$10.3M
Q2 202326$16.6M
Q1 202326$14.5M
Q4 202225$16.7M
Q3 202227$17.0M
Q2 202225$20.3M
Q1 202229$17.8M
Q4 202134$24.8M
Q3 202130$22.4M
Q2 202133$25.1M
Q1 202137$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.

Institutions holding OSS in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Essential Investment Partners LLC15$2730.00%+15New
SHP Wealth Management25$4550.00%+25New
Quarry LP60$1.09K0.00%+60New
Sterling Capital Management LLC79$1.44K0.00%+79New
Strive Financial Group ,LLC100$1.82K0.00%00.0%Unchanged
Parallel Advisors, LLC100$1.82K0.00%+100New
California State Teachers Retirement System309$5.62K0.00%+309New
Northwestern Mutual Wealth Management Co481$8.74K0.00%+481New
SRS Capital Advisors, Inc.546$9.93K0.00%−1,925−77.9%Reduced
Steward Partners Investment Advisory, LLC594$10.8K0.00%+394+197.0%Added
Founders Capital Management600$10.9K0.00%+600New
Hurley Capital, LLC622$11.3K0.01%00.0%Unchanged
Lynrock Lake LP666$12.1K0.00%00.0%Unchanged
FMR LLC996$18.1K0.00%+940+1,678.6%Added
Jones Financial Companies LLLP1,465$23.8K0.00%+1,291+742.0%Added
Royal Bank of Canada1,315$24.0K0.00%+763+138.2%Added
Tower Research Capital LLC (TRC)1,340$24.4K0.00%−3,414−71.8%Reduced
SBI Securities Co., Ltd.1,372$24.9K0.00%+1,358+9,700.0%Added
Farther Finance Advisors, LLC1,500$27.3K0.00%+1,500New
Ameritas Investment Partners, Inc.2,039$37.1K0.00%+2,039New
Legal & General Group Plc2,172$39.5K0.00%+2,172New
GWM Advisors LLC2,500$45.5K0.00%−520−17.2%Reduced
National Bank of Canada3,500$63.6K0.00%+3,500New
Smartleaf Asset Management LLC4,000$66.3K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA3,899$70.9K0.00%+1,903+95.3%Added
Global Retirement Partners, LLC4,000$72.7K0.00%+4,000New
STRS Ohio4,400$80.0K0.00%+4,400New
Quantbot Technologies LP6,082$110.6K0.00%+6,082New
Police & Firemen's Retirement System of New Jersey6,627$120.5K0.00%+6,627New
Alliancebernstein L.P.16,830$127.4K0.00%+16,830New
Vanguard Global Advisers, LLC7,884$143.3K0.00%−2,935−27.1%Reduced
JPMorgan Chase & Co9,315$154.4K0.00%+9,315New
Strait & Sound Wealth Management LLC10,000$181.8K0.06%−1,044−9.5%Reduced
HighTower Advisors, LLC10,365$188.4K0.00%+10,365New
Connective Capital Management, LLC11,198$203.6K0.14%+11,198New
RSM US Wealth Management LLC11,306$205.5K0.00%00.0%Unchanged
Savant Capital, LLC16,000$206.0K0.00%+16,000New
Spark Investment Management LLC11,400$207.3K0.40%+11,400New
Total Clarity Wealth Management, Inc.11,494$209.0K0.04%+11,494New
Brevan Howard Capital Management LP12,168$221.2K0.00%−31,003−71.8%Reduced
McAdam, LLC12,198$221.8K0.01%−548−4.3%Reduced
Invesco Ltd.12,209$222.0K0.00%+12,209New
LMR Partners LLP12,571$228.5K0.00%+12,571New
Cantor Fitzgerald, L. P.13,049$237.2K0.00%+13,049New
MetLife Investment Management13,347$242.6K0.00%+13,347New
Marex Group plc13,700$249.1K0.00%+13,700New
Cornerstone Investment Partners, LLC14,218$258.5K0.01%+14,218New
Clear Street Group Inc.14,250$259.1K0.00%+14,250New
Barclays PLC14,679$266.9K0.00%−5,824−28.4%Reduced
State of Wyoming15,423$280.4K0.03%+15,423New
Apollon Wealth Management, LLC16,195$294.4K0.00%−4,845−23.0%Reduced
Caitong International Asset Management Co., Ltd17,337$315.2K0.04%+13,705+377.3%Added
Occudo Quantitative Strategies LP18,117$329.4K0.02%+4,379+31.9%Added
Price T Rowe Associates Inc18,450$336.0K0.00%+18,450New
Lodestone Wealth Management LLC19,637$357.0K0.13%+12,834+188.7%Added
Baker Tilly Wealth Management, LLC20,000$363.6K0.08%00.0%Unchanged
Fox Run Management, L.L.C.22,208$403.7K0.07%+22,208New
Deutsche Bank AG22,348$406.3K0.00%+22,348New
Essex Investment Management Co LLC25,674$466.8K0.06%−9,860−27.7%Reduced
Wells Fargo & Company26,784$486.9K0.00%+25,784+2,578.4%Added
Acadian Asset Management LLC27,282$495.0K0.00%+27,282New
Rhumbline Advisers27,871$506.7K0.00%+27,871New
Optimus Capital Advisors, LLC30,000$545.4K0.29%+30,000New
Thompson Siegel & Walmsley LLC31,788$578.0K0.01%−65,175−67.2%Reduced
Calamos Advisors LLC31,973$581.3K0.00%+31,973New
Bank of America Corp32,151$584.5K0.00%+8,912+38.3%Added
Stifel Financial Corp32,920$598.5K0.00%−4,993−13.2%Reduced
Nuveen, LLC36,308$660.1K0.00%+36,308New
CWM Advisors, LLC37,967$690.2K0.03%+37,967New
Polymer Capital Management (HK) LTD38,000$690.8K0.07%+38,000New
Penbrook Management LLC38,875$706.7K0.45%−7,865−16.8%Reduced
Engineers Gate Manager LP41,732$758.7K0.01%+12,732+43.9%Added
SG Americas Securities, LLC47,014$855.0K0.00%+18,992+67.8%Added
LPL Financial LLC54,225$985.8K0.00%+54,225New
Citigroup Inc54,956$999.1K0.00%−20,732−27.4%Reduced
Raymond James Financial Inc61,924$1.13M0.00%+61,924New
Bank of New York Mellon Corp62,473$1.14M0.00%+62,473New
Charles Schwab Investment Management Inc65,276$1.19M0.00%+52,365+405.6%Added
Russell Investments Group, Ltd.66,596$1.21M0.00%+66,596New
Citadel Advisors LLC71,202$1.29M0.00%−285,474−80.0%Reduced
UBS Group AG72,184$1.31M0.00%−334,830−82.3%Reduced
Eddie Patel Inc72,895$1.33M0.79%+5,836+8.7%Added
Goldman Sachs Group Inc75,306$1.37M0.00%−1,730−2.2%Reduced
SEI Investments Co84,393$1.53M0.00%−82,239−49.4%Reduced
Advisor Group Holdings, Inc.86,513$1.57M0.00%+84,886+5,217.3%Added
Morgan Stanley88,902$1.62M0.00%−343,017−79.4%Reduced
Trexquant Investment LP98,442$1.79M0.01%−119,387−54.8%Reduced
Mirae Asset Global ETFs Holdings Ltd.99,272$1.80M0.00%+25,407+34.4%Added
DnB Asset Management AS118,759$2.16M0.01%−133,974−53.0%Reduced
EAM Investors, LLC130,568$2.37M0.21%−5,421−4.0%Reduced
Squarepoint Ops LLC131,346$2.39M0.00%+72,870+124.6%Added
Dimensional Fund Advisors LP146,871$2.67M0.00%+146,871New
New York State Common Retirement Fund147,343$2.68M0.00%+147,343New
Cambridge Investment Research Advisors, Inc.149,292$2.71M0.01%+3,668+2.5%Added
Vanguard Portfolio Management LLC155,408$2.83M0.00%+155,408New
Vanguard Fiduciary Trust Co157,365$2.86M0.00%+28,606+22.2%Added
Two Sigma Investments, LP162,193$2.95M0.00%+162,193New
Northern Trust Corp178,101$3.24M0.00%+131,127+279.1%Added
Qube Research & Technologies Ltd318,919$5.80M0.01%+318,919New
Millennium Management LLC337,710$6.14M0.00%−63,019−15.7%Reduced