One Stop Systems, Inc.

OSS

Exchange: Nasdaq
Industry: Electronic Computers
SEC CIK: 0001394056

SEC filings (opens in a new tab)

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 $193.4M in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding One Stop Systems, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of OSS: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	77	1	108	+32
Shares	8.33M	17.0K	10.7M	+2.34M (+28.1%)
Value	$63.1M	$128.7K	$193.4M	+$130.4M (+207.0%)

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (51)

Institutions that held One Stop Systems, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to OSS in Q2 2026
Institution	Shares	Value	% of portfolio
Palisades Investment Partners, LLC	414,392	$7.53M	2.14%
Qube Research & Technologies Ltd	318,919	$5.80M	0.01%
Two Sigma Investments, LP	162,193	$2.95M	0.00%
Vanguard Portfolio Management LLC	155,408	$2.83M	0.00%
New York State Common Retirement Fund	147,343	$2.68M	0.00%
Dimensional Fund Advisors LP	146,871	$2.67M	0.00%
Russell Investments Group, Ltd.	66,596	$1.21M	0.00%
Bank of New York Mellon Corp	62,473	$1.14M	0.00%
Raymond James Financial Inc	61,924	$1.13M	0.00%
LPL Financial LLC	54,225	$985.8K	0.00%
Polymer Capital Management (HK) LTD	38,000	$690.8K	0.07%
CWM Advisors, LLC	37,967	$690.2K	0.03%
Nuveen, LLC	36,308	$660.1K	0.00%
Calamos Advisors LLC	31,973	$581.3K	0.00%
Optimus Capital Advisors, LLC	30,000	$545.4K	0.29%
Rhumbline Advisers	27,871	$506.7K	0.00%
Acadian Asset Management LLC	27,282	$495.0K	0.00%
Deutsche Bank AG	22,348	$406.3K	0.00%
Fox Run Management, L.L.C.	22,208	$403.7K	0.07%
Price T Rowe Associates Inc	18,450	$336.0K	0.00%
State of Wyoming	15,423	$280.4K	0.03%
Clear Street Group Inc.	14,250	$259.1K	0.00%
Cornerstone Investment Partners, LLC	14,218	$258.5K	0.01%
Marex Group plc	13,700	$249.1K	0.00%
MetLife Investment Management	13,347	$242.6K	0.00%
Cantor Fitzgerald, L. P.	13,049	$237.2K	0.00%
LMR Partners LLP	12,571	$228.5K	0.00%
Invesco Ltd.	12,209	$222.0K	0.00%
Total Clarity Wealth Management, Inc.	11,494	$209.0K	0.04%
Spark Investment Management LLC	11,400	$207.3K	0.40%
Savant Capital, LLC	16,000	$206.0K	0.00%
Connective Capital Management, LLC	11,198	$203.6K	0.14%
HighTower Advisors, LLC	10,365	$188.4K	0.00%
JPMorgan Chase & Co	9,315	$154.4K	0.00%
Alliancebernstein L.P.	16,830	$127.4K	0.00%
Police & Firemen's Retirement System of New Jersey	6,627	$120.5K	0.00%
Quantbot Technologies LP	6,082	$110.6K	0.00%
STRS Ohio	4,400	$80.0K	0.00%
Global Retirement Partners, LLC	4,000	$72.7K	0.00%
National Bank of Canada	3,500	$63.6K	0.00%
Legal & General Group Plc	2,172	$39.5K	0.00%
Ameritas Investment Partners, Inc.	2,039	$37.1K	0.00%
Farther Finance Advisors, LLC	1,500	$27.3K	0.00%
Founders Capital Management	600	$10.9K	0.00%
Northwestern Mutual Wealth Management Co	481	$8.74K	0.00%
California State Teachers Retirement System	309	$5.62K	0.00%
Parallel Advisors, LLC	100	$1.82K	0.00%
Sterling Capital Management LLC	79	$1.44K	0.00%
Quarry LP	60	$1.09K	0.00%
SHP Wealth Management	25	$455	0.00%
Essential Investment Partners LLC	15	$273	0.00%

Sold out (19)

Institutions that held One Stop Systems, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of OSS in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Marshall Wace, LLP	418,978	$3.17M
Susquehanna International Group, LLP	236,299	$1.79M
HRT Financial LP	79,005	$598.0K
Oxford Asset Management LLP	64,403	$487.5K
Virtu Financial LLC	61,458	$465.0K
683 Capital Management, LLC	60,000	$454.2K
XTX Topco Ltd	50,862	$385.0K
Hudson Bay Capital Management LP	37,376	$282.9K
Centiva Capital, LP	33,627	$254.6K
Schonfeld Strategic Advisors LLC	29,480	$223.2K
Hillsdale Investment Management Inc.	28,844	$218.3K
Mangrove Partners	23,889	$180.8K
Landscape Capital Management, L.L.C.	17,269	$130.7K
Omers Administration Corp	15,200	$115.1K
IMC-Chicago, LLC	11,187	$84.7K
Nkcfo LLC	10,000	$76.0K
Advisory Services Network, LLC	2,341	$17.7K
MAI Capital Management	226	$1.71K
Root Financial Partners, LLC	65	$492

Not filed for Q2 2026 yet (1)

Institutions that held One Stop Systems, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding OSS in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Anfield Capital Management, LLC	17,000	$128.7K