One Stop Systems OSS Institutional Ownership

NASDAQ OSS

$6.06 -0.02 (-0.33%)

At close: Oct 20, 2026 · 4:00 PM EDT

Institutions by Trading Activity

109 Institutions

Increased 80 73.4%

Unchanged 6 5.5%

Reduced 23 21.1%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

42.71%

▲+9.08 pp QoQ

Shares Held by Institutions

10.65Mn

of 24.94Mn outstanding

▲+27.87% QoQ

Shares Outstanding

24.94Mn

14.29Mn held outside 13F filers

Institutional Investors

109

filed 13F for Jun 2026

▲+33 vs prior quarter

Net Shares Added (QoQ)

+2.32Mn

accumulated since last quarter

Value of Holdings

$69.77Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 10, 2026

One Stop Systems, Inc. (NASDAQ:OSS) appeared in the 13F filings of 109 institutional investors for the quarter ended June 30, 2026.

Collectively, these holders controlled 42.71% of One Stop Systems' outstanding shares in Q2 2026, up from 33.63% in Q1 2026.
Total holdings of One Stop Systems shares rose 27.87% from Q1 2026, and the number of holders rose 202.78% from Q2 2025.
Among the 109 holders of One Stop Systems, 80 added to their positions, 23 reduced their stakes and 6 left their positions unchanged.
Institutional investors held 10.65Mn shares of One Stop Systems in total at the end of Q2 2026, up 2.32Mn from the prior quarter and up 4.46Mn from a year earlier.
BlackRock, Inc. led 13F holders of OSS with 1.84Mn shares as of June 30, 2026, or 7.37% of shares outstanding.
Among existing holders, the largest additions to One Stop Systems in Q2 2026 came from BlackRock, Inc. (+1.24Mn shares), Jane Street Group, LLC (+434.9K shares), Geode Capital Management, LLC (+320.46K shares), State Street Corp (+282.58K shares) and Renaissance Technologies LLC (+147.9K shares).
The biggest cuts to OSS positions during Q2 2026 came from Morgan Stanley (-343.02K shares), UBS Group AG (-334.83K shares), Citadel Advisors LLC (-285.47K shares), DnB Asset Management AS (-133.97K shares) and Trexquant Investment LP (-119.39K shares).
According to Business Quant data, the leading holders of OSS for Q2 2026 were BlackRock, Inc. (1.84Mn shares), Jane Street Group, LLC (1.31Mn shares), Vanguard Capital Management LLC (974.57K shares), Geode Capital Management, LLC (572.92K shares), Bard Associates Inc (526.37K shares), Palisades Investment Partners, LLC (414.39K shares), Renaissance Technologies LLC (407.86K shares), State Street Corp (384.26K shares), Millennium Management LLC (337.71K shares) and Qube Research & Technologies Ltd (318.92K shares).

Form 13F Holdings

109 Institutional Holders

Report period 30 Jun, 2026

Total shares held 10.65Mn

Of outstanding 42.71%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	1,837,840	7.37%	▲1,240,537	+207.69%	$33.41Mn
2	JANE STREET GROUP, LLC	0001595888	1,309,455	5.25%	▲434,897	+49.73%	$23.81Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	974,568	3.91%	▲14,980	+1.56%	$17.72Mn
4	GEODE CAPITAL MANAGEMENT, LLC	0001214717	572,918	2.30%	▲320,465	+126.94%	$10.42Mn
5	BARD ASSOCIATES INC	0001105907	526,370	2.11%	▼14,296	-2.64%	$9.57Mn
6	Palisades Investment Partners, LLC	0001427373	414,392	1.66%	▲414,392	0.00%	$7.53Mn
7	RENAISSANCE TECHNOLOGIES LLC	0001037389	407,860	1.64%	▲147,900	+56.89%	$7.41Mn
8	State Street Corp	0000093751	384,259	1.54%	▲282,583	+277.93%	$6.99Mn
9	MILLENNIUM MANAGEMENT LLC	0001273087	337,710	1.35%	▼63,019	-15.73%	$6.14Mn
10	Qube Research & Technologies Ltd	0001729829	318,919	1.28%	▲318,919	0.00%	$5.80Mn
11	Northern Trust Corp	0000073124	178,101	0.71%	▲131,127	+279.15%	$3.24Mn
12	TWO SIGMA INVESTMENTS, LP	0001179392	162,193	0.65%	▲162,193	0.00%	$2.95Mn
13	VANGUARD FIDUCIARY TRUST CO	0000933478	157,365	0.63%	▲28,606	+22.22%	$2.86Mn
14	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	155,408	0.62%	▲155,408	0.00%	$2.83Mn
15	Cambridge Investment Research Advisors, Inc.	0001419186	149,292	0.60%	▲3,668	+2.52%	$2.71K
16	NEW YORK STATE COMMON RETIREMENT FUND	0000810265	147,343	0.59%	▲147,343	0.00%	$2.68Mn
17	DIMENSIONAL FUND ADVISORS LP	0000354204	146,871	0.59%	▲146,871	0.00%	$2.67Mn
18	Squarepoint Ops LLC	0001642575	131,346	0.53%	▲72,870	+124.62%	$2.39Mn
19	Informed Momentum Co LLC	0001510989	130,568	0.52%	▼5,421	-3.99%	$2.37Mn
20	DnB Asset Management AS	0001456670	118,759	0.48%	▼133,974	-53.01%	$2.16Mn

Showing 1 to 20 of 109 holders