Security key
68247W109
ONE STOP SYSTEMS, INC. - Common Stock, par value $0.0001 per share (OSS)
CUSIP: 68247W109
Q3 2025 13F Holders as of 30 Sep 2025
- Type / Class
- Equity / Common Stock, par value $0.0001 per share
- Shares outstanding
- 24,798,464
- Total 13F shares
- 9,713,088
- Share change
- +3,280,633
- Total reported value
- $52,059,498
- Put/Call ratio
- 178%
- Price per share
- $5.36
- Number of holders
- 58
- Value change
- +$17,674,597
- Number of buys
- 42
- Number of sells
- 18
Report period
Q3 2025
Institutions
58
Top holders
10
OSS full security history
Newer quarter: Q4 2025
Previous quarter: Q2 2025
ONE STOP SYSTEMS, INC. SEC filings
ONE STOP SYSTEMS, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 68247W109
Recent filing periods:
Top shareholders of OSS - ONE STOP SYSTEMS, INC. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Horton Capital Partners Fund, L.P. |
13D/G
|
Manko Joseph M. Jr. |
4.3%
|
938,343
|
$2,026,821 | -$556,321 | 04 Jun 2025 | |
| Michael J. Dumont |
3/4/5
|
Director |
0.43%
|
107,849
|
$232,953 | — | 21 May 2025 | |
| Gregory W. Matz |
3/4/5
|
Director |
0.3%
|
74,930
|
$161,848 | — | 21 May 2025 | |
| Mitchell H. Herbets |
3/4/5
|
Director |
0.17%
|
42,000
|
$90,720 | — | 21 May 2025 | |
| Lynrock Lake LP |
13F
|
Company |
8.3%
|
2,049,374
|
$7,275,278 | — | 30 Jun 2025 | |
| BARD ASSOCIATES INC |
13F
|
Company |
3.8%
|
947,857
|
$3,364,893 | — | 30 Jun 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
3%
|
743,221
|
$2,638,435 | — | 30 Jun 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
1.9%
|
476,393
|
$1,691,193 | — | 30 Jun 2025 | |
| Pacific Ridge Capital Partners, LLC |
13F
|
Company |
1.8%
|
454,872
|
$1,614,796 | — | 30 Jun 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
1.1%
|
268,182
|
$952,046 | — | 30 Jun 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.81%
|
199,729
|
$709,200 | — | 30 Jun 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.62%
|
153,538
|
$545,060 | — | 30 Jun 2025 | |
| Archon Capital Management LLC |
13F
|
Company |
0.62%
|
153,098
|
$543,498 | — | 30 Jun 2025 | |
| Informed Momentum Co LLC |
13F
|
Company |
0.55%
|
135,388
|
$480,627 | — | 30 Jun 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.41%
|
101,860
|
$361,603 | — | 30 Jun 2025 | |
| BlackRock, Inc. |
13F
|
Company |
0.37%
|
92,226
|
$327,402 | — | 30 Jun 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.34%
|
84,976
|
$301,665 | — | 30 Jun 2025 | |
| ESSEX INVESTMENT MANAGEMENT CO LLC |
13F
|
Company |
0.29%
|
72,791
|
$258,408 | — | 30 Jun 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.29%
|
72,503
|
$257,386 | — | 30 Jun 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.22%
|
55,631
|
$197,490 | — | 30 Jun 2025 | |
| Virtu Financial LLC |
13F
|
Company |
0.2%
|
50,425
|
$179,000 | — | 30 Jun 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.18%
|
44,289
|
$157,226 | — | 30 Jun 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.16%
|
39,158
|
$139,000 | — | 30 Jun 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.15%
|
38,371
|
$136,217 | — | 30 Jun 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.15%
|
37,020
|
$131,421 | — | 30 Jun 2025 | |
| Cubist Systematic Strategies, LLC |
13F
|
Company |
0.09%
|
21,290
|
$75,580 | — | 30 Jun 2025 | |
| BAKER TILLY WEALTH MANAGEMENT, LLC |
13F
|
Company |
0.08%
|
20,000
|
$71,000 | — | 30 Jun 2025 | |
| Legato Capital Management LLC |
13F
|
Company |
0.07%
|
17,132
|
$60,819 | — | 30 Jun 2025 | |
| Quadrature Capital Ltd |
13F
|
Company |
0.06%
|
16,025
|
$56,969 | — | 30 Jun 2025 | |
| SIMPLEX TRADING, LLC |
13F
|
Company |
0.05%
|
13,558
|
$48,000 | — | 30 Jun 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.05%
|
12,911
|
$45,834 | — | 30 Jun 2025 | |
| Walleye Capital LLC |
13F
|
Company |
0.05%
|
12,857
|
$45,642 | — | 30 Jun 2025 | |
| Granite Investment Partners, LLC |
13F
|
Company |
0.04%
|
11,068
|
$39,291 | — | 30 Jun 2025 | |
| Marex Group plc |
13F
|
Company |
0.04%
|
10,000
|
$35,500 | — | 30 Jun 2025 | |
| UBS Group AG |
13F
|
Company |
0.04%
|
8,731
|
$30,995 | — | 30 Jun 2025 | |
| GROUP ONE TRADING LLC |
13F
|
Company |
0.03%
|
8,348
|
$29,635 | — | 30 Jun 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.02%
|
5,017
|
$17,810 | — | 30 Jun 2025 | |
| MAI Capital Management |
13F
|
Company |
0.01%
|
1,441
|
$5,115 | — | 30 Jun 2025 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0%
|
1,144
|
$4,061 | — | 30 Jun 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0%
|
1,000
|
$3,550 | — | 30 Jun 2025 | |
| OSAIC HOLDINGS, INC. |
13F
|
Company |
0%
|
500
|
$1,775 | — | 30 Jun 2025 | |
| CITIGROUP INC |
13F
|
Company |
0%
|
330
|
$1,172 | — | 30 Jun 2025 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
0%
|
201
|
$714 | — | 30 Jun 2025 | |
| Steve D. Cooper |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
1,923,572
|
$3,481,665 | — | 22 Jan 2024 | |
| Joseph M. Manko Jr. |
3/4/5
|
Director |
—
class O/S missing
|
1,195,899
|
$2,379,839 | — | 13 Aug 2024 | |
| David Raun |
3/4/5
|
Director |
—
class O/S missing
|
425,597
|
$915,034 | — | 01 Apr 2024 | |
| Kenneth F. Potashner |
3/4/5
|
Director |
—
class O/S missing
|
398,601
|
$868,950 | — | 09 Jul 2024 | |
| John W. Morrison Jr. |
3/4/5
|
Chief Financial Officer |
—
class O/S missing
|
305,381
|
$668,784 | — | 11 Nov 2024 | |
| Jack Harrison |
3/4/5
|
Director |
—
class O/S missing
|
71,984
|
$150,447 | — | 17 Mar 2022 | |
| Gioia Messinger |
3/4/5
|
Director |
—
class O/S missing
|
49,690
|
$108,324 | — | 01 Jul 2024 |
Institutional Holders of ONE STOP SYSTEMS, INC. - Common Stock, par value $0.0001 per share (OSS) as of Q3 2025
As of 30 Sep 2025,
ONE STOP SYSTEMS, INC. - Common Stock, par value $0.0001 per share (OSS) was held by
58 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
9,713,088 shares.
The largest 10 holders included
Lynrock Lake LP, BARD ASSOCIATES INC, VANGUARD GROUP INC, CITADEL ADVISORS LLC, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP, MARSHALL WACE, LLP, Archon Capital Management LLC, Pacific Ridge Capital Partners, LLC, RENAISSANCE TECHNOLOGIES LLC, and JANE STREET GROUP, LLC.
This page lists
58
institutional shareholders reporting positions in this security
for the Q3 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
39
Q3 2025 holders
58
Holder diff
19
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 Value $ | Q3 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.