Security key
68247W109
ONE STOP SYSTEMS, INC. - Common Stock, par value $0.0001 per share (OSS)
CUSIP: 68247W109
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Total 13F shares
- 8,333,039
- Total 13F value
- $63,110,294
- Share change
- -783,559
- Put/Call ratio
- 84%
- SEC-reported price per share
- $7.57
- Number of holders
- 77
- Value change
- -$5,036,277
- Number of buys
- 46
- Number of sells
- 39
- Shares outstanding
- 24,590,164
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
77
Top holders
10
OSS full security history
Ownership snapshot
Full 13F holder table
ONE STOP SYSTEMS, INC. SEC filings
ONE STOP SYSTEMS, INC. company facts
Broader feeds
Ownership snapshot
Top reported holders 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. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Horton Capital Partners F...
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
07 Feb 2026
13D/G
13F
3/4/5
Lead comparable stake: 4.3%
13D/G row: Horton Capital Partners Fund, L.P.
Showing 1-6 of 15 holder rows.
Quick read
Horton Capital Partners Fund, L.P. leads the comparable SEC ownership view at 4.3%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Horton Capital Partners Fund, L.P.'s linked filing trail.
Comparable ownership
Top 5
Horton Capital Partners Fund, L.P.
4.3%
Lynrock Lake LP
2.7%
BARD ASSOCIATES INC
2.2%
James Ison
1.5%
David George Bassett
0.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Horton Capital Partners Fund, L.P. |
13D/G
Manko Joseph M. Jr.
|
4.3%
|
$2,026,821
938,343 shares
|
-$556,321 | 04 Jun 2025 |
| Lynrock Lake LP |
13D/G
13F
Company
|
2.7%
|
$7,524,873
665,918 shares
|
-$8,788,790 | 31 Dec 2025 |
| BARD ASSOCIATES INC |
13F
13D/G
Company
|
2.2%
from 13D/G
|
$6,109,161
850,858 shares
|
— | 31 Dec 2025 |
| James Ison |
3/4/5
CPO
|
1.5%
|
$3,961,843
373,055 shares
|
— | 07 Feb 2026 |
| David George Bassett |
3/4/5
Director
|
0.1%
|
$440,717
24,984 shares
|
-$141,120 | 21 May 2025 |
| VANGUARD GROUP INC |
13F
Company
|
4.3%
|
$7,569,630
1,054,266 shares
|
— | 31 Dec 2025 |
How to read this table
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.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
77
Shares
8,333,039
Rows available
77
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
77
Q1 2026 holders
77
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|