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
- 8,330,019
- Total 13F value
- $63,087,433
- Share change
- -786,579
- Put/Call ratio
- 84%
- SEC-reported price per share
- $7.57
- Number of holders
- 76
- Value change
- -$5,059,138
- Number of buys
- 45
- Number of sells
- 39
- Shares outstanding
- 24,798,464
Holder snapshot
7 signals
Show 1 more signal
Security identity
1 source field
Report period
Q1 2026
Institutions
76
Top holders
10
OSS full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 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:
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.
Comparable ownership
Top 5
Horton Capital Partners Fund, L.P.
4.3%
Lynrock Lake LP
2.7%
BARD ASSOCIATES INC
2.2%
Michael Knowles
2.6%
James Ison
1.5%
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 |
| Michael Knowles |
3/4/5
Chief Executive Officer, Director
|
2.6%
|
$5,638,104
648,058 shares
|
— | 07 Feb 2026 |
| 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 |
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
76
Shares
8,330,019
Rows available
76
| 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 Q4 2025 Across Filers
Q4 2025 holders
69
Q1 2026 holders
76
Holder diff
7
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend