Latest Period
Q1 2026
Security Snapshot
ONE STOP SYSTEMS, INC. - Common Stock, par value $0.0001 per share (OSS) Institutional Ownership
CUSIP: 68247W109
13F Institutional Holders and Ownership History from Q1 2018 to Q1 2026
Institutions Reporting
77
Shares (Excl. Options)
8,333,039
Price
$7.57
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- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- OSS on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 8,333,039
- Total 13F value
- $63,110,294
- Portfolio coverage rank
- 0%
- Share change
- -783,559
- Value change
- -$5,036,277
- Number of holders
- 77
- Shares outstanding
- 24,798,464
- SEC-reported price per share
- $15.86
- Insider filing price
- $15.86
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- OSS - ONE STOP SYSTEMS, INC. - Common Stock, par value $0.0001 per share is tracked under CUSIP 68247W109.
- 77 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 69 to 77 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $66,755,294 to $63,110,294.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 77 institutions filings for Q1 2026.
Security key
68247W109
Latest holder period
Q1 2026
13F holders
77
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
OSS full holder history
ONE STOP SYSTEMS, INC. SEC filings
ONE STOP SYSTEMS, INC. company facts
ONE STOP SYSTEMS, INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 68247W109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
OSS
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| JANE STREET GROUP, LLC | 5.6% | $12,304,006 | 1,388,714 | JANE STREET GROUP, LLC | 07 May 2026 | |||
| Horton Capital Partners Fund, L.P. | 4.3% | -22% | $2,026,821 | -$556,321 | 938,343 | -22% | Manko Joseph M. Jr. | 04 Jun 2025 |
| Lynrock Lake LP | 2.7% | -56% | $7,524,873 | -$8,788,790 | 665,918 | -54% | Lynrock Lake LP | 31 Dec 2025 |
| BARD ASSOCIATES INC | 2.2% | $6,103,130 | 540,100 | BARD ASSOCIATES INC | 07 Nov 2025 |
As of 31 Mar 2026, 77 institutional investors reported holding 8,333,039 shares of ONE STOP SYSTEMS, INC. - Common Stock, par value $0.0001 per share (OSS). This represents 34% of the company’s total 24,798,464 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
30%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 3.9% | 959,588 | 0% | 0% | $7,264,081 |
| JANE STREET GROUP, LLC | 3.5% | 874,558 | +45% | 0.01% | $6,620,404 |
| BlackRock, Inc. | 2.4% | 597,303 | +335% | 0% | $4,521,583 |
| BARD ASSOCIATES INC | 2.2% | 540,666 | -36% | 1% | $4,092,842 |
| MORGAN STANLEY | 1.7% | 431,919 | +594% | 0% | $3,269,627 |
| MARSHALL WACE, LLP | 1.7% | 418,978 | +53% | 0% | $3,171,663 |
| UBS Group AG | 1.6% | 407,014 | +5705% | 0% | $3,081,096 |
| MILLENNIUM MANAGEMENT LLC | 1.6% | 400,729 | +865% | 0% | $3,033,519 |
| CITADEL ADVISORS LLC | 1.4% | 356,676 | +145% | 0% | $2,700,037 |
| RENAISSANCE TECHNOLOGIES LLC | 1% | 259,960 | -31% | 0% | $1,967,897 |
| DNB Asset Management AS | 1% | 252,733 | +65% | 0.01% | $1,913,189 |
| GEODE CAPITAL MANAGEMENT, LLC | 1% | 252,453 | +5.9% | 0% | $1,912,022 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.95% | 236,299 | -8.8% | 0% | $1,788,783 |
| Trexquant Investment LP | 0.88% | 217,829 | -15% | 0.01% | $1,648,966 |
| SEI INVESTMENTS CO | 0.67% | 166,632 | +67% | 0% | $1,261,404 |
| Cambridge Investment Research Advisors, Inc. | 0.59% | 145,624 | +29% | 0% | $1,102,000 |
| Informed Momentum Co LLC | 0.55% | 135,989 | -17% | 0.12% | $1,029,437 |
| VANGUARD FIDUCIARY TRUST CO | 0.52% | 128,759 | 0% | 0% | $974,706 |
| STATE STREET CORP | 0.41% | 101,676 | +20% | 0% | $769,687 |
| THOMPSON SIEGEL & WALMSLEY LLC | 0.39% | 96,963 | -37% | 0.01% | $734,000 |
| HRT FINANCIAL LP | 0.32% | 79,005 | 0% | $598,000 | |
| GOLDMAN SACHS GROUP INC | 0.31% | 77,036 | -40% | 0% | $583,163 |
| CITIGROUP INC | 0.31% | 75,688 | +1572% | 0% | $572,958 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.3% | 73,865 | 0% | $559,158 | |
| Eddie Patel Inc | 0.27% | 67,059 | 0.39% | $507,638 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
33
Latest
Q1 2026
Rows shown
1-25 of 33
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 8,333,039 | $63,110,294 | -$5,036,277 | $7.57 | 77 |
| 2025 Q4 | 9,298,038 | $66,755,294 | -$1,638,563 | $7.18 | 69 |
| 2025 Q3 | 9,713,088 | $52,059,498 | +$17,674,597 | $5.36 | 58 |
| 2025 Q2 | 6,432,455 | $22,835,306 | +$3,929,361 | $3.55 | 39 |
| 2025 Q1 | 5,322,190 | $12,346,060 | -$52,732 | $2.32 | 33 |
| 2024 Q4 | 5,275,157 | $17,672,440 | +$818,138 | $3.35 | 37 |
| 2024 Q3 | 5,064,221 | $12,092,345 | -$1,002,765 | $2.39 | 27 |
| 2024 Q2 | 5,481,799 | $13,195,256 | +$139,984 | $2.41 | 32 |
| 2024 Q1 | 5,423,818 | $17,661,927 | -$485,752 | $3.26 | 24 |
| 2023 Q4 | 5,630,447 | $11,821,299 | +$69,144 | $2.10 | 27 |
| 2023 Q3 | 5,575,911 | $10,290,435 | -$729,281 | $1.85 | 25 |
| 2023 Q2 | 5,799,533 | $16,606,949 | -$57,284 | $2.87 | 25 |
| 2023 Q1 | 5,835,509 | $14,471,974 | +$657,523 | $2.48 | 26 |
| 2022 Q4 | 5,570,143 | $16,734,084 | +$781,059 | $3.01 | 25 |
| 2022 Q3 | 5,311,920 | $16,998,000 | +$480,790 | $3.20 | 24 |
| 2022 Q2 | 5,152,686 | $20,273,000 | +$1,936,449 | $3.94 | 22 |
| 2022 Q1 | 4,663,774 | $17,812,000 | -$2,177,243 | $3.82 | 28 |
| 2021 Q4 | 5,019,292 | $24,844,966 | +$2,664,171 | $4.95 | 32 |
| 2021 Q3 | 4,449,579 | $22,380,000 | +$406,581 | $5.03 | 30 |
| 2021 Q2 | 4,349,624 | $25,145,000 | +$2,562,155 | $5.79 | 33 |
| 2021 Q1 | 3,898,011 | $24,666,000 | -$3,469,184 | $6.34 | 34 |
| 2020 Q4 | 4,671,117 | $18,668,928 | +$1,050,129 | $4.00 | 26 |
| 2020 Q3 | 4,415,312 | $9,271,000 | +$374,209 | $2.10 | 19 |
| 2020 Q2 | 4,240,801 | $8,456,000 | -$1,459,168 | $1.97 | 16 |
| 2020 Q1 | 5,289,869 | $7,616,000 | +$530,487 | $1.44 | 23 |