Latest Period
Q2 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 Q2 2026
Institutions Reporting
107
Shares (Excl. Options)
10,634,905
Price
$18.18
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- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- OSS on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 10,634,905
- Total 13F value
- $193,235,903
- Portfolio coverage rank
- 0%
- Share change
- +2,316,963
- Value change
- +$54,546,197
- Number of holders
- 107
- Shares outstanding
- 24,590,164
- SEC-reported price per share
- $14.27
- Insider filing price
- $14.27
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.
- 107 institutions reported positions in Q2 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 77 to 107 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $63,110,294 to $193,235,903.
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 107 institutions filings for Q2 2026.
Security key
68247W109
Latest holder period
Q2 2026
13F holders
107
13D/G owners
6
CIK / CUSIP context first
Open Q2 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
6
Security
OSS
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 7.4% | $33,337,284 | 1,833,734 | BlackRock, Inc. | 30 Jun 2026 | |||
| Galkin Vladimir | 6.1% | +22% | $23,535,000 | +$4,079,400 | 1,500,000 | +21% | Galkin Vladimir | 31 Jul 2026 |
| 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 30 Jun 2026, 107 institutional investors reported holding 10,634,905 shares of ONE STOP SYSTEMS, INC. - Common Stock, par value $0.0001 per share (OSS). This represents 43% of the company’s total 24,590,164 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
37%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7.5% | 1,837,840 | +208% | 0% | $33,411,931 |
| JANE STREET GROUP, LLC | 5.3% | 1,309,455 | +50% | 0.02% | $23,805,892 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4% | 974,568 | +1.6% | 0% | $17,717,646 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 572,918 | +127% | 0% | $10,418,097 |
| BARD ASSOCIATES INC | 2.1% | 526,370 | -2.6% | 2.1% | $9,569,407 |
| Palisades Investment Partners, LLC | 1.7% | 414,392 | 2.1% | $7,533,647 | |
| RENAISSANCE TECHNOLOGIES LLC | 1.7% | 407,860 | +57% | 0.01% | $7,414,895 |
| STATE STREET CORP | 1.6% | 384,259 | +278% | 0% | $6,985,829 |
| MILLENNIUM MANAGEMENT LLC | 1.4% | 337,710 | -16% | 0% | $6,139,568 |
| Qube Research & Technologies Ltd | 1.3% | 318,919 | 0.01% | $5,797,947 | |
| NORTHERN TRUST CORP | 0.72% | 178,101 | +279% | 0% | $3,237,877 |
| TWO SIGMA INVESTMENTS, LP | 0.66% | 162,193 | 0% | $2,948,669 | |
| VANGUARD FIDUCIARY TRUST CO | 0.64% | 157,365 | +22% | 0% | $2,860,896 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.63% | 155,408 | 0% | $2,825,317 | |
| Cambridge Investment Research Advisors, Inc. | 0.61% | 149,292 | +2.5% | 0.01% | $2,714,000 |
| NEW YORK STATE COMMON RETIREMENT FUND | 0.6% | 147,343 | 0% | $2,678,696 | |
| DIMENSIONAL FUND ADVISORS LP | 0.6% | 146,871 | 0% | $2,670,115 | |
| Squarepoint Ops LLC | 0.53% | 131,346 | +125% | 0% | $2,387,870 |
| Informed Momentum Co LLC | 0.53% | 130,568 | -4% | 0.21% | $2,373,726 |
| DNB Asset Management AS | 0.48% | 118,759 | -53% | 0.01% | $2,159,039 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.4% | 99,272 | +34% | 0% | $1,804,765 |
| Trexquant Investment LP | 0.4% | 98,442 | -55% | 0.01% | $1,789,676 |
| MORGAN STANLEY | 0.36% | 88,902 | -79% | 0% | $1,616,239 |
| OSAIC HOLDINGS, INC. | 0.35% | 86,513 | +5217% | 0% | $1,572,774 |
| SEI INVESTMENTS CO | 0.34% | 84,393 | -49% | 0% | $1,534,265 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
34
Latest
Q2 2026
Rows shown
1-25 of 34
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 10,634,905 | $193,235,903 | +$54,546,197 | $18.18 | 107 |
| 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 |