ONE STOP SYSTEMS, INC. - Common Stock, par value $0.0001 per share (OSS) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2018 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.0001 per share
Symbol
OSS on Nasdaq
Shares outstanding
24,663,630
Price per share
$10.62
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
9,298,038
Total reported value
$66,755,294
% of total 13F portfolios
0%
Share change
-385,293
Value change
-$1,638,563
Number of holders
69
Price from insider filings
$10.62
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of ONE STOP SYSTEMS, INC. - Common Stock, par value $0.0001 per share (OSS) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
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 Dec 2025, 69 institutional investors reported holding 9,298,038 shares of ONE STOP SYSTEMS, INC. - Common Stock, par value $0.0001 per share (OSS). This represents 38% of the company’s total 24,663,630 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of ONE STOP SYSTEMS, INC. - Common Stock, par value $0.0001 per share (OSS) together control 33% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 4.3% 1,054,266 +21% 0% $7,569,630
BARD ASSOCIATES INC 3.4% 850,858 -7.2% 1.6% $6,109,161
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 2.8% 693,493 +26% 0% $4,979,280
Lynrock Lake LP 2.7% 665,918 -54% 0.32% $4,781,291
JANE STREET GROUP, LLC 2.4% 603,805 +85% 0.01% $4,335,320
Pacific Ridge Capital Partners, LLC 1.8% 432,361 -3% 0.68% $3,104,352
RENAISSANCE TECHNOLOGIES LLC 1.5% 375,701 -4.4% 0% $2,697,533
Archon Capital Management LLC 1.3% 326,812 -31% 1.3% $2,346,510
MARSHALL WACE, LLP 1.1% 273,935 -45% 0% $1,966,852
SUSQUEHANNA INTERNATIONAL GROUP, LLP 1.1% 259,072 +44% 0% $1,860,137
Trexquant Investment LP 1% 256,810 +177% 0.02% $1,843,896
TWO SIGMA INVESTMENTS, LP 1% 253,294 +70% 0% $1,818,651
GEODE CAPITAL MANAGEMENT, LLC 0.97% 238,495 +13% 0% $1,712,992
BNP PARIBAS FINANCIAL MARKETS 0.93% 228,336 0% 0% $1,639,452
ACADIAN ASSET MANAGEMENT LLC 0.75% 185,992 +129% 0% $1,331,000
Informed Momentum Co LLC 0.66% 162,973 0% 0.13% $1,170,146
THOMPSON SIEGEL & WALMSLEY LLC 0.62% 153,124 -23% 0.02% $1,099,000
DNB Asset Management AS 0.62% 152,901 +883% 0% $1,097,829
Squarepoint Ops LLC 0.6% 147,960 +153% 0% $1,062,353
CITADEL ADVISORS LLC 0.59% 145,676 -83% 0% $1,045,954
BlackRock, Inc. 0.56% 137,444 +47% 0% $986,848
GOLDMAN SACHS GROUP INC 0.52% 128,749 -11% 0% $924,418
Cambridge Investment Research Advisors, Inc. 0.46% 113,038 0% $812,000
Manatuck Hill Partners, LLC 0.41% 100,000 +100% 0.25% $718,000
SEI INVESTMENTS CO 0.4% 99,848 0% $716,909

Institutional Holders of ONE STOP SYSTEMS, INC. - Common Stock, par value $0.0001 per share (OSS) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
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
2019 Q4 4,921,460 $10,005,000 +$132,883 $2.02 19
2019 Q3 4,264,956 $12,566,000 +$4,892,133 $2.95 18
2019 Q2 2,606,978 $4,440,000 +$100 $1.70 12
2019 Q1 2,604,749 $5,315,000 +$289,563 $2.04 11
2018 Q4 2,471,838 $4,798,000 +$332,378 $1.94 12
2018 Q3 2,229,947 $8,291,000 +$407,383 $3.72 13
2018 Q2 2,112,580 $9,125,000 +$22,932 $4.18 12
2018 Q1 2,104,662 $9,260,000 +$9,260,000 $4.40 9