One Stop Systems, Inc.

Historical 13F Holders

Symbol
OSS
CUSIP
68247W109
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 68247W109 since 12/18/2024, newest first.

Filer % of Class Filed
Galkin Vladimir 13G/A Amendment 2
0.8% 10/9/2026
Event 10/7/2026
Galkin Vladimir 13G/A Amendment 1
6.1% 7/31/2026
Event 7/31/2026
BlackRock, Inc. 13G 7.4% 7/29/2026
Event 6/30/2026
Galkin Vladimir 13G
5.0% 7/24/2026
Event 7/24/2026
Jane Street Group, LLC 13G
5.6% 5/13/2026
Event 5/7/2026
Lynrock Lake LP 13G/A Amendment 3
2.7% 2/17/2026
Event 12/31/2025
Bard Associates Inc 13G/A Amendment 5 2.2% 2/13/2026
Event 11/7/2025
Lynrock Lake LP 13G/A Amendment 2
6.6% 11/18/2025
Event 9/30/2025
Horton Capital Partners Fund, L.P. 13D/A Amendment 2
4.3% 6/6/2025
Event 6/4/2025
Barclays PLC 13G/A Amendment 2
Checked 5% or less
5/13/2025
Event 3/31/2025
Horton Capital Partners Fund, L.P. 13D/A Amendment 1
5.6% 4/18/2025
Event 4/16/2025
Barclays PLC 13G/A Amendment 1 5.2% 3/21/2025
Event 12/31/2024
Barclays PLC 13G 5.2% 2/14/2025
Event 12/31/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 3 21.6 k $189 k
2026 Q2 121 10.8 M $197 M
2026 Q1 84 8.33 M $63.1 M
2025 Q4 75 9.30 M $66.8 M
2025 Q3 65 9.71 M $52.1 M
2025 Q2 44 6.43 M $22.8 M
2025 Q1 38 5.32 M $12.3 M
2024 Q4 42 5.28 M $17.7 M
2024 Q3 33 5.06 M $12.1 M
2024 Q2 43 5.49 M $13.2 M
2024 Q1 33 5.43 M $17.7 M
2023 Q4 33 5.63 M $11.8 M
2023 Q3 28 5.58 M $10.3 M
2023 Q2 32 5.80 M $16.6 M
2023 Q1 29 5.84 M $14.5 M
2022 Q4 28 5.62 M $16.9 M
2022 Q3 32 5.31 M $17.0 M
2022 Q2 27 5.15 M $20.3 M
2022 Q1 34 4.67 M $17.8 M
2021 Q4 41 5.02 M $24.8 M
2021 Q3 33 4.45 M $22.4 M
2021 Q2 36 4.35 M $25.1 M
2021 Q1 38 3.90 M $24.7 M
2020 Q4 31 4.69 M $18.8 M
2020 Q3 24 4.42 M $9.27 M
2020 Q2 20 4.24 M $8.46 M
2020 Q1 28 5.29 M $7.62 M
2019 Q4 23 4.97 M $10.1 M
2019 Q3 22 4.27 M $12.6 M
2019 Q2 13 2.61 M $4.44 M
2019 Q1 13 2.97 M $6.05 M
2018 Q4 16 2.47 M $4.80 M
2018 Q3 14 2.23 M $8.29 M
2018 Q2 12 2.11 M $9.13 M
2018 Q1 11 2.10 M $9.26 M