One Stop Systems Inc

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One Stop Systems Inc
TickerOSS
CIK #0001394056
CUSIP68247W109
SectorTechnology - Electronic Computers
Address2235 Enterprise St Suite 110, Escondido, CA 92029
Source [EDGAR]
CIK Filing 2011 - 2025
[0001394056] 10-K
[0001394056] 10-Q
[0001394056] 3
[0001394056] 4
[0001394056] 5
[0001394056] 8-K
[0001394056] SC 13D
[0001394056] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Barclays PLC One Stop Systems Inc [2025-02-14] 0.0
Horton Capital Partners Fund LP One Stop Systems Inc [2023-11-03] 81945.35
Lynrock Lake LP One Stop Systems Inc [2023-02-14] 8.9
Ayrton Capital LLC One Stop Systems Inc [2021-03-11] 8.13
Bard Associates Inc One Stop Systems Inc [2020-02-10] 6.2
Jones Randy G One Stop Systems Inc [2019-02-15] 0.3
Cooper Steve D One Stop Systems Inc [2019-02-15] 24.2
Wasatch Advisors Inc One Stop Systems Inc [2019-02-14] 7.2
Reardon James M One Stop Systems Inc [2018-09-10] 0.5
Hirschman Orin One Stop Systems Inc [2018-05-04] 7.4
Form 3/4/5 Filer 2011 - 2025
Bassett David George
One Stop Systems Inc
Herbets Mitchell H
Dumont Michael J.
Matz Gregory W
Ison James
Gabel Daniel G.
Knowles Michael
Morrison John W Jr.
Manko Joseph M. Jr.
Potashner Kenneth F
Messinger Gioia
RAUN David
Cooper Steve D
Lowman Teresita M.
Sentovich Kimberly C.
Harrison Jack
Reardon James M
Cooper Revocable Trust dated April 25, 2001
Bressner Josef
Reardon John Ralph
D'Amato Barbara
Jones Randy G
Carpenter William
Randy Jones & Roseann Piazza Jones Revocable Trust
Form 13F Holdings
Firm Period DFND Voting Shares
Lynrock Lake LP [2025-06-30] SOLE 2,049,374 2,049,374
Bard Associates Inc [2025-06-30] SOLE 0 947,857
Vanguard Group Inc [2025-06-30] SOLE 0 737,511
Marshall Wace LLP [2025-06-30] OTR 0 476,393
Pacific Ridge Capital Partners LLC [2025-06-30] SOLE 295,677 454,872
Citadel Advisors LLC [2025-06-30] DFND 287,538 287,538
Jane Street Group LLC [2025-06-30] DFND 268,182 268,182
Geode Capital Management LLC [2025-06-30] DFND 199,729 199,729
Archon Capital Management LLC [2025-06-30] SOLE 153,098 153,098
Informed Momentum Co LLC [2025-06-30] SOLE 135,388 135,388
Susquehanna International Group LLP [2025-06-30] OTR 55,631 126,331
Renaissance Technologies LLC [2025-06-30] SOLE 101,860 101,860
BlackRock, Inc. [2025-06-30] SOLE 92,226 92,226
State Street Corp [2025-06-30] DFND 84,976 84,976
Essex Investment Management Co LLC [2025-06-30] SOLE 72,791 72,791
Morgan Stanley [2025-06-30] DFND 14,603 72,503
Virtu Financial LLC [2025-06-30] DFND 50,425 50,425
Northern Trust Corp [2025-06-30] DFND 44,289 44,289
HRT Financial LP [2025-06-30] DFND 39,158 39,158
Goldman Sachs Group Inc [2025-06-30] DFND 37,020 37,020
Dimensional Fund Advisors LP [2025-06-30] SOLE 25,665 25,665
Cubist Systematic Strategies, LLC [2025-06-30] DFND 0 21,290
Baker Tilly Wealth Management LLC [2025-06-30] SOLE 0 20,000
Legato Capital Management LLC [2025-06-30] OTR 0 17,132
Quadrature Capital Ltd [2025-06-30] OTR 0 16,025
Simplex Trading LLC [2025-06-30] SOLE 13,558 13,558
Charles Schwab Investment Management Inc [2025-06-30] SOLE 12,911 12,911
Walleye Capital LLC [2025-06-30] SOLE 12,857 12,857
Dimensional Fund Advisors LP [2025-06-30] DFND 0 12,706
Granite Investment Partners LLC [2025-06-30] SOLE 11,068 11,068
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