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One Stop Systems Inc (OSS)

CUSIP: 68247W109 | NYSE | Technology · Computer Hardware | Micro Cap | 212 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
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Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13G/AGalkin Vladimir
with Angelica Galkin Revocable Trust, dated April 21, 2018
200,0000.8%−1,300,000Oct 7, 2026No 13F filer matched
13G/AGalkin Vladimir200,000
0.8% of class · Oct 7, 2026−1,300,000
with Angelica Galkin Revocable Trust, dated April 21, 2018
No 13F filer matched

Institutional Holders — Q3 2026

Palisades Investment Partners, LLC657,503
1.7% of portfolio›$5.7M
Cambridge Investment Research Advisors, Inc.90,866
0.0% of portfolio›$793
Dimensional Fund Advisors LP73,994
0.0% of portfolio›$645.9K
Citigroup Inc67,744
0.0% of portfolio›$591.4K
Bank of New York Mellon Corp63,027
0.0% of portfolio›$550.2K
Penbrook Management LLC38,200
0.2% of portfolio›$333.5K
Thompson Siegel & Walmsley LLC26,788
0.0% of portfolio›$234
Essex Investment Management Co LLC25,674
0.0% of portfolio›$224.1K
Lodestone Wealth Management LLC21,504
0.1% of portfolio›$187.7K
Imc-Chicago, LLC21,215
0.0% of portfolio›$185.2K
Baker Tilly Wealth Management, LLC20,000
0.0% of portfolio›$174.6K
Strs Ohio18,300
0.0% of portfolio›$159.8K
Caitong International Asset Management Co., Ltd8,822
0.0% of portfolio›$77.0K
UMB Private Wealth Management, LLC5,500
0.0% of portfolio›$48.0K
State of Alaska, Department of Revenue1,820
0.0% of portfolio›$15
Farther Finance Advisors, LLC1,539
0.0% of portfolio›$13.4K
Torren Management, LLC1,300
0.0% of portfolio›$11.3K
SBI Securities Co., Ltd.912
0.0% of portfolio›$8.0K
Pinnacle Wealth Planning Services, Inc.803
0.0% of portfolio›$7.0K
Sterling Capital Management LLC737
0.0% of portfolio›$6.4K
Simplex Trading, LLC496
0.0% of portfolio›$4.3K
Hughes Financial Services, LLC350
0.0% of portfolio›$2.0K
Hurley Capital, LLC311
0.0% of portfolio›$2.7K
SJS Investment Consulting Inc.121
0.0% of portfolio›$1.1K
Parallel Advisors, LLC113
0.0% of portfolio›$986
Latitude Advisors, LLC100
0.0% of portfolio›$873
Gamma Investing LLC93
0.0% of portfolio›$812
Signaturefd, LLC87
0.0% of portfolio›$760
Root Financial Partners, LLC65
0.0% of portfolio›$567
Essential Investment Partners LLC15
0.0% of portfolio›$131
EverSource Wealth Advisors, LLC1
0.0% of portfolio›$9
StyleTurnoverLocationFiled
Palisades Investment Partners, LLC
657,503$5.7M1.7%GARPMediumSanta Monica, CA2026-11-03
Cambridge Investment Research Advisors, Inc.
90,866$7930.0%ETFLowFairfield, IA2026-11-02
Dimensional Fund Advisors LP
73,994$645.9K0.0%IndexLowAustin, TX2026-11-04
Citigroup Inc
67,744$591.4K0.0%CoreMediumNew York, NY2026-11-04
Bank of New York Mellon Corp
63,027$550.2K0.0%CoreLowNew York, NY2026-11-05
Penbrook Management LLC
38,200$333.5K0.2%CoreLowNew York, NY2026-10-16
Thompson Siegel & Walmsley LLC
26,788$2340.0%Deep ValueMediumRichmond, VA2026-11-05
Essex Investment Management Co LLC
25,674$224.1K0.0%GrowthMediumBoston, MA2026-10-19
Lodestone Wealth Management LLC
21,504$187.7K0.1%CoreLowSpokane, WA2026-10-14
Imc-Chicago, LLC
21,215$185.2K0.0%GARPVery HighChicago, IL2026-11-05
Baker Tilly Wealth Management, LLC
20,000$174.6K0.0%GrowthLowMadison, WI2026-10-05
Strs Ohio
18,300$159.8K0.0%CoreMediumColumbus, OH2026-10-30
Caitong International Asset Management Co., Ltd
8,822$77.0K0.0%GrowthVery HighHong Kong, South Korea2026-10-29
UMB Private Wealth Management, LLC
5,500$48.0K0.0%GrowthN/AKansas City, MO2026-10-19
State of Alaska, Department of Revenue
1,820$150.0%CoreVery LowJuneau, AK2026-10-15
Farther Finance Advisors, LLC
1,539$13.4K0.0%IndexLowSan Francisco, CA2026-10-08
Torren Management, LLC
1,300$11.3K0.0%ETFMediumSan Diego, CA2026-10-29
SBI Securities Co., Ltd.
912$8.0K0.0%Agg GrowthLowTokyo, Mexico2026-10-22
Pinnacle Wealth Planning Services, Inc.
803$7.0K0.0%GARPLowMansfield, OH2026-10-27
Sterling Capital Management LLC
737$6.4K0.0%GARPMediumCharlotte, NC2026-10-22
Simplex Trading, LLC
496$4.3K0.0%CoreVery HighChicago, IL2026-11-04
Hughes Financial Services, LLC
350$2.0K0.0%ETFLowHerndon, VA2026-10-30
Hurley Capital, LLC
311$2.7K0.0%GARPMediumNew York, NY2026-11-05
SJS Investment Consulting Inc.
121$1.1K0.0%ETFVery LowSylvania, OH2026-10-26
Parallel Advisors, LLC
113$9860.0%IndexLowSan Francisco, CA2026-11-03
Latitude Advisors, LLC
100$8730.0%ETFLowYorkville, IL2026-10-27
Gamma Investing LLC
93$8120.0%IndexVery LowFoster City, CA2026-10-08
Signaturefd, LLC
87$7600.0%IndexLowAtlanta, GA2026-10-23
Root Financial Partners, LLC
65$5670.0%ETFMediumEncinitas, CA2026-10-21
Essential Investment Partners LLC
15$1310.0%GrowthLowEnglewood, CO2026-10-27
EverSource Wealth Advisors, LLC
1$90.0%CoreMediumBirmingham, AL2026-11-04