Barclays’s One Stop Systems OSS Stock Holding History

Barclays’s Portfolio OSS Stock Details OSS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$155K	Sell	20,503 -2,591	-11%	-$24.2K	﹤0.01%	3831
2025 Q4	$166K	Buy	23,094 +19,588	+559%	+$116K	﹤0.01%	4415
2025 Q3	$18.8K	Buy	+3,506	New	+$19.2K	﹤0.01%	4947
2021 Q2	–	Sell	-24	Closed	–	–	5027
2021 Q1	$0	Buy	+24	New	+$146	﹤0.01%	5063
2019 Q4	–	Sell	-5	Closed	–	–	6683
2019 Q3	$0	Buy	+5	New	+$10	﹤0.01%	7011

Other funds holding OSS

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Bard Associates Chicago, Illinois $398M AUM 54.32% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Barclays's OSS Position: Q1 2026 in Review

Barclays reduced its One Stop Systems (OSS) stake by 11% in Q1 2026, selling an estimated $24.2K and leaving 20,503 shares worth $155K. The position accounts for ﹤0.01% of the portfolio, ranked #3831.

Barclays first reported a position in OSS in Q3 2019 and has held it in 5 quarters since. The position peaked at $166K in Q4 2025. 77 funds tracked by Wall St. Rank hold OSS as of Q1 2026.

Barclays held 20,503 shares of One Stop Systems worth $155K as of Q1 2026.
Barclays sold 2,591 One Stop Systems shares in Q1 2026, an estimated $24.2K.
One Stop Systems made up ﹤0.01% of Barclays's portfolio in Q1 2026, its #3831 holding.
Barclays first reported a position in One Stop Systems in Q3 2019 and has held it in 5 quarters since.
Barclays's One Stop Systems position peaked at $166K in Q4 2025.
77 funds tracked by Wall St. Rank held One Stop Systems as of Q1 2026.

Based on Barclays's 13F filing for Q1 2026, filed 15 May 2026.