SEI Investments’s One Stop Systems OSS Stock Holding History

SEI Investments’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	$1.26M	Buy	166,632 +66,784	+67%	+$623K	﹤0.01%	2238
2025 Q4	$717K	Buy	+99,848	New	+$590K	﹤0.01%	2333

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

SEI Investments's OSS Position: Q1 2026 in Review

SEI Investments increased its One Stop Systems (OSS) stake by 67% in Q1 2026, buying an estimated $623K and bringing the position to 166,632 shares worth $1.26M. The position accounts for ﹤0.01% of the portfolio, ranked #2238.

SEI Investments first reported a position in OSS in Q4 2025 and has held it in 2 quarters since. 77 funds tracked by Wall St. Rank hold OSS as of Q1 2026.

SEI Investments held 166,632 shares of One Stop Systems worth $1.26M as of Q1 2026.
SEI Investments bought 66,784 One Stop Systems shares in Q1 2026, an estimated $623K.
One Stop Systems made up ﹤0.01% of SEI Investments's portfolio in Q1 2026, its #2238 holding.
SEI Investments first reported a position in One Stop Systems in Q4 2025 and has held it in 2 quarters since.
77 funds tracked by Wall St. Rank held One Stop Systems as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.