Arrowstreet Capital’s One Stop Systems OSS Stock Holding History

Arrowstreet Capital’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	–	Sell	-693,493	Closed	-$4.98M	–	2034
2025 Q4	$4.98M	Buy	693,493 +141,422	+26%	+$836K	﹤0.01%	1138
2025 Q3	$2.96M	Buy	+552,071	New	+$3.02M	﹤0.01%	1351

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

Arrowstreet Capital's OSS Position: Q1 2026 in Review

Arrowstreet Capital sold out of One Stop Systems (OSS) in Q1 2026, closing a stake of 693,493 shares — an estimated $4.98M sold.

Arrowstreet Capital first reported a position in OSS in Q3 2025 and held it in 2 quarters. The position peaked at $4.98M in Q4 2025. 77 funds tracked by Wall St. Rank hold OSS as of Q1 2026.

Arrowstreet Capital reported no remaining One Stop Systems position as of Q1 2026 after selling out during the quarter.
Arrowstreet Capital sold 693,493 One Stop Systems shares in Q1 2026, an estimated $4.98M.
Arrowstreet Capital first reported a position in One Stop Systems in Q3 2025 and held it in 2 quarters.
Arrowstreet Capital's One Stop Systems position peaked at $4.98M in Q4 2025.
77 funds tracked by Wall St. Rank held One Stop Systems as of Q1 2026.

Based on Arrowstreet Capital's 13F filing for Q1 2026, filed 14 May 2026.