John Overdeck’s One Stop Systems OSS Stock Holding History

John Overdeck’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 Q2	$2.95M	Buy	+162,193	New	+$2.26M	﹤0.01%	2642
2026 Q1	–	Sell	-253,294	Closed	-$1.82M	–	4831
2025 Q4	$1.82M	Buy	253,294 +104,096	+70%	+$615K	﹤0.01%	2498
2025 Q3	$800K	Buy	+149,198	New	+$817K	﹤0.01%	2724
2022 Q1	–	Sell	-10,378	Closed	-$51K	–	3866
2021 Q4	$51K	Buy	+10,378	New	+$52K	﹤0.01%	4138
2021 Q3	–	Sell	-33,614	Closed	-$195K	–	4574
2021 Q2	$195K	Buy	+33,614	New	+$190K	﹤0.01%	3790
2021 Q1	–	Sell	-67,184	Closed	-$269K	–	4145
2020 Q4	$269K	Buy	+67,184	New	+$174K	﹤0.01%	2948

Other funds holding OSS

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Bard Associates Chicago, Illinois $451M AUM 66.6% 1-Year Est. Return

PIP

Palisades Investment Partners Santa Monica, California $352M AUM 76.79% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return

John Overdeck's OSS Position: Q2 2026 in Review

John Overdeck opened a new position in One Stop Systems (OSS) in Q2 2026: 162,193 shares worth $2.95M. The stake represents ﹤0.01% of the portfolio and ranks #2642 among its holdings. This is a return to the name: John Overdeck previously reported a position in OSS as recently as Q4 2025.

John Overdeck first reported a position in OSS in Q4 2020 and has held it in 6 quarters since. 107 funds tracked by Wall St. Rank hold OSS as of Q2 2026.

John Overdeck held 162,193 shares of One Stop Systems worth $2.95M as of Q2 2026.
One Stop Systems was a new John Overdeck position in Q2 2026.
One Stop Systems made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #2642 holding.
John Overdeck first reported a position in One Stop Systems in Q4 2020 and has held it in 6 quarters since.
107 funds tracked by Wall St. Rank held One Stop Systems as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.