Jane Street
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Jane Street’s One Stop Systems OSS Stock Holding History

Jane Street’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 		$3.28M Buy
180,200
+166,700
+1,235% +$2.32M ﹤0.01% 4354
2026
Q1 		$102K Buy
+13,500
New +$126K ﹤0.01% 10644
2025
Q2 		– Sell
-15,100
Closed -$35K – 10517
2025
Q1 		$35K Buy
+15,100
New +$50.6K ﹤0.01% 9070

Other funds holding OSS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BA
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
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Jane Street's OSS Position: Q2 2026 in Review

Jane Street increased its One Stop Systems (OSS) stake by 50% in Q2 2026, buying an estimated $6.06M and bringing the position to 1,309,455 shares worth $23.8M. The position accounts for ﹤0.01% of the portfolio, ranked #1994.

Jane Street first reported a position in OSS in Q1 2021 and has held it in 9 quarters since. 108 funds tracked by Wall St. Rank hold OSS as of Q2 2026.

  • Jane Street held 1,309,455 shares of One Stop Systems worth $23.8M as of Q2 2026.
  • Jane Street bought 434,897 One Stop Systems shares in Q2 2026, an estimated $6.06M.
  • One Stop Systems made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #1994 holding.
  • Jane Street first reported a position in One Stop Systems in Q1 2021 and has held it in 9 quarters since.
  • 108 funds tracked by Wall St. Rank held One Stop Systems as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.