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
Q3 		$11.2M Buy
1,285,300
+1,105,100
+613% +$12.9M ﹤0.01% 2683
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 $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $123B AUM 30.05% 1-Year Est. Return
PIP
Palisades Investment Partners Santa Monica, California $344M AUM 44.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Bard Associates
Bard Associates Chicago, Illinois $431M AUM 30.93% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $73.4B AUM 32.8% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM

Jane Street's OSS Position: Q3 2026 in Review

Jane Street reduced its One Stop Systems (OSS) stake by 77% in Q3 2026, selling an estimated $11.8M and leaving 296,449 shares worth $2.59M. The position accounts for ﹤0.01% of the portfolio, ranked #4721.

Jane Street first reported a position in OSS in Q1 2021 and has held it in 10 quarters since. The position peaked at $23.8M in Q2 2026. 80 funds tracked by Wall St. Rank hold OSS as of Q3 2026.

  • Jane Street held 296,449 shares of One Stop Systems worth $2.59M as of Q3 2026.
  • Jane Street sold 1,013,006 One Stop Systems shares in Q3 2026, an estimated $11.8M.
  • One Stop Systems made up ﹤0.01% of Jane Street's portfolio in Q3 2026, its #4721 holding.
  • Jane Street first reported a position in One Stop Systems in Q1 2021 and has held it in 10 quarters since.
  • Jane Street's One Stop Systems position peaked at $23.8M in Q2 2026.
  • 80 funds tracked by Wall St. Rank held One Stop Systems as of Q3 2026.

Based on Jane Street's 13F filing for Q3 2026, filed 12 Nov 2026.