XT
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XTX Topco’s One Stop Systems OSS Stock Holding History

XTX Topco’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 		– Sell
-50,862
Closed -$385K – 4559
2026
Q1 		$385K Sell
50,862
-3,944
-7% -$36.8K 0.01% 2265
2025
Q4 		$394K Sell
54,806
-17,308
-24% -$102K 0.01% 1824
2025
Q3 		$387K Buy
+72,114
New +$395K 0.02% 1293
2025
Q1 		– Sell
-10,878
Closed -$36.4K – 2914
2024
Q4 		$36.4K Buy
+10,878
New +$27.6K ﹤0.01% 1948

Other funds holding OSS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 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

XTX Topco's OSS Position: Q2 2026 in Review

XTX Topco sold out of One Stop Systems (OSS) in Q2 2026, closing a stake of 50,862 shares — an estimated $385K sold.

XTX Topco first reported a position in OSS in Q4 2024 and held it in 4 quarters. The position peaked at $394K in Q4 2025. 108 funds tracked by Wall St. Rank hold OSS as of Q2 2026.

  • XTX Topco reported no remaining One Stop Systems position as of Q2 2026 after selling out during the quarter.
  • XTX Topco sold 50,862 One Stop Systems shares in Q2 2026, an estimated $385K.
  • XTX Topco first reported a position in One Stop Systems in Q4 2024 and held it in 4 quarters.
  • XTX Topco's One Stop Systems position peaked at $394K in Q4 2025.
  • 108 funds tracked by Wall St. Rank held One Stop Systems as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.