Jane Street’s One Stop Systems OSS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$23.8M Buy
1,309,455
+434,897
+50% +$6.06M ﹤0.01% 1994
2026
Q1
$6.62M Buy
874,558
+270,753
+45% +$2.52M ﹤0.01% 3105
2025
Q4
$4.34M Buy
603,805
+277,763
+85% +$1.64M ﹤0.01% 3451
2025
Q3
$1.75M Buy
326,042
+57,860
+22% +$317K ﹤0.01% 5189
2025
Q2
$952K Buy
268,182
+251,850
+1,542% +$703K ﹤0.01% 5707
2025
Q1
$37.9K Buy
16,332
+3,421
+26% +$11.5K ﹤0.01% 9058
2024
Q4
$43.3K Buy
+12,911
New +$32.8K ﹤0.01% 9003
2024
Q3
Sell
-15,743
Closed -$37.9K 10173
2024
Q2
$37.9K Buy
+15,743
New +$41.9K ﹤0.01% 8970
2021
Q2
Sell
-13,234
Closed -$84K 10224
2021
Q1
$84K Buy
+13,234
New +$80.8K ﹤0.01% 8695

Other funds holding OSS

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. 101 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.
  • 101 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.