Citigroup
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Citigroup’s One Stop Systems OSS Stock Holding History

Citigroup’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 		$999K Sell
54,956
-20,732
-27% -$289K ﹤0.01% 3447
2026
Q1 		$573K Buy
75,688
+71,161
+1,572% +$663K ﹤0.01% 3463
2025
Q4 		$32.5K Buy
+4,527
New +$26.8K ﹤0.01% 4720
2025
Q3 		– Sell
-330
Closed -$1.17K – 6250
2025
Q2 		$1.17K Buy
+330
New +$921 ﹤0.01% 5400
2020
Q1 		– Sell
-34
Closed – – 7730
2019
Q4 		$0 Buy
+34
New +$77 ﹤0.01% 7764

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

Citigroup's OSS Position: Q2 2026 in Review

Citigroup reduced its One Stop Systems (OSS) stake by 27% in Q2 2026, selling an estimated $289K and leaving 54,956 shares worth $999K. The position accounts for ﹤0.01% of the portfolio, ranked #3447.

Citigroup first reported a position in OSS in Q4 2019 and has held it in 5 quarters since. 108 funds tracked by Wall St. Rank hold OSS as of Q2 2026.

  • Citigroup held 54,956 shares of One Stop Systems worth $999K as of Q2 2026.
  • Citigroup sold 20,732 One Stop Systems shares in Q2 2026, an estimated $289K.
  • One Stop Systems made up ﹤0.01% of Citigroup's portfolio in Q2 2026, its #3447 holding.
  • Citigroup first reported a position in One Stop Systems in Q4 2019 and has held it in 5 quarters since.
  • 108 funds tracked by Wall St. Rank held One Stop Systems as of Q2 2026.

Based on Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.