Citadel Advisors
TSSI

Citadel Advisors’s TSS Inc TSSI Stock Holding History

Citadel Advisors’s Portfolio TSSI Stock Details TSSI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$3.88M Sell
298,300
-74,200
-20% -$747K ﹤0.01% 4773
2025
Q4 		$2.63M Sell
372,500
-101,700
-21% -$1.31M ﹤0.01% 5417
2025
Q3 		$8.59M Buy
474,200
+66,700
+16% +$1.33M ﹤0.01% 3490
2025
Q2 		$11.7M Buy
407,500
+315,900
+345% +$4.15M ﹤0.01% 2802
2025
Q1 		$719K Sell
91,600
-69,400
-43% -$826K ﹤0.01% 7691
2024
Q4 		$1.91M Buy
+161,000
New +$1.56M ﹤0.01% 5732

Other funds holding TSSI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
VARA
Value Aligned Research Advisors Princeton, New Jersey $20.7B AUM 292.88% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
SAM
Silvercrest Asset Management New York $13.8B AUM 28.39% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return

Citadel Advisors's TSSI Position: Q1 2026 in Review

Citadel Advisors sold out of TSS Inc (TSSI) in Q1 2026, closing a stake of 170,182 shares — an estimated $1.71M sold.

Citadel Advisors first reported a position in TSSI in Q4 2024 and held it in 5 quarters. The position peaked at $9.27M in Q3 2025. 109 funds tracked by Wall St. Rank hold TSSI as of Q1 2026.

  • Citadel Advisors reported no remaining TSS Inc position as of Q1 2026 after selling out during the quarter.
  • Citadel Advisors sold 170,182 TSS Inc shares in Q1 2026, an estimated $1.71M.
  • Citadel Advisors first reported a position in TSS Inc in Q4 2024 and held it in 5 quarters.
  • Citadel Advisors's TSS Inc position peaked at $9.27M in Q3 2025.
  • 109 funds tracked by Wall St. Rank held TSS Inc as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.