D.E. Shaw & Co
TSSI

D.E. Shaw & Co’s TSS Inc TSSI Stock Holding History

D.E. Shaw & Co’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 		$2.42M Buy
185,901
+111,677
+150% +$1.12M ﹤0.01% 2766
2025
Q4 		$525K Buy
74,224
+44,409
+149% +$574K ﹤0.01% 3908
2025
Q3 		$540K Sell
29,815
-218,637
-88% -$4.37M ﹤0.01% 3827
2025
Q2 		$7.16M Buy
248,452
+114,923
+86% +$1.51M 0.01% 1751
2025
Q1 		$1.05M Buy
+133,529
New +$1.59M ﹤0.01% 3058

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

D.E. Shaw & Co's TSSI Position: Q1 2026 in Review

D.E. Shaw & Co increased its TSS Inc (TSSI) stake by 150% in Q1 2026, buying an estimated $1.12M and bringing the position to 185,901 shares worth $2.42M. The position accounts for ﹤0.01% of the portfolio, ranked #2766.

D.E. Shaw & Co first reported a position in TSSI in Q1 2025 and has held it in 5 quarters since. The position peaked at $7.16M in Q2 2025. 109 funds tracked by Wall St. Rank hold TSSI as of Q1 2026.

  • D.E. Shaw & Co held 185,901 shares of TSS Inc worth $2.42M as of Q1 2026.
  • D.E. Shaw & Co bought 111,677 TSS Inc shares in Q1 2026, an estimated $1.12M.
  • TSS Inc made up ﹤0.01% of D.E. Shaw & Co's portfolio in Q1 2026, its #2766 holding.
  • D.E. Shaw & Co first reported a position in TSS Inc in Q1 2025 and has held it in 5 quarters since.
  • D.E. Shaw & Co's TSS Inc position peaked at $7.16M in Q2 2025.
  • 109 funds tracked by Wall St. Rank held TSS Inc as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.