XT
TSSI

XTX Topco’s TSS Inc TSSI Stock Holding History

XTX Topco’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
Q2 		$695K Buy
56,464
+22,201
+65% +$299K 0.01% 2129
2026
Q1 		$446K Sell
34,263
-26,835
-44% -$270K 0.01% 2143
2025
Q4 		$432K Buy
+61,098
New +$790K 0.01% 1738
2025
Q3 		– Sell
-31,220
Closed -$900K – 3466
2025
Q2 		$900K Sell
31,220
-34,650
-53% -$456K 0.04% 735
2025
Q1 		$517K Buy
+65,870
New +$784K 0.03% 1009

Other funds holding TSSI

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
SAM
Silvercrest Asset Management New York $15.3B AUM 40.56% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

XTX Topco's TSSI Position: Q2 2026 in Review

XTX Topco increased its TSS Inc (TSSI) stake by 65% in Q2 2026, buying an estimated $299K and bringing the position to 56,464 shares worth $695K. The position accounts for 0.01% of the portfolio, ranked #2129.

XTX Topco first reported a position in TSSI in Q1 2025 and has held it in 5 quarters since. The position peaked at $900K in Q2 2025. 124 funds tracked by Wall St. Rank hold TSSI as of Q2 2026.

  • XTX Topco held 56,464 shares of TSS Inc worth $695K as of Q2 2026.
  • XTX Topco bought 22,201 TSS Inc shares in Q2 2026, an estimated $299K.
  • TSS Inc made up 0.01% of XTX Topco's portfolio in Q2 2026, its #2129 holding.
  • XTX Topco first reported a position in TSS Inc in Q1 2025 and has held it in 5 quarters since.
  • XTX Topco's TSS Inc position peaked at $900K in Q2 2025.
  • 124 funds tracked by Wall St. Rank held TSS Inc as of Q2 2026.

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