BlackRock
TSSI

BlackRock’s TSS Inc TSSI Stock Holding History

BlackRock’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 		$28.6M Buy
2,322,290
+551,400
+31% +$7.43M ﹤0.01% 3030
2026
Q1 		$23M Buy
1,770,890
+245,840
+16% +$2.47M ﹤0.01% 2991
2025
Q4 		$10.8M Buy
1,525,050
+174,518
+13% +$2.26M ﹤0.01% 3424
2025
Q3 		$24.5M Buy
1,350,532
+162,910
+14% +$3.25M ﹤0.01% 2965
2025
Q2 		$34.2M Buy
1,187,622
+979,623
+471% +$12.9M ﹤0.01% 2697
2025
Q1 		$1.63M Buy
207,999
+17,505
+9% +$208K ﹤0.01% 4053
2024
Q4 		$2.26M Buy
+190,494
New +$1.85M ﹤0.01% 3999

Other funds holding TSSI

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
AG
Algert Global San Francisco, California $8.43B AUM 80.94% 1-Year Est. Return

BlackRock's TSSI Position: Q2 2026 in Review

BlackRock increased its TSS Inc (TSSI) stake by 31% in Q2 2026, buying an estimated $7.43M and bringing the position to 2,322,290 shares worth $28.6M. The position accounts for ﹤0.01% of the portfolio, ranked #3030.

BlackRock first reported a position in TSSI in Q4 2024 and has held it in 7 quarters since. The position peaked at $34.2M in Q2 2025. 124 funds tracked by Wall St. Rank hold TSSI as of Q2 2026.

  • BlackRock held 2,322,290 shares of TSS Inc worth $28.6M as of Q2 2026.
  • BlackRock bought 551,400 TSS Inc shares in Q2 2026, an estimated $7.43M.
  • TSS Inc made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #3030 holding.
  • BlackRock first reported a position in TSS Inc in Q4 2024 and has held it in 7 quarters since.
  • BlackRock's TSS Inc position peaked at $34.2M in Q2 2025.
  • 124 funds tracked by Wall St. Rank held TSS Inc as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.