Marshall Wace’s TSS Inc TSSI Stock Holding History

Marshall Wace’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	–	Sell	-324,962	Closed	-$4.23M	–	3860
2026 Q1	$4.23M	Buy	+324,962	New	+$3.27M	﹤0.01%	1382
2025 Q2	–	Sell	-153,741	Closed	-$1.21M	–	3289
2025 Q1	$1.21M	Buy	+153,741	New	+$1.83M	﹤0.01%	1702

Other funds holding TSSI

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

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 Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

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 San Diego, California $445B AUM 25.58% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Marshall Wace's TSSI Position: Q2 2026 in Review

Marshall Wace sold out of TSS Inc (TSSI) in Q2 2026, closing a stake of 324,962 shares — an estimated $4.23M sold.

Marshall Wace first reported a position in TSSI in Q1 2025 and held it in 2 quarters. The position peaked at $4.23M in Q1 2026. 124 funds tracked by Wall St. Rank hold TSSI as of Q2 2026.

Marshall Wace reported no remaining TSS Inc position as of Q2 2026 after selling out during the quarter.
Marshall Wace sold 324,962 TSS Inc shares in Q2 2026, an estimated $4.23M.
Marshall Wace first reported a position in TSS Inc in Q1 2025 and held it in 2 quarters.
Marshall Wace's TSS Inc position peaked at $4.23M in Q1 2026.
124 funds tracked by Wall St. Rank held TSS Inc as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.