Simplex Trading’s TSS Inc TSSI Stock Holding History

Simplex Trading’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
2025 Q4	–	Sell	-5,714	Closed	-$73.8K	–	10437
2025 Q3	$103K	Buy	+5,714	New	+$114K	﹤0.01%	5720
2025 Q1	–	Sell	-3,328	Closed	-$39.6K	–	9934
2024 Q4	$39K	Buy	+3,328	New	+$32.3K	﹤0.01%	6139

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

Simplex Trading's TSSI Position: Q4 2025 in Review

Simplex Trading sold out of TSS Inc (TSSI) in Q4 2025, closing a stake of 5,714 shares — an estimated $73.8K sold.

Simplex Trading first reported a position in TSSI in Q4 2024 and held it in 2 quarters. The position peaked at $103K in Q3 2025. 92 funds tracked by Wall St. Rank hold TSSI as of Q4 2025.

Simplex Trading reported no remaining TSS Inc position as of Q4 2025 after selling out during the quarter.
Simplex Trading sold 5,714 TSS Inc shares in Q4 2025, an estimated $73.8K.
Simplex Trading first reported a position in TSS Inc in Q4 2024 and held it in 2 quarters.
Simplex Trading's TSS Inc position peaked at $103K in Q3 2025.
92 funds tracked by Wall St. Rank held TSS Inc as of Q4 2025.

Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.