Two Sigma Securities’s Tetra Tech TTEK Stock Holding History

Two Sigma Securities’s Portfolio TTEK Stock Details TTEK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$650K	Buy	+21,589	New	+$763K	0.08%	365
2025 Q3	–	Sell	-32,836	Closed	-$1.18M	–	2005
2025 Q2	$1.18M	Buy	+32,836	New	+$1.09M	0.15%	173
2024 Q3	–	Sell	-6,550	Closed	-$268K	–	3639
2024 Q2	$268K	Buy	+6,550	New	+$267K	﹤0.01%	2098
2023 Q1	–	Sell	-8,505	Closed	-$247K	–	3283
2022 Q4	$247K	Buy	+8,505	New	+$246K	0.01%	1731
2022 Q3	–	Sell	-8,275	Closed	-$226K	–	3113
2022 Q2	$226K	Buy	+8,275	New	+$227K	0.01%	1551
2016 Q4	–	Sell	-32,735	Closed	-$232K	–	948
2016 Q3	$232K	Buy	+32,735	New	+$222K	0.08%	380

Other funds holding TTEK

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

Two Sigma Securities's TTEK Position: Q1 2026 in Review

Two Sigma Securities opened a new position in Tetra Tech (TTEK) in Q1 2026: 21,589 shares worth $650K. The stake represents 0.08% of the portfolio and ranks #365 among its holdings. This is a return to the name: Two Sigma Securities previously reported a position in TTEK as recently as Q2 2025.

Two Sigma Securities first reported a position in TTEK in Q3 2016 and has held it in 6 quarters since. The position peaked at $1.18M in Q2 2025. 589 funds tracked by Wall St. Rank hold TTEK as of Q1 2026.

Two Sigma Securities held 21,589 shares of Tetra Tech worth $650K as of Q1 2026.
Tetra Tech was a new Two Sigma Securities position in Q1 2026.
Tetra Tech made up 0.08% of Two Sigma Securities's portfolio in Q1 2026, its #365 holding.
Two Sigma Securities first reported a position in Tetra Tech in Q3 2016 and has held it in 6 quarters since.
Two Sigma Securities's Tetra Tech position peaked at $1.18M in Q2 2025.
589 funds tracked by Wall St. Rank held Tetra Tech as of Q1 2026.

Based on Two Sigma Securities's 13F filing for Q1 2026, filed 15 May 2026.