Horizon Investments’s Tetra Tech TTEK Stock Holding History

Horizon Investments’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 Q2	$127K	Buy	4,404 +680	+18%	+$20K	﹤0.01%	1086
2026 Q1	$112K	Sell	3,724 -51,967	-93%	-$1.84M	﹤0.01%	1070
2025 Q4	$1.87M	Buy	+55,691	New	+$1.88M	0.02%	485
2024 Q3	–	Sell	-30	Closed	-$1.23K	–	882
2024 Q2	$1.23K	Buy	+30	New	+$1.22K	﹤0.01%	732
2024 Q1	–	Sell	-15	Closed	-$500	–	861
2023 Q4	$500	Buy	+15	New	+$479	﹤0.01%	736

Other funds holding TTEK

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

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

Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return

Amundi Paris, France $416B AUM 44.19% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return

Horizon Investments's TTEK Position: Q2 2026 in Review

Horizon Investments increased its Tetra Tech (TTEK) stake by 18% in Q2 2026, buying an estimated $20K and bringing the position to 4,404 shares worth $127K. The position accounts for ﹤0.01% of the portfolio, ranked #1086.

Horizon Investments first reported a position in TTEK in Q4 2023 and has held it in 5 quarters since. The position peaked at $1.87M in Q4 2025. 554 funds tracked by Wall St. Rank hold TTEK as of Q2 2026.

Horizon Investments held 4,404 shares of Tetra Tech worth $127K as of Q2 2026.
Horizon Investments bought 680 Tetra Tech shares in Q2 2026, an estimated $20K.
Tetra Tech made up ﹤0.01% of Horizon Investments's portfolio in Q2 2026, its #1086 holding.
Horizon Investments first reported a position in Tetra Tech in Q4 2023 and has held it in 5 quarters since.
Horizon Investments's Tetra Tech position peaked at $1.87M in Q4 2025.
554 funds tracked by Wall St. Rank held Tetra Tech as of Q2 2026.

Based on Horizon Investments's 13F filing for Q2 2026, filed 13 Aug 2026.