Summit Trail Advisors’s Tetra Tech TTEK Stock Holding History

Summit Trail Advisors’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	$895K	Sell	30,971 -30,730	-50%	-$902K	0.01%	1031
2026 Q1	$1.86M	Buy	61,701 +8,916	+17%	+$315K	0.03%	583
2025 Q4	$1.77M	Sell	52,785 -18,244	-26%	-$617K	0.03%	483
2025 Q3	$2.37M	Buy	71,029 +28,871	+68%	+$1.05M	0.03%	356
2025 Q2	$1.52M	Buy	42,158 +22,001	+109%	+$732K	0.03%	339
2025 Q1	$590K	Buy	+20,157	New	+$676K	0.02%	229
2018 Q4	–	Sell	-38,485	Closed	-$526K	–	218
2018 Q3	$526K	Sell	38,485 -2,585	-6%	-$34.2K	0.12%	97
2018 Q2	$481K	Sell	41,070 -136,275	-77%	-$1.46M	0.17%	72
2018 Q1	$1.44M	Buy	177,345 +17,190	+11%	+$170K	0.24%	91
2017 Q4	$1.58M	Buy	+160,155	New	+$1.55M	0.2%	99

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 $3.37T AUM 44.26% 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

Summit Trail Advisors's TTEK Position: Q2 2026 in Review

Summit Trail Advisors reduced its Tetra Tech (TTEK) stake by 50% in Q2 2026, selling an estimated $902K and leaving 30,971 shares worth $895K. The position accounts for 0.01% of the portfolio, ranked #1031.

Summit Trail Advisors first reported a position in TTEK in Q4 2017 and has held it in 10 quarters since. The position peaked at $2.37M in Q3 2025. 553 funds tracked by Wall St. Rank hold TTEK as of Q2 2026.

Summit Trail Advisors held 30,971 shares of Tetra Tech worth $895K as of Q2 2026.
Summit Trail Advisors sold 30,730 Tetra Tech shares in Q2 2026, an estimated $902K.
Tetra Tech made up 0.01% of Summit Trail Advisors's portfolio in Q2 2026, its #1031 holding.
Summit Trail Advisors first reported a position in Tetra Tech in Q4 2017 and has held it in 10 quarters since.
Summit Trail Advisors's Tetra Tech position peaked at $2.37M in Q3 2025.
553 funds tracked by Wall St. Rank held Tetra Tech as of Q2 2026.

Based on Summit Trail Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.