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 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 $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 $94.8B AUM 24.11% 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

Summit Trail Advisors's TTEK Position: Q1 2026 in Review

Summit Trail Advisors increased its Tetra Tech (TTEK) stake by 17% in Q1 2026, buying an estimated $315K and bringing the position to 61,701 shares worth $1.86M. The position accounts for 0.03% of the portfolio, ranked #583.

Summit Trail Advisors first reported a position in TTEK in Q4 2017 and has held it in 9 quarters since. The position peaked at $2.37M in Q3 2025. 588 funds tracked by Wall St. Rank hold TTEK as of Q1 2026.

Summit Trail Advisors held 61,701 shares of Tetra Tech worth $1.86M as of Q1 2026.
Summit Trail Advisors bought 8,916 Tetra Tech shares in Q1 2026, an estimated $315K.
Tetra Tech made up 0.03% of Summit Trail Advisors's portfolio in Q1 2026, its #583 holding.
Summit Trail Advisors first reported a position in Tetra Tech in Q4 2017 and has held it in 9 quarters since.
Summit Trail Advisors's Tetra Tech position peaked at $2.37M in Q3 2025.
588 funds tracked by Wall St. Rank held Tetra Tech as of Q1 2026.

Based on Summit Trail Advisors's 13F filing for Q1 2026, filed 12 May 2026.