Mariner
TTEK icon

Mariner’s Tetra Tech TTEK Stock Holding History

Mariner’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 		$351K Sell
11,640
-86,566
-88% -$3.06M ﹤0.01% 2739
2025
Q4 		$3.29M Buy
98,206
+71,003
+261% +$2.4M ﹤0.01% 1216
2025
Q3 		$908K Sell
27,203
-16,868
-38% -$613K ﹤0.01% 1988
2025
Q2 		$1.58M Buy
44,071
+8,019
+22% +$267K ﹤0.01% 1489
2025
Q1 		$1.05M Sell
36,052
-1,907
-5% -$64K ﹤0.01% 1654
2024
Q4 		$1.51M Buy
37,959
+20,431
+117% +$917K ﹤0.01% 1374
2024
Q3 		$825K Sell
17,528
-297
-2% -$13.2K ﹤0.01% 1755
2024
Q2 		$729K Sell
17,825
-7,945
-31% -$324K ﹤0.01% 1744
2024
Q1 		$952K Buy
25,770
+1,490
+6% +$51.6K ﹤0.01% 1533
2023
Q4 		$811K Buy
24,280
+1,645
+7% +$52.5K ﹤0.01% 1590
2023
Q3 		$688K Buy
22,635
+10,975
+94% +$357K ﹤0.01% 1556
2023
Q2 		$382K Buy
11,660
+1,150
+11% +$33.8K ﹤0.01% 1933
2023
Q1 		$309K Buy
10,510
+100
+1% +$2.89K ﹤0.01% 2045
2022
Q4 		$302K Sell
10,410
-45
-0.4% -$1.3K ﹤0.01% 2027
2022
Q3 		$269K Buy
+10,455
New +$293K ﹤0.01% 1856

Other funds holding TTEK

BlackRock
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
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

Mariner's TTEK Position: Q1 2026 in Review

Mariner reduced its Tetra Tech (TTEK) stake by 88% in Q1 2026, selling an estimated $3.06M and leaving 11,640 shares worth $351K. The position accounts for ﹤0.01% of the portfolio, ranked #2739.

Mariner first reported a position in TTEK in Q3 2022 and has held it in 15 quarters since. The position peaked at $3.29M in Q4 2025. 588 funds tracked by Wall St. Rank hold TTEK as of Q1 2026.

  • Mariner held 11,640 shares of Tetra Tech worth $351K as of Q1 2026.
  • Mariner sold 86,566 Tetra Tech shares in Q1 2026, an estimated $3.06M.
  • Tetra Tech made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #2739 holding.
  • Mariner first reported a position in Tetra Tech in Q3 2022 and has held it in 15 quarters since.
  • Mariner's Tetra Tech position peaked at $3.29M in Q4 2025.
  • 588 funds tracked by Wall St. Rank held Tetra Tech as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.