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
Q2 		$240K Sell
8,291
-3,349
-29% -$98.3K ﹤0.01% 3013
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 $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return
Amundi
Amundi Paris, France $416B AUM 44.19% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return

Mariner's TTEK Position: Q2 2026 in Review

Mariner reduced its Tetra Tech (TTEK) stake by 29% in Q2 2026, selling an estimated $98.3K and leaving 8,291 shares worth $240K. The position accounts for ﹤0.01% of the portfolio, ranked #3013.

Mariner first reported a position in TTEK in Q3 2022 and has held it in 16 quarters since. The position peaked at $3.29M in Q4 2025. 553 funds tracked by Wall St. Rank hold TTEK as of Q2 2026.

  • Mariner held 8,291 shares of Tetra Tech worth $240K as of Q2 2026.
  • Mariner sold 3,349 Tetra Tech shares in Q2 2026, an estimated $98.3K.
  • Tetra Tech made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #3013 holding.
  • Mariner first reported a position in Tetra Tech in Q3 2022 and has held it in 16 quarters since.
  • Mariner's Tetra Tech position peaked at $3.29M in Q4 2025.
  • 553 funds tracked by Wall St. Rank held Tetra Tech as of Q2 2026.

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