Acadian Asset Management
TTEK icon

Acadian Asset Management’s Tetra Tech TTEK Stock Holding History

Acadian Asset Management’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 		– Sell
-54,966
Closed -$1.65M – 2241
2026
Q1 		$1.65M Buy
54,966
+19,760
+56% +$698K ﹤0.01% 1016
2025
Q4 		$1.18M Buy
35,206
+26,952
+327% +$911K ﹤0.01% 1071
2025
Q3 		$274K Buy
+8,254
New +$300K ﹤0.01% 1342
2024
Q4 		– Sell
-495
Closed -$23K – 2171
2024
Q3 		$23K Sell
495
-10,370
-95% -$461K ﹤0.01% 1962
2024
Q2 		$444K Buy
+10,865
New +$443K ﹤0.01% 1234
2023
Q4 		– Sell
-3,770
Closed -$114K – 1826
2023
Q3 		$114K Sell
3,770
-9,120
-71% -$296K ﹤0.01% 1288
2023
Q2 		$422K Sell
12,890
-1,815
-12% -$53.4K ﹤0.01% 1096
2023
Q1 		$431K Sell
14,705
-171,085
-92% -$4.94M ﹤0.01% 1086
2022
Q4 		$5.39M Buy
185,790
+169,080
+1,012% +$4.89M 0.03% 420
2022
Q3 		$429K Sell
16,710
-1,395
-8% -$39K ﹤0.01% 1031
2022
Q2 		$494K Buy
+18,105
New +$496K ﹤0.01% 978
2021
Q2 		– Sell
-985
Closed -$27K – 2214
2021
Q1 		$27K Buy
+985
New +$26.1K ﹤0.01% 1939
2020
Q3 		– Sell
-125,810
Closed -$1.99M – 2356
2020
Q2 		$1.99M Sell
125,810
-492,175
-80% -$7.47M 0.01% 741
2020
Q1 		$8.73M Sell
617,985
-139,885
-18% -$2.38M 0.05% 275
2019
Q4 		$13.1M Sell
757,870
-189,505
-20% -$3.28M 0.06% 270
2019
Q3 		$16.4M Buy
947,375
+332,775
+54% +$5.44M 0.07% 248
2019
Q2 		$9.66M Buy
614,600
+79,970
+15% +$1.08M 0.05% 287
2019
Q1 		$6.37M Buy
534,630
+154,945
+41% +$1.74M 0.03% 388
2018
Q4 		$3.93M Buy
379,685
+187,385
+97% +$2.32M 0.02% 421
2018
Q3 		$2.63M Buy
192,300
+148,780
+342% +$1.97M 0.01% 509
2018
Q2 		$509K Buy
+43,520
New +$465K ﹤0.01% 891
2017
Q1 		– Sell
-44,065
Closed -$381K – 1772
2016
Q4 		$381K Buy
+44,065
New +$356K ﹤0.01% 920

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 $3.38T AUM 44.17% 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

Acadian Asset Management's TTEK Position: Q2 2026 in Review

Acadian Asset Management sold out of Tetra Tech (TTEK) in Q2 2026, closing a stake of 54,966 shares — an estimated $1.65M sold.

Acadian Asset Management first reported a position in TTEK in Q4 2016 and held it in 22 quarters. The position peaked at $16.4M in Q3 2019. 554 funds tracked by Wall St. Rank hold TTEK as of Q2 2026.

  • Acadian Asset Management reported no remaining Tetra Tech position as of Q2 2026 after selling out during the quarter.
  • Acadian Asset Management sold 54,966 Tetra Tech shares in Q2 2026, an estimated $1.65M.
  • Acadian Asset Management first reported a position in Tetra Tech in Q4 2016 and held it in 22 quarters.
  • Acadian Asset Management's Tetra Tech position peaked at $16.4M in Q3 2019.
  • 554 funds tracked by Wall St. Rank held Tetra Tech as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.