Impax Asset Management Group
TTEK icon

Impax Asset Management Group’s Tetra Tech TTEK Stock Holding History

Impax Asset Management Group’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 		$114M Buy
3,931,741
+101,667
+3% +$2.98M 0.74% 41
2026
Q1 		$115M Buy
3,830,074
+621,884
+19% +$22M 0.8% 38
2025
Q4 		$108M Buy
+3,208,190
New +$108M 0.67% 45
2025
Q2 		– Sell
-24,600
Closed -$720K – 327
2025
Q1 		$720K Buy
24,600
+846
+4% +$28.4K ﹤0.01% 281
2024
Q4 		$946K Buy
23,754
+8,064
+51% +$362K ﹤0.01% 282
2024
Q3 		$740K Hold
15,690
– – ﹤0.01% 304
2024
Q2 		$642K Buy
+15,690
New +$640K ﹤0.01% 306

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

Impax Asset Management Group's TTEK Position: Q2 2026 in Review

Impax Asset Management Group increased its Tetra Tech (TTEK) stake by 2.7% in Q2 2026, buying an estimated $2.98M and bringing the position to 3,931,741 shares worth $114M. The position accounts for 0.74% of the portfolio, ranked #41.

Impax Asset Management Group first reported a position in TTEK in Q2 2024 and has held it in 7 quarters since. The position peaked at $115M in Q1 2026. 552 funds tracked by Wall St. Rank hold TTEK as of Q2 2026.

  • Impax Asset Management Group held 3,931,741 shares of Tetra Tech worth $114M as of Q2 2026.
  • Impax Asset Management Group bought 101,667 Tetra Tech shares in Q2 2026, an estimated $2.98M.
  • Tetra Tech made up 0.74% of Impax Asset Management Group's portfolio in Q2 2026, its #41 holding.
  • Impax Asset Management Group first reported a position in Tetra Tech in Q2 2024 and has held it in 7 quarters since.
  • Impax Asset Management Group's Tetra Tech position peaked at $115M in Q1 2026.
  • 552 funds tracked by Wall St. Rank held Tetra Tech as of Q2 2026.

Based on Impax Asset Management Group's 13F filing for Q2 2026, filed 11 Aug 2026.