Twin Tree Management
TTEK icon

Twin Tree Management’s Tetra Tech TTEK Stock Holding History

Twin Tree 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 		$75.1K Sell
2,600
-4,100
-61% -$120K ﹤0.01% 1279
2026
Q1 		$202K Sell
6,700
-37,700
-85% -$1.33M ﹤0.01% 1089
2025
Q4 		$1.49M Sell
44,400
-182,900
-80% -$6.19M 0.01% 909
2025
Q3 		$7.59M Buy
227,300
+200,800
+758% +$7.3M 0.03% 603
2025
Q2 		$953K Buy
+26,500
New +$882K ﹤0.01% 1366
2024
Q1 		– Sell
-9,000
Closed -$300K – 1614
2023
Q4 		$300K Buy
+9,000
New +$287K ﹤0.01% 1237

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

Twin Tree Management's TTEK Position: Q2 2026 in Review

Twin Tree Management sold out of Tetra Tech (TTEK) in Q2 2026, closing a stake of 645 shares — an estimated $18.9K sold.

Twin Tree Management first reported a position in TTEK in Q3 2023 and held it in 5 quarters. The position peaked at $6.33M in Q2 2025. 553 funds tracked by Wall St. Rank hold TTEK as of Q2 2026.

  • Twin Tree Management reported no remaining Tetra Tech position as of Q2 2026 after selling out during the quarter.
  • Twin Tree Management sold 645 Tetra Tech shares in Q2 2026, an estimated $18.9K.
  • Twin Tree Management first reported a position in Tetra Tech in Q3 2023 and held it in 5 quarters.
  • Twin Tree Management's Tetra Tech position peaked at $6.33M in Q2 2025.
  • 553 funds tracked by Wall St. Rank held Tetra Tech as of Q2 2026.

Based on Twin Tree Management's 13F filing for Q2 2026, filed 12 Aug 2026.