Group One Trading
TTEK icon

Group One Trading’s Tetra Tech TTEK Stock Holding History

Group One Trading’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 		$2.55M Buy
88,400
+3,900
+5% +$114K ﹤0.01% 2004
2026
Q1 		$2.55M Sell
84,500
-117,400
-58% -$4.15M ﹤0.01% 1864
2025
Q4 		$6.77M Buy
201,900
+89,400
+79% +$3.02M 0.01% 1240
2025
Q3 		$3.76M Buy
112,500
+73,300
+187% +$2.66M 0.01% 1748
2025
Q2 		$1.41M Sell
39,200
-27,400
-41% -$912K ﹤0.01% 2447
2025
Q1 		$1.95M Buy
+66,600
New +$2.23M 0.01% 1832
2022
Q1 		– Sell
-500
Closed -$17K – 8739
2021
Q4 		$17K Buy
+500
New +$17.2K ﹤0.01% 7078
2021
Q3 		– Sell
-1,000
Closed -$24K – 8809
2021
Q2 		$24K Buy
1,000
+500
+100% +$12.6K ﹤0.01% 7086
2021
Q1 		$14K Buy
+500
New +$13.2K ﹤0.01% 6915

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

Group One Trading's TTEK Position: Q2 2026 in Review

Group One Trading increased its Tetra Tech (TTEK) stake by 495% in Q2 2026, buying an estimated $829K and bringing the position to 33,974 shares worth $982K. The position accounts for ﹤0.01% of the portfolio, ranked #2892.

Group One Trading first reported a position in TTEK in Q4 2021 and has held it in 5 quarters since. 554 funds tracked by Wall St. Rank hold TTEK as of Q2 2026.

  • Group One Trading held 33,974 shares of Tetra Tech worth $982K as of Q2 2026.
  • Group One Trading bought 28,265 Tetra Tech shares in Q2 2026, an estimated $829K.
  • Tetra Tech made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #2892 holding.
  • Group One Trading first reported a position in Tetra Tech in Q4 2021 and has held it in 5 quarters since.
  • 554 funds tracked by Wall St. Rank held Tetra Tech as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.