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
Q1 		$172K Buy
5,709
+4,553
+394% +$161K ﹤0.01% 4247
2025
Q4 		$38.8K Sell
1,156
-17,315
-94% -$586K ﹤0.01% 5800
2025
Q3 		$617K Buy
+18,471
New +$671K ﹤0.01% 3481
2022
Q1 		– Sell
-500
Closed -$17K – 8738
2021
Q4 		$17K Buy
+500
New +$17.2K ﹤0.01% 7077

Other funds holding TTEK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return

Group One Trading's TTEK Position: Q1 2026 in Review

Group One Trading increased its Tetra Tech (TTEK) stake by 394% in Q1 2026, buying an estimated $161K and bringing the position to 5,709 shares worth $172K. The position accounts for ﹤0.01% of the portfolio, ranked #4247.

Group One Trading first reported a position in TTEK in Q4 2021 and has held it in 4 quarters since. The position peaked at $617K in Q3 2025. 588 funds tracked by Wall St. Rank hold TTEK as of Q1 2026.

  • Group One Trading held 5,709 shares of Tetra Tech worth $172K as of Q1 2026.
  • Group One Trading bought 4,553 Tetra Tech shares in Q1 2026, an estimated $161K.
  • Tetra Tech made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #4247 holding.
  • Group One Trading first reported a position in Tetra Tech in Q4 2021 and has held it in 4 quarters since.
  • Group One Trading's Tetra Tech position peaked at $617K in Q3 2025.
  • 588 funds tracked by Wall St. Rank held Tetra Tech as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.