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
Q1 		$521K Buy
+17,300
New +$612K 0.01% 918
2025
Q4 		– Sell
-39,000
Closed -$1.3M – 1725
2025
Q3 		$1.3M Buy
+39,000
New +$1.42M 0.01% 1139

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

Twin Tree Management's TTEK Position: Q1 2026 in Review

Twin Tree Management opened a new position in Tetra Tech (TTEK) in Q1 2026: 645 shares worth $19.4K. The stake represents ﹤0.01% of the portfolio and ranks #1215 among its holdings. This is a return to the name: Twin Tree Management previously reported a position in TTEK as recently as Q3 2025.

Twin Tree Management first reported a position in TTEK in Q3 2023 and has held it in 5 quarters since. The position peaked at $6.33M in Q2 2025. 588 funds tracked by Wall St. Rank hold TTEK as of Q1 2026.

  • Twin Tree Management held 645 shares of Tetra Tech worth $19.4K as of Q1 2026.
  • Tetra Tech was a new Twin Tree Management position in Q1 2026.
  • Tetra Tech made up ﹤0.01% of Twin Tree Management's portfolio in Q1 2026, its #1215 holding.
  • Twin Tree Management first reported a position in Tetra Tech in Q3 2023 and has held it in 5 quarters since.
  • Twin Tree Management's Tetra Tech position peaked at $6.33M in Q2 2025.
  • 588 funds tracked by Wall St. Rank held Tetra Tech as of Q1 2026.

Based on Twin Tree Management's 13F filing for Q1 2026, filed 14 May 2026.