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Weiss Asset Management’s Tetra Tech TTEK Stock Holding History

Weiss Asset 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 		$30.9K Sell
1,071
-158,327
-99% -$4.65M ﹤0.01% 616
2026
Q1 		$4.8M Buy
+159,398
New +$5.63M 0.08% 181
2025
Q4 		– Sell
-11,220
Closed -$375K – 847
2025
Q3 		$375K Buy
+11,220
New +$408K ﹤0.01% 510
2025
Q1 		– Sell
-205,900
Closed -$8.2M – 666
2024
Q4 		$8.2M Buy
+205,900
New +$9.24M 0.15% 133

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 $3.38T AUM 44.17% 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

Weiss Asset Management's TTEK Position: Q2 2026 in Review

Weiss Asset Management reduced its Tetra Tech (TTEK) stake by 99% in Q2 2026, selling an estimated $4.65M and leaving 1,071 shares worth $30.9K. The position accounts for ﹤0.01% of the portfolio, ranked #616.

Weiss Asset Management first reported a position in TTEK in Q4 2024 and has held it in 4 quarters since. The position peaked at $8.2M in Q4 2024. 554 funds tracked by Wall St. Rank hold TTEK as of Q2 2026.

  • Weiss Asset Management held 1,071 shares of Tetra Tech worth $30.9K as of Q2 2026.
  • Weiss Asset Management sold 158,327 Tetra Tech shares in Q2 2026, an estimated $4.65M.
  • Tetra Tech made up ﹤0.01% of Weiss Asset Management's portfolio in Q2 2026, its #616 holding.
  • Weiss Asset Management first reported a position in Tetra Tech in Q4 2024 and has held it in 4 quarters since.
  • Weiss Asset Management's Tetra Tech position peaked at $8.2M in Q4 2024.
  • 554 funds tracked by Wall St. Rank held Tetra Tech as of Q2 2026.

Based on Weiss Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.