Optiver Holding’s Tetra Tech TTEK Stock Holding History

Optiver Holding’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	–	Sell	-2	Closed	-$67	–	2744
2025 Q4	$67	Buy	+2	New	+$68	﹤0.01%	2389

Other funds holding TTEK

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

Sands Capital Management Arlington, Virginia $26.9B AUM 34.44% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return

Optiver Holding's TTEK Position: Q1 2026 in Review

Optiver Holding sold out of Tetra Tech (TTEK) in Q1 2026, closing a stake of 2 shares — an estimated $67 sold.

Optiver Holding first reported a position in TTEK in Q4 2025 and held it in 1 quarter. The position peaked at $67 in Q4 2025. 592 funds tracked by Wall St. Rank hold TTEK as of Q1 2026.

Optiver Holding reported no remaining Tetra Tech position as of Q1 2026 after selling out during the quarter.
Optiver Holding sold 2 Tetra Tech shares in Q1 2026, an estimated $67.
Optiver Holding first reported a position in Tetra Tech in Q4 2025 and held it in 1 quarter.
Optiver Holding's Tetra Tech position peaked at $67 in Q4 2025.
592 funds tracked by Wall St. Rank held Tetra Tech as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.