Magnetar Financial’s Tetra Tech TTEK Stock Holding History

Magnetar Financial’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	-30,856	Closed	-$1.03M	–	1406
2025 Q4	$1.03M	Buy	+30,856	New	+$1.04M	0.01%	432
2023 Q4	–	Sell	-16,680	Closed	-$507K	–	550
2023 Q3	$507K	Buy	+16,680	New	+$542K	0.01%	327
2022 Q4	–	Sell	-105,765	Closed	-$2.72M	–	948
2022 Q3	$2.72M	Buy	+105,765	New	+$2.96M	0.04%	506
2021 Q3	–	Sell	-43,745	Closed	-$1.07M	–	1527
2021 Q2	$1.07M	Buy	43,745 +34,010	+349%	+$856K	0.01%	700
2021 Q1	$264K	Buy	+9,735	New	+$258K	﹤0.01%	941
2018 Q1	–	Sell	-31,680	Closed	-$305K	–	793
2017 Q4	$305K	Buy	+31,680	New	+$307K	0.01%	502

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 $3.37T AUM 44.26% 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

Magnetar Financial's TTEK Position: Q1 2026 in Review

Magnetar Financial sold out of Tetra Tech (TTEK) in Q1 2026, closing a stake of 30,856 shares — an estimated $1.03M sold.

Magnetar Financial first reported a position in TTEK in Q4 2017 and held it in 6 quarters. The position peaked at $2.72M in Q3 2022. 592 funds tracked by Wall St. Rank hold TTEK as of Q1 2026.

Magnetar Financial reported no remaining Tetra Tech position as of Q1 2026 after selling out during the quarter.
Magnetar Financial sold 30,856 Tetra Tech shares in Q1 2026, an estimated $1.03M.
Magnetar Financial first reported a position in Tetra Tech in Q4 2017 and held it in 6 quarters.
Magnetar Financial's Tetra Tech position peaked at $2.72M in Q3 2022.
592 funds tracked by Wall St. Rank held Tetra Tech as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.