MARSHALL WACE, LLP

Position in TTEK — Tetra Tech Inc

CIK 1318757 LONDON, X0

Position in TTEK

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$21,674,893

+$18,486,782 QoQ

Shares Held

719,618

+657.1% QoQ

Ownership

0.277%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2020

12 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 100.ToString("F0")% None 0.ToString("F0")%

Industrials · as of Mar 31, 2026

MARSHALL WACE, LLP holds $174,761,199 across 29 Engineering & Construction names. TTEK ranks #2 (12.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	APG	APi Group Corp	1,025,934	$41,570,845
2	TTEK	Tetra Tech Inc This page	719,618	$21,674,893
3	MYRG	Myr Group Inc.	69,325	$19,571,832
4	PWR	Quanta Services, Inc.	30,822	$16,921,894
5	STN	Stantec Inc	128,013	$11,060,323
6	TPC	Tutor Perini Corp	90,329	$6,972,494
7	ROAD	Construction Partners, Inc.	62,624	$6,958,778
8	ACM	Aecom	57,940	$4,914,470

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$21,674,893	719,618	+657.1%	Shares	Other	2026-05-15
2025-12-31	$3,188,111	95,054	-81.8%	Shares	Other	2026-02-13
2025-06-30	$18,781,836	522,298	+1037.2%	Shares	Other	2025-08-13
2024-12-31	$1,829,731	45,927	+107.3%	Shares	Other	2025-02-13
2024-09-30	$1,044,641	22,151	-73.2%	Shares	Other	2024-11-14
2024-06-30	$3,381,689	82,690	+1412.0%	Shares	Other	2024-08-14
2023-12-31	$182,587	5,469	-84.0%	Shares	Other	2024-02-14
2023-06-30	$1,121,913	34,259	+200.8%	Shares	Other	2023-08-14
2022-06-30	$311,060	11,390	-32.2%	Shares	Other	2022-08-15
2021-12-31	$570,391	16,796	+642.9%	Shares	Other	2022-02-14
2021-03-31	$61,372	2,261	-42.5%	Shares	Sole	2021-05-17
2020-12-31	$90,979	3,929	—	Shares	Sole	2021-02-16
No filing history on record for this holder in this stock.