ALLIANCEBERNSTEIN L.P.

Position in TTEK — Tetra Tech Inc

CIK 1109448 NASHVILLE, TN

Back to TTEK Full portfolio

Position in TTEK

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

Position Value

$84,560,845

-$18,708,781 QoQ

Shares Held

2,807,465

-8.8% QoQ

Ownership

1.08%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 89.64218610027196.ToString("F0")% Shared 0.ToString("F0")% None 10.357813899728047.ToString("F0")%

Common Shares in TTEK Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Mar 31, 2026

ALLIANCEBERNSTEIN L.P. holds $1,394,799,349 across 34 Engineering & Construction names. TTEK ranks #5 (6.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	STN	Stantec Inc	3,463,970	$299,287,008
2	FIX	Comfort Systems USA Inc	148,961	$205,415,729
3	PWR	Quanta Services, Inc.	301,894	$165,745,843
4	PRIM	Primoris Services Corp	683,386	$97,751,533
5	TTEK	Tetra Tech Inc This page	2,807,465	$84,560,845
6	ECG	Everus Construction Group, Inc.	676,599	$79,879,277
7	GVA	Granite Construction Inc	647,558	$77,629,253
8	APG	APi Group Corp	1,286,448	$52,126,872

All Filings in TTEK

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$84,560,845	2,807,465	-8.8%	Shares	Defined	2026-05-15
2025-12-31	$103,269,626	3,078,999	-53.2%	Shares	Defined	2026-02-17
2025-09-30	$219,681,924	6,581,244	+12.0%	Shares	Defined	2025-11-14
2025-06-30	$211,285,533	5,875,571	-4.3%	Shares	Defined	2025-08-14
2025-03-31	$179,630,802	6,141,224	-21.8%	Shares	Defined	2025-05-15
2024-12-31	$312,783,322	7,850,987	-30.7%	Shares	Defined	2025-02-12
2024-09-30	$534,625,331	11,336,415	+366.0%	Shares	Defined	2024-11-14
2024-06-30	$99,480,174	2,432,516	-4.5%	Shares	Defined	2024-08-14
2024-03-31	$94,063,456	2,546,247	-3.5%	Shares	Defined	2024-05-14
2023-12-31	$88,063,387	2,637,734	-0.4%	Shares	Defined	2024-02-14
2023-09-30	$80,517,246	2,648,071	-1.4%	Shares	Defined	2023-11-14
2023-06-30	$87,964,271	2,686,096	-12.7%	Shares	Defined	2023-08-15
2023-03-31	$90,432,066	3,077,805	+4.4%	Shares	Defined	2023-05-15
2022-12-31	$85,624,408	2,948,702	-7.8%	Shares	Defined	2023-02-15
2022-09-30	$82,246,835	3,199,519	-4.5%	Shares	Defined	2022-11-15
2022-06-30	$91,482,573	3,349,783	-7.6%	Shares	Defined	2022-08-15
2022-03-31	$119,584,402	3,625,088	+40.0%	Shares	Defined	2022-05-13
2021-12-31	$87,912,184	2,588,698	+0.3%	Shares	Defined	2022-02-14
2021-09-30	$77,055,587	2,579,871	+9.3%	Shares	Defined	2021-11-10
2021-06-30	$57,596,192	2,359,726	+7.2%	Shares	Defined	2021-07-30
2021-03-31	$59,767,803	2,201,879	+12.5%	Shares	Defined	2021-05-06
2020-12-31	$45,341,601	1,958,093	+58.3%	Shares	Defined	2021-02-08
2020-09-30	$23,628,304	1,237,084	+12.6%	Shares	Defined	2020-11-12
2020-06-30	$17,386,097	1,098,717	+5.9%	Shares	Defined	2020-08-13
2020-03-31	$14,650,500	1,037,277	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.