Tetra Tech Inc (TTEK) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

3,612,780Shares held by institutions

$107,462,141Value of institutional holdings

97.16%Institutional ownership %

4.85%Shares Changed QoQ

585No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Tetra Tech Inc (NASDAQ:TTEK) has 590 institutional investors with active 13F positions as of December 2025.

They owned 92.1% of outstanding stock in December 2025, down from 96.2% the prior quarter.
Their total shares held in TTEK decreased -2.77% quarter over quarter, and separately, investors owning Tetra Tech decreased 5.14% from a year ago.
Activity in TTEK broke down as 268 buyers, 248 sellers, and 74 unchanged among 590 total holders.
Institutional investors collectively held 242.0Mn shares in Tetra Tech as of December 2025, down by 6.9Mn shares quarter on quarter, and down 1.83Mn shares year over year.
VANGUARD GROUP INC leads ownership in TTEK with 25.8Mn shares as of December 31, 2025, equal to 9.82% of outstanding shares.
Leading buyers of Tetra Tech shares for the quarter ending December 2025 were NORGES BANK (3.43Mn), Impax Asset Management Group plc (3.21Mn), AQR CAPITAL MANAGEMENT LLC (2.24Mn), FERNBRIDGE CAPITAL MANAGEMENT LP (2.05Mn), Capital International Investors (1.94Mn).
The largest sellers of Tetra Tech for the quarter ending December 2025 were Bank Of America Corp /De/ (4.0Mn), ALLIANCEBERNSTEIN L.P. (3.5Mn), Pictet Asset Management Holding SA (2.98Mn), Ninety One UK Ltd (2.94Mn), State Street Corp (1.87Mn).
Per Business Quant data, the top 10 holders of Tetra Tech for the quarter ending December 2025 are VANGUARD GROUP INC (25.8Mn), BlackRock, Inc. (25.73Mn), Pictet Asset Management Holding SA (11.2Mn), State Street Corp (9.42Mn), Capital International Investors (9.02Mn), Neuberger Berman Group LLC (8.35Mn), SANDS CAPITAL MANAGEMENT, LLC (7.01Mn), Amundi (5.1Mn), GEODE CAPITAL MANAGEMENT, LLC (5.08Mn), FIL Ltd (4.67Mn).

590 Institutional Holders

3,612,780 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	225,612	0.88%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	-501,178	-1.91%	$0.00
Pictet Asset Management Holding SA	31 Dec, 2025	-2,984,899	-21.04%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	734,069	164.96%	$0.00
State Street Corp	31 Dec, 2025	-1,868,482	-16.55%	$0.00
Impax Asset Management Group plc	31 Dec, 2025	3,208,190	0.00%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	533,328	92.34%	$0.00
Capital International Investors	31 Dec, 2025	1,936,902	27.36%	$0.00
Corient Private Wealth LLC	31 Dec, 2025	1,374,897	78.01%	$0.00
Barclays Plc	31 Dec, 2025	-161,643	-28.40%	$0.00
Neuberger Berman Group LLC	31 Dec, 2025	-676,477	-7.49%	$0.00
FERNBRIDGE CAPITAL MANAGEMENT LP	31 Dec, 2025	2,051,175	201.95%	$0.00
SANDS CAPITAL MANAGEMENT, LLC	31 Dec, 2025	-172,028	-2.40%	$0.00
LGT Group Foundation	31 Dec, 2025	82,719	2.78%	$0.00
Amundi	31 Dec, 2025	-663,884	-11.53%	$0.00
M&G Plc	31 Dec, 2025	-3,988	-0.17%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	52,375	1.04%	$0.00
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	31 Dec, 2025	45,299	2.54%	$0.00
FIL Ltd	31 Dec, 2025	381,708	8.91%	$0.00
Quantinno Capital Management LP	31 Dec, 2025	-14,266	-0.93%	$0.00

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