TETRA TECH INC NEW (TTEK) is held by 234 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling TTEK?

In Q1 2026, 113 institutions opened or increased positions in TETRA TECH INC NEW while 128 reduced or exited — a net selling quarter.

What is the Smart Money Verdict on TTEK?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for TETRA TECH INC NEW.

How many hedge funds hold TTEK?

234 institutional investors report holding TETRA TECH INC NEW (TTEK) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into TTEK?

As of Q1 2026, tracked institutions in TETRA TECH INC NEW show 113 buyers versus 128 sellers — net outflows.

TETRA TECH INC NEW

TTEK·88162G103·US·Common Stock·Industrials - Engineering & Construction-Activist

234

Holders

Avg rating(45 Elite)

$6.4B

Total Value

47% (255)

Fund Consensus

113 buying - 128 selling

Smart Money Verdict

View all

Held by 234 funds

45 elite

Who's Trading

ActivistVAVanguard Capital Management5.2%Apr 30, 2026

Activist

The Vanguard Group0.0%Mar 27, 2026

ActivistPAPICTET ASSET MANAGEMENT SA4.9%Oct 17, 2025

InsiderBGBirkenbeuel GarySell $86KAug 14, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	26.8M(+4.1%)	$806.9M	0.0%	-20.80%	33
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	12.6M	$380.8M	0.0%	-14.98%	43
VAVANGUARD CAPITAL MANAGEMENT LLC	New	11.7M	$352.7M	0.0%	-14.98%	43
Capital International Investors	Increased	11.4M(+26.3%)	$342.9M	0.1%	-9.90%	38
Pictet Asset Management Holding SA	Decreased	9.6M(-13.9%)	$290.5M	0.3%	-26.35%	0
STATE STREET CORP	Increased	9.6M(+2.3%)	$290.2M	0.0%	-23.69%	32
Neuberger Berman Group LLC	Decreased	7.3M(-12.9%)	$219M	0.2%	-22.38%	0
SANDS CAPITAL MANAGEMENT, LLC	Decreased	6.7M(-5.0%)	$200.6M	0.8%	-16.71%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	5.2M(+2.7%)	$157.2M	0.0%	-21.39%	31
FIL Ltd	Increased	4.8M(+3.5%)	$145.6M	0.1%	-23.99%	37
WELLINGTON MANAGEMENT GROUP LLP	Increased	4.8M(+355.2%)	$144.7M	0.0%	-16.47%	49
Amundi	Decreased	4.7M(-6.8%)	$143.1M	0.0%	-18.22%	0
Impax Asset Management Group plc	Increased	3.8M(+19.4%)	$115.4M	0.8%	-9.73%	50
DIMENSIONAL FUND ADVISORS LP	Increased	3.8M(+3.1%)	$114.1M	0.0%	-16.54%	31
FULLER & THALER ASSET MANAGEMENT, INC.	New	3.3M	$99.8M	0.3%	-14.98%	50
LGT Group Foundation	Increased	3.2M(+3.3%)	$95.2M	1.2%	-12.44%	49
ALLIANCEBERNSTEIN L.P.	Decreased	2.8M(-8.8%)	$94.2M	0.0%	-22.72%	0
Invesco Ltd.	Increased	2.9M(+14.2%)	$88.4M	0.0%	-19.30%	34
Ninety One UK Ltd	Decreased	2.7M(-2.5%)	$82.3M	0.2%	-24.83%	0
FIRST TRUST ADVISORS LP	Increased	2.4M(+47.6%)	$73.7M	0.1%	-18.60%	41