Tetra Tech ($TTEK) Insider Trading & Smart Money Activity

Tetra Tech, Inc. · Engineering & Construction · Latest filing Oct 15, 2026

Tetra Tech, Inc. ($TTEK) has 4 13F position changes on file.

Insider buyers (12 mo): 0
Insider sellers (12 mo): 0
Net insider $ (12 mo): $0
Congress trades (12 mo): 0
13F moves on file: 4
Analyst ratings on file: 0

TTEK insider buying and selling by quarter

Quarter	Congress buys / sales	13F added / cut
Q1 2026	0 / 0	0 / 0
Q2 2026	0 / 0	0 / 2
Q3 2026	0 / 0	0 / 0
Q4 2026	0 / 0	1 / 1

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All TTEK insider, congress, 13F and analyst activity

Date	Source	Who	Action	Shares	Value / amount	Story
Oct 15, 2026	13F	Portman Square Capital	Added	+50.95K sh	$5.42M	—
Oct 15, 2026	13F	Ninety One North America	Reduced	-123.39K sh	$11.94M	—
May 8, 2026	13F	Sands Capital Management	Reduced	-348.18K sh	$189.31M	—
May 8, 2026	13F	Sands Capital Management	Reduced	-348.18K sh	$192.37M	—

1W / 1M / 6M = how TTEK moved from the trade or filing date.

Institutions moving TTEK (13F)

Frequently asked questions

Which institutions changed their TTEK positions?

Recent 13F filers moving the stock include Sands Capital Management, Portman Square Capital and Ninety One North America.

Other engineering & construction stocks

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Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

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