Tetra Tech Ownership & Insider Activity

Tetra Tech (TTEK) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.1% of shares outstanding. Institutional investors hold 80.4%.

Shares Outstanding

260.808M

Shares Float

232.359M

Insider Shares Owned

2.858M

Insider % Owned

1.1%

Institutional Shares Held

205.928M

Institutional % Held

80.4%

Ownership Breakdown

Net Insider Activity by Month

Tetra Tech Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
May 15, 2026	Jeffrey R Feeler	DIRECTOR	BUY	1.900K	$26.41	$50K

Date	Member	Party	Chamber	Action	Amount
Jun 17, 2021	Susie Lee	D	House	Sale	$1,001 - $15,000