Drag a card by its title · ⚙ to size, swap or remove

The company

Tetra Tech, Inc.

TTEK · Nasdaq

IndustrialsProfessional ServicesAbove a falling average

TTEK stood above a rising 150-day average in 8 of the last 52 weekly readings, and has been out of that trend for the last 7 weeks. It is 9.7% above that average now. Professional Services: 33% of its 72 stocks in an uptrend (−1 points in four weeks); Industrials: 28% (−3 points in four weeks).

SEC filings

Statistics

Rotation: Above a falling average
Weeks in an uptrend: out for 7
Industry in uptrend: 33% -1 in 4 wk
Insider buys, 12 months: $100K
Insider sales, 12 months: $803K
Officials’ trades on record: 4
Institutions holding: 507 (-39)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 8 of 52 weeks.

22 Apr – 21 Oct

Professional Services: A minority of its stocks are in an uptrend and the share has held steady. Industrials: A minority of its stocks are in an uptrend and the share has been slipping.

Money in and out

1 Nov 2024 – 1 Oct 2026

Open-market buys above the line and sales below, in dollars.

Congress and officials

4 disclosed lines: House 4, Senate 0, executive 0; 2 people.

Who	Did	Amount	Traded
Susie Lee House: U.S. House ClerkNV03	sold	$1k–$15k	17 Jun 2021filed 13 Jul 2021
Sara Jacobs House: U.S. House ClerkCA53	sold	$15k–$50k	9 Apr 2021filed 28 May 2021
Sara Jacobs House: U.S. House ClerkCA53	bought	$15k–$50k	19 Feb 2021filed 12 Mar 2021
Susie Lee House: U.S. House ClerkNV03	bought	$1k–$15k	22 Dec 2020filed 11 Jan 2021

Insiders

Buy orders, 12 months1

Sale orders, 12 months1

Buyers · sellers1 · 1

Who	Did	Shares	Traded
Jeffrey R. FeelerDirector	bought	1,900at $26.41	15 May 2026filed 15 May 2026
Brian N. CarterSVP, Corporate Controller	sold	9,979at $40.23	4 Feb 2026filed 6 Feb 2026

Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.

Institutions

Holders507-39 on the quarter

New · exited50 · 90

Reported value$7.1B

Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.

Manager	Shares	Change
BlackRock, Inc.added · filed 7 Aug 2026	28,675,276$828.4M	+1,884,870+7.0%
VANGUARD PORTFOLIO MANAGEMENT LLCreduced · filed 13 Aug 2026	12,467,970$360.2M	-175,124−1.4%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026	11,725,738$338.8M	+16,587+0.1%
Capital International Investorsadded · filed 12 Aug 2026	11,651,238$336.6M	+265,971+2.3%
STATE STREET CORPadded · filed 7 Aug 2026	9,761,640$282.0M	+125,728+1.3%
FMR LLCadded · filed 13 Aug 2026	8,768,611$253.3M	+8,440,359+2571.3%
GEODE CAPITAL MANAGEMENT, LLCadded · filed 12 Aug 2026	6,833,071$197.4M	+1,615,623+31.0%
FIL Ltdadded · filed 13 Aug 2026	5,471,691$158.1M	+639,019+13.2%
Amundiadded · filed 11 Aug 2026	5,098,519$147.3M	+349,272+7.4%
FULLER & THALER ASSET MANAGEMENT, INC.added · filed 12 Aug 2026	4,921,268$142.2M	+1,606,825+48.5%