Tetra Tech (TTEK) Ownership - Who Owns Tetra Tech?

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Tetra Tech (TTEK) Ownership Overview

0.50% Insiders

19.16% Mutual Funds

4.57% Other Institutional Investors

23.86% ETFs

51.90% Public Companies and Individual Investors

The ownership structure of Tetra Tech (TTEK) stock is a mix of institutional, retail, and individual investors. Approximately 47.59% of the company’s stock is owned by Institutional Investors, 0.50% is owned by Insiders, and 51.90% is owned by Public Companies and Individual Investors.

The ownership structure of Tetra Tech (TTEK) stock is a mix of institutional, retail, and individual investors. Approximately 23.73% of the company’s stock is owned by Institutional Investors, 0.50% is owned by Insiders, and 23.86% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date	Name	Activity	Value
Feb 06, 2026	Brian Carter	xxxxxxxxxxxxx	$401355
Aug 15, 2025	Gary Birkenbeuel	xxxxxxxxxxxxx	$86040

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Recent Hedge Fund Trading Activity

Date	Firm	Activity	Value
Dec 31, 2023	Sands Capital Management Llc	xxxxxxxxxxxxx	$235014914
Dec 31, 2023	Bridgewater Associates, Lp	xxxxxxxxxxxxx	$2156656
Dec 31, 2023	Fisher Asset Management Llc	xxxxxxxxxxxxx	$20834981
Dec 31, 2023	Wexford Capital Lp	xxxxxxxxxxxxx	$23948

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Top Shareholders

Holder	# of Shares	Type	% Holding	Value
	23,751,966	Institution	9.11%	745,336,693
	20,692,836	Institution	7.93%	649,341,194
	17,210,431	Institution	6.60%	540,063,325
Frank Sands	7,007,004	Institution	2.69%	219,879,786
	5,440,185	Institution	2.09%	170,713,005
	5,007,403	Institution	1.92%	157,132,306
	4,068,579	Institution	1.56%	127,672,009
	2,700,735	Institution	1.04%	84,749,064
	2,649,497	Institution	1.02%	83,141,216
	2,609,473	Institution	1.00%	81,885,263

Top Mutual Fund Holders

# of Shares	Type	% Holding	Value
20,692,836	Institution	7.93%	649,341,194
5,440,185	Institution	2.09%	170,713,005
4,068,579	Institution	1.56%	127,672,009
2,609,473	Institution	1.00%	81,885,263
1,647,990	Institution	0.63%	51,713,926
1,585,673	Institution	0.61%	49,758,419
1,434,648	Institution	0.55%	45,019,254
1,338,393	Institution	0.51%	41,998,772
1,264,600	Institution	0.48%	39,683,148
1,016,077	Institution	0.39%	31,884,496

Top ETF Holders

Holder	# of Shares	Type	% Holding	Value
iShares Core S&P Mid-Cap ETF	8,794,025	Institution	3.37%	275,956,505
Vanguard Total Stock Market ETF	8,302,946	Institution	3.18%	250,084,734
Vanguard Small-Cap ETF	6,021,669	Institution	2.31%	181,372,670
Vanguard Small Cap Value ETF	3,831,841	Institution	1.47%	115,415,051
Vanguard Extended Market ETF	2,916,111	Institution	1.12%	87,833,263
Invesco Water Resources ETF	2,071,626	Institution	0.79%	65,007,624
SPDR S&P Midcap 400 ETF Trust	1,980,741	Institution	0.76%	62,155,653
Global X U.S. Infrastructure Development ETF	1,857,020	Institution	0.71%	58,588,981
iShares S&P Mid-Cap ETF CDI	1,653,339	Institution	0.63%	234,625,337
First Trust Water ETF	1,623,651	Institution	0.62%	50,950,168

FAQ

Who Owns Tetra Tech (TTEK)?

According to the latest TipRanks data, approximately 4.57% of the company's stock is held by institutional investors, 0.50% is held by insiders, and 51.90% is held by retail investors.

What percentage of Tetra Tech (TTEK) stock is held by institutional investors?

According to the latest TipRanks data, approximately 4.57% of Tetra Tech (TTEK) stock is held by institutional investors.

What percentage of Tetra Tech (TTEK) stock is held by retail investors?

According to the latest TipRanks data, approximately 51.90% of Tetra Tech (TTEK) stock is held by retail investors.

Who owns the most shares of Tetra Tech (TTEK)?

Vanguard owns the most shares of Tetra Tech (TTEK).

What is the significance of the ownership structure for a publicly traded company?

The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.