NASDAQ: TTEK
Tetra Tech Inc Stock Ownership - Who owns Tetra Tech?

Insider buying vs selling

Have Tetra Tech Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Kirsten M. VolpiDirector2026-08-042,300$9.59
$22.06kBuy
Kirsten M. VolpiDirector2026-06-041,700$9.59
$16.30kBuy
Jeffrey R. FeelerDirector2026-05-151,900$26.41
$50.18kBuy
Kirsten M. VolpiDirector2026-02-101,000$9.59
$9.59kBuy
Brian N. CarterSVP Corporate Controller2026-02-049,979$40.23
$401.41kSell
Dan L. BatrackChairman and CEO2025-11-3022,396$34.74
$778.04kSell
Brian N. CarterSVP Corporate Controller2025-11-301,500$34.74
$52.11kSell
Leslie L. ShoemakerEVP Chief Sustainability2025-11-303,707$34.74
$128.78kSell
Steven M. BurdickEVP CFO2025-11-304,044$34.74
$140.49kSell
Preston HopsonEVP Chief LegalHuman Capital2025-11-302,044$34.74
$71.01kSell

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Net Insider Buy/Sell (L12M) Ownership

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TTEK Shareholders

What type of owners hold Tetra Tech Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Lisan Hwang0.31%798,494$29.18MInsider
Daniel A. Whalen0.29%749,984$27.40MInsider
Dan L. Batrack0.13%332,498$12.15MInsider
Leslie L. Shoemaker0.13%325,821$11.91MInsider
Kimberly E. Ritrievi0.08%192,259$7.03MInsider
Steven M. Burdick0.05%138,251$5.05MInsider
Joanne M. Maguire0.04%97,785$3.57MInsider
William R. Brownlie0.03%88,043$3.22MInsider
Preston Hopson0.03%83,142$3.04MInsider
Kirsten M. Volpi0.03%74,218$2.71MInsider

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TTEK vs Engineering & Construction Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TTEK0.10%1.43%Net SellingNet Buying
ACM0.09%21.07%Net SellingNet Buying
DY0.09%6.14%Net SellingNet Buying
STN0.06%0.00%
ACA0.09%77.71%Net Selling

Tetra Tech Stock Ownership FAQ

Who owns Tetra Tech?

Tetra Tech (NASDAQ: TTEK) is owned by 0.10% institutional shareholders, 1.43% Tetra Tech insiders, and 98.47% retail investors. Lisan Hwang is the largest individual Tetra Tech shareholder, owning 798,494.00 shares representing 0.31% of the company. Lisan Hwang's Tetra Tech shares are currently valued at $29.18M.

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