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. VolpiDirector2026-02-101,000$9.59
$9.59kBuy
Brian N. CarterSVP Corporate Controller2026-02-049,979$40.23
$401.41kSell
Steven M. BurdickEVP CFO2025-11-304,044$34.74
$140.49kSell
Preston HopsonEVP Chief LegalHuman Capital2025-11-302,044$34.74
$71.01kSell
Roger R. ArgusPresident2025-11-302,865$34.74
$99.53kSell
Leslie L. ShoemakerEVP Chief Sustainability2025-11-303,707$34.74
$128.78kSell
Brian N. CarterSVP Corporate Controller2025-11-301,500$34.74
$52.11kSell
Dan L. BatrackChairman and CEO2025-11-3022,396$34.74
$778.04kSell
Kirsten M. VolpiDirector2025-11-281,000$9.59
$9.59kBuy
Preston HopsonEVP Chief LegalHuman Capital2025-11-188,620$35.69
$307.65kSell

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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
Vanguard Group Inc9.89%25,800,544$801.62MInstitution
Blackrock Inc9.87%25,731,629$799.48MInstitution
Pictet Asset Management Holding Sa4.30%11,204,346$348.12MInstitution
State Street Corp3.61%9,424,246$292.81MInstitution
Capital International Investors3.46%9,016,577$280.15MInstitution
Neuberger Berman Group LLC3.20%8,351,221$259.47MInstitution
Sands Capital Management LLC2.69%7,007,004$217.71MInstitution
Amundi1.95%5,095,797$158.33MInstitution
Geode Capital Management LLC1.95%5,082,342$157.91MInstitution
Fil Ltd1.79%4,667,958$145.03MInstitution

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TTEK vs Engineering & Construction Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TTEK93.31%1.40%Net SellingNet Selling
AGX49.85%50.15%Net SellingNet Buying
PRIM78.89%21.11%Net SellingNet Selling
FLR94.43%4.03%Net SellingNet Selling
IESC20.43%79.57%Net SellingNet Selling

Tetra Tech Stock Ownership FAQ

Who owns Tetra Tech?

Tetra Tech (NASDAQ: TTEK) is owned by 93.31% institutional shareholders, 1.40% Tetra Tech insiders, and 5.29% retail investors. Vanguard Group Inc is the largest individual Tetra Tech shareholder, owning 25.80M shares representing 9.89% of the company. Vanguard Group Inc's Tetra Tech shares are currently valued at $801.62M.

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