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
Leslie L. ShoemakerEVP Chief Sustainability2025-11-303,707$34.74
$128.78kSell
Roger R. ArgusPresident2025-11-302,865$34.74
$99.53kSell
Brian N. CarterSVP Corporate Controller2025-11-301,500$34.74
$52.11kSell
Steven M. BurdickEVP CFO2025-11-304,044$34.74
$140.49kSell
Preston HopsonEVP Chief LegalHuman Capital2025-11-302,044$34.74
$71.01kSell
Dan L. BatrackChairman and CEO2025-11-3022,396$34.74
$778.04kSell
Kirsten M. VolpiDirector2025-11-281,000$9.59
$9.59kBuy
Brian N. CarterSVP Corporate Controller2025-11-185,977$35.69
$213.32kSell
Preston HopsonEVP Chief LegalHuman Capital2025-11-181,807$35.69
$64.49kSell
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 Inc10.01%26,301,722$882.16MInstitution
Blackrock Inc9.71%25,506,017$855.47MInstitution
Pictet Asset Management Holding Sa5.40%14,189,245$475.91MInstitution
State Street Corp4.30%11,292,728$378.76MInstitution
Neuberger Berman Group LLC3.44%9,027,698$302.79MInstitution
Sands Capital Management LLC2.73%7,179,032$240.78MInstitution
Capital International Investors2.69%7,079,675$237.45MInstitution
Alliancebernstein LP2.50%6,581,244$220.73MInstitution
Amundi2.19%5,759,681$193.18MInstitution
Geode Capital Management LLC1.91%5,029,967$168.71MInstitution

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TTEK vs Engineering & Construction Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TTEK93.96%1.37%Net SellingNet Selling
IESC20.62%79.38%Net SellingNet Selling
STRL84.05%15.95%Net Selling
DY94.01%5.99%Net SellingNet Selling
PRIM77.13%22.87%Net SellingNet Selling

Tetra Tech Stock Ownership FAQ

Who owns Tetra Tech?

Tetra Tech (NASDAQ: TTEK) is owned by 93.96% institutional shareholders, 1.37% Tetra Tech insiders, and 4.66% retail investors. Vanguard Group Inc is the largest individual Tetra Tech shareholder, owning 26.30M shares representing 10.01% of the company. Vanguard Group Inc's Tetra Tech shares are currently valued at $885.05M.

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