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
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
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
Steven M. BurdickEVP CFO2025-11-304,044$34.74
$140.49kSell
Kirsten M. VolpiDirector2025-11-281,000$9.59
$9.59kBuy

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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
Blackrock Inc10.32%26,790,406$730.57MInstitution
Vanguard Portfolio Management LLC4.87%12,643,094$344.78MInstitution
Vanguard Capital Management LLC4.51%11,709,151$319.31MInstitution
Capital International Investors4.39%11,385,267$310.48MInstitution
Pictet Asset Management Holding Sa3.72%9,644,792$263.01MInstitution
State Street Corp3.71%9,635,912$262.77MInstitution
Neuberger Berman Group LLC2.80%7,269,657$198.24MInstitution
Sands Capital Management LLC2.57%6,658,823$181.59MInstitution
Geode Capital Management LLC2.01%5,217,448$142.28MInstitution
Fil Ltd1.86%4,832,672$131.79MInstitution

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TTEK vs Engineering & Construction Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TTEK93.79%1.41%Net SellingNet Buying
MYRG70.95%29.05%Net SellingNet Selling
ROAD46.17%53.83%Net SellingNet Buying
FLR91.76%4.25%Net SellingNet Selling
GVA96.55%3.45%Net SellingNet Selling

Tetra Tech Stock Ownership FAQ

Who owns Tetra Tech?

Tetra Tech (NASDAQ: TTEK) is owned by 93.79% institutional shareholders, 1.41% Tetra Tech insiders, and 4.80% retail investors. Blackrock Inc is the largest individual Tetra Tech shareholder, owning 26.79M shares representing 10.32% of the company. Blackrock Inc's Tetra Tech shares are currently valued at $729.77M.

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