TETRA TECH INC NEW
TTEK·88162G103·US·Common Stock·Industrials - Engineering & Construction-Activist
TTEK (TETRA TECH INC NEW) is held by 232 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($828.4M), VANGUARD PORTFOLIO MANAGEMENT LLC ($360.2M), VANGUARD CAPITAL MANAGEMENT LLC ($338.8M). Net institutional sentiment: Mixed.
232
Holders
(17 Elite)
$6.4B
Total Value
51% (233)
Consensus
118 buying - 115 selling
13F: Insider & Congress: Updated regularly
Who's Trading
Source dates: Price Oct 12, 2026 · Insiders Aug 6, 2026 · Activists Apr 30, 2026 · Congress none
InsiderVMVolpi Kirsten MExercise 2K shAug 4, 2026
InsiderVMVolpi Kirsten MExercise 2K shJun 4, 2026
InsiderFRFeeler Jeffrey RBuy $50KMay 15, 2026
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Top Holders
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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer