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TETRA TECH INC (TTEK)

SEC filings, insider trading & institutional ownership from EDGAR.

NasdaqIndustrialsProfessional Services

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Institutions
53
$4.54B held

Latest filings

10-K, 10-Q, 8-K, Form 4 & 13D/G. Sourced directly from SEC EDGAR

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No filings are available yet.

Top holders

13F & 13D/G • latest quarter

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HolderFiledValue
BlackRock, Inc.Aug 7, 2026$828.43M
Vanguard Portfolio ManagementAug 13, 2026$360.2M
Vanguard Capital ManagementAug 13, 2026$338.76M
Capital International InvestorsAug 12, 2026$336.6M
STATE STREET CORPORATIONSep 22, 2026$282.01M

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Data as of Oct 24, 2026Source: SEC EDGAR.