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VANGUARD PORTFOLIO MANAGEMENT LLC

Position in TTEK — Tetra Tech Inc

CIK 2100121 MALVERN, PA

Position in TTEK

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$360,199,653
-$20,610,338 QoQ
Shares Held
12,467,970
-1.4% QoQ
Ownership
4.87%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#2
of 543 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in TTEK Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Jun 30, 2026

VANGUARD PORTFOLIO MANAGEMENT LLC holds $19,654,882,788 across 34 Engineering & Construction names. TTEK ranks #16 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in TTEK

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $360,199,653 12,467,970
2026-03-31 $380,809,991 12,643,094