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DUFF & PHELPS INVESTMENT MANAGEMENT CO

Position in TTEK — Tetra Tech Inc

CIK 765443 CHICAGO, IL

Position in TTEK

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$5,589,809
-$766,655 QoQ
Shares Held
193,486
-8.3% QoQ
Ownership
0.076%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#122
of 542 holders
Holding Since
Sep 2022
16 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in TTEK Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Jun 30, 2026

DUFF & PHELPS INVESTMENT MANAGEMENT CO holds $32,548,195 across 4 Engineering & Construction names. TTEK ranks #2 (17.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 TTEK
Tetra Tech Inc
This page
193,486 $5,589,809

All Filings in TTEK

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16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,589,809 193,486
2026-03-31 $6,356,464 211,038
2025-12-31 $4,314,853 128,648
2025-09-30 $8,986,430 269,216
2025-06-30 $11,209,738 311,728
2025-03-31 $9,118,044 311,728
2024-12-31 $19,235,787 482,826
2024-09-30 $29,756,073 630,960
2024-06-30 $30,002,941 146,728
2024-03-31 $31,259,950 169,238
2023-12-31 $26,681,089 159,834
2023-09-30 $27,213,370 179,000
2023-06-30 $32,584,260 199,000
2023-03-31 $30,704,190 209,000
2022-12-31 $30,054,330 207,000
2022-09-30 $26,605,710 207,000