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FMR LLC

Position in TTEK — Tetra Tech Inc

CIK 315066 BOSTON, MA

Position in TTEK

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$253,325,171
+$243,438,224 QoQ
Shares Held
8,768,611
+2571.3% QoQ
Ownership
3.42%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#6
of 543 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 90% Shared 0% None 10%

Common Shares in TTEK Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Jun 30, 2026

FMR LLC holds $13,929,408,614 across 38 Engineering & Construction names. TTEK ranks #14 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in TTEK

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $253,325,171 8,768,611
2026-03-31 $9,886,947 328,252
2025-12-31 $11,847,331 353,230
2025-09-30 $11,327,100 339,338
2025-06-30 $12,188,425 338,944
2025-03-31 $12,659,866 432,816
2024-12-31 $49,427,812 1,240,658
2024-09-30 $52,937,710 1,122,513
2024-06-30 $32,038,946 156,685
2024-03-31 $31,582,083 170,982
2023-12-31 $34,538,150 206,902
2023-09-30 $18,724,469 123,163
2023-06-30 $20,055,037 122,481
2023-03-31 $32,502,954 221,244
2022-12-31 $31,420,421 216,409
2022-09-30 $38,401,035 298,771
2022-06-30 $34,969,497 256,093
2022-03-31 $48,064,999 291,409
2021-12-31 $94,239,848 555,005
2021-09-30 $103,448,563 692,705
2021-06-30 $75,299,778 617,009
2021-03-31 $157,622,221 1,161,378
2020-12-31 $126,568,841 1,093,184
2020-09-30 $118,980,011 1,245,864
2020-06-30 $65,420,450 826,851
2020-03-31 $76,086,199 1,077,403