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DIMENSIONAL FUND ADVISORS LP

Position in TTEK — Tetra Tech Inc

CIK 354204 AUSTIN, TX

Position in TTEK

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$128,451,148
+$14,319,242 QoQ
Shares Held
4,446,215
+17.3% QoQ
Ownership
1.74%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#13
of 543 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 87% Shared 9% None 4%

Common Shares in TTEK Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Jun 30, 2026

DIMENSIONAL FUND ADVISORS LP holds $4,631,732,956 across 35 Engineering & Construction names. TTEK ranks #17 (2.8% 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 $128,451,148 4,446,215
2026-03-31 $114,131,906 3,789,240
2025-12-31 $123,315,844 3,676,680
2025-09-30 $119,943,049 3,593,261
2025-06-30 $127,481,722 3,545,098
2025-03-31 $90,712,789 3,101,292
2024-12-31 $79,604,819 1,998,113
2024-09-30 $92,672,558 1,965,067
2024-06-30 $88,860,462 434,568
2024-03-31 $72,861,073 394,462
2023-12-31 $70,366,835 421,535
2023-09-30 $71,546,076 470,605
2023-06-30 $88,952,735 543,256
2023-03-31 $89,027,016 605,997
2022-12-31 $107,511,595 740,489
2022-09-30 $105,479,941 820,664
2022-06-30 $117,870,094 863,201
2022-03-31 $145,113,552 879,796
2021-12-31 $151,848,744 894,280
2021-09-30 $138,154,135 925,098
2021-06-30 $117,854,394 965,703
2021-03-31 $137,367,640 1,012,140
2020-12-31 $139,658,004 1,206,236
2020-09-30 $125,412,605 1,313,221
2020-06-30 $107,018,977 1,352,616
2020-03-31 $101,221,411 1,433,325