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WELLINGTON MANAGEMENT GROUP LLP

Position in TTEK — Tetra Tech Inc

CIK 902219 Boston, MA

Position in TTEK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$135,034,428
-$9,663,524 QoQ
Shares Held
4,674,089
-2.7% QoQ
Ownership
1.83%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#12
of 543 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 0% Shared 88% None 12%

Common Shares in TTEK Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $1,263,812,386 across 18 Engineering & Construction names. TTEK ranks #4 (10.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 TTEK
Tetra Tech Inc
This page
4,674,089 $135,034,428

All Filings in TTEK

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $135,034,428 4,674,089
2026-03-31 $144,697,952 4,804,049
2025-12-31 $35,393,888 1,055,274
2025-09-30 $35,146,834 1,052,931
2025-06-30 $49,782,553 1,384,387
2025-03-31 $43,225,970 1,477,811
2024-12-31 $47,567,484 1,193,963
2024-09-30 $50,830,366 1,077,828
2024-06-30 $47,346,114 231,544
2024-03-31 $42,999,193 232,793
2023-12-31 $47,785,546 286,261
2023-09-30 $58,416,005 384,240
2023-06-30 $63,679,301 388,905
2023-03-31 $55,266,804 376,195
2022-12-31 $58,750,696 404,647
2022-09-30 $59,871,456 465,817
2022-06-30 $68,897,256 504,557
2022-03-31 $114,529,714 694,372
2021-12-31 $118,288,959 696,637
2021-09-30 $147,194,279 985,632
2021-06-30 $112,141,455 918,891
2021-03-31 $122,145,960 899,985
2020-12-31 $143,177,364 1,236,633
2020-09-30 $104,537,737 1,094,636
2020-06-30 $27,731,955 350,505
2020-03-31 $1,536,761 21,761