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CITADEL ADVISORS LLC

Position in TTEK — Tetra Tech Inc

CIK 1423053 MIAMI, FL

Position in TTEK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$37,196,856
-$15,239,382 QoQ
Shares Held
1,287,534
-26.0% QoQ
Ownership
0.503%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#45
of 548 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in TTEK Over Time

Shares Held

Position Value (USD)

Derivatives in TTEK

reported options exposure · as of Jun 30, 2026
CallValue
$375,570
CallShares
13,000
PutValue
$938,925
PutShares
32,500

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Engineering & Construction

Industrials · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $1,093,557,643 across 37 Engineering & Construction names. TTEK ranks #7 (3.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 TTEK
Tetra Tech Inc
This page
1,287,534 $37,196,856

All Filings in TTEK

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $37,196,856 1,287,534
2026-06-30 $938,925 32,500
2026-06-30 $375,570 13,000
2026-03-31 $52,436,238 1,740,911
2026-03-31 $915,648 30,400
2026-03-31 $521,076 17,300
2025-12-31 $1,696,889 50,593
2025-12-31 $694,278 20,700
2025-12-31 $486,330 14,500
2025-09-30 $2,660,386 79,700
2025-09-30 $33,358,937 999,369
2025-09-30 $1,251,750 37,500
2025-06-30 $3,369,452 93,700
2025-06-30 $5,048,784 140,400
2025-06-30 $103,333,217 2,873,560
2025-03-31 $6,461,325 220,900
2025-03-31 $2,629,575 89,900
2025-03-31 $64,447,080 2,203,319
2024-12-31 $2,095,584 52,600
2024-12-31 $25,807,794 647,786
2024-12-31 $756,960 19,000
2024-09-30 $21,950,479 465,447
2024-09-30 $5,616,756 119,100
2024-09-30 $495,180 10,500
2024-06-30 $7,729,344 37,800
2024-06-30 $33,644,525 164,537
2024-06-30 $163,584 800
2024-03-31 $33,721,396 182,564
2024-03-31 $738,840 4,000
2024-03-31 $3,509,490 19,000
2023-12-31 $10,349,660 62,000
2023-12-31 $1,418,905 8,500
2023-12-31 $47,093,623 282,116
2023-09-30 $11,882,512 78,159
2023-09-30 $836,165 5,500
2023-09-30 $3,177,427 20,900
2023-06-30 $1,375,416 8,400
2023-06-30 $474,846 2,900
2023-06-30 $932,171 5,693
2023-03-31 $1,718,847 11,700
2023-03-31 $1,834,171 12,485
2023-03-31 $352,584 2,400
2022-12-31 $958,254 6,600
2022-12-31 $18,467,151 127,193
2022-12-31 $188,747 1,300
2022-09-30 $1,863,685 14,500
2022-09-30 $18,900,978 147,055
2022-06-30 $491,580 3,600
2022-06-30 $1,693,220 12,400
2022-06-30 $11,241,342 82,324