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D. E. Shaw & Co., Inc.

Position in TTEK — Tetra Tech Inc

CIK 1009207 New York, NY

Position in TTEK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$239,382
-$23,935,881 QoQ
Shares Held
8,286
-98.9% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#378
of 543 holders
Holding Since
Mar 2020
22 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 Mar 31, 2022
CallValue
$1,649,400
CallShares
50,000
PutValue
$0
PutShares
0

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

D. E. Shaw & Co., Inc. holds $881,815,565 across 30 Engineering & Construction names. TTEK ranks #29 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in TTEK

Export CSV
23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $239,382 8,286
2025-12-31 $24,175,263 720,789
2025-09-30 $2,561,080 76,725
2025-06-30 $1,056,325 29,375
2025-03-31 $19,500,741 666,692
2024-06-30 $4,639,651 22,690
2024-03-31 $7,452,863 40,349
2023-12-31 $3,290,023 19,709
2023-06-30 $556,716 3,400
2023-03-31 $620,988 4,227
2022-12-31 $1,043,190 7,185
2022-09-30 $2,463,148 19,164
2022-06-30 $2,610,562 19,118
2022-03-31 $1,649,400 10,000
2021-12-31 $1,698,000 10,000
2021-12-31 $452,856 2,667
2021-09-30 $1,358,545 9,097
2021-06-30 $11,887,306 97,405
2021-03-31 $4,862,576 35,828
2020-12-31 $4,615,453 39,864
2020-09-30 $2,163,457 22,654
2020-06-30 $2,325,968 29,398
2020-03-31 $2,544,296 36,028