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SIMPLEX TRADING, LLC

Position in TTEK — Tetra Tech Inc

CIK 1488542 CHICAGO, IL

Position in TTEK

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$303,037
-$324,404 QoQ
Shares Held
10,061
-53.1% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
12 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in TTEK Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $10,544,407 across 17 Engineering & Construction names.

# Ticker Company Shares Value (USD) Open

All Filings in TTEK

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12 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $303,037 10,061
2025-03-31 $627,441 21,451
2024-09-30 $198,496 4,209
2023-06-30 $179,131 1,094
2023-03-31 $4 31
2022-12-31 $2 20
2021-12-31 $70,806 417
2021-09-30 $1,941 13
2021-06-30 $1,586 13
2021-03-31 $2,714 20
2020-06-30 $49,687 628
2020-03-31 $12,711 180