Tetra Tech Inc.
TTEK | NASDAQ
$35.96
+$0.27 (+0.77%)
At close: Sep 21, 2026, 4:00 PM ET
$35.97
+$0.01 (+0.03%)
After-hours:
Sep 21, 2026, 7:30 PM ET
Employees
25,000
Change (1Y)
-5,000
Growth (1Y)
-16.67%
Revenue / Employee
$202,779
Profits / Employee
$17,447
Market Cap
$9.33B
Employees History
| Date | Employees | Change | % Change |
|---|---|---|---|
| Sep 28, 2025 | 25,000 | -5,000 | -16.67% |
| Sep 29, 2024 | 30,000 | 3,000 | +11.11% |
| Oct 1, 2023 | 27,000 | 6,000 | +28.57% |
| Oct 2, 2022 | 21,000 | 0 | 0.00% |
| Oct 3, 2021 | 21,000 | 1,000 | +5.00% |
| Sep 27, 2020 | 20,000 | 0 | 0.00% |
| Sep 29, 2019 | 20,000 | 3,000 | +17.65% |
| Sep 30, 2018 | 17,000 | 1,000 | +6.25% |
| Oct 1, 2017 | 16,000 | 0 | 0.00% |
| Oct 2, 2016 | 16,000 | 3,000 | +23.08% |
| Sep 27, 2015 | 13,000 | -1,000 | -7.14% |
| Sep 28, 2014 | 14,000 | 0 | 0.00% |
| Sep 29, 2013 | 14,000 | 1,000 | +7.69% |
| Sep 30, 2012 | 13,000 | 0 | 0.00% |
| Oct 2, 2011 | 13,000 | 1,000 | +8.33% |
| Oct 3, 2010 | 12,000 | n/a | n/a |
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