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
Market Cap History History
Annual Market Cap Change Annual Change
| Date | Market Cap | Change | % Change |
|---|---|---|---|
| Sep 17, 2026 | $9.21B | $291.29M | +3.26% |
| Dec 25, 2025 | $8.92B | -$1.9B | -17.54% |
| Dec 26, 2024 | $10.82B | $1.93B | +21.72% |
| Dec 28, 2023 | $8.89B | $1.17B | +15.19% |
| Dec 29, 2022 | $7.72B | -$1.46B | -15.87% |
| Dec 30, 2021 | $9.17B | $2.93B | +46.88% |
| Dec 30, 2020 | $6.24B | $1.53B | +32.33% |
| Dec 26, 2019 | $4.72B | $1.88B | +66.38% |
| Dec 27, 2018 | $2.84B | $123.55M | +4.55% |
| Dec 28, 2017 | $2.71B | $239.79M | +9.70% |
| Dec 29, 2016 | $2.47B | $937.38M | +61.05% |
| Dec 30, 2015 | $1.54B | -$175.39M | -10.25% |
| Dec 25, 2014 | $1.71B | -$95.15M | -5.27% |
| Dec 26, 2013 | $1.81B | $142.3M | +8.55% |
| Dec 27, 2012 | $1.66B | $317.85M | +23.62% |
| Dec 29, 2011 | $1.35B | -$198.81M | -12.87% |
| Dec 30, 2010 | $1.54B | -$115.81M | -6.97% |
| Dec 30, 2009 | $1.66B | $322.43M | +24.10% |
| Dec 25, 2008 | $1.34B | $61.03M | +4.78% |
| Dec 27, 2007 | $1.28B | $232.47M | +22.25% |
| Dec 28, 2006 | $1.04B | n/a | n/a |
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