TTEKNasdaqServices-Engineering ServicesFiscal year ends September 27
TETRA TECH INC
Financials through Q3 FY2026, quarter ended Jun 28, 2026Last filing: 10-Q on Jul 31, 2026
$34.63−0.09 (-0.26%)
Close on Oct 19, 2026
- Market cap
- $9.00B
- P/E (TTM)
- 20.9
- Dividend yield
- 0.71%
TETRA TECH INC revenue by segment
By business segment
| Revenue | Q3 26 | Q2 26 | Q1 26 | Q4 25 | Q3 25 | Q2 25 | Q1 25 | Q4 24 | Q3 24 | Q2 24 | Q1 24 | Q4 23 | % of revenue | YoY |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CIG | $728.28M | $676.12M | $704.18M | $885.57M | $676.49M | $637.69M | $644.90M | $722.85M | $723.62M | $671.16M | $669.11M | $683.35M | 55.7% | +7.7% |
| GSG | $598.40M | $559.35M | $525.51M | $474.27M | $709.41M | $698.87M | $791.35M | $670.63M | $640.55M | $597.13M | $575.04M | $593.52M | 45.7% | -15.6% |
| Operating income | Q3 26 | Q2 26 | Q1 26 | Q4 25 | Q3 25 | Q2 25 | Q1 25 | Q4 24 | Q3 24 | Q2 24 | Q1 24 | Q4 23 | YoY |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CIG | $95.55M | $72.05M | $78.92M | $131.62M | $87.11M | $69.10M | $69.04M | $94.69M | $86.47M | $75.96M | $71.40M | $71.55M | +9.7% |
| GSG | $82.84M | $74.85M | $71.42M | $69.14M | $99.72M | $79.78M | $91.92M | $82.37M | $71.52M | $64.01M | $63.13M | $64.71M | -16.9% |
By product or service
By region
From the segment and revenue-disaggregation notes of Tetra Tech's 10-K and 10-Q filings (XBRL). Fourth-quarter figures are the fiscal year less the first nine months. Segment names follow the company's own labels and can change when it reorganizes.