Tetra Tech Inc (TTEK) Market Capitalization (2009 - 2026)
Tetra Tech (TTEK) reported Market Capitalization of $7.49 billion for fiscal Q3 2026 (quarter ended Jun 28, 2026), down 20.0% from $9.36 billion a year earlier and down 3.1% from the prior quarter.
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Analysis
Tetra Tech Inc (TTEK) Market Capitalization (2009 - 2026) Analysis & Trends
For FY2025 (ended Sep 28, 2025), Tetra Tech posted Market Capitalization of $8.71 billion, down 29.9% from FY2024.
- Market Capitalization has a five-year compound annual growth rate of 12.2% (FY2020 to FY2025).
- By fiscal year, Market Capitalization came in at $12.42 billion in FY2024 (+53.4%), $8.1 billion in FY2023 (+18.9%), $6.81 billion in FY2022 (-16.9%) and $8.2 billion in FY2021 (+67.0%).
- The fiscal Q3 2026 figure ranks as the lowest quarterly Market Capitalization since fiscal Q4 2022.
- Year over year, Market Capitalization gained in three of the last eight quarters, with an average decline of 3.7%.
- The high point for year-over-year Market Capitalization in five years was fiscal Q4 2021 (growth of 67.0%); the low point was fiscal Q4 2025 (a decline of 29.9%).
- Per Business Quant data, the three fiscal quarters before Q3 2026 came in at $7.73 billion (Q2 2026), $8.88 billion (Q1 2026) and $8.71 billion (Q4 2025).
Peer Set
Peer Comparison
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 28, 2026 | 7.49 Bn |
| Mar 29, 2026 | 7.73 Bn |
| Dec 28, 2025 | 8.88 Bn |
| Sep 28, 2025 | 8.71 Bn |
| Jun 29, 2025 | 9.36 Bn |
| Mar 30, 2025 | 7.68 Bn |
| Dec 29, 2024 | 10.68 Bn |
| Sep 29, 2024 | 12.42 Bn |
| Jun 30, 2024 | 10.95 Bn |
| Mar 31, 2024 | 9.88 Bn |
| Dec 31, 2023 | 8.93 Bn |
| Oct 1, 2023 | 8.10 Bn |
| Jul 2, 2023 | 8.72 Bn |
| Apr 2, 2023 | 7.82 Bn |
| Jan 1, 2023 | 7.73 Bn |
| Oct 2, 2022 | 6.81 Bn |
| Jul 3, 2022 | 7.40 Bn |
| Apr 3, 2022 | 8.98 Bn |
| Jan 2, 2022 | 9.17 Bn |
| Oct 3, 2021 | 8.20 Bn |
API Access
Tetra Tech Inc Market Capitalization API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=market-capitalization&ticker=TTEK&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "market-capitalization", "ticker": "TTEK", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=market-capitalization&ticker=TTEK&period=max&api_key=YOUR_API_KEY");
const data = await res.json();