Tetra Tech Inc (TTEK) stock

TTEKNasdaqServices-Engineering ServicesFiscal year ends September 27

Financials through Q3 FY2026, quarter ended Jun 28, 2026Last filing: 10-Q on Jul 31, 2026Score 15/305% below fair value

$38.83−0.60 (-1.52%)

Close on Nov 13, 2026Market cap $9.94BP/E 23.4Yield 0.63%

Tetra Tech statistics

103 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings: Jan 27, 2027 (estimated, during market hours)
Last ex-dividend date: Dec 2, 2026
Fundamentals through: Jun 28, 2026
Share price as of: Nov 13, 2026

Valuation ratiosIndustry

Market Cap: $9.94B; $316.59M
Enterprise Value: $10.51B; $335.31M
PE Ratio: 23.39; 27.46
PS Ratio: 1.96; 1.56
PB Ratio: 5.37; 2.66
P/FCF Ratio: 18.17; 19.11
P/OCF Ratio: 17.52; 15.75

Enterprise valuationIndustry

EV / Sales: 2.07; 1.58
EV / EBITDA: 15.70; 15.76
EV / EBIT: 17.19; 19.73
EV / FCF: 19.21; 22.45

Share statisticsIndustry

Shares Outstanding: 256M; 28M
Shares Change (YoY): -2.52%; 1.02%
Shares Change (QoQ): -1.34%; 0.00%
Float: 242M; 27M
Shares Held by Insiders: 5.58%; 4.27%
Shares Held by Institutions: 98.9%; 67.7%

Short sellingIndustry

Short Interest: 14M; –
Short Interest Change: 6.43%; -4.60%
Short % of Float: 5.62%; 5.23%
Short % of Shares Outstanding: 5.31%; 3.31%
Days to Cover: 6.87; 4.22

Stock price statisticsIndustry

52-Week High: $43.14; –
52-Week Low: $25.81; –
20-Day Moving Average: $38.22; –
50-Day Moving Average: $36.06; –
200-Day Moving Average: $33.21; –
Average True Range (14): $1.45; –
Price Change (1 Week): -3.62%; 1.02%
Price Change (1 Month): 11.6%; -2.18%
Price Change (3 Months): 8.40%; -6.06%
Price Change (6 Months): 48.3%; 0.51%
Price Change (YTD): 15.8%; -1.13%
Price Change (1 Year): 19.7%; -4.03%
Price Change (3 Years): 20.6%; -18.4%
Price Change (5 Years): 8.04%; -37.5%
Price Change (10 Years): 374.7%; 86.3%
Average Volume (10 Days): 4M; –
Average Volume (20 Days): 3M; –
Average Volume (90 Days): 3M; –
Relative Volume: 1.22; 0.69
Relative Strength Index (14): 55.3; 45.8
Volatility (1 Year): 38.3%; 62.9%
Beta (5 Years): 0.84; 0.83

MarginsIndustry

Gross Margin: 18.8%; 41.3%
Operating Margin: 12.1%; 1.24%
Pretax Margin: 11.7%; 2.70%
EBITDA Margin: 13.2%; 3.79%
FCF Margin: 10.8%; 5.92%

Returns on capitalIndustry

Return on Invested Capital (ROIC): 18.8%; 5.25%
Return on Capital Employed (ROCE): 20.0%; 3.71%

Financial positionIndustry

Current Ratio: 1.18; 1.36
Quick Ratio: 0.98; 0.75
Debt / Equity: 0.43; 0.45
Debt / EBITDA: 1.20; 2.28
Debt / FCF: 1.46; 4.31
Net Debt / EBITDA: 0.85; 1.90
Interest Coverage: 15.38; -0.21

GrowthIndustry

Revenue Growth (YoY): -7.61%; 5.34%
EPS Growth (YoY): 107.5%; 10.6%
FCF Growth (YoY): 23.5%; -6.06%
Revenue Growth (3Y CAGR): 15.8%; 5.14%
Revenue Growth (5Y CAGR): 12.7%; 7.65%
EPS Growth (3Y CAGR): -1.39%; 4.38%
EPS Growth (5Y CAGR): 8.03%; 9.57%

EfficiencyIndustry

Asset Turnover: 1.16; 0.82
Revenue Per Employee: $202.78K; $215.67K
Employee Count: 25,000; 99
WACC: 8.89%; 8.43%

Income statement (TTM)Industry

Revenue: $5.07B; $23.08M
Gross Profit: $951.81M; $19.35M
Operating Income: $611.75M; -$48.83K
Pretax Income: $594.18M; -$31.25K
EBITDA: $669.49M; -$25.17K
EPS (Diluted): $1.66; $0.00

Balance sheetIndustry

Cash & Short-Term Investments: $230.84M; $5.19M
Total Debt: $801.06M; $138.33M
Net Cash (Debt): -$570.22M; $15.49K
Net Cash Per Share: -$2.23; $0.00
Equity (Book Value): $1.85B; $10.55M
Book Value Per Share: $7.23; $0.73
Tangible Book Value: -$487.84M; $13.82K
Working Capital: $245.96M; $4.37M

Cash flow (TTM)Industry

Operating Cash Flow: $567.40M; $41.37K
Capital Expenditures: -$20.07M; -$6.55M
Free Cash Flow: $547.33M; $6.94M
FCF Per Share: $2.14; $0.47

Dividends and yieldsIndustry

FCF Yield: 5.51%; 2.69%
Dividend Yield: 0.63%; 1.56%
Buyback Yield: 2.53%; 2.36%
Shareholder Yield: 3.17%; 2.63%
Dividend Per Share: $0.25; $0.52
Dividend Growth (YoY): 11.8%; 7.42%
Years of Dividend Growth: 11; 1
FCF Payout Ratio: 12.7%; 35.6%

Taxes and interestIndustry

Interest Expense: $39.77M; $476.57K
Income Tax: $157.48M; $1.16M
Effective Tax Rate: 26.5%; 24.1%

Scores and fair valueIndustry

Graham Number: $16.44; $19.24
Graham Upside: -57.7%; -53.8%
Altman Z-Score: 4.66; 2.96
Lynch Fair Value: $13.33; –
Lynch Upside: -65.7%; -26.5%

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.

Period	TTEK	S&P 500	Difference	TTEK per year	S&P 500 per year
1 month	+15.8%	-3.0%	+18.8 pts
3 months	+6.6%	-2.8%	+9.4 pts
Year to date	+16.5%	+11.5%	+5.0 pts
1 year	+4.6%	+13.5%	−8.8 pts
3 years	+28.6%	+77.7%	−49.1 pts	+8.7%	+21.1%
5 years	+11.7%	+72.6%	−60.9 pts	+2.2%	+11.5%
10 years	+425.9%	+308.2%	+117.8 pts	+18.1%	+15.1%

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

14M TTEK shares were sold short on Oct 30, 2026, up 6.4% from the previous report, or 5.62% of the shares available to trade. At recent volumes it would take 6.9 days to buy them back. Over the last 20 sessions, 56.9% of the volume reported to FINRA was short selling.

Settlement date	Shares short	Change	Avg. daily volume	Days to cover
Oct 30, 2026	13,592,354	+6.4%	1,979,459	6.9
Oct 15, 2026	12,771,229	+7.5%	1,878,023	6.8
Sep 30, 2026	11,876,810	+7.1%	2,340,340	5.1
Sep 15, 2026	11,089,741	+3.9%	1,817,400	6.1
Aug 31, 2026	10,673,607	-0.5%	2,682,900	4.0
Aug 14, 2026	10,724,961	-9.3%	2,460,774	4.4
Jul 31, 2026	11,827,081	-2.7%	3,185,134	3.7
Jul 15, 2026	12,159,832	-0.2%	2,617,893	4.6
Jun 30, 2026	12,183,922	+11.8%	4,324,165	2.8
Jun 15, 2026	10,902,026	-16.7%	3,746,181	2.9
May 29, 2026	13,090,177	-1.7%	3,344,233	3.9
May 15, 2026	13,322,302	+4.0%	4,028,620	3.3