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 15/308% below fair value

$38.65+0.56 (+1.47%)

Close on Oct 30, 2026Market cap $9.90BP/E 23.3Yield 0.64%

Earnings

Tetra Tech's quarterly results as reported in its earnings releases, with the company's own outlook. Hover a number to see the sentence it came from.

Next report

Nov 11, 2026

Q4 FY2026 · estimated, during market hours

Revenue, Q3 FY2026

$1.31B

-4.4% on a year earlier

Adjusted EPS, Q3 FY2026

$0.42

$0.43 a year earlier

Latest guidance

Raised

Jul 29, 2026 · 4 items

Quarterly results

Revenue and earnings per share from each of Tetra Tech's earnings releases, newest first

Quarter	Reported	Revenue	YoY	EPS	Adj. EPS	Source
Q4 FY2026ended Sep 28, 2026	Nov 11, 2026Expected	–	–	–	–	–
Q3 FY2026ended Jun 28, 2026	Jul 29, 2026during market hours	$1.31B	-4.4%	$0.42	–	Release
Q2 FY2026ended Mar 29, 2026	Apr 29, 2026during market hours	$1.22B	-7.7%	$0.36	$0.34	Release
Q1 FY2026ended Dec 28, 2025	Jan 28, 2026during market hours	$1.21B	-14.8%	$0.40	$0.35	Release
Q4 FY2025ended Sep 28, 2025	Nov 12, 2025during market hours	$1.33B	-2.9%	$0.48	$0.45	Release
Q3 FY2025ended Jun 29, 2025	Jul 30, 2025during market hours	$1.37B	+2.2%	$0.43	$0.43	Release
Q2 FY2025ended Mar 30, 2025	May 7, 2025during market hours	$1.32B	+5.8%	$0.02	$0.33	Release
Q1 FY2025ended Dec 29, 2024	Jan 30, 2025during market hours	$1.42B	+15.4%	$0.00	$0.35	Release
Q4 FY2024ended Sep 29, 2024	Nov 13, 2024during market hours	$1.37B	+8.7%	$0.35	$0.38	Release
Q3 FY2024ended Jun 30, 2024	Jul 31, 2024during market hours	$1.34B	–	$1.59	–	Release
Q2 FY2024ended Mar 31, 2024	May 1, 2024during market hours	$1.25B	+7.8%	$1.42	–	Release
Q1 FY2024ended Dec 31, 2023	Jan 31, 2024during market hours	$1.23B	+37.4%	$1.40	–	Release
Q4 FY2023ended Oct 1, 2023	Nov 15, 2023during market hours	$1.26B	+39.5%	$1.00	$1.78	Release
Q3 FY2023ended Jul 2, 2023	Aug 9, 2023during market hours	–	–	–	–	Release
Q2 FY2023ended Apr 2, 2023	May 10, 2023during market hours	$1.16B	–	$0.80	$1.17	Release
Q1 FY2023ended Jan 1, 2023	Feb 1, 2023during market hours	$895.00M	+4.2%	$2.18	$1.34	Release
Q4 FY2022ended Oct 2, 2022	Nov 9, 2022during market hours	$903.00M	+1.2%	$1.55	$1.26	Release
Q3 FY2022ended Jul 3, 2022	Aug 3, 2022during market hours	$890.00M	–	$1.09	$1.08	Release
Q2 FY2022ended Apr 3, 2022	May 4, 2022during market hours	–	–	–	–	Release
Q1 FY2022ended Jan 2, 2022	Feb 2, 2022during market hours	$859.00M	–	$1.25	$1.19	Release
Q4 FY2021ended Oct 3, 2021	Nov 17, 2021during market hours	$892.00M	–	$1.52	$1.05	Release
Q3 FY2021ended Jun 27, 2021	Jul 28, 2021during market hours	–	–	–	–	Release
Q2 FY2021ended Mar 28, 2021	Apr 28, 2021during market hours	–	–	–	–	Release
Q1 FY2021ended Dec 27, 2020	Jan 27, 2021during market hours	–	–	–	–	Release
Q4 FY2020ended Sep 27, 2020	Nov 12, 2020before the open	–	–	–	–	Release
Q3 FY2020ended Jun 28, 2020	Jul 29, 2020during market hours	–	–	–	–	Release

Figures as first announced; later restatements appear under Financials. Expected dates are estimated from the company's past reporting pattern.

Current guidance

Tetra Tech's latest outlook for periods it has not reported yet, compared with what it said before

Metric	Period	Guidance	Before	Change	Given
net revenuenon-GAAP	Q4 FY2026	$1.12B – $1.17B	–	New	Jul 29, 2026
EPSGAAP	Q4 FY2026	$0.45 – $0.48	–	New	Jul 29, 2026
net revenuenon-GAAP	FY2026	$4.32B – $4.37B	$4.25B – $4.40B	Narrowed	Jul 29, 2026
EPS guidance	FY2026	$1.40 – $1.55	–	New	Nov 12, 2025
adjusted EPSnon-GAAP	FY2026	$1.56 – $1.59	$1.50 – $1.58	Raised	Jul 29, 2026

Guidance vs results

The last range Tetra Tech gave before each report, against the figure it then reported. Full years add up the four quarters.

Period	Metric	Guidance	Actual	Result
Q3 FY2026	EPS (GAAP)	$0.38 – $0.41	$0.42	Above range
Q3 FY2026	Revenue	$1.05B – $1.10B	$1.31B	Above range
Q2 FY2026	EPS (GAAP)	$0.30 – $0.33	$0.36	Above range
Q1 FY2026	EPS (GAAP)	$0.30 – $0.33	$0.40	Above range
FY2025	adjusted EPS	$1.49 – $1.54	$1.56Σ4Q	Above range
FY2025	Revenue	$4.45B – $4.55B	$5.44BΣ4Q	Above range
Q4 FY2025	EPS (GAAP)	$0.38 – $0.43	$0.48	Above range
Q4 FY2025	Revenue	$1.00B – $1.10B	$1.33B	Above range
Q3 FY2025	EPS (GAAP)	$0.35 – $0.40	$0.43	Above range
Q3 FY2025	Revenue	$1.10B – $1.20B	$1.37B	Above range
Q2 FY2025	EPS (GAAP)	$0.30 – $0.33	$0.02	Below range
Q2 FY2025	Revenue	$1.00B – $1.10B	$1.32B	Above range
Q1 FY2025	EPS (GAAP)	$0.32 – $0.34	$0.00	Below range
Q1 FY2025	Revenue	$1.09B – $1.15B	$1.42B	Above range
Q4 FY2024	EPS (GAAP)	$1.82 – $1.87	$0.35	Below range
Q4 FY2024	Revenue	$1.09B – $1.14B	$1.37B	Above range
Q3 FY2024	EPS (GAAP)	$1.50 – $1.55	$1.59	Above range
Q3 FY2024	Revenue	$1.05B – $1.10B	$1.34B	Above range
Q2 FY2024	EPS (GAAP)	$1.25 – $1.35	$1.42	Above range
Q1 FY2024	EPS (GAAP)	$1.30 – $1.38	$1.40	Above range
Q2 FY2023	EPS (GAAP)	$1.03 – $1.08	$0.80	Below range
Q2 FY2023	Revenue	$685.00M – $735.00M	$1.16B	Above range
Q1 FY2023	EPS (GAAP)	$1.15 – $1.20	$2.18	Above range
Q1 FY2023	Revenue	$675.00M – $725.00M	$895.00M	Above range
Q4 FY2022	EPS (GAAP)	$1.13 – $1.18	$1.55	Above range
Q4 FY2022	Revenue	$676.00M – $726.00M	$903.00M	Above range
Q1 FY2022	EPS (GAAP)	$0.98 – $1.03	$1.25	Above range
Q1 FY2022	Revenue	$630.00M – $680.00M	$859.00M	Above range

Guidance history

Every forecast Tetra Tech put in an earnings release, newest first

Given	Metric	Period	Guidance	Change
Jul 29, 2026	adjusted EPS	FY2026	$1.56 – $1.59	Raised
Jul 29, 2026	EPS	Q4 FY2026	$0.45 – $0.48	New
Jul 29, 2026	net revenue	FY2026	$4.32B – $4.37B	Narrowed
Jul 29, 2026	net revenue	Q4 FY2026	$1.12B – $1.17B	New
Apr 29, 2026	adjusted EPS	FY2026	$1.50 – $1.58	Raised
Apr 29, 2026	EPS	Q3 FY2026	$0.38 – $0.41	New
Apr 29, 2026	net revenue	FY2026	$4.25B – $4.40B	Raised
Apr 29, 2026	net revenue	Q3 FY2026	$1.05B – $1.10B	New
Jan 28, 2026	adjusted EPS	FY2026	$1.46 – $1.56	New
Jan 28, 2026	EPS	Q2 FY2026	$0.30 – $0.33	New
Jan 28, 2026	net revenue	FY2026	$4.15B – $4.30B	Raised
Nov 12, 2025	EPS guidance	FY2026	$1.40 – $1.55	New
Nov 12, 2025	EPS	Q1 FY2026	$0.30 – $0.33	New
Nov 12, 2025	net revenue	FY2026	$4.05B – $4.25B	New
Jul 30, 2025	adjusted EPS	FY2025	$1.49 – $1.54	New
Jul 30, 2025	EPS	Q4 FY2025	$0.38 – $0.43	New
Jul 30, 2025	net revenue	FY2025	$4.45B – $4.55B	New
Jul 30, 2025	net revenue	Q4 FY2025	$1.00B – $1.10B	New
May 7, 2025	adjusted EPS	FY2025	$1.42 – $1.52	Raised
May 7, 2025	EPS	Q3 FY2025	$0.35 – $0.40	New
May 7, 2025	net revenue	Q3 FY2025	$1.10B – $1.20B	New
May 7, 2025	net revenue	FY2025	$4.40B – $4.77B	Raised
Jan 29, 2025	adjusted EPS	FY2025	$1.37 – $1.52	New
Jan 29, 2025	EPS	Q2 FY2025	$0.30 – $0.33	New
Jan 29, 2025	net revenue	Q2 FY2025	$1.00B – $1.10B	New
Jan 29, 2025	net revenue	FY2025	$4.37B – $4.77B	Lowered
Nov 13, 2024	EPS	Q1 FY2025	$0.32 – $0.34	New
Nov 13, 2024	EPS	FY2025	$1.40 – $1.50	New
Nov 13, 2024	net revenue	Q1 FY2025	$1.09B – $1.15B	New
Nov 13, 2024	net revenue	FY2025	$4.57B – $4.77B	New
Jul 31, 2024	EPS	Q4 FY2024	$1.82 – $1.87	New
Jul 31, 2024	EPS	FY2024	$6.23 – $6.28	Raised
Jul 31, 2024	net revenue	Q4 FY2024	$1.09B – $1.14B	New
Jul 31, 2024	net revenue	FY2024	$4.27B – $4.32B	Raised
May 1, 2024	EPS	Q3 FY2024	$1.50 – $1.55	New
May 1, 2024	EPS	FY2024	$6.15 – $6.25	Raised
May 1, 2024	net revenue	Q3 FY2024	$1.05B – $1.10B	New
May 1, 2024	net revenue	FY2024	$4.21B – $4.31B	Raised
Jan 31, 2024	EBITDA	FY2024	$575.00M	New
Jan 31, 2024	EPS	Q2 FY2024	$1.25 – $1.35	New
Jan 31, 2024	EPS	FY2024	$5.90 – $6.20	New
Jan 31, 2024	IFRS EBITDA margin	FY2024	20%	New
Jan 31, 2024	increased EPS growth	FY2024	+20%	New
Jan 31, 2024	net revenue	FY2024	$4.15B – $4.30B	Raised
Nov 15, 2023	EPS	Q1 FY2024	$1.30 – $1.38	New
Nov 15, 2023	EPS	FY2024	$5.70 – $6.00	New
Nov 15, 2023	net revenue	FY2024	$4.05B – $4.25B	New
May 10, 2023	adjusted EPS	Q3 FY2023	$1.15 – $1.20	New
May 10, 2023	adjusted EPS	FY2023	$5.07 – $5.17	New
May 10, 2023	net revenue	Q3 FY2023	$750.00M – $800.00M	New
May 10, 2023	net revenue	FY2023	$3.10B – $3.20B	Raised
Feb 1, 2023	EPS	Q2 FY2023	$1.03 – $1.08	New
Feb 1, 2023	EPS	FY2023	$4.90 – $5.05	Raised
Feb 1, 2023	net revenue	Q2 FY2023	$685.00M – $735.00M	New
Feb 1, 2023	net revenue	FY2023	$3.00B – $3.15B	Raised
Nov 9, 2022	EPS	Q1 FY2023	$1.15 – $1.20	New
Nov 9, 2022	EPS	FY2023	$4.70 – $4.90	New
Nov 9, 2022	net revenue	Q1 FY2023	$675.00M – $725.00M	New
Nov 9, 2022	net revenue	FY2023	$2.90B – $3.10B	New
Aug 3, 2022	adjusted EPS	FY2022	$4.38 – $4.43	New
Aug 3, 2022	EPS	Q4 FY2022	$1.13 – $1.18	New
Aug 3, 2022	net revenue	Q4 FY2022	$676.00M – $726.00M	New
Aug 3, 2022	net revenue	FY2022	$2.78B – $2.83B	Raised
Feb 2, 2022	EPS	Q2 FY2022	$0.86 – $0.91	New
Feb 2, 2022	EPS	FY2022	$4.15 – $4.30	Raised
Feb 2, 2022	net revenue	Q2 FY2022	$620.00M – $670.00M	New
Feb 2, 2022	net revenue	FY2022	$2.65B – $2.80B	Raised
Nov 17, 2021	EPS	Q1 FY2022	$0.98 – $1.03	New
Nov 17, 2021	EPS	FY2022	$4.00 – $4.20	New
Nov 17, 2021	net revenue	Q1 FY2022	$630.00M – $680.00M	New
Nov 17, 2021	net revenue	FY2022	$2.60B – $2.80B	New

Read from the company's earnings releases; each figure links to its sentence on hover. “Raised” and “Lowered” compare with the previous range for the same metric and period.