vs

Side-by-side financial comparison of Lumentum Holdings Inc. (LITE) and TETRA TECH INC (TTEK). Click either name above to swap in a different company.

TETRA TECH INC is the larger business by last-quarter revenue ($1.2B vs $665.5M, roughly 1.8× Lumentum Holdings Inc.). Lumentum Holdings Inc. runs the higher net margin — 11.8% vs 7.7%, a 4.1% gap on every dollar of revenue. On growth, Lumentum Holdings Inc. posted the faster year-over-year revenue change (65.5% vs -7.7%). Over the past eight quarters, Lumentum Holdings Inc.'s revenue compounded faster (34.8% CAGR vs -5.8%).

JDS Uniphase Corporation (JDSU) was an American company that designed and manufactured products for optical communications networks, communications test and measurement equipment, lasers, optical solutions for authentication and decorative applications, and other custom optics. It was headquartered in Milpitas, California. In August 2015, JDSU split into two different companies – Viavi Solutions and Lumentum Holdings.

Tetra Tech, Inc. is an American consulting and engineering services firm based in Pasadena, California. The company provides consulting, engineering, program management, and construction management services in the areas of water, environment, infrastructure, resource management, energy, and international development.

LITE vs TTEK — Head-to-Head

Bigger by revenue
TTEK
TTEK
1.8× larger
TTEK
$1.2B
$665.5M
LITE
Growing faster (revenue YoY)
LITE
LITE
+73.2% gap
LITE
65.5%
-7.7%
TTEK
Higher net margin
LITE
LITE
4.1% more per $
LITE
11.8%
7.7%
TTEK
Faster 2-yr revenue CAGR
LITE
LITE
Annualised
LITE
34.8%
-5.8%
TTEK

Income Statement — Q2 FY2026 vs Q2 FY2026

Metric
LITE
LITE
TTEK
TTEK
Revenue
$665.5M
$1.2B
Net Profit
$78.2M
$93.8M
Gross Margin
36.1%
17.5%
Operating Margin
9.7%
10.8%
Net Margin
11.8%
7.7%
Revenue YoY
65.5%
-7.7%
Net Profit YoY
228.4%
-52.9%
EPS (diluted)
$0.89
$0.36

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
LITE
LITE
TTEK
TTEK
Q2 26
$1.2B
Q4 25
$665.5M
$1.2B
Q3 25
$533.8M
$1.3B
Q2 25
$480.7M
$1.4B
Q1 25
$425.2M
$1.3B
Q4 24
$402.2M
$1.4B
Q3 24
$336.9M
$1.4B
Q2 24
$308.3M
Net Profit
LITE
LITE
TTEK
TTEK
Q2 26
$93.8M
Q4 25
$78.2M
$105.2M
Q3 25
$4.2M
$127.9M
Q2 25
$213.3M
$113.8M
Q1 25
$-44.1M
$5.4M
Q4 24
$-60.9M
$778.0K
Q3 24
$-82.4M
$96.2M
Q2 24
$-252.5M
Gross Margin
LITE
LITE
TTEK
TTEK
Q2 26
17.5%
Q4 25
36.1%
18.2%
Q3 25
34.0%
20.6%
Q2 25
33.3%
18.4%
Q1 25
28.8%
16.2%
Q4 24
24.8%
15.6%
Q3 24
23.1%
17.8%
Q2 24
16.6%
Operating Margin
LITE
LITE
TTEK
TTEK
Q2 26
10.8%
Q4 25
9.7%
11.6%
Q3 25
1.3%
13.6%
Q2 25
-1.7%
12.0%
Q1 25
-8.9%
3.0%
Q4 24
-12.8%
1.6%
Q3 24
-24.5%
10.4%
Q2 24
-43.3%
Net Margin
LITE
LITE
TTEK
TTEK
Q2 26
7.7%
Q4 25
11.8%
8.7%
Q3 25
0.8%
9.6%
Q2 25
44.4%
8.3%
Q1 25
-10.4%
0.4%
Q4 24
-15.1%
0.1%
Q3 24
-24.5%
7.0%
Q2 24
-81.9%
EPS (diluted)
LITE
LITE
TTEK
TTEK
Q2 26
$0.36
Q4 25
$0.89
$0.40
Q3 25
$0.05
$0.48
Q2 25
$3.10
$0.43
Q1 25
$-0.64
$0.02
Q4 24
$-0.88
$0.00
Q3 24
$-1.21
$-3.18
Q2 24
$-3.75

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
LITE
LITE
TTEK
TTEK
Cash + ST InvestmentsLiquidity on hand
$1.2B
$223.6M
Total DebtLower is stronger
$880.2M
Stockholders' EquityBook value
$846.6M
$1.9B
Total Assets
$4.8B
$4.4B
Debt / EquityLower = less leverage
0.47×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
LITE
LITE
TTEK
TTEK
Q2 26
$223.6M
Q4 25
$1.2B
$269.4M
Q3 25
$1.1B
$167.5M
Q2 25
$877.1M
$242.8M
Q1 25
$866.7M
$179.4M
Q4 24
$896.7M
$248.1M
Q3 24
$916.1M
$232.7M
Q2 24
$887.0M
Total Debt
LITE
LITE
TTEK
TTEK
Q2 26
$880.2M
Q4 25
$837.1M
Q3 25
$766.4M
Q2 25
Q1 25
$1.0B
Q4 24
$888.5M
Q3 24
$812.6M
Q2 24
Stockholders' Equity
LITE
LITE
TTEK
TTEK
Q2 26
$1.9B
Q4 25
$846.6M
$1.8B
Q3 25
$780.8M
$1.8B
Q2 25
$1.1B
$1.7B
Q1 25
$879.5M
$1.6B
Q4 24
$872.3M
$1.7B
Q3 24
$895.9M
$1.8B
Q2 24
$957.3M
Total Assets
LITE
LITE
TTEK
TTEK
Q2 26
$4.4B
Q4 25
$4.8B
$4.3B
Q3 25
$4.6B
$4.3B
Q2 25
$4.2B
$4.4B
Q1 25
$4.0B
$4.2B
Q4 24
$4.0B
$4.2B
Q3 24
$4.0B
$4.2B
Q2 24
$3.9B
Debt / Equity
LITE
LITE
TTEK
TTEK
Q2 26
0.47×
Q4 25
0.45×
Q3 25
0.43×
Q2 25
Q1 25
0.64×
Q4 24
0.53×
Q3 24
0.44×
Q2 24

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
LITE
LITE
TTEK
TTEK
Operating Cash FlowLast quarter
$126.7M
$237.6M
Free Cash FlowOCF − Capex
$43.1M
FCF MarginFCF / Revenue
6.5%
Capex IntensityCapex / Revenue
12.6%
Cash ConversionOCF / Net Profit
1.62×
2.53×
TTM Free Cash FlowTrailing 4 quarters
$-29.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
LITE
LITE
TTEK
TTEK
Q2 26
$237.6M
Q4 25
$126.7M
$72.3M
Q3 25
$57.9M
$100.8M
Q2 25
$64.0M
$349.6M
Q1 25
$-1.6M
$-5.8M
Q4 24
$24.3M
$13.1M
Q3 24
$39.6M
$105.6M
Q2 24
$35.5M
Free Cash Flow
LITE
LITE
TTEK
TTEK
Q2 26
Q4 25
$43.1M
$68.1M
Q3 25
$-18.3M
$95.6M
Q2 25
$10.1M
$345.6M
Q1 25
$-64.4M
$-11.8M
Q4 24
$-15.9M
$9.6M
Q3 24
$-34.5M
$98.8M
Q2 24
$10.9M
FCF Margin
LITE
LITE
TTEK
TTEK
Q2 26
Q4 25
6.5%
5.6%
Q3 25
-3.4%
7.2%
Q2 25
2.1%
25.2%
Q1 25
-15.1%
-0.9%
Q4 24
-4.0%
0.7%
Q3 24
-10.2%
7.2%
Q2 24
3.5%
Capex Intensity
LITE
LITE
TTEK
TTEK
Q2 26
Q4 25
12.6%
0.3%
Q3 25
14.3%
0.4%
Q2 25
11.2%
0.3%
Q1 25
14.8%
0.4%
Q4 24
10.0%
0.2%
Q3 24
22.0%
0.5%
Q2 24
8.0%
Cash Conversion
LITE
LITE
TTEK
TTEK
Q2 26
2.53×
Q4 25
1.62×
0.69×
Q3 25
13.79×
0.79×
Q2 25
0.30×
3.07×
Q1 25
-1.08×
Q4 24
16.79×
Q3 24
1.10×
Q2 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

LITE
LITE

Components$443.7M67%
Systems$221.8M33%

TTEK
TTEK

Segment breakdown not available.

Related Comparisons