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Side-by-side financial comparison of TREX CO INC (TREX) and Zai Lab Ltd (ZLAB). Click either name above to swap in a different company.

TREX CO INC is the larger business by last-quarter revenue ($161.1M vs $127.1M, roughly 1.3× Zai Lab Ltd). On growth, Zai Lab Ltd posted the faster year-over-year revenue change (17.1% vs -3.9%). TREX CO INC produced more free cash flow last quarter ($22.1M vs $-26.7M). Over the past eight quarters, Zai Lab Ltd's revenue compounded faster (20.8% CAGR vs -34.3%).

Trex Company, Inc. is a manufacturer of wood-alternative composite decking, residential railing, and other outdoor items made from recycled materials. Its headquarters is in Winchester, Virginia.

Zai Lab Ltd is a global biopharmaceutical company focused on developing, manufacturing and commercializing innovative therapies for oncology, autoimmune disorders, infectious diseases and other unmet medical needs. It operates primarily in the Greater China region and partners with leading global biotech firms to expand access to life-saving treatments for underserved patient populations.

TREX vs ZLAB — Head-to-Head

Bigger by revenue
TREX
TREX
1.3× larger
TREX
$161.1M
$127.1M
ZLAB
Growing faster (revenue YoY)
ZLAB
ZLAB
+21.0% gap
ZLAB
17.1%
-3.9%
TREX
More free cash flow
TREX
TREX
$48.8M more FCF
TREX
$22.1M
$-26.7M
ZLAB
Faster 2-yr revenue CAGR
ZLAB
ZLAB
Annualised
ZLAB
20.8%
-34.3%
TREX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
TREX
TREX
ZLAB
ZLAB
Revenue
$161.1M
$127.1M
Net Profit
$2.3M
Gross Margin
30.2%
51.0%
Operating Margin
2.2%
-54.6%
Net Margin
1.4%
Revenue YoY
-3.9%
17.1%
Net Profit YoY
-76.4%
EPS (diluted)
$0.03
$-0.05

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
TREX
TREX
ZLAB
ZLAB
Q4 25
$161.1M
$127.1M
Q3 25
$285.3M
$115.4M
Q2 25
$387.8M
$109.1M
Q1 25
$340.0M
$105.7M
Q4 24
$167.6M
$108.5M
Q3 24
$233.7M
$101.8M
Q2 24
$376.5M
$100.1M
Q1 24
$373.6M
$87.1M
Net Profit
TREX
TREX
ZLAB
ZLAB
Q4 25
$2.3M
Q3 25
$51.8M
$-36.0M
Q2 25
$75.9M
$-40.7M
Q1 25
$60.4M
$-48.4M
Q4 24
$9.8M
Q3 24
$40.6M
$-41.7M
Q2 24
$87.0M
$-80.3M
Q1 24
$89.1M
$-53.5M
Gross Margin
TREX
TREX
ZLAB
ZLAB
Q4 25
30.2%
51.0%
Q3 25
40.5%
59.5%
Q2 25
40.8%
60.6%
Q1 25
40.5%
63.6%
Q4 24
32.7%
61.5%
Q3 24
39.9%
64.1%
Q2 24
44.7%
64.9%
Q1 24
45.4%
61.4%
Operating Margin
TREX
TREX
ZLAB
ZLAB
Q4 25
2.2%
-54.6%
Q3 25
24.7%
-42.3%
Q2 25
26.4%
-50.3%
Q1 25
24.0%
-53.3%
Q4 24
9.2%
-62.6%
Q3 24
23.2%
-66.6%
Q2 24
31.1%
-76.0%
Q1 24
31.9%
-80.7%
Net Margin
TREX
TREX
ZLAB
ZLAB
Q4 25
1.4%
Q3 25
18.1%
-31.2%
Q2 25
19.6%
-37.3%
Q1 25
17.8%
-45.8%
Q4 24
5.8%
Q3 24
17.4%
-40.9%
Q2 24
23.1%
-80.2%
Q1 24
23.8%
-61.4%
EPS (diluted)
TREX
TREX
ZLAB
ZLAB
Q4 25
$0.03
$-0.05
Q3 25
$0.48
$-0.03
Q2 25
$0.71
$-0.04
Q1 25
$0.56
$-0.04
Q4 24
$0.10
$-0.09
Q3 24
$0.37
$-0.04
Q2 24
$0.80
$-0.08
Q1 24
$0.82
$-0.05

Balance Sheet & Financial Strength

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

Metric
TREX
TREX
ZLAB
ZLAB
Cash + ST InvestmentsLiquidity on hand
$3.8M
$689.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.0B
$715.5M
Total Assets
$1.5B
$1.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
TREX
TREX
ZLAB
ZLAB
Q4 25
$3.8M
$689.6M
Q3 25
$11.4M
$717.2M
Q2 25
$5.5M
$732.2M
Q1 25
$5.0M
$757.3M
Q4 24
$1.3M
$779.7M
Q3 24
$12.8M
$616.1M
Q2 24
$1.2M
$630.0M
Q1 24
$3.1M
$650.8M
Stockholders' Equity
TREX
TREX
ZLAB
ZLAB
Q4 25
$1.0B
$715.5M
Q3 25
$1.0B
$759.9M
Q2 25
$989.3M
$791.7M
Q1 25
$910.1M
$810.8M
Q4 24
$850.1M
$840.9M
Q3 24
$887.9M
$667.7M
Q2 24
$894.9M
$704.2M
Q1 24
$804.1M
$762.2M
Total Assets
TREX
TREX
ZLAB
ZLAB
Q4 25
$1.5B
$1.2B
Q3 25
$1.5B
$1.2B
Q2 25
$1.5B
$1.2B
Q1 25
$1.6B
$1.2B
Q4 24
$1.3B
$1.2B
Q3 24
$1.3B
$985.3M
Q2 24
$1.3B
$987.4M
Q1 24
$1.3B
$988.4M

Cash Flow & Capital Efficiency

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

Metric
TREX
TREX
ZLAB
ZLAB
Operating Cash FlowLast quarter
$65.5M
$-26.0M
Free Cash FlowOCF − Capex
$22.1M
$-26.7M
FCF MarginFCF / Revenue
13.7%
-21.0%
Capex IntensityCapex / Revenue
26.9%
0.5%
Cash ConversionOCF / Net Profit
28.45×
TTM Free Cash FlowTrailing 4 quarters
$134.5M
$-158.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
TREX
TREX
ZLAB
ZLAB
Q4 25
$65.5M
$-26.0M
Q3 25
$196.9M
$-32.0M
Q2 25
$249.8M
$-31.0M
Q1 25
$-154.0M
$-61.7M
Q4 24
$-8.5M
$-55.8M
Q3 24
$132.8M
$-26.8M
Q2 24
$193.7M
$-42.2M
Q1 24
$-174.0M
$-90.1M
Free Cash Flow
TREX
TREX
ZLAB
ZLAB
Q4 25
$22.1M
$-26.7M
Q3 25
$142.9M
$-35.0M
Q2 25
$203.0M
$-33.9M
Q1 25
$-233.5M
$-63.2M
Q4 24
$-89.3M
$-58.4M
Q3 24
$54.5M
$-28.2M
Q2 24
$158.2M
$-42.9M
Q1 24
$-211.8M
$-91.1M
FCF Margin
TREX
TREX
ZLAB
ZLAB
Q4 25
13.7%
-21.0%
Q3 25
50.1%
-30.4%
Q2 25
52.3%
-31.1%
Q1 25
-68.7%
-59.9%
Q4 24
-53.3%
-53.8%
Q3 24
23.3%
-27.7%
Q2 24
42.0%
-42.9%
Q1 24
-56.7%
-104.5%
Capex Intensity
TREX
TREX
ZLAB
ZLAB
Q4 25
26.9%
0.5%
Q3 25
18.9%
2.6%
Q2 25
12.1%
2.6%
Q1 25
23.4%
1.5%
Q4 24
48.2%
2.4%
Q3 24
33.5%
1.3%
Q2 24
9.4%
0.7%
Q1 24
10.1%
1.1%
Cash Conversion
TREX
TREX
ZLAB
ZLAB
Q4 25
28.45×
Q3 25
3.80×
Q2 25
3.29×
Q1 25
-2.55×
Q4 24
-0.87×
Q3 24
3.27×
Q2 24
2.23×
Q1 24
-1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

TREX
TREX

Segment breakdown not available.

ZLAB
ZLAB

Zejula$56.0M44%
Other$21.9M17%
Nuzyra$16.0M13%
Optune$11.9M9%
XACDURO$10.7M8%
Qinlock$9.7M8%
AUGTYRO$836.0K1%

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