vs

Side-by-side financial comparison of Vertex, Inc. (VERX) and Zai Lab Ltd (ZLAB). Click either name above to swap in a different company.

Vertex, Inc. is the larger business by last-quarter revenue ($194.7M vs $127.1M, roughly 1.5× Zai Lab Ltd). On growth, Zai Lab Ltd posted the faster year-over-year revenue change (17.1% vs 9.1%). Over the past eight quarters, Zai Lab Ltd's revenue compounded faster (20.8% CAGR vs 11.4%).

Vertex Pharmaceuticals Incorporated is an American biopharmaceutical company based in Boston, Massachusetts. It was one of the first biotech firms to use an explicit strategy of rational drug design rather than combinatorial chemistry. It maintains headquarters in Boston, Massachusetts, and three research facilities, in San Diego, California, and Milton Park, Oxfordshire, England.

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.

VERX vs ZLAB — Head-to-Head

Bigger by revenue
VERX
VERX
1.5× larger
VERX
$194.7M
$127.1M
ZLAB
Growing faster (revenue YoY)
ZLAB
ZLAB
+8.0% gap
ZLAB
17.1%
9.1%
VERX
Faster 2-yr revenue CAGR
ZLAB
ZLAB
Annualised
ZLAB
20.8%
11.4%
VERX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
VERX
VERX
ZLAB
ZLAB
Revenue
$194.7M
$127.1M
Net Profit
$-7.0M
Gross Margin
64.8%
51.0%
Operating Margin
-1.3%
-54.6%
Net Margin
-3.6%
Revenue YoY
9.1%
17.1%
Net Profit YoY
89.7%
EPS (diluted)
$-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
VERX
VERX
ZLAB
ZLAB
Q4 25
$194.7M
$127.1M
Q3 25
$192.1M
$115.4M
Q2 25
$184.6M
$109.1M
Q1 25
$177.1M
$105.7M
Q4 24
$178.5M
$108.5M
Q3 24
$170.4M
$101.8M
Q2 24
$161.1M
$100.1M
Q1 24
$156.8M
$87.1M
Net Profit
VERX
VERX
ZLAB
ZLAB
Q4 25
$-7.0M
Q3 25
$4.0M
$-36.0M
Q2 25
$-961.0K
$-40.7M
Q1 25
$11.1M
$-48.4M
Q4 24
$-67.8M
Q3 24
$7.2M
$-41.7M
Q2 24
$5.2M
$-80.3M
Q1 24
$2.7M
$-53.5M
Gross Margin
VERX
VERX
ZLAB
ZLAB
Q4 25
64.8%
51.0%
Q3 25
63.1%
59.5%
Q2 25
65.7%
60.6%
Q1 25
63.8%
63.6%
Q4 24
65.6%
61.5%
Q3 24
64.8%
64.1%
Q2 24
63.7%
64.9%
Q1 24
61.1%
61.4%
Operating Margin
VERX
VERX
ZLAB
ZLAB
Q4 25
-1.3%
-54.6%
Q3 25
2.2%
-42.3%
Q2 25
-2.1%
-50.3%
Q1 25
2.5%
-53.3%
Q4 24
-7.3%
-62.6%
Q3 24
2.9%
-66.6%
Q2 24
4.7%
-76.0%
Q1 24
-1.0%
-80.7%
Net Margin
VERX
VERX
ZLAB
ZLAB
Q4 25
-3.6%
Q3 25
2.1%
-31.2%
Q2 25
-0.5%
-37.3%
Q1 25
6.3%
-45.8%
Q4 24
-38.0%
Q3 24
4.2%
-40.9%
Q2 24
3.2%
-80.2%
Q1 24
1.7%
-61.4%
EPS (diluted)
VERX
VERX
ZLAB
ZLAB
Q4 25
$-0.05
Q3 25
$-0.03
Q2 25
$-0.04
Q1 25
$-0.04
Q4 24
$-0.09
Q3 24
$-0.04
Q2 24
$-0.08
Q1 24
$-0.05

Balance Sheet & Financial Strength

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

Metric
VERX
VERX
ZLAB
ZLAB
Cash + ST InvestmentsLiquidity on hand
$314.0M
$689.6M
Total DebtLower is stronger
$337.5M
Stockholders' EquityBook value
$258.9M
$715.5M
Total Assets
$1.3B
$1.2B
Debt / EquityLower = less leverage
1.30×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
VERX
VERX
ZLAB
ZLAB
Q4 25
$314.0M
$689.6M
Q3 25
$313.5M
$717.2M
Q2 25
$284.4M
$732.2M
Q1 25
$270.4M
$757.3M
Q4 24
$296.1M
$779.7M
Q3 24
$279.0M
$616.1M
Q2 24
$325.5M
$630.0M
Q1 24
$56.1M
$650.8M
Total Debt
VERX
VERX
ZLAB
ZLAB
Q4 25
$337.5M
Q3 25
$336.9M
Q2 25
$336.3M
Q1 25
$335.8M
Q4 24
$335.2M
Q3 24
$334.7M
Q2 24
$334.1M
Q1 24
$46.0M
Stockholders' Equity
VERX
VERX
ZLAB
ZLAB
Q4 25
$258.9M
$715.5M
Q3 25
$264.5M
$759.9M
Q2 25
$248.0M
$791.7M
Q1 25
$200.5M
$810.8M
Q4 24
$179.4M
$840.9M
Q3 24
$259.0M
$667.7M
Q2 24
$233.1M
$704.2M
Q1 24
$250.1M
$762.2M
Total Assets
VERX
VERX
ZLAB
ZLAB
Q4 25
$1.3B
$1.2B
Q3 25
$1.2B
$1.2B
Q2 25
$1.2B
$1.2B
Q1 25
$1.2B
$1.2B
Q4 24
$1.2B
$1.2B
Q3 24
$1.2B
$985.3M
Q2 24
$1.0B
$987.4M
Q1 24
$755.8M
$988.4M
Debt / Equity
VERX
VERX
ZLAB
ZLAB
Q4 25
1.30×
Q3 25
1.27×
Q2 25
1.36×
Q1 25
1.67×
Q4 24
1.87×
Q3 24
1.29×
Q2 24
1.43×
Q1 24
0.18×

Cash Flow & Capital Efficiency

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

Metric
VERX
VERX
ZLAB
ZLAB
Operating Cash FlowLast quarter
$42.3M
$-26.0M
Free Cash FlowOCF − Capex
$-26.7M
FCF MarginFCF / Revenue
-21.0%
Capex IntensityCapex / Revenue
0.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-158.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
VERX
VERX
ZLAB
ZLAB
Q4 25
$42.3M
$-26.0M
Q3 25
$62.5M
$-32.0M
Q2 25
$46.0M
$-31.0M
Q1 25
$14.8M
$-61.7M
Q4 24
$41.1M
$-55.8M
Q3 24
$41.4M
$-26.8M
Q2 24
$57.7M
$-42.2M
Q1 24
$24.6M
$-90.1M
Free Cash Flow
VERX
VERX
ZLAB
ZLAB
Q4 25
$-26.7M
Q3 25
$-35.0M
Q2 25
$-33.9M
Q1 25
$-63.2M
Q4 24
$-58.4M
Q3 24
$-24.3M
$-28.2M
Q2 24
$-42.9M
Q1 24
$10.1M
$-91.1M
FCF Margin
VERX
VERX
ZLAB
ZLAB
Q4 25
-21.0%
Q3 25
-30.4%
Q2 25
-31.1%
Q1 25
-59.9%
Q4 24
-53.8%
Q3 24
-14.2%
-27.7%
Q2 24
-42.9%
Q1 24
6.5%
-104.5%
Capex Intensity
VERX
VERX
ZLAB
ZLAB
Q4 25
0.5%
Q3 25
2.6%
Q2 25
2.6%
Q1 25
1.5%
Q4 24
2.4%
Q3 24
38.5%
1.3%
Q2 24
0.7%
Q1 24
9.2%
1.1%
Cash Conversion
VERX
VERX
ZLAB
ZLAB
Q4 25
Q3 25
15.44×
Q2 25
Q1 25
1.33×
Q4 24
Q3 24
5.73×
Q2 24
11.18×
Q1 24
9.15×

Financial Flow Comparison

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

Revenue Breakdown by Segment

VERX
VERX

Cloud Subscriptions$94.6M49%
Software Licenses$71.6M37%
Service Other$28.5M15%

ZLAB
ZLAB

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

Related Comparisons