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

Zai Lab Ltd is the larger business by last-quarter revenue ($127.1M vs $80.0M, roughly 1.6× PubMatic, Inc.). On growth, Zai Lab Ltd posted the faster year-over-year revenue change (17.1% vs -6.4%). PubMatic, Inc. produced more free cash flow last quarter ($11.3M vs $-26.7M). Over the past eight quarters, Zai Lab Ltd's revenue compounded faster (20.8% CAGR vs 9.5%).

PubMatic, Inc. develops and implements online advertising software and strategies for the digital publishing and advertising industry. PubMatic's sell-side, real-time programmatic ad transaction advertising software puts publishers of websites, videos, and mobile apps into contact with ad buyers by using automated systems, while allowing users to opt-out of having their personal information collected on internet searches. PubMatic has a number of offices in countries around the world.

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.

PUBM vs ZLAB — Head-to-Head

Bigger by revenue
ZLAB
ZLAB
1.6× larger
ZLAB
$127.1M
$80.0M
PUBM
Growing faster (revenue YoY)
ZLAB
ZLAB
+23.5% gap
ZLAB
17.1%
-6.4%
PUBM
More free cash flow
PUBM
PUBM
$38.0M more FCF
PUBM
$11.3M
$-26.7M
ZLAB
Faster 2-yr revenue CAGR
ZLAB
ZLAB
Annualised
ZLAB
20.8%
9.5%
PUBM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PUBM
PUBM
ZLAB
ZLAB
Revenue
$80.0M
$127.1M
Net Profit
Gross Margin
68.2%
51.0%
Operating Margin
10.6%
-54.6%
Net Margin
Revenue YoY
-6.4%
17.1%
Net Profit YoY
EPS (diluted)
$0.14
$-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
PUBM
PUBM
ZLAB
ZLAB
Q4 25
$80.0M
$127.1M
Q3 25
$68.0M
$115.4M
Q2 25
$71.1M
$109.1M
Q1 25
$63.8M
$105.7M
Q4 24
$85.5M
$108.5M
Q3 24
$71.8M
$101.8M
Q2 24
$67.3M
$100.1M
Q1 24
$66.7M
$87.1M
Net Profit
PUBM
PUBM
ZLAB
ZLAB
Q4 25
Q3 25
$-6.5M
$-36.0M
Q2 25
$-5.2M
$-40.7M
Q1 25
$-9.5M
$-48.4M
Q4 24
Q3 24
$-912.0K
$-41.7M
Q2 24
$2.0M
$-80.3M
Q1 24
$-2.5M
$-53.5M
Gross Margin
PUBM
PUBM
ZLAB
ZLAB
Q4 25
68.2%
51.0%
Q3 25
62.6%
59.5%
Q2 25
62.6%
60.6%
Q1 25
59.9%
63.6%
Q4 24
70.8%
61.5%
Q3 24
64.5%
64.1%
Q2 24
62.6%
64.9%
Q1 24
61.9%
61.4%
Operating Margin
PUBM
PUBM
ZLAB
ZLAB
Q4 25
10.6%
-54.6%
Q3 25
-12.4%
-42.3%
Q2 25
-7.7%
-50.3%
Q1 25
-18.6%
-53.3%
Q4 24
17.3%
-62.6%
Q3 24
-1.9%
-66.6%
Q2 24
-5.9%
-76.0%
Q1 24
-8.3%
-80.7%
Net Margin
PUBM
PUBM
ZLAB
ZLAB
Q4 25
Q3 25
-9.5%
-31.2%
Q2 25
-7.3%
-37.3%
Q1 25
-14.9%
-45.8%
Q4 24
Q3 24
-1.3%
-40.9%
Q2 24
2.9%
-80.2%
Q1 24
-3.7%
-61.4%
EPS (diluted)
PUBM
PUBM
ZLAB
ZLAB
Q4 25
$0.14
$-0.05
Q3 25
$-0.14
$-0.03
Q2 25
$-0.11
$-0.04
Q1 25
$-0.20
$-0.04
Q4 24
$0.26
$-0.09
Q3 24
$-0.02
$-0.04
Q2 24
$0.04
$-0.08
Q1 24
$-0.05
$-0.05

Balance Sheet & Financial Strength

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

Metric
PUBM
PUBM
ZLAB
ZLAB
Cash + ST InvestmentsLiquidity on hand
$145.5M
$689.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$262.6M
$715.5M
Total Assets
$680.2M
$1.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PUBM
PUBM
ZLAB
ZLAB
Q4 25
$145.5M
$689.6M
Q3 25
$136.5M
$717.2M
Q2 25
$90.5M
$732.2M
Q1 25
$101.8M
$757.3M
Q4 24
$100.5M
$779.7M
Q3 24
$78.9M
$616.1M
Q2 24
$73.5M
$630.0M
Q1 24
$80.2M
$650.8M
Stockholders' Equity
PUBM
PUBM
ZLAB
ZLAB
Q4 25
$262.6M
$715.5M
Q3 25
$245.1M
$759.9M
Q2 25
$243.3M
$791.7M
Q1 25
$275.6M
$810.8M
Q4 24
$277.3M
$840.9M
Q3 24
$263.2M
$667.7M
Q2 24
$282.7M
$704.2M
Q1 24
$288.7M
$762.2M
Total Assets
PUBM
PUBM
ZLAB
ZLAB
Q4 25
$680.2M
$1.2B
Q3 25
$676.2M
$1.2B
Q2 25
$675.2M
$1.2B
Q1 25
$668.6M
$1.2B
Q4 24
$739.5M
$1.2B
Q3 24
$689.1M
$985.3M
Q2 24
$673.1M
$987.4M
Q1 24
$626.2M
$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
PUBM
PUBM
ZLAB
ZLAB
Operating Cash FlowLast quarter
$18.2M
$-26.0M
Free Cash FlowOCF − Capex
$11.3M
$-26.7M
FCF MarginFCF / Revenue
14.1%
-21.0%
Capex IntensityCapex / Revenue
8.6%
0.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$66.7M
$-158.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PUBM
PUBM
ZLAB
ZLAB
Q4 25
$18.2M
$-26.0M
Q3 25
$32.4M
$-32.0M
Q2 25
$14.9M
$-31.0M
Q1 25
$15.6M
$-61.7M
Q4 24
$18.0M
$-55.8M
Q3 24
$19.1M
$-26.8M
Q2 24
$11.9M
$-42.2M
Q1 24
$24.3M
$-90.1M
Free Cash Flow
PUBM
PUBM
ZLAB
ZLAB
Q4 25
$11.3M
$-26.7M
Q3 25
$27.7M
$-35.0M
Q2 25
$13.6M
$-33.9M
Q1 25
$14.2M
$-63.2M
Q4 24
$13.7M
$-58.4M
Q3 24
$7.4M
$-28.2M
Q2 24
$11.2M
$-42.9M
Q1 24
$23.5M
$-91.1M
FCF Margin
PUBM
PUBM
ZLAB
ZLAB
Q4 25
14.1%
-21.0%
Q3 25
40.8%
-30.4%
Q2 25
19.1%
-31.1%
Q1 25
22.2%
-59.9%
Q4 24
16.1%
-53.8%
Q3 24
10.3%
-27.7%
Q2 24
16.7%
-42.9%
Q1 24
35.2%
-104.5%
Capex Intensity
PUBM
PUBM
ZLAB
ZLAB
Q4 25
8.6%
0.5%
Q3 25
6.9%
2.6%
Q2 25
1.9%
2.6%
Q1 25
2.3%
1.5%
Q4 24
5.1%
2.4%
Q3 24
16.3%
1.3%
Q2 24
1.1%
0.7%
Q1 24
1.2%
1.1%
Cash Conversion
PUBM
PUBM
ZLAB
ZLAB
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
6.06×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

PUBM
PUBM

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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