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Side-by-side financial comparison of SEMrush Holdings, Inc. (SEMR) 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 $117.7M, roughly 1.1× SEMrush Holdings, Inc.). On growth, Zai Lab Ltd posted the faster year-over-year revenue change (17.1% vs 14.6%). SEMrush Holdings, Inc. produced more free cash flow last quarter ($14.8M vs $-26.7M). Over the past eight quarters, Zai Lab Ltd's revenue compounded faster (20.8% CAGR vs 17.1%).

Semrush Holdings, Inc. is an American public company that has a SaaS platform known as Semrush. The platform is used for keyword research, competitive analysis, site audits, backlink tracking, domain authority tracking, and online visibility insights. The keyword research tool provides various data points on each keyword. The platform also collects information about online keywords gathered from Google and Bing search engines. It was released by Boston-based company Semrush Inc, founded by Ol...

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.

SEMR vs ZLAB — Head-to-Head

Bigger by revenue
ZLAB
ZLAB
1.1× larger
ZLAB
$127.1M
$117.7M
SEMR
Growing faster (revenue YoY)
ZLAB
ZLAB
+2.5% gap
ZLAB
17.1%
14.6%
SEMR
More free cash flow
SEMR
SEMR
$41.5M more FCF
SEMR
$14.8M
$-26.7M
ZLAB
Faster 2-yr revenue CAGR
ZLAB
ZLAB
Annualised
ZLAB
20.8%
17.1%
SEMR

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
SEMR
SEMR
ZLAB
ZLAB
Revenue
$117.7M
$127.1M
Net Profit
$-11.1M
Gross Margin
80.4%
51.0%
Operating Margin
-11.8%
-54.6%
Net Margin
-9.4%
Revenue YoY
14.6%
17.1%
Net Profit YoY
-431.8%
EPS (diluted)
$-0.09
$-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
SEMR
SEMR
ZLAB
ZLAB
Q4 25
$117.7M
$127.1M
Q3 25
$112.1M
$115.4M
Q2 25
$108.9M
$109.1M
Q1 25
$105.0M
$105.7M
Q4 24
$102.6M
$108.5M
Q3 24
$97.4M
$101.8M
Q2 24
$91.0M
$100.1M
Q1 24
$85.8M
$87.1M
Net Profit
SEMR
SEMR
ZLAB
ZLAB
Q4 25
$-11.1M
Q3 25
$-2.1M
$-36.0M
Q2 25
$-6.6M
$-40.7M
Q1 25
$849.0K
$-48.4M
Q4 24
$3.3M
Q3 24
$1.1M
$-41.7M
Q2 24
$1.7M
$-80.3M
Q1 24
$2.1M
$-53.5M
Gross Margin
SEMR
SEMR
ZLAB
ZLAB
Q4 25
80.4%
51.0%
Q3 25
80.2%
59.5%
Q2 25
80.6%
60.6%
Q1 25
81.1%
63.6%
Q4 24
81.7%
61.5%
Q3 24
82.5%
64.1%
Q2 24
83.6%
64.9%
Q1 24
82.9%
61.4%
Operating Margin
SEMR
SEMR
ZLAB
ZLAB
Q4 25
-11.8%
-54.6%
Q3 25
-4.0%
-42.3%
Q2 25
-4.0%
-50.3%
Q1 25
-0.1%
-53.3%
Q4 24
1.7%
-62.6%
Q3 24
1.8%
-66.6%
Q2 24
3.7%
-76.0%
Q1 24
1.7%
-80.7%
Net Margin
SEMR
SEMR
ZLAB
ZLAB
Q4 25
-9.4%
Q3 25
-1.9%
-31.2%
Q2 25
-6.0%
-37.3%
Q1 25
0.8%
-45.8%
Q4 24
3.3%
Q3 24
1.1%
-40.9%
Q2 24
1.8%
-80.2%
Q1 24
2.5%
-61.4%
EPS (diluted)
SEMR
SEMR
ZLAB
ZLAB
Q4 25
$-0.09
$-0.05
Q3 25
$-0.01
$-0.03
Q2 25
$-0.04
$-0.04
Q1 25
$0.01
$-0.04
Q4 24
$0.03
$-0.09
Q3 24
$0.01
$-0.04
Q2 24
$0.01
$-0.08
Q1 24
$0.01
$-0.05

Balance Sheet & Financial Strength

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

Metric
SEMR
SEMR
ZLAB
ZLAB
Cash + ST InvestmentsLiquidity on hand
$264.3M
$689.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$288.6M
$715.5M
Total Assets
$454.1M
$1.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SEMR
SEMR
ZLAB
ZLAB
Q4 25
$264.3M
$689.6M
Q3 25
$80.8M
$717.2M
Q2 25
$54.3M
$732.2M
Q1 25
$64.7M
$757.3M
Q4 24
$48.9M
$779.7M
Q3 24
$45.1M
$616.1M
Q2 24
$69.6M
$630.0M
Q1 24
$41.4M
$650.8M
Stockholders' Equity
SEMR
SEMR
ZLAB
ZLAB
Q4 25
$288.6M
$715.5M
Q3 25
$289.7M
$759.9M
Q2 25
$279.0M
$791.7M
Q1 25
$268.7M
$810.8M
Q4 24
$256.6M
$840.9M
Q3 24
$248.5M
$667.7M
Q2 24
$235.6M
$704.2M
Q1 24
$226.0M
$762.2M
Total Assets
SEMR
SEMR
ZLAB
ZLAB
Q4 25
$454.1M
$1.2B
Q3 25
$450.4M
$1.2B
Q2 25
$424.9M
$1.2B
Q1 25
$416.5M
$1.2B
Q4 24
$390.9M
$1.2B
Q3 24
$383.8M
$985.3M
Q2 24
$372.9M
$987.4M
Q1 24
$341.7M
$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
SEMR
SEMR
ZLAB
ZLAB
Operating Cash FlowLast quarter
$14.9M
$-26.0M
Free Cash FlowOCF − Capex
$14.8M
$-26.7M
FCF MarginFCF / Revenue
12.6%
-21.0%
Capex IntensityCapex / Revenue
0.1%
0.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$57.8M
$-158.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SEMR
SEMR
ZLAB
ZLAB
Q4 25
$14.9M
$-26.0M
Q3 25
$21.9M
$-32.0M
Q2 25
$684.0K
$-31.0M
Q1 25
$22.1M
$-61.7M
Q4 24
$11.9M
$-55.8M
Q3 24
$8.1M
$-26.8M
Q2 24
$12.1M
$-42.2M
Q1 24
$14.8M
$-90.1M
Free Cash Flow
SEMR
SEMR
ZLAB
ZLAB
Q4 25
$14.8M
$-26.7M
Q3 25
$21.5M
$-35.0M
Q2 25
$80.0K
$-33.9M
Q1 25
$21.4M
$-63.2M
Q4 24
$11.5M
$-58.4M
Q3 24
$7.6M
$-28.2M
Q2 24
$10.0M
$-42.9M
Q1 24
$14.0M
$-91.1M
FCF Margin
SEMR
SEMR
ZLAB
ZLAB
Q4 25
12.6%
-21.0%
Q3 25
19.2%
-30.4%
Q2 25
0.1%
-31.1%
Q1 25
20.4%
-59.9%
Q4 24
11.2%
-53.8%
Q3 24
7.8%
-27.7%
Q2 24
11.0%
-42.9%
Q1 24
16.3%
-104.5%
Capex Intensity
SEMR
SEMR
ZLAB
ZLAB
Q4 25
0.1%
0.5%
Q3 25
0.4%
2.6%
Q2 25
0.6%
2.6%
Q1 25
0.7%
1.5%
Q4 24
0.4%
2.4%
Q3 24
0.5%
1.3%
Q2 24
2.4%
0.7%
Q1 24
0.9%
1.1%
Cash Conversion
SEMR
SEMR
ZLAB
ZLAB
Q4 25
Q3 25
Q2 25
Q1 25
26.04×
Q4 24
3.57×
Q3 24
7.44×
Q2 24
7.32×
Q1 24
6.91×

Financial Flow Comparison

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

Revenue Breakdown by Segment

SEMR
SEMR

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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