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Side-by-side financial comparison of OIL STATES INTERNATIONAL, INC (OIS) and Zai Lab Ltd (ZLAB). Click either name above to swap in a different company.

OIL STATES INTERNATIONAL, INC is the larger business by last-quarter revenue ($178.5M vs $127.1M, roughly 1.4× Zai Lab Ltd). On growth, Zai Lab Ltd posted the faster year-over-year revenue change (17.1% vs 8.4%). OIL STATES INTERNATIONAL, INC produced more free cash flow last quarter ($47.1M vs $-26.7M). Over the past eight quarters, Zai Lab Ltd's revenue compounded faster (20.8% CAGR vs 3.3%).

Oil States International, Inc. is an American multinational corporation. It focuses on providing services to oil and gas companies. It is a public company listed on the New York Stock Exchange.

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.

OIS vs ZLAB — Head-to-Head

Bigger by revenue
OIS
OIS
1.4× larger
OIS
$178.5M
$127.1M
ZLAB
Growing faster (revenue YoY)
ZLAB
ZLAB
+8.7% gap
ZLAB
17.1%
8.4%
OIS
More free cash flow
OIS
OIS
$73.8M more FCF
OIS
$47.1M
$-26.7M
ZLAB
Faster 2-yr revenue CAGR
ZLAB
ZLAB
Annualised
ZLAB
20.8%
3.3%
OIS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
OIS
OIS
ZLAB
ZLAB
Revenue
$178.5M
$127.1M
Net Profit
$-117.2M
Gross Margin
10.9%
51.0%
Operating Margin
-63.7%
-54.6%
Net Margin
-65.7%
Revenue YoY
8.4%
17.1%
Net Profit YoY
-873.2%
EPS (diluted)
$-1.99
$-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
OIS
OIS
ZLAB
ZLAB
Q4 25
$178.5M
$127.1M
Q3 25
$165.2M
$115.4M
Q2 25
$165.4M
$109.1M
Q1 25
$159.9M
$105.7M
Q4 24
$164.6M
$108.5M
Q3 24
$174.3M
$101.8M
Q2 24
$186.4M
$100.1M
Q1 24
$167.3M
$87.1M
Net Profit
OIS
OIS
ZLAB
ZLAB
Q4 25
$-117.2M
Q3 25
$1.9M
$-36.0M
Q2 25
$2.8M
$-40.7M
Q1 25
$3.2M
$-48.4M
Q4 24
$15.2M
Q3 24
$-14.3M
$-41.7M
Q2 24
$1.3M
$-80.3M
Q1 24
$-13.4M
$-53.5M
Gross Margin
OIS
OIS
ZLAB
ZLAB
Q4 25
10.9%
51.0%
Q3 25
22.1%
59.5%
Q2 25
24.2%
60.6%
Q1 25
23.3%
63.6%
Q4 24
23.7%
61.5%
Q3 24
21.7%
64.1%
Q2 24
23.8%
64.9%
Q1 24
21.1%
61.4%
Operating Margin
OIS
OIS
ZLAB
ZLAB
Q4 25
-63.7%
-54.6%
Q3 25
2.9%
-42.3%
Q2 25
3.2%
-50.3%
Q1 25
3.5%
-53.3%
Q4 24
11.2%
-62.6%
Q3 24
-6.3%
-66.6%
Q2 24
1.1%
-76.0%
Q1 24
-6.7%
-80.7%
Net Margin
OIS
OIS
ZLAB
ZLAB
Q4 25
-65.7%
Q3 25
1.2%
-31.2%
Q2 25
1.7%
-37.3%
Q1 25
2.0%
-45.8%
Q4 24
9.2%
Q3 24
-8.2%
-40.9%
Q2 24
0.7%
-80.2%
Q1 24
-8.0%
-61.4%
EPS (diluted)
OIS
OIS
ZLAB
ZLAB
Q4 25
$-1.99
$-0.05
Q3 25
$0.03
$-0.03
Q2 25
$0.05
$-0.04
Q1 25
$0.05
$-0.04
Q4 24
$0.24
$-0.09
Q3 24
$-0.23
$-0.04
Q2 24
$0.02
$-0.08
Q1 24
$-0.21
$-0.05

Balance Sheet & Financial Strength

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

Metric
OIS
OIS
ZLAB
ZLAB
Cash + ST InvestmentsLiquidity on hand
$69.9M
$689.6M
Total DebtLower is stronger
$1.7M
Stockholders' EquityBook value
$573.2M
$715.5M
Total Assets
$883.4M
$1.2B
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OIS
OIS
ZLAB
ZLAB
Q4 25
$69.9M
$689.6M
Q3 25
$67.1M
$717.2M
Q2 25
$53.9M
$732.2M
Q1 25
$66.8M
$757.3M
Q4 24
$65.4M
$779.7M
Q3 24
$46.0M
$616.1M
Q2 24
$25.2M
$630.0M
Q1 24
$24.1M
$650.8M
Total Debt
OIS
OIS
ZLAB
ZLAB
Q4 25
$1.7M
Q3 25
$1.9M
Q2 25
$1.9M
Q1 25
$124.7M
Q4 24
$124.7M
Q3 24
$124.6M
Q2 24
$124.3M
Q1 24
$135.6M
Stockholders' Equity
OIS
OIS
ZLAB
ZLAB
Q4 25
$573.2M
$715.5M
Q3 25
$689.0M
$759.9M
Q2 25
$690.6M
$791.7M
Q1 25
$683.4M
$810.8M
Q4 24
$680.7M
$840.9M
Q3 24
$684.8M
$667.7M
Q2 24
$690.4M
$704.2M
Q1 24
$692.3M
$762.2M
Total Assets
OIS
OIS
ZLAB
ZLAB
Q4 25
$883.4M
$1.2B
Q3 25
$1.0B
$1.2B
Q2 25
$993.7M
$1.2B
Q1 25
$990.7M
$1.2B
Q4 24
$1.0B
$1.2B
Q3 24
$994.1M
$985.3M
Q2 24
$1.0B
$987.4M
Q1 24
$1.0B
$988.4M
Debt / Equity
OIS
OIS
ZLAB
ZLAB
Q4 25
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.18×
Q4 24
0.18×
Q3 24
0.18×
Q2 24
0.18×
Q1 24
0.20×

Cash Flow & Capital Efficiency

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

Metric
OIS
OIS
ZLAB
ZLAB
Operating Cash FlowLast quarter
$50.1M
$-26.0M
Free Cash FlowOCF − Capex
$47.1M
$-26.7M
FCF MarginFCF / Revenue
26.4%
-21.0%
Capex IntensityCapex / Revenue
1.7%
0.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$73.9M
$-158.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OIS
OIS
ZLAB
ZLAB
Q4 25
$50.1M
$-26.0M
Q3 25
$30.7M
$-32.0M
Q2 25
$15.0M
$-31.0M
Q1 25
$9.3M
$-61.7M
Q4 24
$18.2M
$-55.8M
Q3 24
$28.8M
$-26.8M
Q2 24
$10.2M
$-42.2M
Q1 24
$-11.4M
$-90.1M
Free Cash Flow
OIS
OIS
ZLAB
ZLAB
Q4 25
$47.1M
$-26.7M
Q3 25
$22.0M
$-35.0M
Q2 25
$4.7M
$-33.9M
Q1 25
$137.0K
$-63.2M
Q4 24
$4.0M
$-58.4M
Q3 24
$21.4M
$-28.2M
Q2 24
$4.5M
$-42.9M
Q1 24
$-21.5M
$-91.1M
FCF Margin
OIS
OIS
ZLAB
ZLAB
Q4 25
26.4%
-21.0%
Q3 25
13.3%
-30.4%
Q2 25
2.8%
-31.1%
Q1 25
0.1%
-59.9%
Q4 24
2.4%
-53.8%
Q3 24
12.3%
-27.7%
Q2 24
2.4%
-42.9%
Q1 24
-12.8%
-104.5%
Capex Intensity
OIS
OIS
ZLAB
ZLAB
Q4 25
1.7%
0.5%
Q3 25
5.3%
2.6%
Q2 25
6.2%
2.6%
Q1 25
5.7%
1.5%
Q4 24
8.6%
2.4%
Q3 24
4.3%
1.3%
Q2 24
3.1%
0.7%
Q1 24
6.0%
1.1%
Cash Conversion
OIS
OIS
ZLAB
ZLAB
Q4 25
Q3 25
16.15×
Q2 25
5.33×
Q1 25
2.94×
Q4 24
1.20×
Q3 24
Q2 24
7.87×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

OIS
OIS

Project Driven$112.6M63%
Downhole Technologies$32.1M18%
Completion And Production Services$23.1M13%
Military And Other Products$10.7M6%

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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