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Side-by-side financial comparison of INTERNATIONAL BANCSHARES CORP (IBOC) and Zai Lab Ltd (ZLAB). Click either name above to swap in a different company.

INTERNATIONAL BANCSHARES CORP is the larger business by last-quarter revenue ($217.7M vs $127.1M, roughly 1.7× Zai Lab Ltd). On growth, Zai Lab Ltd posted the faster year-over-year revenue change (17.1% vs 4.5%). INTERNATIONAL BANCSHARES CORP produced more free cash flow last quarter ($472.9M vs $-26.7M). Over the past eight quarters, Zai Lab Ltd's revenue compounded faster (20.8% CAGR vs 2.8%).

International Bancshares Corporation is a bank holding company based in Laredo, Texas whose primary subsidiary is International Bank of Commerce. Through its bank subsidiaries, it has 217 banking offices and 315 automated teller machines serving 88 communities in the U.S. states of Texas and Oklahoma.

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.

IBOC vs ZLAB — Head-to-Head

Bigger by revenue
IBOC
IBOC
1.7× larger
IBOC
$217.7M
$127.1M
ZLAB
Growing faster (revenue YoY)
ZLAB
ZLAB
+12.6% gap
ZLAB
17.1%
4.5%
IBOC
More free cash flow
IBOC
IBOC
$499.6M more FCF
IBOC
$472.9M
$-26.7M
ZLAB
Faster 2-yr revenue CAGR
ZLAB
ZLAB
Annualised
ZLAB
20.8%
2.8%
IBOC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IBOC
IBOC
ZLAB
ZLAB
Revenue
$217.7M
$127.1M
Net Profit
$106.9M
Gross Margin
51.0%
Operating Margin
62.8%
-54.6%
Net Margin
62.3%
Revenue YoY
4.5%
17.1%
Net Profit YoY
-7.1%
EPS (diluted)
$1.71
$-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
IBOC
IBOC
ZLAB
ZLAB
Q4 25
$217.7M
$127.1M
Q3 25
$218.1M
$115.4M
Q2 25
$208.2M
$109.1M
Q1 25
$198.2M
$105.7M
Q4 24
$208.3M
$108.5M
Q3 24
$211.8M
$101.8M
Q2 24
$207.8M
$100.1M
Q1 24
$205.8M
$87.1M
Net Profit
IBOC
IBOC
ZLAB
ZLAB
Q4 25
$106.9M
Q3 25
$108.4M
$-36.0M
Q2 25
$100.1M
$-40.7M
Q1 25
$96.9M
$-48.4M
Q4 24
$115.1M
Q3 24
$99.8M
$-41.7M
Q2 24
$97.0M
$-80.3M
Q1 24
$97.3M
$-53.5M
Gross Margin
IBOC
IBOC
ZLAB
ZLAB
Q4 25
51.0%
Q3 25
59.5%
Q2 25
60.6%
Q1 25
63.6%
Q4 24
61.5%
Q3 24
64.1%
Q2 24
64.9%
Q1 24
61.4%
Operating Margin
IBOC
IBOC
ZLAB
ZLAB
Q4 25
62.8%
-54.6%
Q3 25
62.6%
-42.3%
Q2 25
60.5%
-50.3%
Q1 25
61.1%
-53.3%
Q4 24
64.2%
-62.6%
Q3 24
60.0%
-66.6%
Q2 24
60.1%
-76.0%
Q1 24
59.9%
-80.7%
Net Margin
IBOC
IBOC
ZLAB
ZLAB
Q4 25
62.3%
Q3 25
49.7%
-31.2%
Q2 25
48.1%
-37.3%
Q1 25
48.9%
-45.8%
Q4 24
71.5%
Q3 24
47.1%
-40.9%
Q2 24
46.7%
-80.2%
Q1 24
47.3%
-61.4%
EPS (diluted)
IBOC
IBOC
ZLAB
ZLAB
Q4 25
$1.71
$-0.05
Q3 25
$1.74
$-0.03
Q2 25
$1.61
$-0.04
Q1 25
$1.56
$-0.04
Q4 24
$1.85
$-0.09
Q3 24
$1.60
$-0.04
Q2 24
$1.56
$-0.08
Q1 24
$1.56
$-0.05

Balance Sheet & Financial Strength

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

Metric
IBOC
IBOC
ZLAB
ZLAB
Cash + ST InvestmentsLiquidity on hand
$5.5B
$689.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$3.3B
$715.5M
Total Assets
$16.6B
$1.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IBOC
IBOC
ZLAB
ZLAB
Q4 25
$5.5B
$689.6M
Q3 25
$5.6B
$717.2M
Q2 25
$5.8B
$732.2M
Q1 25
$5.6B
$757.3M
Q4 24
$5.4B
$779.7M
Q3 24
$5.8B
$616.1M
Q2 24
$5.7B
$630.0M
Q1 24
$5.7B
$650.8M
Stockholders' Equity
IBOC
IBOC
ZLAB
ZLAB
Q4 25
$3.3B
$715.5M
Q3 25
$3.1B
$759.9M
Q2 25
$3.0B
$791.7M
Q1 25
$2.9B
$810.8M
Q4 24
$2.8B
$840.9M
Q3 24
$2.7B
$667.7M
Q2 24
$2.6B
$704.2M
Q1 24
$2.5B
$762.2M
Total Assets
IBOC
IBOC
ZLAB
ZLAB
Q4 25
$16.6B
$1.2B
Q3 25
$16.6B
$1.2B
Q2 25
$16.5B
$1.2B
Q1 25
$16.3B
$1.2B
Q4 24
$15.7B
$1.2B
Q3 24
$15.9B
$985.3M
Q2 24
$15.5B
$987.4M
Q1 24
$15.4B
$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
IBOC
IBOC
ZLAB
ZLAB
Operating Cash FlowLast quarter
$491.1M
$-26.0M
Free Cash FlowOCF − Capex
$472.9M
$-26.7M
FCF MarginFCF / Revenue
217.2%
-21.0%
Capex IntensityCapex / Revenue
8.3%
0.5%
Cash ConversionOCF / Net Profit
4.59×
TTM Free Cash FlowTrailing 4 quarters
$809.9M
$-158.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IBOC
IBOC
ZLAB
ZLAB
Q4 25
$491.1M
$-26.0M
Q3 25
$115.2M
$-32.0M
Q2 25
$95.5M
$-31.0M
Q1 25
$140.5M
$-61.7M
Q4 24
$473.9M
$-55.8M
Q3 24
$116.5M
$-26.8M
Q2 24
$107.2M
$-42.2M
Q1 24
$135.4M
$-90.1M
Free Cash Flow
IBOC
IBOC
ZLAB
ZLAB
Q4 25
$472.9M
$-26.7M
Q3 25
$112.2M
$-35.0M
Q2 25
$91.6M
$-33.9M
Q1 25
$133.1M
$-63.2M
Q4 24
$459.8M
$-58.4M
Q3 24
$109.6M
$-28.2M
Q2 24
$104.9M
$-42.9M
Q1 24
$128.9M
$-91.1M
FCF Margin
IBOC
IBOC
ZLAB
ZLAB
Q4 25
217.2%
-21.0%
Q3 25
51.5%
-30.4%
Q2 25
44.0%
-31.1%
Q1 25
67.1%
-59.9%
Q4 24
220.8%
-53.8%
Q3 24
51.7%
-27.7%
Q2 24
50.5%
-42.9%
Q1 24
62.6%
-104.5%
Capex Intensity
IBOC
IBOC
ZLAB
ZLAB
Q4 25
8.3%
0.5%
Q3 25
1.3%
2.6%
Q2 25
1.9%
2.6%
Q1 25
3.7%
1.5%
Q4 24
6.8%
2.4%
Q3 24
3.3%
1.3%
Q2 24
1.1%
0.7%
Q1 24
3.2%
1.1%
Cash Conversion
IBOC
IBOC
ZLAB
ZLAB
Q4 25
4.59×
Q3 25
1.06×
Q2 25
0.95×
Q1 25
1.45×
Q4 24
4.12×
Q3 24
1.17×
Q2 24
1.11×
Q1 24
1.39×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IBOC
IBOC

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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