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Side-by-side financial comparison of ACI WORLDWIDE, INC. (ACIW) and INTERNATIONAL BANCSHARES CORP (IBOC). Click either name above to swap in a different company.

ACI WORLDWIDE, INC. is the larger business by last-quarter revenue ($425.7M vs $217.7M, roughly 2.0× INTERNATIONAL BANCSHARES CORP). INTERNATIONAL BANCSHARES CORP runs the higher net margin — 62.3% vs 9.0%, a 53.3% gap on every dollar of revenue. On growth, ACI WORLDWIDE, INC. posted the faster year-over-year revenue change (7.9% vs 4.5%). Over the past eight quarters, ACI WORLDWIDE, INC.'s revenue compounded faster (6.8% CAGR vs 2.8%).

ACI Worldwide is a digital payments software company headquartered in Elkhorn, Nebraska, that processes billions of transactions daily equating to trillions of U.S. dollars for customers in 94 countries. Banks, financial institutions, merchants, billers, acquirers, issuers, and other third-party payment service providers use its intelligent solutions to deploy secure payment rails across all channels.

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.

ACIW vs IBOC — Head-to-Head

Bigger by revenue
ACIW
ACIW
2.0× larger
ACIW
$425.7M
$217.7M
IBOC
Growing faster (revenue YoY)
ACIW
ACIW
+3.4% gap
ACIW
7.9%
4.5%
IBOC
Higher net margin
IBOC
IBOC
53.3% more per $
IBOC
62.3%
9.0%
ACIW
Faster 2-yr revenue CAGR
ACIW
ACIW
Annualised
ACIW
6.8%
2.8%
IBOC

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ACIW
ACIW
IBOC
IBOC
Revenue
$425.7M
$217.7M
Net Profit
$38.3M
$106.9M
Gross Margin
Operating Margin
13.5%
62.8%
Net Margin
9.0%
62.3%
Revenue YoY
7.9%
4.5%
Net Profit YoY
-7.1%
EPS (diluted)
$0.37
$1.71

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
ACIW
ACIW
IBOC
IBOC
Q1 26
$425.7M
Q4 25
$481.6M
$217.7M
Q3 25
$482.4M
$218.1M
Q2 25
$401.3M
$208.2M
Q1 25
$394.6M
$198.2M
Q4 24
$453.0M
$208.3M
Q3 24
$451.8M
$211.8M
Q2 24
$373.5M
$207.8M
Net Profit
ACIW
ACIW
IBOC
IBOC
Q1 26
$38.3M
Q4 25
$64.3M
$106.9M
Q3 25
$91.3M
$108.4M
Q2 25
$12.2M
$100.1M
Q1 25
$58.9M
$96.9M
Q4 24
$98.6M
$115.1M
Q3 24
$81.4M
$99.8M
Q2 24
$30.9M
$97.0M
Gross Margin
ACIW
ACIW
IBOC
IBOC
Q1 26
Q4 25
53.0%
Q3 25
53.7%
Q2 25
41.5%
Q1 25
45.9%
Q4 24
55.8%
Q3 24
56.3%
Q2 24
45.6%
Operating Margin
ACIW
ACIW
IBOC
IBOC
Q1 26
13.5%
Q4 25
22.6%
62.8%
Q3 25
26.5%
62.6%
Q2 25
8.7%
60.5%
Q1 25
14.8%
61.1%
Q4 24
27.0%
64.2%
Q3 24
27.1%
60.0%
Q2 24
14.4%
60.1%
Net Margin
ACIW
ACIW
IBOC
IBOC
Q1 26
9.0%
Q4 25
13.4%
62.3%
Q3 25
18.9%
49.7%
Q2 25
3.0%
48.1%
Q1 25
14.9%
48.9%
Q4 24
21.8%
71.5%
Q3 24
18.0%
47.1%
Q2 24
8.3%
46.7%
EPS (diluted)
ACIW
ACIW
IBOC
IBOC
Q1 26
$0.37
Q4 25
$0.61
$1.71
Q3 25
$0.88
$1.74
Q2 25
$0.12
$1.61
Q1 25
$0.55
$1.56
Q4 24
$0.92
$1.85
Q3 24
$0.77
$1.60
Q2 24
$0.29
$1.56

Balance Sheet & Financial Strength

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

Metric
ACIW
ACIW
IBOC
IBOC
Cash + ST InvestmentsLiquidity on hand
$161.8M
$5.5B
Total DebtLower is stronger
$807.4M
Stockholders' EquityBook value
$1.5B
$3.3B
Total Assets
$3.1B
$16.6B
Debt / EquityLower = less leverage
0.54×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACIW
ACIW
IBOC
IBOC
Q1 26
$161.8M
Q4 25
$196.5M
$5.5B
Q3 25
$199.3M
$5.6B
Q2 25
$189.7M
$5.8B
Q1 25
$230.1M
$5.6B
Q4 24
$216.4M
$5.4B
Q3 24
$177.9M
$5.8B
Q2 24
$157.0M
$5.7B
Total Debt
ACIW
ACIW
IBOC
IBOC
Q1 26
$807.4M
Q4 25
$817.6M
Q3 25
$867.8M
Q2 25
$898.0M
Q1 25
$845.9M
Q4 24
$924.6M
Q3 24
$994.3M
Q2 24
$1.0B
Stockholders' Equity
ACIW
ACIW
IBOC
IBOC
Q1 26
$1.5B
Q4 25
$1.5B
$3.3B
Q3 25
$1.5B
$3.1B
Q2 25
$1.4B
$3.0B
Q1 25
$1.5B
$2.9B
Q4 24
$1.4B
$2.8B
Q3 24
$1.3B
$2.7B
Q2 24
$1.2B
$2.6B
Total Assets
ACIW
ACIW
IBOC
IBOC
Q1 26
$3.1B
Q4 25
$3.1B
$16.6B
Q3 25
$3.2B
$16.6B
Q2 25
$3.1B
$16.5B
Q1 25
$3.2B
$16.3B
Q4 24
$3.0B
$15.7B
Q3 24
$3.1B
$15.9B
Q2 24
$3.4B
$15.5B
Debt / Equity
ACIW
ACIW
IBOC
IBOC
Q1 26
0.54×
Q4 25
0.54×
Q3 25
0.59×
Q2 25
0.64×
Q1 25
0.57×
Q4 24
0.65×
Q3 24
0.75×
Q2 24
0.82×

Cash Flow & Capital Efficiency

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

Metric
ACIW
ACIW
IBOC
IBOC
Operating Cash FlowLast quarter
$491.1M
Free Cash FlowOCF − Capex
$472.9M
FCF MarginFCF / Revenue
217.2%
Capex IntensityCapex / Revenue
8.3%
Cash ConversionOCF / Net Profit
4.59×
TTM Free Cash FlowTrailing 4 quarters
$809.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACIW
ACIW
IBOC
IBOC
Q1 26
Q4 25
$121.8M
$491.1M
Q3 25
$73.0M
$115.2M
Q2 25
$49.8M
$95.5M
Q1 25
$78.2M
$140.5M
Q4 24
$126.5M
$473.9M
Q3 24
$54.0M
$116.5M
Q2 24
$55.0M
$107.2M
Free Cash Flow
ACIW
ACIW
IBOC
IBOC
Q1 26
Q4 25
$116.6M
$472.9M
Q3 25
$69.6M
$112.2M
Q2 25
$47.6M
$91.6M
Q1 25
$76.1M
$133.1M
Q4 24
$119.5M
$459.8M
Q3 24
$50.5M
$109.6M
Q2 24
$53.3M
$104.9M
FCF Margin
ACIW
ACIW
IBOC
IBOC
Q1 26
Q4 25
24.2%
217.2%
Q3 25
14.4%
51.5%
Q2 25
11.9%
44.0%
Q1 25
19.3%
67.1%
Q4 24
26.4%
220.8%
Q3 24
11.2%
51.7%
Q2 24
14.3%
50.5%
Capex Intensity
ACIW
ACIW
IBOC
IBOC
Q1 26
Q4 25
1.1%
8.3%
Q3 25
0.7%
1.3%
Q2 25
0.5%
1.9%
Q1 25
0.5%
3.7%
Q4 24
1.5%
6.8%
Q3 24
0.8%
3.3%
Q2 24
0.5%
1.1%
Cash Conversion
ACIW
ACIW
IBOC
IBOC
Q1 26
Q4 25
1.89×
4.59×
Q3 25
0.80×
1.06×
Q2 25
4.08×
0.95×
Q1 25
1.33×
1.45×
Q4 24
1.28×
4.12×
Q3 24
0.66×
1.17×
Q2 24
1.78×
1.11×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACIW
ACIW

Software as a service and platform as a service$262.0M62%
License$88.0M21%
Maintenance$50.9M12%
Services$24.8M6%

IBOC
IBOC

Segment breakdown not available.

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