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International Bancshares Corp. (IBOC) Stock Fundamental Analysis & AI Rating 2026

IBOC Nasdaq State Commercial Banks TX CIK: 0000315709
Recently Updated • Analysis: Apr 11, 2026 • SEC Data: 2025-12-31
Combined AI Rating
BUY
70% Confidence
AGREEMENT
HOLD
67% Conf
BUY
72% Conf

📊 IBOC Key Takeaways

Revenue: $886.3M
Net Margin: 46.5%
Free Cash Flow: $472.9M
Current Ratio: N/A
Debt/Equity: 0.00x
EPS: $6.62
AI Rating: HOLD with 67% confidence
International Bancshares Corp. (IBOC) receives a BUY rating with 70% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $886.3M, net profit margin of 46.5%, and return on equity (ROE) of 12.7%, International Bancshares Corp. demonstrates strong fundamentals in the Finance sector. Below is our complete IBOC stock analysis for 2026.

Is International Bancshares Corp. (IBOC) a Good Investment?

Claude

IBOC demonstrates strong revenue growth (31.8% YoY) and fortress balance sheet strength with zero debt, but faces profitability headwinds as net income remained flat despite significant top-line expansion. Strong free cash flow (53.4% FCF margin) is positive, but the severe disconnect between revenue and earnings growth raises material concerns about earnings quality and operational efficiency that require clarification.

ChatGPT

IBOC shows strong core profitability (46.5% net margin, 2.5% ROA) and robust cash generation with minimal capital intensity, supported by a conservative balance sheet and low reliance on long-term debt. However, flat net income despite strong revenue growth signals emerging margin or credit cost pressures typical for rate-sensitive banks. On balance, fundamentals favor continued earnings power with manageable risks.

Why Buy International Bancshares Corp. Stock? IBOC Key Strengths

Claude
  • + Exceptional revenue growth of 31.8% YoY demonstrates robust business expansion and market demand
  • + Fortress balance sheet with zero debt (Debt/Equity 0.00x) and $3.3B equity providing substantial financial flexibility
  • + Strong free cash flow generation of $472.9M with 53.4% FCF margin, confirming earnings quality
  • + Healthy net margin of 46.5% and solid ROE of 12.7% for banking sector
ChatGPT
  • + High profitability metrics (46.5% net margin, 2.5% ROA, 12.7% ROE)
  • + Strong free cash flow (53.4% FCF margin) with low capex needs
  • + Conservative balance sheet with solid equity and limited reported long-term debt

IBOC Stock Risks: International Bancshares Corp. Investment Risks

Claude
  • ! Net income flat (0.0% YoY) despite 31.8% revenue growth indicates severe margin compression or one-time revenue items
  • ! EPS growth minimal (0.8% YoY) despite strong revenue expansion suggests operating leverage failure and potential share dilution
  • ! Unusually high 46.5% net margin combined with earnings stagnation raises red flags about sustainability and accounting quality
  • ! Operating expense growth outpacing revenue growth, indicating deteriorating cost structure
ChatGPT
  • ! Net income stagnation despite revenue growth suggests NIM compression or expense/provision pressure
  • ! Interest-rate sensitivity could raise funding costs and compress margins
  • ! Potential credit quality deterioration increasing provisions and reducing ROE

Key Metrics to Watch

Claude
  • * Operating income and operating margin trends to diagnose core profitability deterioration
  • * Revenue composition to identify if growth driven by one-time items or recurring income streams
  • * Net interest margin (NIM) and net interest income trends as primary banking profitability drivers
  • * Loan loss provisions and credit quality metrics to assess asset quality
  • * Efficiency ratio trends to monitor operating expense management
ChatGPT
  • * Net interest margin (NIM)
  • * Provision for credit losses and nonperforming assets

International Bancshares Corp. (IBOC) Financial Metrics & Key Ratios

Revenue
$886.3M
Net Income
$412.3M
EPS (Diluted)
$6.62
Free Cash Flow
$472.9M
Total Assets
$16.6B
Cash Position
$536.5M

💡 AI Analyst Insight

The 53.4% free cash flow margin provides substantial flexibility for dividends, buybacks, and strategic investments. The current ratio below 1.0x warrants monitoring of short-term liquidity.

IBOC Profit Margin, ROE & Profitability Analysis

Gross Margin N/A
Operating Margin N/A
Net Margin 46.5%
ROE 12.7%
ROA 2.5%
FCF Margin 53.4%

IBOC vs Finance Sector: How International Bancshares Corp. Compares

How International Bancshares Corp. compares to Finance sector averages

Net Margin
IBOC 46.5%
vs
Sector Avg 25.0%
IBOC Sector
ROE
IBOC 12.7%
vs
Sector Avg 12.0%
IBOC Sector
Current Ratio
IBOC 0.0x
vs
Sector Avg 1.2x
IBOC Sector
Debt/Equity
IBOC 0.0x
vs
Sector Avg 2.0x
IBOC Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is International Bancshares Corp. Stock Overvalued? IBOC Valuation Analysis 2026

Based on fundamental analysis, International Bancshares Corp. appears fundamentally strong relative to the Finance sector in 2026.

Return on Equity
12.7%
Sector avg: 12%
Net Profit Margin
46.5%
Sector avg: 25%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.00x
Sector avg: 2x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

International Bancshares Corp. Balance Sheet: IBOC Debt, Cash & Liquidity

Current Ratio
N/A
Quick Ratio
N/A
Debt/Equity
0.00x
Debt/Assets
80.4%
Interest Coverage
N/A
Long-term Debt
N/A

IBOC Revenue & Earnings Growth: 5-Year Financial Trend

IBOC 5-year financial data:
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: International Bancshares Corp.'s revenue has remained relatively flat over the 5-year period, with a 0% decline. The most recent EPS of $6.62 reflects profitable operations.

IBOC Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
53.4%
Free cash flow / Revenue

International Bancshares Corp. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$491.1M
Cash generated from operations
Stock Buybacks
$4.6M
Shares repurchased (TTM)
Capital Expenditures
$18.1M
Investment in assets
Dividends Paid
$87.1M
Returned to shareholders

IBOC SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for International Bancshares Corp. (CIK: 0000315709)

📋 Recent SEC Filings

Date Form Document Action
Feb 26, 2026 10-K iboc-20251231x10k.htm View →
Feb 26, 2026 8-K iboc-20260226x8k.htm View →
Feb 10, 2026 4 xslF345X05/form4-02102026_110248.xml View →
Feb 2, 2026 8-K tm264595d1_8k.htm View →
Nov 6, 2025 10-Q iboc-20250930x10q.htm View →

Frequently Asked Questions about IBOC

What is the AI rating for IBOC?

International Bancshares Corp. (IBOC) has a Combined AI Rating of BUY from Claude (HOLD) and ChatGPT (BUY) with 70% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are IBOC's key strengths?

Claude: Exceptional revenue growth of 31.8% YoY demonstrates robust business expansion and market demand. Fortress balance sheet with zero debt (Debt/Equity 0.00x) and $3.3B equity providing substantial financial flexibility. ChatGPT: High profitability metrics (46.5% net margin, 2.5% ROA, 12.7% ROE). Strong free cash flow (53.4% FCF margin) with low capex needs.

What are the risks of investing in IBOC?

Claude: Net income flat (0.0% YoY) despite 31.8% revenue growth indicates severe margin compression or one-time revenue items. EPS growth minimal (0.8% YoY) despite strong revenue expansion suggests operating leverage failure and potential share dilution. ChatGPT: Net income stagnation despite revenue growth suggests NIM compression or expense/provision pressure. Interest-rate sensitivity could raise funding costs and compress margins.

What is IBOC's revenue and growth?

International Bancshares Corp. reported revenue of $886.3M.

Does IBOC pay dividends?

International Bancshares Corp. pays dividends, with $87.1M distributed to shareholders in the trailing twelve months.

Where can I find IBOC SEC filings?

Official SEC filings for International Bancshares Corp. (CIK: 0000315709) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is IBOC's EPS?

International Bancshares Corp. has a diluted EPS of $6.62.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is IBOC a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, International Bancshares Corp. has a BUY rating with 70% confidence. The AI analysis suggests favorable fundamentals based on SEC filings. This is not investment advice.

Is IBOC stock overvalued or undervalued?

Valuation metrics for IBOC: ROE of 12.7% (sector avg: 12%), net margin of 46.5% (sector avg: 25%). Higher ROE suggests strong returns relative to peers.

Should I buy IBOC stock in 2026?

Our dual AI analysis gives International Bancshares Corp. a combined BUY rating for 2026. Revenue is data pending, with profitability above sector average. Always conduct your own research.

What is IBOC's free cash flow?

International Bancshares Corp.'s operating cash flow is $491.1M, with capital expenditures of $18.1M. FCF margin is 53.4%.

How does IBOC compare to other Finance stocks?

Vs Finance sector averages: Net margin 46.5% (avg: 25%), ROE 12.7% (avg: 12%), current ratio N/A (avg: 1.2).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Apr 11, 2026 | Data as of: 2025-12-31 | Powered by Claude AI