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

IBOC Nasdaq State Commercial Banks TX CIK: 0000315709
Updated This Month • Analysis: May 8, 2026 • SEC Data: 2026-03-31
Combined AI Rating
BUY
70% Confidence
AGREEMENT
HOLD
68% Conf
BUY
72% Conf

📊 IBOC Key Takeaways

Revenue: $214.6M
Net Margin: 47.6%
Free Cash Flow: $116.0M
Current Ratio: N/A
Debt/Equity: 0.00x
EPS: $1.64
AI Rating: HOLD with 68% 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 $214.6M, net profit margin of 47.6%, and return on equity (ROE) of 3.1%, 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

International Bancshares shows strong revenue growth (31.8% YoY) and exceptional free cash flow generation (116M with 54.1% margin) backed by a fortress balance sheet with zero debt. However, critically low ROE (3.1%) and ROA (0.6%) combined with severe earnings deceleration (0.8% vs 31.8% revenue growth) signal concerning capital efficiency and margin compression that require investigation before a constructive rating is warranted.

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
  • + Strong revenue growth of 31.8% YoY indicates expanding lending portfolio and business activity
  • + Exceptional free cash flow generation with 116M FCF and 54.1% margin demonstrates earnings quality and cash conversion
  • + Fortress balance sheet with zero debt, 3.3B stockholders equity, and 585.9M cash provides financial stability and flexibility
  • + High net margin of 47.6% shows strong profitability per dollar of revenue
  • + Conservative leverage profile (0.00x Debt/Equity) minimizes financial risk and stress test vulnerability
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
  • ! Critically low ROE of 3.1% and ROA of 0.6% indicate poor capital deployment efficiency for a financial institution
  • ! Severe disconnect between revenue growth (31.8%) and net income growth (0.8%) signals margin compression or rising costs that eroded gains
  • ! Lack of earnings acceleration despite strong top-line growth suggests underlying profitability headwinds or one-time charges
  • ! Very low CapEx (4.7M) relative to 16.8B asset base may limit future growth investments and modernization
  • ! Limited insider activity provides no confidence signal from management regarding business quality
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
  • * Return on Equity trajectory - currently at critical 3.1%, needs >10% for financial institution credibility
  • * Net Interest Margin and operating expense ratio trends - to diagnose cause of earnings deceleration
  • * Loan loss provisions, charge-offs, and asset quality metrics - critical for credit risk assessment
  • * Earnings growth sustainability - confirm whether margin compression has stabilized or continues
ChatGPT
  • * Net interest margin (NIM)
  • * Provision for credit losses and nonperforming assets

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

Revenue
$214.6M
Net Income
$102.2M
EPS (Diluted)
$1.64
Free Cash Flow
$116.0M
Total Assets
$16.8B
Cash Position
$585.9M

💡 AI Analyst Insight

The 54.1% 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 47.6%
ROE 3.1%
ROA 0.6%
FCF Margin 54.1%

IBOC vs Finance Sector: How International Bancshares Corp. Compares

How International Bancshares Corp. compares to Finance sector averages

Net Margin
IBOC 47.6%
vs
Sector Avg 25.0%
IBOC Sector
ROE
IBOC 3.1%
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. has mixed fundamental signals relative to the Finance sector in 2026.

Return on Equity
3.1%
Sector avg: 12%
Net Profit Margin
47.6%
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
80.5%
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
54.1%
Free cash flow / Revenue

International Bancshares Corp. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$120.7M
Cash generated from operations
Stock Buybacks
$60.0K
Shares repurchased (TTM)
Capital Expenditures
$4.7M
Investment in assets
Dividends Paid
$45.4M
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
May 22, 2026 4 xslF345X06/form4-05222026_080524.xml View →
May 20, 2026 8-K tm2614341d2_8k.htm View →
May 12, 2026 8-K tm2614341d1_8k.htm View →
May 7, 2026 10-Q iboc-20260331x10q.htm View →
May 7, 2026 8-K iboc-20260507x8k.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: Strong revenue growth of 31.8% YoY indicates expanding lending portfolio and business activity. Exceptional free cash flow generation with 116M FCF and 54.1% margin demonstrates earnings quality and cash conversion. 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: Critically low ROE of 3.1% and ROA of 0.6% indicate poor capital deployment efficiency for a financial institution. Severe disconnect between revenue growth (31.8%) and net income growth (0.8%) signals margin compression or rising costs that eroded gains. 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 $214.6M.

Does IBOC pay dividends?

International Bancshares Corp. pays dividends, with $45.4M 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 $1.64.

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 May 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 3.1% (sector avg: 12%), net margin of 47.6% (sector avg: 25%). Compare these metrics with sector averages to assess valuation.

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 $120.7M, with capital expenditures of $4.7M. FCF margin is 54.1%.

How does IBOC compare to other Finance stocks?

Vs Finance sector averages: Net margin 47.6% (avg: 25%), ROE 3.1% (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: May 8, 2026 | Data as of: 2026-03-31 | Powered by Claude AI