International Bancshares (IBOC) has wrapped up FY 2025 with fourth quarter total revenue of US$212.2 million and basic EPS of US$1.72, supported by trailing 12 month revenue of US$827.1 million and EPS of US$6.63. Over recent periods, total revenue has ranged from US$194.9 million in Q1 2025 to US$216.3 million in Q3 2025, while quarterly basic EPS has moved between US$1.56 and US$1.85 as investors track how these earnings feed into the trailing net profit margin of 49.8%. With that margin only slightly below last year’s 51%, the focus now is on how this profitability profile lines up with the perceived rewards around growth and income.

See our full analysis for International Bancshares.

With the headline numbers set, the next step is to see how this earnings run rate compares with the widely shared narratives about International Bancshares, highlighting where the numbers support those views and where they start to push back.

49.8% margin with slower 0.8% earnings growth

• Trailing 12 month net profit margin sits at 49.8%, slightly below the prior 51% level. Earnings growth over the same period was 0.8% compared with a 16.1% per year average over the last five years, so profitability is high but growth has been much slower recently.
• What stands out for a more bullish angle is that high margins and a long run 16.1% per year earnings growth record sit alongside this softer 0.8% recent earnings growth, which means:
  • Bulls who highlight the long term earnings profile can point to the 49.8% margin as support, even though the latest year is below that 16.1% pace.
  • At the same time, the gap between 0.8% and 16.1% gives cautious investors a concrete number to question how repeatable the past growth pattern really is.

Loan book rises to US$9.5b while problem loans ease

• Total loans reached about US$9.5b at FY 2025 Q4, up from US$8.8b at FY 2024 Q4. Non performing loans moved from US$169.1 million to US$140.3 million over the same comparison, so the loan book is larger with fewer problem loans on these figures.
• For a more cautious, bearish take, critics may question how much comfort to take from this when overall earnings growth has slowed to 0.8%, which means:
  • The shift in non performing loans from US$169.1 million to US$140.3 million sits alongside only modest year over year earnings growth, so bears can argue credit quality alone is not translating into faster profit growth.
  • With trailing net income at US$412.3 million on the latest 12 month view, the stock still needs to show whether this larger US$9.5b loan base supports more than the current slower growth pace.

P/E of 11x and DCF fair value of US$143.11

• At a share price of US$73.26, the trailing P/E of about 11x is below the US Banks industry average of 11.5x and the peer average of 21.9x. The DCF fair value of US$143.11 and a 1.99% dividend yield present a different angle on how the stock is priced.
• Supporters with a bullish tilt often point to this gap between price and valuation signals, which here looks like:
  • A DCF fair value of US$143.11 versus a market price of US$73.26 and a P/E that is lower than industry and peer multiples, which heavily supports the bullish view that the stock is priced below these valuation markers.
  • The 1.99% dividend yield, alongside trailing net income of US$412.3 million, gives income and profitability context that bullish investors use to argue the current valuation does not fully reflect those trailing results.

Bulls and skeptics are reading the same P/E, DCF fair value and dividend numbers very differently right now, so it is worth seeing how that debate is framed in the latest community bull and bear cases for International Bancshares See what the community is saying about International Bancshares.

Next Steps

Don't just look at this quarter; the real story is in the long-term trend. We've done an in-depth analysis on International Bancshares's growth and its valuation to see if today's price is a bargain. Add the company to your watchlist or portfolio now so you don't miss the next big move.

If the mix of strong margins, slower earnings growth and valuation gaps leaves you unsure, it helps to see the full picture yourself and decide where you stand. Take a closer look at the company’s potential by checking the 3 key rewards

See What Else Is Out There

International Bancshares combines a high 49.8% margin with only 0.8% earnings growth and a lower P/E, which raises questions about how dependable its growth profile is.

If that mix of slower earnings momentum and valuation questions makes you hesitant to commit, use the 51 high quality undervalued stocks to quickly spot other companies where current pricing and fundamentals line up more convincingly with your expectations.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.