International Bancshares Corporation
International Bancshares Corporation (IBOC) Stock Splits
Forward and reverse split history, cumulative multiple, latest ratio, and share calculator on this tab.
FMP · IBOC · as of Jun 8, 2026
Key split metrics
Latest Split Event
Forward SplitStock Split History
| Date↓ | Ratio | Type | Multiple↕ | Cumulative↕ |
|---|---|---|---|---|
| May 17, 2007 | 11-for-10 | Forward | ×1.10 | ×10.24 |
| Jun 1, 2005 | 5-for-4 | Forward | ×1.25 | ×9.31 |
| Jun 1, 2004 | 5-for-4 | Forward | ×1.25 | ×7.45 |
| Jun 17, 2003 | 5-for-4 | Forward | ×1.25 | ×5.96 |
| Jun 17, 2002 | 5-for-4 | Forward | ×1.25 | ×4.77 |
| Jun 18, 2001 | 5-for-4 | Forward | ×1.25 | ×3.81 |
| Jun 13, 2000 | 5-for-4 | Forward | ×1.25 | ×3.05 |
| Jun 14, 1999 | 5-for-4 | Forward | ×1.25 | ×2.44 |
| Jun 15, 1998 | 5-for-4 | Forward | ×1.25 | ×1.95 |
| Jun 10, 1997 | 5-for-4 | Forward | ×1.25 | ×1.56 |
| Jun 10, 1996 | 5-for-4 | Forward | ×1.25 | ×1.25 |
Stock Split Calculator
If you bought 100 shares purchased of IBOC on Jan 1, 2020 — — how many shares would you hold today after all splits?
This calculator shows how stock splits affected share count only. It does not reflect current market value, dividend payments, or transaction costs. Past splits do not guarantee future performance.
About stock split history & investor guide
International Bancshares Corporation (IBOC) has split its stock 11 times since its IPO, with a cumulative multiplier of ×10.24. The most recent split was a 11-for-10 forward split on May 17, 2007.
Frequently asked questions
International Bancshares Corporation (IBOC) has split its stock 11 times. All splits were forward splits. The cumulative multiplier is ×10.24, meaning 1 share at IPO would equal 10.24 shares today.