International Bancshares Corporation (IBOC)
Financial Services
Banks - Regional
76.50 $
+0.3%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns International Bancshares Corporation (IBOC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 90.3% of the shares are freely tradable; institutional investors hold 72.0%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
72.0%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
13.1%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
90.3%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
3.3%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
62Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 10.69 | 6,645,092 | -1.0 | 03/31/2026 |
| Vanguard Group Inc | 10.00 | 6,219,187 | -1.3 | 12/31/2025 |
| Vanguard Portfolio Management, LLC | 5.47 | 3,401,609 | +0.0 | 03/31/2026 |
| American Century Companies Inc | 5.19 | 3,228,578 | +0.9 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 5.13 | 3,186,820 | +0.3 | 03/31/2026 |
| State Street Corp | 4.22 | 2,624,894 | +6.6 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.98 | 2,474,514 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 2.95 | 1,834,766 | +0.0 | 05/29/2026 |
| Vanguard Total Stock Mkt Idx Inv | 2.87 | 1,782,687 | +0.4 | 04/30/2026 |
| Avantis US Small Cap Value ETF | 2.76 | 1,715,385 | +0.1 | 05/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.