International Bancshares Corp (IBOC) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for IBOC. 13F holdings as of 2026-03-31.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 6,645,092 | $447M | DECREASED |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3,401,609 | $229M | NEW |
| AMERICAN CENTURY COMPANIES INC | 3,228,578 | $217M | INCREASED |
| DIMENSIONAL FUND ADVISORS LP | 3,186,820 | $214M | INCREASED |
| STATE STREET CORP | 2,624,894 | $177M | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Larry A Norton (Director) | SELL | 10,000 | $720K | 2026-05-21 |
Full institutional holdings, insider history, and congressional trades for International Bancshares Corp on SentiSense.