Who Owns INTERNATIONAL BANCSHARES COR (IBOC)? -- Institutional Holders (2026-06-30)
320 institutions reported holding $3.40B of INTERNATIONAL BANCSHARES COR (IBOC) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($535.3M), VANGUARD GROUP INC ($479.1M), DIMENSIONAL FUND ADVISORS LP ($247.5M), AMERICAN CENTURY COMPANIES INC ($237.6M), STATE STREET CORP ($213.5M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $535.3M | 7.0M | Added |
| 2 | VANGUARD GROUP INC | $479.1M | 6.3M | Trimmed |
| 3 | DIMENSIONAL FUND ADVISORS LP | $247.5M | 3.3M | Added |
| 4 | AMERICAN CENTURY COMPANIES INC | $237.6M | 3.1M | Trimmed |
| 5 | STATE STREET CORP | $213.5M | 2.8M | Added |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $119.5M | 1.6M | Added |
| 7 | Boston Trust Walden Corp | $99.2M | 1.3M | Added |
| 8 | T. Rowe Price Investment Management, Inc. | $88.2M | 1.2M | Trimmed |
| 9 | GOLDMAN SACHS GROUP INC | $78.7M | 1.0M | Added |
| 10 | Azora Capital LP | $67.3M | 885,768 | Trimmed |
| 11 | PRICE T ROWE ASSOCIATES INC /MD/ | $63.8M | 839,850 | Added |
| 12 | FIRST TRUST ADVISORS LP | $62.3M | 820,840 | Trimmed |
| 13 | NORTHERN TRUST CORP | $57.0M | 750,864 | Added |
| 14 | REINHART PARTNERS, LLC. | $56.9M | 749,761 | Added |
| 15 | Tamar Securities, LLC | $54.8M | 721,211 | Trimmed |
| 16 | NORGES BANK | $53.2M | 700,374 | Added |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $52.8M | 694,616 | Trimmed |
| 18 | Sixth Street Partners Management Company, L.P. | $52.8M | 694,616 | New |
| 19 | MILLENNIUM MANAGEMENT LLC | $49.4M | 650,775 | Trimmed |
| 20 | AQR CAPITAL MANAGEMENT LLC | $44.6M | 587,610 | Added |
| 21 | Bank of New York Mellon Corp | $33.2M | 436,744 | Trimmed |
| 22 | PANAGORA ASSET MANAGEMENT INC | $32.1M | 423,256 | Added |
| 23 | ProShare Advisors LLC | $28.7M | 377,605 | Added |
| 24 | Polaris Capital Management, LLC | $24.4M | 321,100 | Trimmed |
| 25 | BANK OF AMERICA CORP /DE/ | $23.6M | 311,061 | Added |
Source: SEC Form 13F filings · as of 2026-06-30