Who owns INTERNATIONAL BANCSHARES CORP?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of IBOC from SEC Form 13F filings across 299 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 299 institutions disclosed 44.2M shares of INTERNATIONAL BANCSHARES CORP worth $3.36B — about 71.1% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
299
13F holders
$3.36B
value, 2026 filers
71.1%
of shares outstanding (44.2M sh)
43
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of IBOC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 7.0M | $535.3M | 0.0% | 11.3% | +6.1% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.4M | $254.4M | 0.0% | 5.4% | -1.5% |
| 3 | DIMENSIONAL FUND ADVISORS LP | 3.3M | $247.5M | 0.0% | 5.2% | +2.3% |
| 4 | AMERICAN CENTURY COMPANIES INC | 3.1M | $237.6M | 0.1% | 5% | -3.1% |
| 5 | STATE STREET CORP | 2.8M | $213.5M | 0.0% | 4.5% | +7.1% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2.5M | $189.6M | 0.0% | 4% | +0.9% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 1.6M | $119.5M | 0.0% | 2.5% | +5.5% |
| 8 | Boston Trust Walden Corp | 1.3M | $99.2M | 0.8% | 2.1% | +20.1% |
| 9 | T. Rowe Price Investment Management, Inc. | 1.2M | $88.2M | 0.1% | 1.9% | -0.1% |
| 10 | GOLDMAN SACHS GROUP INC | 1.0M | $78.7M | 0.0% | 1.7% | +12.1% |
| 11 | Azora Capital LP | 885,768 | $67.3M | 2.8% | 1.4% | -32.5% |
| 12 | PRICE T ROWE ASSOCIATES INC /MD/ | 839,850 | $63.8M | 0.0% | 1.4% | +54.2% |
| 13 | FIRST TRUST ADVISORS LP | 820,840 | $62.3M | 0.0% | 1.3% | -27.8% |
| 14 | NORTHERN TRUST CORP | 750,864 | $57.0M | 0.0% | 1.2% | +12.6% |
| 15 | REINHART PARTNERS, LLC. | 749,761 | $56.9M | 1.3% | 1.2% | +0.5% |
| 16 | Tamar Securities, LLC | 721,211 | $54.8M | 5.1% | 1.2% | -4.7% |
| 17 | NORGES BANKNEW | 700,374 | $53.2M | 0.0% | 1.1% | new |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 694,616 | $52.8M | 0.0% | 1.1% | -1.3% |
| 19 | MILLENNIUM MANAGEMENT LLC | 650,775 | $49.4M | 0.0% | 1% | -8.7% |
| 20 | AQR CAPITAL MANAGEMENT LLC | 587,610 | $44.6M | 0.0% | 0.9% | +18.5% |
| 21 | Bank of New York Mellon Corp | 436,744 | $33.2M | 0.0% | 0.7% | -2.6% |
| 22 | PANAGORA ASSET MANAGEMENT INC | 423,256 | $32.1M | 0.1% | 0.7% | +9.7% |
| 23 | ProShare Advisors LLC | 377,605 | $28.7M | 0.0% | 0.6% | +2.9% |
| 24 | VANGUARD FIDUCIARY TRUST CO | 365,865 | $27.8M | 0.0% | 0.6% | +2.8% |
| 25 | Polaris Capital Management, LLC | 321,100 | $24.4M | 2.3% | 0.5% | -30.6% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.