IBOC International Bancshares Corp.
International Bancshares Corp. (IBOC) Institutional Ownership
What the institutions did with IBOC last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 7.0M | 15.9% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.4M | 7.6% |
| DIMENSIONAL FUND ADVISORS LP | 3.3M | 7.4% |
| AMERICAN CENTURY COMPANIES INC | 3.1M | 7.1% |
| STATE STREET CORP | 2.8M | 6.3% |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.5M | 5.6% |
| GEODE CAPITAL MANAGEMENT, LLC | 1.6M | 3.6% |
| Boston Trust Walden Corp | 1.3M | 3.0% |
| T. Rowe Price Investment Management, Inc. | 1.2M | 2.6% |
| GOLDMAN SACHS GROUP INC | 1.0M | 2.3% |
| Azora Capital LP | 885.8K | 2.0% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 839.9K | 1.9% |
| FIRST TRUST ADVISORS LP | 820.8K | 1.9% |
| NORTHERN TRUST CORP | 750.9K | 1.7% |
| REINHART PARTNERS, LLC. | 749.8K | 1.7% |
| Tamar Securities, LLC | 721.2K | 1.6% |
| NORGES BANK | 700.4K | 1.6% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 694.6K | 1.6% |
| MILLENNIUM MANAGEMENT LLC | 650.8K | 1.5% |
| AQR CAPITAL MANAGEMENT LLC | 587.6K | 1.3% |
| Bank of New York Mellon Corp | 436.7K | 1.0% |
| PANAGORA ASSET MANAGEMENT INC | 423.3K | 1.0% |
| ProShare Advisors LLC | 377.6K | 0.9% |
| VANGUARD FIDUCIARY TRUST CO | 365.9K | 0.8% |
| Polaris Capital Management, LLC | 321.1K | 0.7% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| Azora Capital LP | Reduced | 1.3M | 885.8K | -426.9K |
| BlackRock, Inc. | Increased | 6.6M | 7.0M | +403.1K |
| FIRST TRUST ADVISORS LP | Reduced | 1.1M | 820.8K | -316.7K |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 544.8K | 839.9K | +295.0K |
| Boston Trust Walden Corp | Increased | 1.1M | 1.3M | +218.9K |
| Walleye Capital LLC | New | 0 | 200.8K | +200.8K |
| STATE STREET CORP | Increased | 2.6M | 2.8M | +185.9K |
| MACKENZIE FINANCIAL CORP | Increased | 55.0K | 233.8K | +178.8K |
| Polaris Capital Management, LLC | Reduced | 463.0K | 321.1K | -141.9K |
| TWO SIGMA INVESTMENTS, LP | Increased | 168.6K | 306.8K | +138.3K |
| Qube Research & Technologies Ltd | Sold Out | 138.1K | 0 | -138.1K |
| HRT FINANCIAL LP | Sold Out | 135.5K | 0 | -135.5K |
| JANE STREET GROUP, LLC | Reduced | 121.1K | 3.8K | -117.3K |
| BANK OF AMERICA CORP /DE/ | Increased | 194.5K | 311.1K | +116.5K |
| GOLDMAN SACHS GROUP INC | Increased | 923.9K | 1.0M | +111.8K |
| AMERICAN CENTURY COMPANIES INC | Reduced | 3.2M | 3.1M | -100.2K |
| Nuveen, LLC | Increased | 125.9K | 219.3K | +93.5K |
| AQR CAPITAL MANAGEMENT LLC | Increased | 495.9K | 587.6K | +91.7K |
| BW Gestao de Investimentos Ltda. | Sold Out | 90.0K | 0 | -90.0K |
| Invesco Ltd. | Reduced | 385.6K | 298.1K | -87.6K |
| NORTHERN TRUST CORP | Increased | 667.0K | 750.9K | +83.9K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.5M | 1.6M | +82.5K |
| DIMENSIONAL FUND ADVISORS LP | Increased | 3.2M | 3.3M | +71.8K |
| UBS Group AG | Increased | 172.7K | 237.1K | +64.4K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Increased | 8.2K | 71.4K | +63.2K |
| MILLENNIUM MANAGEMENT LLC | Reduced | 712.4K | 650.8K | -61.7K |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | Reduced | 108.4K | 46.9K | -61.4K |
| D. E. Shaw & Co., Inc. | Increased | 32.0K | 91.7K | +59.7K |
| Schonfeld Strategic Advisors LLC | Increased | 6.7K | 63.5K | +56.8K |
| Edgestream Partners, L.P. | Reduced | 80.1K | 24.1K | -56.0K |
| SG Americas Securities, LLC | Reduced | 102.3K | 47.7K | -54.7K |
| CITADEL ADVISORS LLC | Reduced | 135.4K | 81.7K | -53.7K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 3.4M | 3.4M | -51.4K |
| Squarepoint Ops LLC | Reduced | 93.4K | 45.0K | -48.4K |
| Point72 Asset Management, L.P. | Reduced | 90.2K | 43.9K | -46.3K |
| Jump Financial, LLC | Increased | 9.5K | 50.3K | +40.8K |
| PANAGORA ASSET MANAGEMENT INC | Increased | 385.9K | 423.3K | +37.3K |
| BARCLAYS PLC | Reduced | 61.3K | 24.7K | -36.7K |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | New | 0 | 36.1K | +36.1K |
| Tamar Securities, LLC | Reduced | 756.9K | 721.2K | -35.7K |
| CSM Advisors, LLC | Increased | 131.7K | 165.5K | +33.8K |
| CAPITAL FUND MANAGEMENT S.A. | New | 0 | 33.3K | +33.3K |
| HSBC HOLDINGS PLC | New | 0 | 31.8K | +31.8K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 56.8K | 25.3K | -31.6K |
| WELLS FARGO & COMPANY/MN | Increased | 21.1K | 52.4K | +31.3K |
| Trexquant Investment LP | Reduced | 40.4K | 9.4K | -31.0K |
| Allianz Asset Management GmbH | New | 0 | 28.6K | +28.6K |
| Brevan Howard Capital Management LP | Reduced | 30.7K | 2.8K | -27.9K |
| ExodusPoint Capital Management, LP | Reduced | 37.2K | 11.8K | -25.5K |
| Engineers Gate Manager LP | Increased | 19.0K | 44.1K | +25.1K |
| North Reef Capital Management LP | New | 0 | 25.0K | +25.0K |
| Vest Financial, LLC | Reduced | 75.1K | 50.5K | -24.6K |
| Campbell & CO Investment Adviser LLC | Increased | 3.5K | 28.0K | +24.5K |
| Horizon Investments, LLC | Increased | 11.8K | 34.1K | +22.3K |
| OCCUDO QUANTITATIVE STRATEGIES LP | Increased | 3.8K | 25.8K | +21.9K |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 2.5M | 2.5M | +21.4K |
| Susquehanna Portfolio Strategies, LLC | Sold Out | 21.2K | 0 | -21.2K |
| Weiss Asset Management LP | Sold Out | 21.1K | 0 | -21.1K |
| Headlands Technologies LLC | New | 0 | 20.5K | +20.5K |
| Holocene Advisors, LP | Increased | 14.6K | 33.4K | +18.8K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.