International Bancshares Corp
IBOC- Exchange
- Nasdaq
- Industry
- State Commercial Banks
- SEC CIK
- 0000315709
No open-market purchases or sales by International Bancshares Corp insiders were filed in the last 90 days; 301 institutions reported holding it in 13F filings for Q2 2026, worth $3.36B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in International Bancshares Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 294
- +34 vs. Q4 2025
- Shares held
- 42.9M
- +6.48M (+17.8%) vs. Q4 2025
- Total value
- $2.89B
- +$467.0M (+19.3%) vs. Q4 2025
- New holders
- 52
- 115 more added
- Sold out
- 18
- 76 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IBOC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 301 | $3.36B |
| Q1 2026 | 294 | $2.89B |
| Q4 2025 | 266 | $2.89B |
| Q3 2025 | 254 | $2.90B |
| Q2 2025 | 255 | $2.84B |
| Q1 2025 | 251 | $2.67B |
| Q4 2024 | 242 | $2.65B |
| Q3 2024 | 235 | $2.46B |
| Q2 2024 | 209 | $2.41B |
| Q1 2024 | 198 | $2.45B |
| Q4 2023 | 200 | $2.22B |
| Q3 2023 | 185 | $1.76B |
| Q2 2023 | 191 | $1.80B |
| Q1 2023 | 187 | $1.76B |
| Q4 2022 | 195 | $1.89B |
| Q3 2022 | 174 | $1.75B |
| Q2 2022 | 178 | $1.68B |
| Q1 2022 | 200 | $1.79B |
| Q4 2021 | 182 | $1.70B |
| Q3 2021 | 189 | $1.67B |
| Q2 2021 | 184 | $1.74B |
| Q1 2021 | 179 | $1.85B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding International Bancshares Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6,645,092 | $447.1M | 0.01% | −64,835−1.0% | Reduced |
| Vanguard Portfolio Management LLC | 3,401,609 | $228.9M | 0.01% | +3,401,609 | New |
| American Century Companies Inc | 3,228,578 | $217.3M | 0.11% | +30,173+0.9% | Added |
| Dimensional Fund Advisors LP | 3,186,820 | $214.4M | 0.04% | +9,468+0.3% | Added |
| State Street Corp | 2,624,894 | $176.6M | 0.01% | +161,883+6.6% | Added |
| Vanguard Capital Management LLC | 2,474,514 | $166.5M | 0.00% | +2,474,514 | New |
| Geode Capital Management, LLC | 1,490,897 | $100.3M | 0.01% | +55,426+3.9% | Added |
| Azora Capital LP | 1,312,674 | $88.3M | 5.81% | −211,671−13.9% | Reduced |
| T. Rowe Price Investment Management, Inc. | 1,162,482 | $78.2M | 0.05% | +70,933+6.5% | Added |
| First Trust Advisors LP | 1,137,572 | $76.5M | 0.05% | −226,576−16.6% | Reduced |
| Boston Trust Walden Corp | 1,087,661 | $73.2M | 0.60% | −104,155−8.7% | Reduced |
| Goldman Sachs Group Inc | 923,919 | $62.2M | 0.01% | +333,628+56.5% | Added |
| Tamar Securities, LLC | 756,940 | $50.9M | 5.46% | +18,583+2.5% | Added |
| Reinhart Partners, Inc. | 745,696 | $50.2M | 1.44% | +6,356+0.9% | Added |
| Millennium Management LLC | 712,435 | $47.9M | 0.04% | +158,823+28.7% | Added |
| Charles Schwab Investment Management Inc | 704,033 | $47.4M | 0.01% | −1,573,846−69.1% | Reduced |
| Northern Trust Corp | 666,974 | $44.9M | 0.01% | +20,524+3.2% | Added |
| Price T Rowe Associates Inc | 544,814 | $36.7M | 0.00% | +276,160+102.8% | Added |
| AQR Capital Management LLC | 495,866 | $33.4M | 0.02% | −5,700−1.1% | Reduced |
| Polaris Capital Management, LLC | 463,004 | $31.2M | 2.55% | −14,300−3.0% | Reduced |
| Bank of New York Mellon Corp | 448,252 | $30.2M | 0.01% | −3,652−0.8% | Reduced |
| Panagora Asset Management Inc | 385,948 | $26.0M | 0.10% | −2,105−0.5% | Reduced |
| Invesco Ltd. | 385,648 | $26.0M | 0.00% | +118,131+44.2% | Added |
| ProShare Advisors LLC | 367,119 | $24.7M | 0.04% | −135,651−27.0% | Reduced |
| Vanguard Fiduciary Trust Co | 355,996 | $24.0M | 0.01% | +355,996 | New |
| Morgan Stanley | 296,181 | $19.9M | 0.00% | −4,461−1.5% | Reduced |
| Alliancebernstein L.P. | 219,967 | $14.6M | 0.00% | −54,051−19.7% | Reduced |
| Cerity Partners LLC | 196,860 | $13.2M | 0.02% | +196,860 | New |
| Bank of America Corp | 194,541 | $13.1M | 0.00% | +75,676+63.7% | Added |
| UBS Group AG | 172,694 | $11.6M | 0.00% | +46,062+36.4% | Added |
| Two Sigma Investments, LP | 168,582 | $11.3M | 0.01% | +162,090+2,496.8% | Added |
| Rhumbline Advisers | 168,247 | $11.3M | 0.01% | +1,688+1.0% | Added |
| Kovack Advisors, Inc. | 140,193 | $9.51M | 0.51% | −10,400−6.9% | Reduced |
| Qube Research & Technologies Ltd | 138,113 | $9.29M | 0.01% | +120,780+696.8% | Added |
| HRT Financial LP | 135,520 | $9.12M | 0.02% | +135,520 | New |
| Citadel Advisors LLC | 135,445 | $9.11M | 0.01% | +103,845+328.6% | Added |
| Franklin Resources Inc | 132,676 | $8.93M | 0.00% | +126,745+2,137.0% | Added |
| CSM Advisors, LLC | 131,745 | $8.87M | 0.22% | +11,698+9.7% | Added |
| Maltese Capital Management LLC | 131,739 | $8.86M | 1.75% | −12,061−8.4% | Reduced |
| Bridgewater Associates, LP | 131,636 | $8.86M | 0.04% | +131,636 | New |
| Eldred Rock Partners, LLC | 127,460 | $8.58M | 2.18% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 127,060 | $8.52M | 0.00% | −42,102−24.9% | Reduced |
| Nuveen, LLC | 125,865 | $8.47M | 0.00% | +5,122+4.2% | Added |
| Principal Financial Group Inc | 121,768 | $8.19M | 0.00% | +4,493+3.8% | Added |
| Jane Street Group, LLC | 121,076 | $8.15M | 0.01% | +105,074+656.6% | Added |
| Denali Advisors LLC | 117,217 | $7.89M | 0.88% | +5,900+5.3% | Added |
| Swiss National Bank | 110,700 | $7.45M | 0.00% | +400+0.4% | Added |
| Voloridge Investment Management, LLC | 108,350 | $7.29M | 0.03% | −25,499−19.1% | Reduced |
| UBS Asset Management Americas Inc | 107,679 | $7.25M | 0.00% | +8,316+8.4% | Added |
| SG Americas Securities, LLC | 102,348 | $6.89M | 0.01% | +14,781+16.9% | Added |
| Squarepoint Ops LLC | 93,371 | $6.28M | 0.01% | +86,682+1,295.9% | Added |
| Point72 Asset Management, L.P. | 90,186 | $6.07M | 0.01% | +54,132+150.1% | Added |
| BW Gestao de Investimentos Ltda. | 90,000 | $6.06M | 0.27% | +20,000+28.6% | Added |
| Edgestream Partners, L.P. | 80,144 | $5.39M | 0.18% | +80,144 | New |
| Victory Capital Management Inc | 77,384 | $5.21M | 0.00% | +1,442+1.9% | Added |
| CBOE Vest Financial, LLC | 75,115 | $5.05M | 0.06% | −13,412−15.2% | Reduced |
| Legal & General Group Plc | 71,486 | $4.81M | 0.00% | −11,579−13.9% | Reduced |
| Retirement Systems of Alabama | 66,302 | $4.46M | 0.01% | +1,394+2.1% | Added |
| New York State Teachers Retirement System | 64,017 | $4.31M | 0.01% | −20,920−24.6% | Reduced |
| Elizabeth Park Capital Advisors, Ltd. | 62,487 | $4.20M | 3.24% | +900+1.5% | Added |
| Barclays PLC | 61,335 | $4.13M | 0.00% | −66,035−51.8% | Reduced |
| California State Teachers Retirement System | 59,608 | $4.01M | 0.00% | +8,006+15.5% | Added |
| Cresta Advisors, Ltd. | 58,563 | $3.94M | 1.61% | 00.0% | Unchanged |
| GW&K Investment Management, LLC | 57,867 | $3.89M | 0.03% | −2,224−3.7% | Reduced |
| Susquehanna International Group, LLP | 56,841 | $3.82M | 0.00% | +36,854+184.4% | Added |
| MetLife Investment Management | 55,530 | $3.74M | 0.02% | −474−0.8% | Reduced |
| Vanguard Asset Management, Ltd | 55,350 | $3.72M | 0.00% | +55,350 | New |
| Mackenzie Financial Corp | 55,013 | $3.70M | 0.00% | +46,259+528.4% | Added |
| Manufacturers Life Insurance Company, The | 51,726 | $3.48M | 0.00% | −3,276−6.0% | Reduced |
| Deutsche Bank AG | 49,793 | $3.35M | 0.00% | +5,434+12.3% | Added |
| Mercer Global Advisors Inc | 49,038 | $3.30M | 0.00% | +290+0.6% | Added |
| Commonwealth Equity Services, LLC | 47,801 | $3.22M | 0.00% | +2,284+5.0% | Added |
| New York State Common Retirement Fund | 47,253 | $3.18M | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 46,737 | $3.14M | 0.00% | +10,316+28.3% | Added |
| Y-Intercept (Hong Kong) Ltd | 46,226 | $3.11M | 0.06% | +12,210+35.9% | Added |
| Ameriprise Financial Inc | 46,160 | $3.11M | 0.00% | −3,489−7.0% | Reduced |
| Siena Capital Partners GP, LLC | 45,725 | $3.08M | 0.80% | 00.0% | Unchanged |
| Westover Capital Advisors, LLC | 42,724 | $2.87M | 0.53% | −710−1.6% | Reduced |
| Russell Investments Group, Ltd. | 40,998 | $2.76M | 0.00% | −430−1.0% | Reduced |
| Trexquant Investment LP | 40,429 | $2.72M | 0.02% | +28,256+232.1% | Added |
| Virginia Retirement Systems Et Al | 39,680 | $2.67M | 0.02% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 37,223 | $2.50M | 0.02% | −32,632−46.7% | Reduced |
| Harbor Capital Advisors, Inc. | 36,760 | $2.47M | 0.20% | +19,957+118.8% | Added |
| BNP Paribas Arbitrage, SA | 34,127 | $2.30M | 0.00% | +10,842+46.6% | Added |
| Rafferty Asset Management, LLC | 32,949 | $2.22M | 0.01% | +1,329+4.2% | Added |
| D. E. Shaw & Co., Inc. | 32,000 | $2.15M | 0.00% | +32,000 | New |
| Nisa Investment Advisors, LLC | 31,108 | $2.09M | 0.01% | 00.0% | Unchanged |
| Great West Life Assurance Co | 30,998 | $2.09M | 0.00% | +1,120+3.7% | Added |
| Brevan Howard Capital Management LP | 30,653 | $2.06M | 0.02% | +30,653 | New |
| Quantbot Technologies LP | 29,180 | $1.96M | 0.08% | +29,180 | New |
| Janus Henderson Group PLC | 26,918 | $1.81M | 0.00% | +2,832+11.8% | Added |
| Tudor Investment Corp Et Al | 26,272 | $1.77M | 0.01% | +26,272 | New |
| Lazard Asset Management LLC | 25,872 | $1.74M | 0.00% | +25,872 | New |
| Quantinno Capital Management LP | 25,633 | $1.72M | 0.00% | +324+1.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 25,587 | $1.72M | 0.00% | +237+0.9% | Added |
| Diversified Trust Co | 24,876 | $1.67M | 0.03% | +2,730+12.3% | Added |
| Vanguard Global Advisers, LLC | 24,517 | $1.65M | 0.00% | +24,517 | New |
| Amalgamated Bank | 23,396 | $1.57M | 0.01% | +608+2.7% | Added |
| Prudential Financial Inc | 23,238 | $1.56M | 0.00% | +5,200+28.8% | Added |
| Skopos Labs, Inc. | 23,081 | $1.55M | 0.05% | +19,951+637.4% | Added |