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 |
|---|---|---|---|---|---|
| Lazard Asset Management LLC | 25,872 | $1.74M | 0.00% | +25,872 | New |
| Tudor Investment Corp Et Al | 26,272 | $1.77M | 0.01% | +26,272 | New |
| Janus Henderson Group PLC | 26,918 | $1.81M | 0.00% | +2,832+11.8% | Added |
| Quantbot Technologies LP | 29,180 | $1.96M | 0.08% | +29,180 | New |
| Brevan Howard Capital Management LP | 30,653 | $2.06M | 0.02% | +30,653 | New |
| Great West Life Assurance Co | 30,998 | $2.09M | 0.00% | +1,120+3.7% | Added |
| Nisa Investment Advisors, LLC | 31,108 | $2.09M | 0.01% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 32,000 | $2.15M | 0.00% | +32,000 | New |
| Rafferty Asset Management, LLC | 32,949 | $2.22M | 0.01% | +1,329+4.2% | Added |
| BNP Paribas Arbitrage, SA | 34,127 | $2.30M | 0.00% | +10,842+46.6% | Added |
| Harbor Capital Advisors, Inc. | 36,760 | $2.47M | 0.20% | +19,957+118.8% | Added |
| ExodusPoint Capital Management, LP | 37,223 | $2.50M | 0.02% | −32,632−46.7% | Reduced |
| Virginia Retirement Systems Et Al | 39,680 | $2.67M | 0.02% | 00.0% | Unchanged |
| Trexquant Investment LP | 40,429 | $2.72M | 0.02% | +28,256+232.1% | Added |
| Russell Investments Group, Ltd. | 40,998 | $2.76M | 0.00% | −430−1.0% | Reduced |
| Westover Capital Advisors, LLC | 42,724 | $2.87M | 0.53% | −710−1.6% | Reduced |
| Siena Capital Partners GP, LLC | 45,725 | $3.08M | 0.80% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 46,160 | $3.11M | 0.00% | −3,489−7.0% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 46,226 | $3.11M | 0.06% | +12,210+35.9% | Added |
| Citigroup Inc | 46,737 | $3.14M | 0.00% | +10,316+28.3% | Added |
| New York State Common Retirement Fund | 47,253 | $3.18M | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 47,801 | $3.22M | 0.00% | +2,284+5.0% | Added |
| Mercer Global Advisors Inc | 49,038 | $3.30M | 0.00% | +290+0.6% | Added |
| Deutsche Bank AG | 49,793 | $3.35M | 0.00% | +5,434+12.3% | Added |
| Manufacturers Life Insurance Company, The | 51,726 | $3.48M | 0.00% | −3,276−6.0% | Reduced |
| Mackenzie Financial Corp | 55,013 | $3.70M | 0.00% | +46,259+528.4% | Added |
| Vanguard Asset Management, Ltd | 55,350 | $3.72M | 0.00% | +55,350 | New |
| MetLife Investment Management | 55,530 | $3.74M | 0.02% | −474−0.8% | Reduced |
| Susquehanna International Group, LLP | 56,841 | $3.82M | 0.00% | +36,854+184.4% | Added |
| GW&K Investment Management, LLC | 57,867 | $3.89M | 0.03% | −2,224−3.7% | Reduced |
| Cresta Advisors, Ltd. | 58,563 | $3.94M | 1.61% | 00.0% | Unchanged |
| California State Teachers Retirement System | 59,608 | $4.01M | 0.00% | +8,006+15.5% | Added |
| Barclays PLC | 61,335 | $4.13M | 0.00% | −66,035−51.8% | Reduced |
| Elizabeth Park Capital Advisors, Ltd. | 62,487 | $4.20M | 3.24% | +900+1.5% | Added |
| New York State Teachers Retirement System | 64,017 | $4.31M | 0.01% | −20,920−24.6% | Reduced |
| Retirement Systems of Alabama | 66,302 | $4.46M | 0.01% | +1,394+2.1% | Added |
| Legal & General Group Plc | 71,486 | $4.81M | 0.00% | −11,579−13.9% | Reduced |
| CBOE Vest Financial, LLC | 75,115 | $5.05M | 0.06% | −13,412−15.2% | Reduced |
| Victory Capital Management Inc | 77,384 | $5.21M | 0.00% | +1,442+1.9% | Added |
| Edgestream Partners, L.P. | 80,144 | $5.39M | 0.18% | +80,144 | New |
| BW Gestao de Investimentos Ltda. | 90,000 | $6.06M | 0.27% | +20,000+28.6% | Added |
| Point72 Asset Management, L.P. | 90,186 | $6.07M | 0.01% | +54,132+150.1% | Added |
| Squarepoint Ops LLC | 93,371 | $6.28M | 0.01% | +86,682+1,295.9% | Added |
| SG Americas Securities, LLC | 102,348 | $6.89M | 0.01% | +14,781+16.9% | Added |
| UBS Asset Management Americas Inc | 107,679 | $7.25M | 0.00% | +8,316+8.4% | Added |
| Voloridge Investment Management, LLC | 108,350 | $7.29M | 0.03% | −25,499−19.1% | Reduced |
| Swiss National Bank | 110,700 | $7.45M | 0.00% | +400+0.4% | Added |
| Denali Advisors LLC | 117,217 | $7.89M | 0.88% | +5,900+5.3% | Added |
| Jane Street Group, LLC | 121,076 | $8.15M | 0.01% | +105,074+656.6% | Added |
| Principal Financial Group Inc | 121,768 | $8.19M | 0.00% | +4,493+3.8% | Added |
| Nuveen, LLC | 125,865 | $8.47M | 0.00% | +5,122+4.2% | Added |
| JPMorgan Chase & Co | 127,060 | $8.52M | 0.00% | −42,102−24.9% | Reduced |
| Eldred Rock Partners, LLC | 127,460 | $8.58M | 2.18% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 131,636 | $8.86M | 0.04% | +131,636 | New |
| Maltese Capital Management LLC | 131,739 | $8.86M | 1.75% | −12,061−8.4% | Reduced |
| CSM Advisors, LLC | 131,745 | $8.87M | 0.22% | +11,698+9.7% | Added |
| Franklin Resources Inc | 132,676 | $8.93M | 0.00% | +126,745+2,137.0% | Added |
| Citadel Advisors LLC | 135,445 | $9.11M | 0.01% | +103,845+328.6% | Added |
| HRT Financial LP | 135,520 | $9.12M | 0.02% | +135,520 | New |
| Qube Research & Technologies Ltd | 138,113 | $9.29M | 0.01% | +120,780+696.8% | Added |
| Kovack Advisors, Inc. | 140,193 | $9.51M | 0.51% | −10,400−6.9% | Reduced |
| Rhumbline Advisers | 168,247 | $11.3M | 0.01% | +1,688+1.0% | Added |
| Two Sigma Investments, LP | 168,582 | $11.3M | 0.01% | +162,090+2,496.8% | Added |
| UBS Group AG | 172,694 | $11.6M | 0.00% | +46,062+36.4% | Added |
| Bank of America Corp | 194,541 | $13.1M | 0.00% | +75,676+63.7% | Added |
| Cerity Partners LLC | 196,860 | $13.2M | 0.02% | +196,860 | New |
| Alliancebernstein L.P. | 219,967 | $14.6M | 0.00% | −54,051−19.7% | Reduced |
| Morgan Stanley | 296,181 | $19.9M | 0.00% | −4,461−1.5% | Reduced |
| Vanguard Fiduciary Trust Co | 355,996 | $24.0M | 0.01% | +355,996 | New |
| ProShare Advisors LLC | 367,119 | $24.7M | 0.04% | −135,651−27.0% | Reduced |
| Invesco Ltd. | 385,648 | $26.0M | 0.00% | +118,131+44.2% | Added |
| Panagora Asset Management Inc | 385,948 | $26.0M | 0.10% | −2,105−0.5% | Reduced |
| Bank of New York Mellon Corp | 448,252 | $30.2M | 0.01% | −3,652−0.8% | Reduced |
| Polaris Capital Management, LLC | 463,004 | $31.2M | 2.55% | −14,300−3.0% | Reduced |
| AQR Capital Management LLC | 495,866 | $33.4M | 0.02% | −5,700−1.1% | Reduced |
| Price T Rowe Associates Inc | 544,814 | $36.7M | 0.00% | +276,160+102.8% | Added |
| Northern Trust Corp | 666,974 | $44.9M | 0.01% | +20,524+3.2% | Added |
| Charles Schwab Investment Management Inc | 704,033 | $47.4M | 0.01% | −1,573,846−69.1% | Reduced |
| Millennium Management LLC | 712,435 | $47.9M | 0.04% | +158,823+28.7% | Added |
| Reinhart Partners, Inc. | 745,696 | $50.2M | 1.44% | +6,356+0.9% | Added |
| Tamar Securities, LLC | 756,940 | $50.9M | 5.46% | +18,583+2.5% | Added |
| Goldman Sachs Group Inc | 923,919 | $62.2M | 0.01% | +333,628+56.5% | Added |
| Boston Trust Walden Corp | 1,087,661 | $73.2M | 0.60% | −104,155−8.7% | Reduced |
| First Trust Advisors LP | 1,137,572 | $76.5M | 0.05% | −226,576−16.6% | Reduced |
| T. Rowe Price Investment Management, Inc. | 1,162,482 | $78.2M | 0.05% | +70,933+6.5% | Added |
| Azora Capital LP | 1,312,674 | $88.3M | 5.81% | −211,671−13.9% | Reduced |
| Geode Capital Management, LLC | 1,490,897 | $100.3M | 0.01% | +55,426+3.9% | Added |
| Vanguard Capital Management LLC | 2,474,514 | $166.5M | 0.00% | +2,474,514 | New |
| State Street Corp | 2,624,894 | $176.6M | 0.01% | +161,883+6.6% | Added |
| Dimensional Fund Advisors LP | 3,186,820 | $214.4M | 0.04% | +9,468+0.3% | Added |
| American Century Companies Inc | 3,228,578 | $217.3M | 0.11% | +30,173+0.9% | Added |
| Vanguard Portfolio Management LLC | 3,401,609 | $228.9M | 0.01% | +3,401,609 | New |
| BlackRock, Inc. | 6,645,092 | $447.1M | 0.01% | −64,835−1.0% | Reduced |
| Orion Investment Co | 5,610 | – | – | 00.0% | Unchanged |
| SOL Capital Management CO | 0 | $0 | 0.00% | −200,265−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −60,798−100.0% | Sold out |
| Mirae Asset Global Investments Co., Ltd. | 0 | $0 | 0.00% | −48,894−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −22,500−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −20,851−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −14,623−100.0% | Sold out |