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 |
|---|---|---|---|---|---|
| Cambridge Investment Research Advisors, Inc. | 3,665 | $247.0K | 0.00% | +161+4.6% | Added |
| Capstone Investment Advisors, LLC | 3,688 | $248.2K | 0.00% | −100−2.6% | Reduced |
| Prime Capital Investment Advisors, LLC | 3,784 | $254.6K | 0.00% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 3,818 | $256.9K | 0.00% | 00.0% | Unchanged |
| Securian Asset Management, Inc | 3,935 | $264.8K | 0.01% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 3,966 | $266.9K | 0.03% | +3,966 | New |
| Linscomb & Williams, Inc. | 4,077 | $274.3K | 0.01% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 3,835 | $275.1K | 0.01% | +197+5.4% | Added |
| United Capital Financial Advisers, LLC | 4,159 | $279.9K | 0.00% | +4,159 | New |
| Federated Hermes, Inc. | 4,299 | $289.3K | 0.00% | −516−10.7% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 4,343 | $292.2K | 0.00% | −10.0% | Reduced |
| Numerai GP LLC | 4,512 | $303.6K | 0.03% | +4,512 | New |
| Catalyst Funds Management Pty Ltd | 4,656 | $313.3K | 0.05% | +4,656 | New |
| JustInvest LLC | 4,848 | $326.2K | 0.00% | +314+6.9% | Added |
| Teacher Retirement System of Texas | 4,873 | $327.9K | 0.00% | −10,535−68.4% | Reduced |
| Canada Pension Plan Investment Board | 5,000 | $336.4K | 0.00% | 00.0% | Unchanged |
| Man Group plc | 5,164 | $347.5K | 0.00% | 00.0% | Unchanged |
| Oppenheimer Asset Management Inc. | 5,209 | $350.5K | 0.00% | +161+3.2% | Added |
| STRS Ohio | 5,800 | $390.3K | 0.00% | −400−6.5% | Reduced |
| Tower Research Capital LLC (TRC) | 5,962 | $401.2K | 0.01% | +2,523+73.4% | Added |
| FMR LLC | 6,043 | $406.6K | 0.00% | −1,498−19.9% | Reduced |
| Callahan Advisors, LLC | 6,050 | $407.1K | 0.03% | −3,207−34.6% | Reduced |
| Pacer Advisors, Inc. | 6,230 | $419.0K | 0.00% | −240−3.7% | Reduced |
| Inceptionr LLC | 6,508 | $437.9K | 0.11% | +6,508 | New |
| CI Private Wealth, LLC | 6,668 | $448.7K | 0.00% | −43−0.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 6,684 | $449.8K | 0.00% | +3,436+105.8% | Added |
| SEI Investments Co | 6,843 | $460.5K | 0.00% | +1,505+28.2% | Added |
| Capital Advisors Inc | 6,992 | $470.5K | 0.01% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 7,040 | $473.7K | 0.00% | +95+1.4% | Added |
| Alps Advisors Inc | 7,336 | $493.6K | 0.00% | +810+12.4% | Added |
| Janney Montgomery Scott LLC | 7,601 | $511.0K | 0.00% | +168+2.3% | Added |
| CWM Advisors, LLC | 7,621 | $512.8K | 0.03% | +603+8.6% | Added |
| Amundi | 7,673 | $516.3K | 0.00% | +7,673 | New |
| Pictet Asset Management Holding SA | 7,713 | $519.0K | 0.00% | −72−0.9% | Reduced |
| Xponance, Inc. | 7,740 | $520.8K | 0.00% | +1,116+16.8% | Added |
| Icon Wealth Advisors, LLC | 7,488 | $532.8K | 0.03% | 00.0% | Unchanged |
| Bank of Montreal | 8,027 | $540.1K | 0.00% | −315−3.8% | Reduced |
| State of Alaska, Department of Revenue | 8,126 | $546.0K | 0.01% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 8,158 | $549.0K | 0.00% | +999+14.0% | Added |
| State of Wisconsin Investment Board | 9,094 | $611.9K | 0.00% | −9,201−50.3% | Reduced |
| Royal Bank of Canada | 9,302 | $626.0K | 0.00% | +959+11.5% | Added |
| Jump Financial, LLC | 9,523 | $640.8K | 0.01% | +9,523 | New |
| ISAM Funds (UK) Ltd | 9,543 | $642.1K | 0.32% | +757+8.6% | Added |
| Entropy Technologies, LP | 9,937 | $668.7K | 0.03% | +5,859+143.7% | Added |
| Convergence Financial, LLC | 10,282 | $691.9K | 0.07% | +10,282 | New |
| U.S. Capital Wealth Advisors, LLC | 10,555 | $710.3K | 0.02% | +10.0% | Added |
| New Mexico Educational Retirement Board | 10,800 | $727.0K | 0.02% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 11,102 | $747.1K | 0.01% | +300+2.8% | Added |
| Pathstone Holdings, LLC | 11,141 | $749.7K | 0.00% | +884+8.6% | Added |
| Horizon Investments, LLC | 11,807 | $794.5K | 0.01% | −8,651−42.3% | Reduced |
| Jain Global LLC | 12,097 | $814.0K | 0.01% | +12,097 | New |
| Northwestern Mutual Investment Management Company, LLC | 12,116 | $815.3K | 0.01% | +15+0.1% | Added |
| Thrivent Financial for Lutherans | 12,285 | $827.0K | 0.00% | +7+0.1% | Added |
| KLP Kapitalforvaltning AS | 12,300 | $827.7K | 0.00% | +300+2.5% | Added |
| Fifth Third Bancorp | 12,559 | $845.1K | 0.00% | +12,069+2,463.1% | Added |
| Aquatic Capital Management LLC | 12,606 | $848.3K | 0.02% | +11,715+1,314.8% | Added |
| State of Michigan Retirement System | 13,012 | $875.6K | 0.00% | +200+1.6% | Added |
| Exencial Wealth Advisors, LLC | 13,102 | $881.6K | 0.03% | −1,386−9.6% | Reduced |
| Virtu Financial LLC | 13,213 | $889.0K | 0.04% | +13,213 | New |
| Handelsbanken Fonder AB | 13,502 | $909.0K | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,551 | $911.8K | 0.00% | +17+0.1% | Added |
| XTX Topco Ltd | 13,988 | $941.3K | 0.02% | +13,988 | New |
| Ameritas Investment Partners, Inc. | 14,341 | $965.0K | 0.03% | 00.0% | Unchanged |
| Holocene Advisors, LP | 14,588 | $981.6K | 0.00% | +14,588 | New |
| Beacon Pointe Advisors, LLC | 14,787 | $995.0K | 0.01% | +14,787 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 14,962 | $1.01M | 0.00% | +3,129+26.4% | Added |
| Police & Firemen's Retirement System of New Jersey | 15,019 | $1.01M | 0.01% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 15,252 | $1.03M | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 15,367 | $1.03M | 0.01% | −260−1.7% | Reduced |
| Vanguard Investments Australia, Ltd. | 15,475 | $1.04M | 0.00% | +15,475 | New |
| Creative Planning | 15,518 | $1.04M | 0.00% | +3,145+25.4% | Added |
| Louisiana State Employees Retirement System | 15,700 | $1.06M | 0.02% | +700+4.7% | Added |
| Yousif Capital Management, LLC | 15,714 | $1.06M | 0.01% | −986−5.9% | Reduced |
| Voya Investment Management LLC | 16,041 | $1.08M | 0.00% | +6,207+63.1% | Added |
| Intech Investment Management LLC | 16,358 | $1.10M | 0.01% | −11,947−42.2% | Reduced |
| O'Shaughnessy Asset Management, LLC | 16,570 | $1.11M | 0.01% | −998−5.7% | Reduced |
| Marshall Wace, LLP | 16,946 | $1.14M | 0.00% | +16,946 | New |
| Bridgeway Capital Management, LLC | 17,000 | $1.14M | 0.02% | −500−2.9% | Reduced |
| Fieldview Capital Management, LLC | 17,124 | $1.15M | 0.34% | −6,421−27.3% | Reduced |
| Magnetar Financial LLC | 17,380 | $1.17M | 0.01% | +17,380 | New |
| Teachers Retirement System of the State of Kentucky | 17,632 | $1.19M | 0.01% | 00.0% | Unchanged |
| Winton Group Ltd | 18,486 | $1.24M | 0.04% | +84+0.5% | Added |
| Freestone Grove Partners LP | 18,833 | $1.27M | 0.01% | −71,884−79.2% | Reduced |
| Engineers Gate Manager LP | 18,976 | $1.28M | 0.02% | −8,109−29.9% | Reduced |
| SummitTX Capital, L.P. | 20,257 | $1.36M | 0.04% | +20,257 | New |
| Mutual of America Capital Management LLC | 20,726 | $1.39M | 0.02% | −1,782−7.9% | Reduced |
| State of Tennessee, Treasury Department | 20,768 | $1.40M | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 21,065 | $1.42M | 0.00% | −40,477−65.8% | Reduced |
| Weiss Asset Management LP | 21,120 | $1.42M | 0.03% | +21,120 | New |
| Susquehanna Portfolio Strategies, LLC | 21,153 | $1.42M | 0.02% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 21,796 | $1.47M | 0.00% | +1,914+9.6% | Added |
| Hancock Whitney Corp | 20,947 | $1.50M | 0.03% | +464+2.3% | Added |
| Envestnet Asset Management Inc | 22,839 | $1.54M | 0.00% | +695+3.1% | Added |
| Skopos Labs, Inc. | 23,081 | $1.55M | 0.05% | +19,951+637.4% | Added |
| Prudential Financial Inc | 23,238 | $1.56M | 0.00% | +5,200+28.8% | Added |
| Amalgamated Bank | 23,396 | $1.57M | 0.01% | +608+2.7% | Added |
| Vanguard Global Advisers, LLC | 24,517 | $1.65M | 0.00% | +24,517 | New |
| Diversified Trust Co | 24,876 | $1.67M | 0.03% | +2,730+12.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 25,587 | $1.72M | 0.00% | +237+0.9% | Added |
| Quantinno Capital Management LP | 25,633 | $1.72M | 0.00% | +324+1.3% | Added |