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 |
|---|---|---|---|---|---|
| Stifel Financial Corp | 0 | $0 | 0.00% | −7,168−100.0% | Sold out |
| MMBG Investment Advisors Co. | 0 | $0 | 0.00% | −5,667−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −4,838−100.0% | Sold out |
| Dorsey Wright & Associates | 0 | $0 | 0.00% | −4,809−100.0% | Sold out |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −4,384−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −4,370−100.0% | Sold out |
| Abel Hall, LLC | 0 | $0 | 0.00% | −4,146−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −1,516−100.0% | Sold out |
| LRI Investments, LLC | 0 | $0 | 0.00% | −1,039−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −710−100.0% | Sold out |
| ZRC Wealth Management, LLC | 0 | $0 | 0.00% | −54−100.0% | Sold out |
| Rossby Financial, LCC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| Brandywine Global Investment Management, LLC | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |