International Bancshares Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:IBOC Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
15 Aug 25	SellUS$8,311,200	Antonio Sanchez	Individual		120,000	US$69.83
13 Nov 24	SellUS$7,171,719	Dennis Nixon	Individual		100,000	US$72.18

Insider Trading Volume

Insider Buying: IBOC insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of IBOC?
Owner Type	Number of Shares	Ownership Percentage
State or Government	21,657	0.0348%
Private Companies	567,439	0.913%
Individual Insiders	6,002,713	9.66%
General Public	10,345,862	16.6%
Institutions	45,218,727	72.7%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 71.21% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10.9%	BlackRock, Inc.	6,757,166	US$453.9m	-1.2%	0.01%
10.2%	The Vanguard Group, Inc.	6,342,167	US$426.1m	0.03%	0.01%
5.62%	Antonio Sanchez	3,494,238	US$234.7m	14.7%	no data
5.31%	Dimensional Fund Advisors LP	3,302,051	US$221.8m	-4.66%	0.03%
4.64%	American Century Investment Management Inc	2,885,687	US$193.9m	19.3%	0.08%
4.13%	State Street Global Advisors, Inc.	2,565,273	US$172.3m	-5.64%	0.01%
3.59%	Dennis Nixon	2,232,753	US$150.0m	0%	no data
3.59%	A R Tony And Maria J Sanchez Family Foundation	2,231,629	US$149.9m	-4.29%	100.0%
3.53%	Charles Schwab Investment Management, Inc.	2,192,298	US$147.3m	2.35%	0.02%
2.28%	Geode Capital Management, LLC	1,414,229	US$95.0m	1%	0.01%
2.26%	Boston Trust Walden Company	1,405,068	US$94.4m	0.5%	0.64%
2.01%	First Trust Advisors LP	1,251,947	US$84.1m	1.73%	0.06%
1.75%	Azora Capital LP	1,090,166	US$73.2m	15.1%	3.22%
1.27%	Reinhart Partners, LLC	788,418	US$53.0m	1.38%	1.79%
1.16%	Tamar Securities, LLC	722,637	US$48.5m	0.63%	5.41%
1.12%	Northern Trust Global Investments	694,485	US$46.7m	-14.4%	0.01%
1.08%	Norges Bank Investment Management	674,019	US$45.3m	6.66%	no data
1.06%	AQR Capital Management, LLC	656,286	US$44.1m	101%	0.03%
1.01%	T. Rowe Price Group, Inc.	628,159	US$42.2m	48.5%	no data
0.92%	Polaris Capital Management, LLC	573,604	US$38.5m	-6.55%	0.78%
0.91%	Sanchez Management Corporation	567,439	US$38.1m	0%	no data
0.88%	ProShare Advisors LLC	546,235	US$36.7m	14.8%	0.07%
0.77%	BNY Asset Management	479,912	US$32.2m	0.29%	0.01%
0.62%	Millennium Management LLC	385,535	US$25.9m	23.4%	0.02%
0.61%	Goldman Sachs Asset Management, L.P.	380,403	US$25.6m	2.58%	0.01%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/10/10 21:36
End of Day Share Price	2025/10/10 00:00
Earnings	2025/06/30
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

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Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

International Bancshares Corporation is covered by 1 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Brett Rabatin	Sterne Agee & Leach