International Bancshares Ownership | Who Owns International Bancshares?

International Bancshares Ownership Summary

International Bancshares is owned by 67.91% institutional investors, 13.44% insiders, and 18.65% retail investors. Blackrock is the largest institutional shareholder, holding 10.88% of IBOC shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.85% of its assets in International Bancshares shares.

IBOC Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	International Bancshares	67.91%	13.44%	18.65%
Sector	Financial Services Stocks	36.95%	15.48%	47.58%
Industry	Regional Banks Stocks	38.26%	12.54%	49.20%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	6.76M	10.88%	$386.83M
Blackrock funding, inc. /de	6.72M	10.81%	$461.69M
Vanguard group	6.30M	10.14%	$433.33M
Dimensional fund advisors lp	3.21M	5.16%	$220.43M
American century companies	3.09M	4.97%	$212.45M
State street	2.48M	3.98%	$170.25M
Charles schwab investment management	2.23M	3.59%	$153.44M
Geode capital management	1.43M	2.29%	$98.05M
First trust advisors lp	1.27M	2.04%	$87.35M
Boston trust walden	1.25M	2.01%	$85.90M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Tamar securities	732.84K	5.73%	$50.38M
Azora capital lp	1.13M	3.59%	$77.57M
Elizabeth park capital advisors	51.09K	2.84%	$3.51M
Eldred rock partners	129.72K	2.62%	$8.63M
Polaris capital management	546.00K	2.47%	$37.54M
Cresta advisors	60.30K	1.85%	$4.15M
Reinhart partners	667.32K	1.49%	$45.88M
Sol capital management	200.56K	1.24%	$13.79M
Maltese capital management	109.40K	1.14%	$7.52M
Kovack advisors	136.14K	0.88%	$9.36M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	631.93K	0.01%	631.93K
T. rowe price investment management	1.02M	0.04%	439.60K
Millennium management	346.19K	0.01%	328.73K
Freestone grove partners lp	266.62K	0.14%	266.62K
American century companies	3.09M	0.11%	204.54K

Top Sellers

Holder	Shares	% Assets	Change
North reef capital management lp	-	-	-397.74K
Boston trust walden	1.25M	0.63%	-155.67K
Reinhart partners	667.32K	1.49%	-121.10K
American group	-	-	-96.70K
Dimensional fund advisors lp	3.21M	0.05%	-95.82K

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	631.93K	0.01%	631.93K	$39.91M
Freestone grove partners lp	266.62K	0.14%	266.62K	$18.33M
Elizabeth park capital advisors	51.09K	2.84%	51.09K	$3.51M
Exencial wealth advisors	25.14K	0.06%	25.14K	$1.73M
Pacer advisors	7.12K	0.00%	7.12K	$489.50K

Sold Out

Holder	Change
Toronto dominion bank	-1.00
Twin peaks wealth advisors	-3.00
Advisornet financial	-4.00
Tfo-tdc	-4.00
Claris advisors, llc / mo /	-4.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	242	-2.02%	42,208,786	3.26%	67	1.57%	113	-10.32%	75	-3.85%
Jun 30, 2025	251	1.21%	42,645,516	4.42%	68	1.59%	130	7.44%	78	-10.34%
Mar 31, 2025	246	1.65%	41,758,980	-0.54%	67	1.47%	122	-6.87%	85	16.44%
Dec 31, 2024	173	-25.43%	34,819,700	-14.14%	56	1.32%	86	-20.37%	54	-38.64%
Sep 30, 2024	230	9.00%	40,488,555	-4.16%	65	1.41%	108	10.20%	87	20.83%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	1.77M	2.85%	1.22K
Vanguard Total Stock Mkt Idx Inv	1.76M	2.84%	-37.09K
iShares Core S&P Mid-Cap ETF	1.74M	2.80%	-
Schwab US Dividend Equity ETF™	1.52M	2.44%	319.00
Vanguard Small Cap Index	1.36M	2.18%	-9.80K
Avantis US Small Cap Value ETF	1.34M	2.16%	3.14K
iShares Russell 2000 ETF	1.33M	2.14%	-
First Trust SMID Cp Rising Div Achv ETF	1.06M	1.70%	1.13K
American Century U.S. Small Cap Value	930.00K	1.50%	125.00K
American Century Small Cap Value Inv	930.00K	1.50%	125.00K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 15, 2025	SANCHEZ ANTONIO R JR		Sell	$2.72M
Aug 14, 2025	SANCHEZ ANTONIO R JR		Sell	$5.59M
Nov 13, 2024	NIXON DENNIS E	CEO	Sell	$4.66M
Nov 12, 2024	NIXON DENNIS E	CEO	Sell	$2.51M
May 22, 2024	SANCHEZ ANTONIO R JR		Sell	$2.91M

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	2
2025 Q2	-	-
2024 Q4	-	2
2024 Q3	-	-
2024 Q2	-	2

IBOC Ownership FAQ

Who Owns International Bancshares?

International Bancshares shareholders are primarily institutional investors at 67.91%, followed by 13.44% insiders and 18.65% retail investors. The average institutional ownership in International Bancshares's industry, Regional Banks Stocks, is 38.26%, which International Bancshares exceeds.

Who owns the most shares of International Bancshares?

International Bancshares’s largest shareholders are Blackrock (6.76M shares, 10.88%), Blackrock funding, inc. /de (6.72M shares, 10.81%), and Vanguard group (6.3M shares, 10.14%). Together, they hold 31.83% of International Bancshares’s total shares outstanding.

Does Blackrock own International Bancshares?

Yes, BlackRock owns 10.88% of International Bancshares, totaling 6.76M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 386.83M$. In the last quarter, BlackRock increased its holdings by 26.72K shares, a 0.40% change.

Who is International Bancshares’s biggest shareholder by percentage of total assets invested?

Tamar securities is International Bancshares’s biggest shareholder by percentage of total assets invested, with 5.73% of its assets in 732.84K International Bancshares shares, valued at 50.38M$.

Who is the top mutual fund holder of International Bancshares shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of International Bancshares shares, with 2.85% of its total shares outstanding invested in 1.77M International Bancshares shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools