International Bancshares

IBOC • NASDAQ

International Bancshares is a banks - regional company in the financial services sector on NASDAQ, led by Diana G. Zuniga, with a market cap of $4.5B. As of Q3 2025, 68% of shares are held by 249 institutional investors, with BlackRock, Inc. as the largest holder at 10.8%.

Chief Executive OfficerDiana G. Zuniga

Market Cap$4.5B

Banks - Regional

Financial Services

Employees2.3K

Websiteibc.com

Country

United States of America

Overview

Overview of institutional ownership in IBOC as of Q3 2025 with a market cap of $4.3B

All Institutions

Institutions: 249
Value Held: $2.9B
Shares Held: 42.3M
Avg Position: $11.7M
Median Position: $678.2K

Hedge Funds

Hedge Funds: 26
Value Held: $248.1M
Shares Held: 3.6M
Avg Position: $9.5M
Median Position: $918.9K

Ownership Breakdown

Institutional (non-HF)

62.23%

$2.7B

Hedge Funds

5.8%

$248.1M

Retail & Other

31.96%

$1.4B

Based on market cap of $4.3B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in IBOC as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$461.7M 0.01% of portfolio	10.80% 6.7M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$433.3M 0.01% of portfolio	10.14% 6.3M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$220.4M 0.05% of portfolio	5.16% 3.2M shares	≤ Q2 2013 Held for 12y 5m+	$466.32B
A AMERICAN CENTURY COMPANIES INC Institution	-	$212.5M 0.11% of portfolio	4.97% 3.1M shares	Q4 2016 Held for 8y 11m	$195.93B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$170.3M 0.01% of portfolio	3.98% 2.5M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
SCHWAB CHARLES INVESTMENT MANAGEMENT INC Long Only Manager	Omar Aguilar Chavez CEO	$153.4M 0.02% of portfolio	3.59% 2.2M shares	≤ Q2 2013 Held for 12y 5m+	$620.51B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$98.0M 0.01% of portfolio	2.29% 1.4M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
FIRST TRUST ADVISORS LP ETF Provider	James Allen Bowen CEO	$87.3M 0.07% of portfolio	2.04% 1.3M shares	≤ Q2 2013 Held for 12y 5m+	$134.11B
B BTIM Corp. Institution	-	$85.9M 0.63% of portfolio	2.01% 1.2M shares	Q4 2022 Held for 2y 11m	$13.6B
Azora Capital LP Hedge Fund•Long/Short	Ravi (Nmn) Chopra CIO	$77.6M 3.59% of portfolio	1.82% 1.1M shares	Q4 2017 Held for 7y 11m	$2.2B

Net Capital Flow

Institutional buying and selling activity for IBOC in Q3 2025

Traded: +$20.3M
Buyers: 113
Sellers: 106
Total Bought: +$123.1M
Total Sold: −$102.9M
Avg Position: $10.6M

Biggest Buyers

Institution	Net Bought	Current Position
T T. Rowe Price Investment Management, Inc. Insurance Manager	+$30.2M +439.6K shares	$70.2M 1.0M shares
F Freestone Grove Partners LP Hedge Fund•Multi-Strategy	+$18.3M +266.6K shares	$18.3M 266.6K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$15.0M +218.0K shares	$41.5M 603.6K shares
A AMERICAN CENTURY COMPANIES INC Institution	+$14.1M +204.5K shares	$212.5M 3.1M shares
JPMORGAN CHASE & CO Institution	+$4.8M +69.5K shares	$14.5M 210.9K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	+$3.6M +52.9K shares	$4.7M 68.7K shares
Elizabeth Park Capital Advisors, Ltd. Hedge Fund•Long/Short	+$3.5M +51.1K shares	$3.5M 51.1K shares
UBS Group AG Institution	+$3.1M +44.9K shares	$9.5M 138.6K shares
ALLIANCEBERNSTEIN L.P. Long Only Manager	+$2.7M +39.8K shares	$15.4M 224.5K shares
SCHWAB CHARLES INVESTMENT MANAGEMENT INC Long Only Manager	+$2.7M +39.6K shares	$153.4M 2.2M shares

Biggest Sellers

Institution	Net Sold	Current Position
B BTIM Corp. Institution	−$10.7M −155.7K shares	$85.9M 1.2M shares
REINHART MAHONEY CAPITAL MANAGEMENT INC Long Only Manager	−$8.3M −121.1K shares	$45.9M 667.3K shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	−$6.6M −95.8K shares	$220.4M 3.2M shares
STATE STREET CORP Institution	−$6.1M −88.9K shares	$170.3M 2.5M shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$5.4M −78.0K shares	$6.8M 98.8K shares
GOLDMAN SACHS GROUP INC Institution	−$5.1M −73.9K shares	$37.2M 541.6K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	−$4.7M −67.7K shares	$1.5M 22.3K shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	−$4.3M −62.8K shares	$2.4M 35.4K shares
HARBOR CAPITAL ADVISORS, INC. ETF Provider	−$3.7M −53.2K shares	$1.2M 16.8K shares
CITIGROUP INC Institution	−$3.3M −47.7K shares	$2.3M 33.6K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited IBOC in Q3 2025

New Positions: 9
New Value: $20.8M
Exited Positions: 25
Exited Value: $12.4M

New Positions

Institution	Position Value
F Freestone Grove Partners LP Hedge Fund•Multi-Strategy	$18.3M 266.6K shares
Burns Wealth Management, Inc. RIA/Wealth	$1.7M 25.1K shares
Sequoia Financial Advisors, LLC RIA/Wealth	$262.4K 3.8K shares
W.G. Shaheen & Associates DBA Whitney & Co RIA/Wealth	$206.3K 3.0K shares
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC RIA/Wealth	$201.6K 3.0K shares
R Root Financial Partners, LLC RIA/Wealth	$14.7K 214.0 shares
Sontag Advisory, LLC RIA/Wealth	$6.7K 97.0 shares
Quent Capital, LLC Hedge Fund•Long/Short	$1.3K 19.0 shares
Cloud Capital Management, LLC RIA/Wealth	- 9.0 shares

Exited Positions

Institution	Previous Position
T TEXAS PERMANENT SCHOOL FUND Institution	$2.1M 32.1K shares
WELLINGTON MANAGEMENT CO LLP Long Only Manager	$1.7M 25.4K shares
D D. E. Shaw & Co., Inc. Institution	$1.1M 16.8K shares
X XTX Topco Ltd Institution	$1.0M 15.8K shares
Beacon Pointe Advisors, LLC RIA/Wealth	$983.6K 14.8K shares
Schonfeld Strategic Advisors LLC Hedge Fund•Multi-Strategy	$956.9K 14.4K shares
A AXA Institution	$702.7K 10.6K shares
R READYSTATE ASSET MANAGEMENT LP Hedge Fund•Multi-Strategy	$699.9K 10.5K shares
C Convergence Financial, LLC RIA/Wealth	$495.3K 7.4K shares
O ONTARIO TEACHERS PENSION PLAN BOARD Institution	$491.8K 7.4K shares

Options Activity

Institutions with the largest Call and Put options positions in IBOC as of Q3 2025

Call Positions: 0
Call Value: -
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
No call positions found

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with IBOC as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
T Tamar Securities, LLC RIA/Wealth	Amit Raz Stavinsky Managing Partner	5.74% $50.4M	1.18% 732.8K shares	Q2 2020 Held for 5y 5m	$877.3M
Azora Capital LP Hedge Fund•Long/Short	Ravi (Nmn) Chopra CIO	3.59% $77.6M	1.82% 1.1M shares	Q4 2017 Held for 7y 11m	$2.2B
Elizabeth Park Capital Advisors, Ltd. Hedge Fund•Long/Short	Fred Anthony Cummings President	2.79% $3.5M	0.08% 51.1K shares	Q3 2025 Held for 2 months	$126.0M
Polaris Capital Management, Inc. Long Only Manager	Bernard Robert Horn President	2.46% $37.5M	0.88% 546.0K shares	Q4 2014 Held for 10y 11m	$1.5B
E Eldred Rock Partners, LLC Long Only Manager	Stefan Friederich Grater Managing Partner	2.19% $8.8M	0.21% 127.5K shares	Q1 2024 Held for 1y 8m	$401.0M
Cresta Advisors, Ltd. RIA/Wealth	Mark Lawrence Deutsch Partner	1.92% $4.1M	0.10% 60.3K shares	Q3 2022 Held for 3y 2m	$216.5M
REINHART MAHONEY CAPITAL MANAGEMENT INC Long Only Manager	James Everett Reinhart CEO	1.49% $45.9M	1.07% 667.3K shares	Q2 2015 Held for 10y 5m	$3.1B
SOL Capital Management CO RIA/Wealth	Rajmiel Odinec CEO	1.37% $13.8M	0.32% 200.6K shares	≤ Q2 2013 Held for 12y 5m+	$1.0B
SANDLER ONEILL ASSET MANAGEMENT LLC Hedge Fund•Long/Short	Terry Anthony Maltese President	1.16% $7.5M	0.18% 109.4K shares	Q3 2020 Held for 5y 2m	$646.2M
Kovack Advisors, Inc. RIA/Wealth	Melinda Sue Wolfe President	0.88% $9.4M	0.22% 136.1K shares	Q2 2017 Held for 8y 5m	$1.1B

Hedge Fund Spotlight

Discover hedge funds investing in IBOC

BALYASNY ASSET MANAGEMENT LLC

Hedge Fund • Multi-Strategy

Portfolio ManagerDmitry Balyasny

Portfolio Value: $48.1B
Positions: 1,894
Last Reported: Q3 2025

Sector Allocation

Position in International Bancshares

Market Value: $384.5K
Shares Held: 5.6K
Portfolio Weight: 0.00%
Owned Since: 2024-Q4

Top Holding	Sector	Market Value	Weight
1 iShares Core S&P 500 ETF IVV	ETF ETF	$1.1B	2.29%
2 Microsoft MSFT	Software - Infrastructure Technology	$1.1B	2.23%
3 Nvidia NVDA	Semiconductors Technology	$905.7M	1.88%