International Bancshares Corp

IBOC

Exchange: Nasdaq
Industry: State Commercial Banks
SEC CIK: 0000315709

SEC filings (opens in a new tab)

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.

Q4 2025 vs. Q3 2025

How the institutions holding International Bancshares Corp changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of IBOC: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	254	2	266	+14
Shares	42.3M	5.94K	43.5M	+1.20M (+2.8%)
Value	$2.90B	$407.9K	$2.89B	−$17.8M (−0.6%)

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (32)

Institutions that held International Bancshares Corp at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to IBOC in Q4 2025
Institution	Shares	Value	% of portfolio
Norges Bank	686,300	$45.6M	0.00%
BW Gestao de Investimentos Ltda.	70,000	$4.65M	0.16%
ExodusPoint Capital Management, LP	69,855	$4.64M	0.05%
Healthcare of Ontario Pension Plan Trust Fund	60,798	$4.04M	0.01%
Siena Capital Partners GP, LLC	45,725	$3.04M	0.82%
Point72 Asset Management, L.P.	36,054	$2.40M	0.00%
Y-Intercept (Hong Kong) Ltd	34,016	$2.26M	0.05%
HSBC Holdings PLC	22,500	$1.50M	0.00%
Trexquant Investment LP	12,173	$808.8K	0.01%
Squarepoint Ops LLC	6,689	$444.4K	0.00%
Man Group plc	5,164	$343.1K	0.00%
Canada Pension Plan Investment Board	5,000	$332.2K	0.00%
Mirabella Financial Services LLP	4,838	$321.4K	0.03%
Armistice Capital, LLC	4,384	$291.3K	0.01%
Abel Hall, LLC	4,146	$275.5K	0.06%
Entropy Technologies, LP	4,078	$270.9K	0.01%
Capstone Investment Advisors, LLC	3,788	$251.7K	0.00%
Occudo Quantitative Strategies LP	3,638	$241.7K	0.02%
CIBC World Markets Corp	3,610	$239.8K	0.00%
Chesley Taft & Associates LLC	3,500	$232.5K	0.01%
Schonfeld Strategic Advisors LLC	3,248	$215.8K	0.00%
Skopos Labs, Inc.	3,130	$211.3K	0.01%
Caitong International Asset Management Co., Ltd	1,516	$100.7K	0.02%
Exchange Traded Concepts, LLC	1,442	$95.8K	0.00%
Meeder Asset Management Inc	710	$47.2K	0.00%
Pinnacle Wealth Planning Services, Inc.	478	$31.8K	0.00%
Kemnay Advisory Services Inc.	147	$9.77K	0.00%
ZRC Wealth Management, LLC	54	$3.59K	0.00%
Keating Financial Advisory Services, Inc.	36	$2.39K	0.00%
Bare Financial Services, Inc	10	$664	0.00%
Signature Equity Partners, LLC	9	$598	0.00%
Dunhill Financial, LLC	1	$76	0.00%

Sold out (18)

Institutions that held International Bancshares Corp at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of IBOC in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Algert Global LLC	154,216	$10.6M
HRT Financial LP	20,004	$1.38M
Inceptionr LLC	8,186	$562.8K
Two Sigma Advisers, LP	7,000	$481.3K
Hennion & Walsh Asset Management, Inc.	6,817	$468.7K
Edgestream Partners, L.P.	5,408	$371.8K
Centiva Capital, LP	3,410	$234.4K
Two Sigma Securities, LLC	3,244	$223.0K
Royce & Associates LP	3,082	$211.9K
W.G. Shaheen & Associates DBA Whitney & Co	3,000	$206.3K
Wealth Enhancement Advisory Services, LLC	2,956	$201.6K
BI Asset Management Fondsmaeglerselskab A/S	444	$31.0K
Simplex Trading, LLC	106	$7.00K
Wealthspire Advisors, LLC	97	$6.67K
Principal Securities, Inc.	11	$756
Huntington National Bank	6	$413
Ronald Blue Trust, Inc.	5	$344
Cloud Capital Management, LLC	9	$0

Not filed for Q4 2025 yet (2)

Institutions that held International Bancshares Corp at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IBOC in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
CIBC Bancorp USA Inc.	5,816	$399.9K
Hemington Wealth Management	122	$8.00K