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.

Q3 2021 vs. Q2 2021

How the institutions holding International Bancshares Corp changed between Q2 2021 and Q3 2021.

All holders in Q3 2021 All holders in Q2 2021

13F holders of IBOC: Q2 2021 compared with Q3 2021
Measure	Q2 2021	Of which not filed for Q3 2021	Q3 2021	Change
Holders	184	2	189	+7
Shares	40.6M	10.5K	40.2M	−392.9K (−1.0%)
Value	$1.74B	$451.0K	$1.67B	−$74.2M (−4.3%)

2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (24)

Institutions that held International Bancshares Corp at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to IBOC in Q3 2021
Institution	Shares	Value	% of portfolio
Two Sigma Investments, LP	57,935	$2.41M	0.01%
Voloridge Investment Management, LLC	28,629	$1.19M	0.01%
Holocene Advisors, LP	27,807	$1.16M	0.01%
Natixis	26,000	$1.08M	0.00%
Ergoteles LLC	22,700	$945.0K	0.03%
Canada Pension Plan Investment Board	22,000	$916.0K	0.00%
Tudor Investment Corp Et Al	21,165	$881.0K	0.02%
Engineers Gate Manager LP	17,006	$708.0K	0.04%
Polar Asset Management Partners Inc.	16,328	$680.0K	0.01%
HSBC Holdings PLC	13,911	$583.0K	0.00%
Two Sigma Advisers, LP	12,400	$516.0K	0.00%
U.S. Capital Wealth Advisors, LLC	10,511	$438.0K	0.02%
Gyon Technologies Capital Management, LP	7,188	$299.0K	0.08%
Marshall Wace, LLP	6,412	$267.0K	0.00%
CWM Advisors, LLC	5,742	$239.0K	0.03%
Allianz Asset Management GmbH	5,655	$235.0K	0.00%
Janus Henderson Group PLC	5,436	$226.0K	0.00%
Algert Global LLC	5,290	$220.0K	0.03%
Jefferies Group LLC	4,897	$203.9K	0.00%
PEAK6 Investments LLC	4,251	$177.0K	0.00%
Lazard Asset Management LLC	621	$25.0K	0.00%
Fifth Third Bancorp	80	$3.00K	0.00%
First Horizon Advisors, Inc.	28	$1.00K	0.00%
Bell Investment Advisors, Inc	12	$0	0.00%

Sold out (17)

Institutions that held International Bancshares Corp at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of IBOC in Q3 2021
Institution	Shares, Q2 2021	Value, Q2 2021
Westwood Holdings Group Inc.	554,739	$23.8M
Assenagon Asset Management S.A.	415,589	$17.8M
LSV Asset Management	143,750	$6.17M
Weiss Multi-Strategy Advisers LLC	79,723	$3.42M
Hancock Whitney Corp	53,530	$2.30M
California Public Employees Retirement System	32,409	$1.39M
Susquehanna International Group, LLP	15,585	$669.0K
Squarepoint Ops LLC	11,340	$487.0K
Man Group plc	11,300	$485.0K
Quantitative Systematic Strategies LLC	8,176	$351.0K
Ontario Teachers Pension Plan Board	5,243	$225.0K
Paloma Partners Management Co	4,981	$214.0K
Trinity Legacy Partners, LLC	5,200	$212.0K
Profund Advisors LLC	4,696	$201.0K
FORA Capital, LLC	973	$42.0K
Point72 Hong Kong Ltd	693	$30.0K
Financial Management Professionals, Inc.	17	$1.00K

Not filed for Q3 2021 yet (2)

Institutions that held International Bancshares Corp at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IBOC in Q2 2021 that haven't filed for Q3 2021
Institution	Shares, Q2 2021	Value, Q2 2021
Usca Ria LLC	10,481	$450.0K
First Horizon Corp	28	$1.00K