International Bancshares Corporation (IBOC) Institutional Ownership & Insider Trading

299 institutions reported holding International Bancshares Corporation shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 1 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

IBOCInternational Bancshares CorporationFollow IBOC — free

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Market cap: 4.2B
P/E TTM: 10.1
Dividend yield: 2.1%
52-week: —
Next earnings: 4 Nov, in 11 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

299 institutions held 71.2% of the shares. Across filers that reported both quarters, shares held changed +1.7%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	299	44	+1.7%	112	27	78	19
Mar 26	288	43	-0.7%	102	39	68	16
Dec 25	262	44	+2.0%	72	20	85	15
Sep 25	248	42	+1.1%	70	19	70	19
Jun 25	252	43	+0.8%	79	26	71	20
Mar 25	246	42	+1.0%	73	26	76	25
Dec 24	239	42	+1.4%	82	21	66	20
Sep 24	230	40	-4.3%	66	30	76	8

International Bancshares Corporation — questions

Who owns International Bancshares Corporation stock?: 299 institutions reported International Bancshares Corporation shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (11.3%), VANGUARD PORTFOLIO MANAGEMENT LLC (5.4%), DIMENSIONAL FUND ADVISORS LP (5.2%).
Are International Bancshares Corporation insiders buying or selling?: 1 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from International Bancshares Corporation's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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