DOSSIER · 13F Holders · Q1 2026Financial Services · State Commercial Banks
IBOC
INTERNATIONAL BANCSHARES COR
301 institutions still hold INTERNATIONAL BANCSHARES COR as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 459044103·State Commercial Banks·301 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
301 institutions reported IBOC in Q1 2026. BlackRock, Inc. leads at 19.6% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.
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