International Bancshares Corporation (IBOC)
TXSE: IBOC · State Commercial Banks · Laredo, TX · filing with the SEC since 1995
Grade5.3
◀ Past 2.5● Present 8.4▶ Future 5.3
Who owns International Bancshares Corporation
As filed with the SECHolders of 5% or more
3
Vanguard Portfolio Management holds 5.51% of Common Stock, as its SCHEDULE 13G filed Apr 29, 2026 says.
Directors and officers
3
report now, of 13 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
American Century Investment Management, Inc.
SCHEDULE 13G · filed Feb 13, 2026 · Common Stock
Dimensional Fund Advisors LP
SCHEDULE 13G/A · filed Oct 9, 2025 · Common Stock
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What IBOC reports owning in othersstakes of 5% or more, and other ties
15 subsidiaries in 1 country, from the list filed with the 10-K filed Feb 26, 2026.
Insider tradesForm 4
1sales
0purchases
0sales on a scheduled plan
1people selling
$700,000sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 23, 2025 to Oct 23, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 23, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window1 of 13 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Norton Larry A | director | 1 | $700,000 | 0 | 0 | $0 |