INTERNATIONAL BANCSHARES COR

Ticker: IBOC CUSIP: 459044103 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

Note: Option positions (PUT/CALL) are excluded.

Q3 2021

Shares 6,412 Value ($000) $267 Avg Close $36.31 Range $33.32 - $38.77

Q1 2020

Shares 10,324 Value ($000) $278 Avg Close $29.96 Range $13.05 - $36.48

Q1 2019

Shares 14,550 Value ($000) $553 Avg Close $30.80 Range $27.41 - $33.72

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	6,412	$267	$36.31	$33.32 - $38.77
Q1 2020	10,324	$278	$29.96	$13.05 - $36.48
Q1 2019	14,550	$553	$30.80	$27.41 - $33.72