International Bancshares Corp (IBOC)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	6,839,522	$431,300,235	0.01%
2.	Vanguard Group Inc	6,340,097	$399,806,517	0.01%
3.	Schwab Charles Investment Management Inc	2,141,959	$135,071,935	0.03%
4.	Btim Corp.	1,398,049	$88,160,962	0.64%
5.	Reinhart Partners, Inc.	777,713	$49,042,553	1.79%