Packaging Corp Of America (PKG)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Vanguard Group Inc	11,027,496	$2,183,664,758	0.04%
2.	Blackrock, Inc.	9,059,743	$1,794,010,230	0.04%
3.	Schwab Charles Investment Management Inc	3,272,704	$648,060,846	0.12%
4.	Victory Capital Management Inc	1,456,753	$288,466,229	0.3%
5.	Bank Of New York Mellon Corp	781,448	$154,742,312	0.03%