Amkor Technology Inc. (AMKR)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Vanguard Group Inc	16,025,236	$289,415,763	0.01%
2.	Blackrock, Inc.	11,163,740	$201,617,147	0%
3.	Schwab Charles Investment Management Inc	2,092,078	$37,782,929	0.01%
4.	Principal Financial Group Inc	1,989,507	$35,930,504	0.02%
5.	Bank Of New York Mellon Corp	1,470,154	$26,550,980	0.01%