Koppers Holdings Inc. (KOP)

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Institutional Investors' Holdings

Filing Period: Filing is Ongoing

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	3,738,630	$104,681,641	0%
2.	Vanguard Group Inc	1,922,004	$53,816,112	0%
3.	Schwab Charles Investment Management Inc	450,439	$12,612,292	0%
4.	Principal Financial Group Inc	298,797	$8,366,316	0%
5.	Bank Of New York Mellon Corp	201,304	$5,636,513	0%