American Electric Power Co Inc (AEP)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Vanguard Group Inc	52,496,895	$6,053,416,963	0.09%
2.	Blackrock, Inc.	46,260,983	$5,334,353,944	0.09%
3.	State Street Corp	30,437,776	$3,509,779,951	0.12%
4.	Morgan Stanley	14,661,858	$1,690,659,229	0.1%
5.	Wellington Management Group Llp	14,639,127	$1,688,037,734	0.3%