Chesapeake Energy Corp (CHK)

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Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Vanguard Group Inc	12,673,082	$975,066,930	0.02%
2.	Blackstone Group L.p.	12,665,899	$974,514,269	4.38%
3.	Blackrock Inc.	11,227,920	$863,876,195	0.02%
4.	Wellington Management Group Llp	4,921,820	$378,684,832	0.07%
5.	Massachusetts Financial Services Co	4,317,920	$332,220,764	0.1%