Great Plains Energy Inc

AMERICAN CENTURY COMPANIES INC

Report date

6/30/2014

Quarter

2014 Q2

Filed

8/4/2014

Shares

6,256,678

Value ($000)

168,117

Weight

0.2%

2013 Q4 - 2014 Q2 (3 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2014 Q2	8/4/2014	168,117	0.2%	6,256,678	6/30/2014
2014 Q1	5/5/2014	159,960	0.2%	5,915,691	3/31/2014
2013 Q4	2/6/2014	156,093	0.2%	6,439,463	12/31/2013