<SEC-DOCUMENT>0001680359-17-000598-index.html : 20171031
<SEC-HEADER>0001680359-17-000598.hdr.sgml : 20171031
<ACCEPTANCE-DATETIME>20171031141106
ACCESSION NUMBER:		0001680359-17-000598
CONFORMED SUBMISSION TYPE:	40-APP/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20171031
DATE AS OF CHANGE:		20171031

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			American Century ETF Trust
		CENTRAL INDEX KEY:			0001710607
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		40-APP/A
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	812-14794-01
		FILM NUMBER:		171165221

	BUSINESS ADDRESS:	
		STREET 1:		4500 MAIN STREET
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64111
		BUSINESS PHONE:		(816) 531-5575

	MAIL ADDRESS:	
		STREET 1:		4500 MAIN STREET
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64111

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN CENTURY INVESTMENT MANAGEMENT INC
		CENTRAL INDEX KEY:			0000052388
		IRS NUMBER:				440640487
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		40-APP/A
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	812-14794
		FILM NUMBER:		171165222

	BUSINESS ADDRESS:	
		STREET 1:		4500 MAIN STREET
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64111
		BUSINESS PHONE:		816-531-5575

	MAIL ADDRESS:	
		STREET 1:		4500 MAIN STREET
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64111

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INVESTORS RESEARCH CORP
		DATE OF NAME CHANGE:	19920929
</SEC-HEADER>
<DOCUMENT>
<TYPE>40-APP/A
<SEQUENCE>1
<FILENAME>amercentindetf40appa10312017.htm
<TEXT>
Document 1 - file: amercentindetf40appa10312017.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>image00001.jpg
<TEXT>
Document 4 - file: image00001.jpg

</DOCUMENT>
</SEC-DOCUMENT>