<SEC-DOCUMENT>0001193125-18-186902-index.html : 20180607
<SEC-HEADER>0001193125-18-186902.hdr.sgml : 20180607
<ACCEPTANCE-DATETIME>20180607165306
ACCESSION NUMBER:		0001193125-18-186902
CONFORMED SUBMISSION TYPE:	497K
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180607
DATE AS OF CHANGE:		20180607
EFFECTIVENESS DATE:		20180607

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND)
		CENTRAL INDEX KEY:			0000810902
		IRS NUMBER:				136891420
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		497K
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-12112
		FILM NUMBER:		18887058

	BUSINESS ADDRESS:	
		STREET 1:		767 FIFTH AVE
		STREET 2:		49TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10153
		BUSINESS PHONE:		2125832000

	MAIL ADDRESS:	
		STREET 1:		767 FIFTH AVE
		STREET 2:		49TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10153

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BARON ASSET FUND
		DATE OF NAME CHANGE:	19920703
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000810902
<SERIES-ID>S000060168
<SERIES-NAME>Baron Durable Advantage Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000196921
<CLASS-CONTRACT-NAME>Baron Durable Advantage Fund
<CLASS-CONTRACT-TICKER-SYMBOL>BDAFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000196922
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>BDAIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000196923
<CLASS-CONTRACT-NAME>R6 Shares
<CLASS-CONTRACT-TICKER-SYMBOL>BDAUX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497K
<SEQUENCE>1
<FILENAME>d602249d497k.htm
<DESCRIPTION>BARON DURABLE ADVANTAGE FUND
<TEXT>
Document 1 - file: d602249d497k.htm

</DOCUMENT>
</SEC-DOCUMENT>