<SEC-DOCUMENT>0001209286-16-000903-index.html : 20160225
<SEC-HEADER>0001209286-16-000903.hdr.sgml : 20160225
<ACCEPTANCE-DATETIME>20160224174509
ACCESSION NUMBER:		0001209286-16-000903
CONFORMED SUBMISSION TYPE:	N-Q
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20151231
FILED AS OF DATE:		20160225
DATE AS OF CHANGE:		20160224
EFFECTIVENESS DATE:		20160225

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:		N-Q
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05032
		FILM NUMBER:		161453185

	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>S000000582
<SERIES-NAME>BARON ASSET FUND
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000001635
<CLASS-CONTRACT-NAME>BARON ASSET FUND
<CLASS-CONTRACT-TICKER-SYMBOL>BARAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000077818
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>BARIX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000810902
<SERIES-ID>S000000583
<SERIES-NAME>BARON GROWTH FUND
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000001636
<CLASS-CONTRACT-NAME>BARON GROWTH FUND
<CLASS-CONTRACT-TICKER-SYMBOL>BGRFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000077819
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>BGRIX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000810902
<SERIES-ID>S000000584
<SERIES-NAME>BARON SMALL CAP FUND
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000001637
<CLASS-CONTRACT-NAME>BARON SMALL CAP FUND
<CLASS-CONTRACT-TICKER-SYMBOL>BSCFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000077820
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>BSFIX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000810902
<SERIES-ID>S000000585
<SERIES-NAME>BARON OPPORTUNITY FUND
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000001638
<CLASS-CONTRACT-NAME>BARON OPPORTUNITY FUND
<CLASS-CONTRACT-TICKER-SYMBOL>BIOPX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000077821
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>BIOIX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000810902
<SERIES-ID>S000000586
<SERIES-NAME>BARON FIFTH AVENUE GROWTH FUND
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000001639
<CLASS-CONTRACT-NAME>BARON FIFTH AVENUE GROWTH FUND
<CLASS-CONTRACT-TICKER-SYMBOL>BFTHX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000077822
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>BFTIX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000810902
<SERIES-ID>S000042178
<SERIES-NAME>BARON DISCOVERY FUND
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000130959
<CLASS-CONTRACT-NAME>BARON DISCOVERY FUND
<CLASS-CONTRACT-TICKER-SYMBOL>BDFFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000130960
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>BDFIX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-Q
<SEQUENCE>1
<FILENAME>e115450.htm
<TEXT>
Document 1 - file: e115450.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>e115450_ex99.htm
<TEXT>
Document 2 - file: e115450_ex99.htm

</DOCUMENT>
</SEC-DOCUMENT>