<SEC-DOCUMENT>0001193125-23-153833-index.html : 20230525
<SEC-HEADER>0001193125-23-153833.hdr.sgml : 20230525
<ACCEPTANCE-DATETIME>20230525104400
ACCESSION NUMBER:		0001193125-23-153833
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		21
CONFORMED PERIOD OF REPORT:	20230331
FILED AS OF DATE:		20230525
DATE AS OF CHANGE:		20230525
EFFECTIVENESS DATE:		20230525

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-CSRS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05032
		FILM NUMBER:		23957480

	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>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000165210
<CLASS-CONTRACT-NAME>R6 Shares
<CLASS-CONTRACT-TICKER-SYMBOL>BARUX
</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>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000165211
<CLASS-CONTRACT-NAME>R6 Shares
<CLASS-CONTRACT-TICKER-SYMBOL>BGRUX
</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>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000165212
<CLASS-CONTRACT-NAME>R6 Shares
<CLASS-CONTRACT-TICKER-SYMBOL>BSCUX
</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>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174753
<CLASS-CONTRACT-NAME>R6 Shares
<CLASS-CONTRACT-TICKER-SYMBOL>BIOUX
</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>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000165213
<CLASS-CONTRACT-NAME>R6 Shares
<CLASS-CONTRACT-TICKER-SYMBOL>BFTUX
</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>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000174754
<CLASS-CONTRACT-NAME>R6 Shares
<CLASS-CONTRACT-TICKER-SYMBOL>BDFUX
</CLASS-CONTRACT>
</SERIES>
<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>N-CSRS
<SEQUENCE>1
<FILENAME>d463484dncsrs.htm
<DESCRIPTION>BARON INVESTMENT FUNDS TRUST
<TEXT>
Document 1 - file: d463484dncsrs.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.CERT <SEQUENCE>2 <FILENAME>d463484dex99cert.htm <DESCRIPTION>CERTIFICATIONS (302) <TEXT> Document 2 - file: d463484dex99cert.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.906CT <SEQUENCE>3 <FILENAME>d463484dex99906ct.htm <DESCRIPTION>CERTIFICATIONS (906) <TEXT> Document 3 - file: d463484dex99906ct.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g463484g00a01.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g463484g00a01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g463484g00a02.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g463484g00a02.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g463484g00a03.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g463484g00a03.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g463484g02g65.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g463484g02g65.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g463484g19k80.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g463484g19k80.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g463484g24r12.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g463484g24r12.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g463484g33i46.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g463484g33i46.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g463484g40w76.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g463484g40w76.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g463484g69b06.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g463484g69b06.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g463484g69p35.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g463484g69p35.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g463484g73j90.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g463484g73j90.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g463484g79b05.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g463484g79b05.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g463484g79i14.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g463484g79i14.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g463484g80g98.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: g463484g80g98.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g463484g81f07.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: g463484g81f07.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g463484g85g40.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: g463484g85g40.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>g463484g89x14.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: g463484g89x14.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>g463484g90m19.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: g463484g90m19.jpg
</DOCUMENT> </SEC-DOCUMENT>