<SEC-DOCUMENT>0001056707-18-000014-index.html : 20180809
<SEC-HEADER>0001056707-18-000014.hdr.sgml : 20180809
<ACCEPTANCE-DATETIME>20180809165835
ACCESSION NUMBER:		0001056707-18-000014
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		19
CONFORMED PERIOD OF REPORT:	20180630
FILED AS OF DATE:		20180809
DATE AS OF CHANGE:		20180809
EFFECTIVENESS DATE:		20180809

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DREYFUS INVESTMENT PORTFOLIOS
		CENTRAL INDEX KEY:			0001056707
		IRS NUMBER:				134000024
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		N-CSRS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-08673
		FILM NUMBER:		181006122

	BUSINESS ADDRESS:	
		STREET 1:		C/O THE DREYFUS CORPORATION
		STREET 2:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		2129226400

	MAIL ADDRESS:	
		STREET 1:		C/O THE DREYFUS CORPORATION
		STREET 2:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0001056707
<SERIES-ID>S000002774
<SERIES-NAME>Core Value Portfolio
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007601
<CLASS-CONTRACT-NAME>Core Value Portfolio - Initial Shares
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007602
<CLASS-CONTRACT-NAME>Core Value Portfolio - Service Shares
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001056707
<SERIES-ID>S000002779
<SERIES-NAME>Midcap Stock Portfolio
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007611
<CLASS-CONTRACT-NAME>Midcap Stock Portfolio - Initial Shares
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007612
<CLASS-CONTRACT-NAME>Midcap Stock Portfolio - Service Shares
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001056707
<SERIES-ID>S000002780
<SERIES-NAME>Small Cap Stock Index Portfolio
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007613
<CLASS-CONTRACT-NAME>Small Cap Stock Index Portfolio - Service Shares
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0001056707
<SERIES-ID>S000002781
<SERIES-NAME>Technology Growth Portfolio
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007614
<CLASS-CONTRACT-NAME>Technology Growth Portfolio - Initial Shares
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007615
<CLASS-CONTRACT-NAME>Technology Growth Portfolio - Service Shares
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSRS
<SEQUENCE>1
<FILENAME>lp1-172.htm
<DESCRIPTION>SEMI-ANNUAL REPORT
<TEXT>
Document 1 - file: lp1-172.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>exhibit302-172.htm
<DESCRIPTION>CERTIFICATION REQUIRED BY RULE 30A-2
<TEXT>
Document 2 - file: exhibit302-172.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>3
<FILENAME>exhibit906-172.htm
<DESCRIPTION>CERTIFICATION REQUIRED BY SECTION 906
<TEXT>
Document 3 - file: exhibit906-172.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>x18080915415400.jpg
<TEXT>
Document 5 - file: x18080915415400.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>x18080915415401.jpg
<TEXT>
Document 6 - file: x18080915415401.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>x18080915415500.jpg
<TEXT>
Document 7 - file: x18080915415500.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>x18080915415501.jpg
<TEXT>
Document 8 - file: x18080915415501.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>x18080915480500.jpg
<TEXT>
Document 9 - file: x18080915480500.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>x18080915480501.jpg
<TEXT>
Document 10 - file: x18080915480501.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>x18080915480600.jpg
<TEXT>
Document 11 - file: x18080915480600.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>x18080915480700.jpg
<TEXT>
Document 12 - file: x18080915480700.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>x18080915560800.jpg
<TEXT>
Document 13 - file: x18080915560800.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>x18080915560801.jpg
<TEXT>
Document 14 - file: x18080915560801.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>x18080915560900.jpg
<TEXT>
Document 15 - file: x18080915560900.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>x18080915561000.jpg
<TEXT>
Document 16 - file: x18080915561000.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>x18080916064100.jpg
<TEXT>
Document 17 - file: x18080916064100.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>x18080916064101.jpg
<TEXT>
Document 18 - file: x18080916064101.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>x18080916064200.jpg
<TEXT>
Document 19 - file: x18080916064200.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>x18080916064600.jpg
<TEXT>
Document 20 - file: x18080916064600.jpg

</DOCUMENT>
</SEC-DOCUMENT>