referenceltr-172.htm - Generated by SEC Publisher for SEC Filing

0001056707-13-000024.txt : 20130806 0001056707-13-000024.hdr.sgml : 20130806 20130806114226 ACCESSION NUMBER: 0001056707-13-000024 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 7 FILED AS OF DATE: 20130806 DATE AS OF CHANGE: 20130806 EFFECTIVENESS DATE: 20130806 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: 497 SEC ACT: 1933 Act SEC FILE NUMBER: 333-47011 FILM NUMBER: 131012404 BUSINESS ADDRESS: STREET 1: C/O THE DREYFUS CORPORATION STREET 2: 200 PARK AVENUE CITY: NEW YORK STATE: NY ZIP: 10166 BUSINESS PHONE: 2129226789 MAIL ADDRESS: STREET 1: C/O THE DREYFUS CORPORATION STREET 2: 200 PARK AVENUE CITY: NEW YORK STATE: NY ZIP: 10166

0001056707 S000002779 Midcap Stock Portfolio

C000007611 Midcap Stock Portfolio - Initial Shares

C000007612 Midcap Stock Portfolio - Service Shares

497 1 referenceltr-172.htm PROSPECTUS referenceltr-172.htm - Generated by SEC Publisher for SEC Filing

Dreyfus Investment Portfolios

- MidCap Stock Portfolio (the “Fund”)

Incorporated herein by reference is a supplement to the Fund’s prospectus filed pursuant to Rule 497(e) under the Securities Act of 1933, as amended, on July 19, 2013 (SEC Accession No. 0001056707-13-000020).

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The fund may invest up to 20% of its net assets in securities not considered to be mid-cap companies. 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Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Prospectus Date	rr_ProspectusDate	May 01, 2013

Label	Element	Value
Midcap Stock Portfolio
Risk/Return:	rr_RiskReturnAbstract
Supplement [Text Block]	ck0001056707_SupplementTextBlock	July 19, 2013 DREYFUS INVESTMENT PORTFOLIOS - MidCap Stock Portfolio Supplement to Summary and Statutory Prospectuses dated May 1, 2013 IMPORTANT NOTICE REGARDING CHANGE IN INVESTMENT POLICY
Risk/Return [Heading]	rr_RiskReturnHeading	Midcap Stock Portfolio
Strategy Narrative [Text Block]	rr_StrategyNarrativeTextBlock	Effective on or about October 1, 2013, the following information will supplement the “Principal Investment Strategy” in the Summary prospectus and “Fund Summary –Principal Investment Strategy” and “Fund Details – Goal and Approach” sections in the prospectus: The fund currently considers mid-cap companies to be those companies with market capitalizations that fall within the range of $400 million and $29 billion. The fund may invest up to 20% of its net assets in securities not considered to be mid-cap companies.

Document and Entity Information	0 Months Ended
Document and Entity Information	Jul. 19, 2013
Risk/Return:
Document Type	497
Document Period End Date	Jul. 19, 2013
Registrant Name	DREYFUS INVESTMENT PORTFOLIOS
Central Index Key	0001056707
Amendment Flag	false
Document Creation Date	Jul. 19, 2013
Document Effective Date	Jul. 19, 2013
Prospectus Date	May 01, 2013