UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                    FORM N-PX

         ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT
                               INVESTMENT COMPANY



Investment Company Act file number:                  811-21686

Exact name of registrant as specified in charter:    Oppenheimer Portfolio
                                                     Series

Address of principal executive offices:              6803 South Tucson Way
                                                     Centennial, CO 80112-3924

Name and address of agent for service:               Robert G. Zack,
                                                     Executive Vice President &
                                                     General Counsel
                                                     OppenheimerFunds, Inc.
                                                     Two World Financial Center
                                                     225 Liberty Street
                                                     New York, NY 10281-1008

Registrant's telephone number, including area code:  303-768-3200

Date of fiscal year end:                             01/31

Date of reporting period:                            07/01/2009-06/30/2010

Item 1. Proxy Voting Record:  Please note that the Conservative Investor Fund,
        Equity Investor Fund, and Moderate Investor Fund held no voting
        securities during the period covered by this report.  No records are
        attached for those series.


============================= ACTIVE ALLOCATION FUND ===========================


Oppenheimer Midcap Fund

Ticker:       OMDYX          Security ID:  683980403
Meeting Date: July 10, 2009   Meeting Type: Special
Record Date:  April 23, 2009

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1     Elect David K. Downes as Trustee          For       For        Management
2     Elect Matthew P. Fink as Trustee          For       For        Management
3     Elect Phillip A. Griffiths as Trustee     For       For        Management
4     Elect Mary F. Miller as Trustee           For       For        Management
5     Elect Joel W. Motley as Trustee           For       For        Management
6     Elect John V. Murphy as Trustee           For       For        Management
7     Elect Mary Ann Tynan as Trustee           For       For        Management
8     Elect Joseph M. Wikler as Trustee         For       For        Management
9     Elect Peter I. Wold as Trustee            For       For        Management
10    Elect Brian F. Wruble as Trustee          For       For        Management
11    Approve Plan of Reorganization            For       For        Management



                            SIGNATURES

Pursuant to the requirements of the Investment Company Act of 1940, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.

Registrant:  Oppenheimer Portfolio Series, on behalf of Active Allocation Fund,
             Conservative Investor Fund, Equity Investor Fund, and Moderate
             Investor Fund

By:          William F. Glavin, Jr.*
             --------------
             William F. Glavin, Jr.
             President and Principal Executive Officer

Date:        August 23, 2010

*By:         /s/ Randy Legg
             --------------
             Randy Legg, Attorney in Fact