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  811-06073

Cash Management Portfolio

(Exact name of registrant as specified in charter)

345 Park Avenue

New York, NY  10154

(Address of principal executive offices)             (Zip code)

John Millette

Secretary

One Beacon Street

Boston, MA  02108-3106

(Name and address of agent for service)

Registrant's telephone number, including area code:  617-295-1000

Date of fiscal year end:  12/31

Date of reporting period:  7/1/10-6/30/11

******************************* FORM N-Px REPORT *******************************

ICA File Number: 811-06073

Reporting Period: 07/01/2010 - 06/30/2011

Cash Management Portfolio

======================= A      CASH MANAGEMENT PORTFOLIO =======================

There is no proxy voting activity for the fund, as the fund did not hold any

votable positions during the reporting period.

========== END NPX REPORT

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)                      Cash Management Portfolio

By (Signature and Title)  /s/W. Douglas Beck

W. Douglas Beck, Chief Executive Officer and President

Date  8/18/11