- Monthly Schedule of Portfolio Holdings of Money Market Funds (N-MFP)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM N-MFP MONTHLY SCHEDULE OF PORTFOLIO HOLDINGS OF MONEY MARKET FUNDS

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1. Identity Information

Is this an electronic copy of an official filing submitted in paper format? No

Report date: January 31, 2011

CIK Number of Registrant: 0000862157

EDGAR Series Identifier: S000005956

Total number of share classes in the series: 1

Do you anticipate this will be the fund's final filing on Form N-MFP? No

If this is not a final filing, has the fund acquired or merged with another fund since the last filing? No

Part 1: Information about the Fund

A. Series-Level Information

Item 1. Securities Act File Number: 033-34079

Item 2. Investment Adviser

Adviser	SEC file number
Deutsche Investment Management Americas Inc.	801-252

Item 3. Sub-Adviser. If a fund has one or more sub-advisers, disclose the name of each sub-adviser

Item 4. Independent Public Accountant

Name	City	State
PricewaterhouseCoopers LLP	Boston	MA

Item 5. Administrator. If a fund has one or more administrators, disclose the name of each administrator

Administrator
Deutsche Investment Management Americas Inc.

Item 6. Transfer Agent

Name	CIK number	SEC file number
DWS Investments Service Company	0000842657	84-01713

Item 7. Master-Feeder Funds. Is this a feeder fund? Yes

a. Identify the master fund by CIK

b. Securities Act file number of the master fund

c. EDGAR series identifier of the master fund

Master Fund Information

CIK	Name	Securities Act file number	EDGAR series identifier
	Cash Management Portfolio

Item 8. Master-Feeder Funds. Is this a master fund? No

a. If this is a master fund, identify all feeder funds by CIK or, if the fund does not have a CIK, by name

b. Securities Act file number of each feeder fund

c. EDGAR series identifier of each feeder fund

Item 9. Is this series primarily used to fund insurance company separate accounts? No

Item 10. Category. Indicate the category that most closely identifies the money market fund: Prime

Item 11. Dollar weighted average portfolio maturity: 1 days

Item 12. Dollar weighted average life maturity. Calculate the dollar weighted average portfolio maturity without reference to the exceptions in rule 2a-7(d) regarding interest rate readjustments: 1 days

Item 13. Total value of portfolio securities at amortized cost, to the nearest cent: $1,980,218,083.91

Item 14. Total value of other assets, to the nearest cent: $1,180,123.54

Item 15. Total value of liabilities, to the nearest cent: $1,805,223.59

Item 16. Net assets of the series, to the nearest cent: $1,979,592,983.86

Item 17. 7-day gross yield: 0.33%

Item 18. Shadow Price of the Series

a. The net asset value per share most recently calculated using available market quotations (or an appropriate substitute that reflects current market conditions), including the value of any capital support agreement, to the nearest hundredth of a cent.
$1.0000

b. Date as of which the market-based net asset value disclosed in item 18a was calculated.
2011-01-31

c. The net asset value per share most recently calculated using available market quotations (or an appropriate substitute that reflects current market conditions), excluding the value of any capital support agreement, to the nearest hundredth of a cent.
$1.0000

d. Date as of which the market-based net asset value disclosed in item 18c was calculated.
2011-01-31

B. Class-Level Information. For each Class of the Series, disclose the following:

Item 19. EDGAR Class Identifier: C000016410

Item 20. Minimum Initial Investment: $1,000,000.00

Item 21. Net assets of the Class, to the nearest cent: $1,979,592,983.86

Item 22. Net asset value per share for purposes of distributions, redemptions, and repurchase, to the nearest cent: $1.00

Item 23. Net shareholder flow activity for the month ended (subscriptions less redemptions), to the nearest cent: -$553,526,444.62

a. Gross subscriptions for the month ended (Including dividend reinvestments), to the nearest cent
$855,006,580.38

b. Gross redemptions for the month ended, to the nearest cent
$1,408,533,025.00

Item 24. 7-day net yield, as calculated under Item 26(a)(1) of Form N-1A: 0.02%

Item 25. Shadow Price of Each Class

a. The net asset value per share most recently calculated using available market quotations (or an appropriate substitute that reflects current market conditions), including the value of any capital support agreement, to the nearest hundredth of a cent.
$1.0000

b. Date as of which the market-based net asset value disclosed in item 25a was calculated.
2011-01-31

c. The net asset value per share most recently calculated using available market quotations (or an appropriate substitute that reflects current market conditions), excluding the value of any capital support agreement, to the nearest hundredth of a cent.
$1.0000

d. Date as of which the market-based net asset value disclosed in item 25c was calculated.
2011-01-31

Part II - Schedule of Portfolio Securities

Security. For each security held by the money market fund, disclose the following:

Item 26. The name of the issuer: Cash Management Portfolio

Item 27. The title of the issue (including coupon or yield): Cash Management Portfolio

Item 28. The CUSIP. If the security has a CUSIP, filers must provide the security's CUSIP pursuant to this Item and may skip Items 29 and 30: [Not Provided]

Item 29. Other unique identifier, if the security has a unique identifier. If a CUSIP is provided pursuant to Item 28, skip this Item: FDeamKE0A

Item 30. CIK of the issuer, if the issuer has a CIK. If a CUSIP is provided pursuant to Item 28, skip this Item: [Not Provided]

Item 31. The category of investment. Indicate the category that most closely identitfies the instrument: Investment Company

Brief description: (optional): [Not Provided]

Item 32. If the security is a Repurchase agreement: is fund treating the acquisition of the repurchase agreement as the aquisition of the underlying securities (i.e. collateral) for the purposes of portfolio diversification under rule 2a-7? No

Name of the issuer	Maturity date	Coupon or yield	Category of investment (If Other Instrument, include a brief description)	Principal amount (to the nearest cent)	Value of collateral

If multiple securities of an issuer are subject to the repurchase agreement, the securities may be aggregated, in which case disclose:
(a) the total principal amount and value and (b) the range of maturity dates and interest rates.

Item 33. Rating. Indicate whether the security is a rated First Tier Security, rated Second Tier Security, an Unrated Security, or no longer an Eligible Security: Unrated Security

Item 34. Name of each Designated NRSRO:

Name of Designated NRSRO	Credit rating given by the Designated NRSRO
N/A	N/A

Item 35. The maturity date as determined under rule 2a-7. Determine the maturity date, taking into account the maturity shortening provisions of rule 2a-7(d): 2011-02-01

Item 36. The final legal maturity date, taking into account any maturity date extensions that may be effected at the option of the issuer: 2011-02-01

Item 37. Does the security have a Demand Feature? No

Item 38. Does the security have a Guarantee? No

Item 39. Does the security have any enhancements, other than those identified in Items 37 and 38 above, on which the fund is relying to determine the quality, maturity or liquidity of the security? No

Item 40. The total principal amount of the security held by the series, to the nearest cent: $1,980,218,083.91

Item 41. The total current amortized cost, to the nearest cent: $1,980,218,083.91

Item 42. The percentage of the money market fund's net assets invested in the security, to the nearest hundredth of a percent: 100%

Item 43. Explanatory notes. Disclose any other information that may be material to other disclosures related to the portfolio security:

Item 44. Is this an Illiquid Security as of the date of this report? No

Item 45. The value of the security, calculated using available market quotations (or an appropriate substitute that reflects current market conditions), including the value of any capital support agreement, to the nearest cent: $1,980,218,083.91

Item 46. The value of the security, calculated using available market quotations (or an appropriate substitute that reflects current market conditions), excluding the value of any capital support agreement, to the nearest cent: $1,980,218,083.91