DDRX Diedrich Coffee (MM)

CUSIP No. 253675201 13G/A Page 2 of 9 Pages
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 (1) NAMES OF REPORTING PERSONS

 Hudson Bay Fund, LP
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 (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
 (a) [X]
 (b) [ ]
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 (3) SEC USE ONLY
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 (4) CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware
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NUMBER OF (5) SOLE VOTING POWER
 0
SHARES -----------------------------------------------------------------

BENEFICIALLY (6) SHARED VOTING POWER
 21,425 shares of Common Stock
OWNED BY -----------------------------------------------------------------

EACH (7) SOLE DISPOSITIVE POWER
 0
REPORTING -----------------------------------------------------------------

PERSON WITH: (8) SHARED DISPOSITIVE POWER

 21,425 shares of Common Stock

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 (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 21,425 shares of Common Stock
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 (10) CHECK BOX IF THE AGGREGATE AMOUNT
 IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
 [ ]
--------------------------------------------------------------------------------
 (11) PERCENT OF CLASS REPRESENTED
 BY AMOUNT IN ROW (9)
 0.37%
--------------------------------------------------------------------------------
 (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 PN
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CUSIP No. 253675201 13G/A Page 3 of 9 Pages
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 (1) NAMES OF REPORTING PERSONS

 Hudson Bay Overseas Fund, Ltd.

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 (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
 (a) [X]
 (b) [ ]
--------------------------------------------------------------------------------
 (3) SEC USE ONLY
--------------------------------------------------------------------------------
 (4) CITIZENSHIP OR PLACE OF ORGANIZATION

 Cayman Islands
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NUMBER OF (5) SOLE VOTING POWER
 0
SHARES -----------------------------------------------------------------

BENEFICIALLY (6) SHARED VOTING POWER
 30,827 shares of Common Stock
OWNED BY -----------------------------------------------------------------

EACH (7) SOLE DISPOSITIVE POWER
 0
REPORTING -----------------------------------------------------------------

PERSON WITH: (8) SHARED DISPOSITIVE POWER
 30,827 shares of Common Stock
--------------------------------------------------------------------------------
 (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 30,827 shares of Common Stock
--------------------------------------------------------------------------------
 (10) CHECK BOX IF THE AGGREGATE AMOUNT
 IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
 [ ]
--------------------------------------------------------------------------------
 (11) PERCENT OF CLASS REPRESENTED
 BY AMOUNT IN ROW (9)
 0.53%
--------------------------------------------------------------------------------
 (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 CO
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CUSIP No. 253675201 13G/A Page 4 of 9 Pages
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 (1) NAMES OF REPORTING PERSONS

 Hudson Bay Capital Management, L.P.

--------------------------------------------------------------------------------
 (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
 (a) [X]
 (b) [ ]
--------------------------------------------------------------------------------
 (3) SEC USE ONLY
--------------------------------------------------------------------------------
 (4) CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware
--------------------------------------------------------------------------------
NUMBER OF (5) SOLE VOTING POWER
 0
SHARES -----------------------------------------------------------------

BENEFICIALLY (6) SHARED VOTING POWER
 52,252 shares of Common Stock

OWNED BY -----------------------------------------------------------------

EACH (7) SOLE DISPOSITIVE POWER
 0
REPORTING -----------------------------------------------------------------

PERSON WITH: (8) SHARED DISPOSITIVE POWER
 52,252 shares of Common Stock
--------------------------------------------------------------------------------
 (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 52,252 shares of Common Stock
--------------------------------------------------------------------------------
 (10) CHECK BOX IF THE AGGREGATE AMOUNT
 IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
 [ ]
--------------------------------------------------------------------------------
 (11) PERCENT OF CLASS REPRESENTED
 BY AMOUNT IN ROW (9)
 0.90%
--------------------------------------------------------------------------------
 (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 PN
--------------------------------------------------------------------------------

CUSIP No. 253675201 13G/A Page 5 of 9 Pages
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 (1) NAMES OF REPORTING PERSONS

 Sander Gerber
--------------------------------------------------------------------------------
 (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
 (a) [X]
 (b) [ ]
--------------------------------------------------------------------------------
 (3) SEC USE ONLY
--------------------------------------------------------------------------------
 (4) CITIZENSHIP OR PLACE OF ORGANIZATION

 United States
--------------------------------------------------------------------------------
NUMBER OF (5) SOLE VOTING POWER
 0
SHARES -----------------------------------------------------------------

BENEFICIALLY (6) SHARED VOTING POWER
 52,252 shares of Common Stock

OWNED BY -----------------------------------------------------------------

EACH (7) SOLE DISPOSITIVE POWER
 0
REPORTING -----------------------------------------------------------------

PERSON WITH: (8) SHARED DISPOSITIVE POWER
 52,252 shares of Common Stock

--------------------------------------------------------------------------------
 (9) AGGREGATE AMOUNT BENEFICIALLY OWNED
 BY EACH REPORTING PERSON
 52,252 shares of Common Stock

--------------------------------------------------------------------------------
 (10) CHECK BOX IF THE AGGREGATE AMOUNT
 IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
 [ ]
--------------------------------------------------------------------------------
 (11) PERCENT OF CLASS REPRESENTED
 BY AMOUNT IN ROW (9)
 0.90%
--------------------------------------------------------------------------------
 (12) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 IN
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CUSIP No. 253675201 13G/A Page 6 of 9 Pages
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Item 1.

(a) Name of Issuer

 Diedrich Coffee, Inc., a Delaware corporation (the "Company")

(b) Address of Issuer's Principal Executive Offices

 28 Executive Park
 Irvine, CA 92614

Item 2(a). Name of Person Filing

 This statement is filed by the entities and persons listed below, who are
 collectively referred to herein as "Reporting Persons," with respect to
 the shares of Common Stock beneficially owned by the Reporting Person.

FUNDS

(i) Hudson Bay Fund, LP, with respect to the shares of Common Stock beneficially
 owned by it.

(ii) Hudson Bay Overseas Fund, Ltd. with respect to the shares of Common Stock
 beneficially owned by it.

 INVESTMENT MANAGER

(iii) Hudson Bay Capital Management, L.P., (the "Investment Manager"),
 with respect to the shares of Common Stock beneficially owned by Hudson
 Bay Fund, LP and Hudson Bay Overseas Fund, Ltd. (together, the "Hudson
 Bay Funds") and to which the Investment Manager serves as investment
 manager.

 REPORTING INDIVIDUAL

(iv) Mr. Sander Gerber ("Mr. Gerber"), with respect to the shares of
 Common Stock held by each of the Hudson Bay Funds.


 The Investment Manager serves as the investment manager to each of the
 Hudson Bay Funds. Mr. Gerber is an executive officer of the Investment
 Manager.

CUSIP No. 253675201 13G/A Page 7 of 9 Pages

Item 2(b). Address of Principal Business Office or, if none, Residence

 The address of the principal business office of Hudson Bay Overseas Fund,
 Ltd. is:

 Walkers SPV Limited, Walker House
 PO Box 908GT, Mary Street
 Georgetown, Grand Cayman
 Cayman Islands

 The address of the principal business office of each of the other
 Reporting Persons is:

 120 Broadway, 40th Floor
 New York, NY 10271

Item 2(c). Citizenship

 Citizenship is set forth in Row 4 of the cover page for each Reporting
 Person hereto and is incorporated herein by reference for each such
 Reporting Person.

Item 2(d) Title of Class of Securities

 Common Stock, par value $0.01 per share (the "Common Stock")


Item 2(e) CUSIP Number

 253675201

Item 3. If this statement is filed pursuant to ss.240.13d-1(b) or
240.13d-2(b) or (c), check whether the person filing is a:

(a) [ ] Broker or dealer registered under Section 15 of the Act (15 U.S.C.
 78o).

(b) [ ] Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in Section 3(a)(19) of the Act (15
 U.S.C. 78c).

(d) [ ] Investment company registered under Section 8 of the Investment
 Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with ss.240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with
 ss.240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with
 ss.240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings association as defined in Section 3(b) of the Federal
 Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment
 company under Section 3(c)(14) of the Investment Company Act of 1940
 (15 U.S.C. 80a-3);

(j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

CUSIP No. 253675201 13G/A Page 8 of 9 Pages
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Item 4. Ownership

 Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.

 The information required by Items 4(a) - (c) is set forth in Rows 5 - 11
of the cover page for each Reporting Person hereto and is incorporated
herein by reference for each such Reporting Person. The Company's quarterly
report on Form 10-Q filed on January 25, 2010, for the quarterly period ended
DEcember 31, 2009, indicates that the total number of outstanding shares of
Common Stock as of January 15,2010 was 5,726,813. The percentages set forth
on Row 11 of the cover page for each Reporting Person is based on the
Company's outstanding shares of Common Stock.


 The Investment Manager, which serves as the investment manager to the
Hudson Bay Funds, may be deemed to be the beneficial owner of all shares of
Common Stock owned by the Hudson Bay Funds. Mr. Gerber, as executive officer
of the Investment Manager, with the power to exercise investment discretion,
may be deemed to be the beneficial owner of all shares of Common Stock owned
by the Hudson Bay Funds. Each of the Investment Manager and the Reporting
Individual hereby disclaims any beneficial ownership of any such shares of
Common Stock, except for their pecuniary interest therein.

Item 5. Ownership of Five Percent or Less of a Class

 If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of more than
five percent of the class of securities, check the following: [X]

Item 6. Ownership of More than Five Percent on Behalf of Another Person

 Not applicable.

Item 7. Identification and Classification of the Subsidiary Which Acquired
 the Security Being Reported on by the Parent Holding Company

 Not applicable.

Item 8. Identification and Classification of Members of the Group

 Not applicable.



Item 9. Notice of Dissolution of Group

 Not applicable.

Item 10. Certification

 By signing below each of the undersigned certifies that, to the best of
Its knowledge and belief, the securities referred to above were not acquired and
are not held for the purpose of or with the effect of changing or influencing
the control of the issuer of the securities and were not acquired and are not
held in connection with or as a participant in any transaction having that
purpose or effect.

CUSIP No. 253675201 13G/A Page 9 of 9 Pages
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SIGNATURES

 After reasonable inquiry and to the best of its knowledge and belief, each
of the undersigned certifies that the information with respect to it set forth
in this statement is true, complete, and correct.

Dated: February 16, 2010

HUDSON BAY FUND, L.P. HUDSON BAY OVERSEAS FUND, LTD.

By: Hudson Bay Capital Management, L.P. By: Hudson Bay Capital Management, L.P.
Investment Manager Investment Manager

By: /s/ Sander Gerber By: /s/ Sander Gerber
Name: Sander Gerber Name: Sander Gerber
Title: Authorized Signatory Title: Authorized Signatory



HUDSON BAY CAPITAL MANAGEMENT, L.P. /s/ Sander Gerber
 SANDER GERBER
By: /s/ Sander Gerber
Name: Sander Gerber
Title: Authorized Signatory