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etrm_sc13g.txt

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                               (Amendment No. )*


                                 EnteroMedics, Inc.
                                (Name of Issuer)

                      Common Stock, par value $0.01 per share
                          (Title of Class of Securities)

                                    29365M307
                                 (CUSIP Number)

                                December 31, 2015
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

[X] Rule 13d-1(b)

[ ] Rule 13d-1(c)

[ ] Rule 13d-1(d)

  *The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which
would alter the disclosures provided in a prior cover page.  The information
required in the remainder of this cover page shall not be deemed to be
"filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however,
see the Notes).

Page 1 of 7 Pages




CUSIP No. 29365M307                  13G                  Page 2 of 7 Pages
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     (1)    NAMES OF REPORTING PERSONS

            Hudson Bay Capital Management, L.P.

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     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                               (a)  [ ]
                                                               (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
                     11,167,324  shares of Common Stock issuable upon
                     conversion of convertible notes and/or exercise of
                     warrants

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

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

PERSON WITH:   (8)   SHARED DISPOSITIVE POWER
                     11,167,324  shares of Common Stock issuable upon
                     conversion of convertible notes and/or exercise of
                     warrants
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     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
            11,167,324  shares of Common Stock issuable upon conversion of
            convertible notes and/or exercise of warrants
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     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES
                                                                          [ ]
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     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
            9.50%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON
            PN
-----------------------------------------------------------------------------


CUSIP No. 29365M307 13G Page 3 of 7 Pages ----------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS Sander Gerber ----------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (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 11,167,324 shares of Common Stock issuable upon conversion of convertible notes and/or exercise of warrants OWNED BY -------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING -------------------------------------------------------------- PERSON WITH: (8) SHARED DISPOSITIVE POWER 11,167,324 shares of Common Stock issuable upon conversion of convertible notes and/or exercise of warrants ----------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 11,167,324 shares of Common Stock issuable upon conversion of convertible notes and/or exercise of warrants ----------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] ----------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 9.50% ----------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON IN -----------------------------------------------------------------------------

CUSIP No. 29365M307 13G Page 4 of 7 Pages ----------------------------------------------------------------------------- Item 1. (a) Name of Issuer EnteroMedics, Inc., a Delaware corporation (the "Company") (b) Address of Issuer's Principal Executive Offices 2800 Patton Road St. Paul, Minnesota 55113 Item 2(a). Name of Person Filing This statement is filed by Hudson Bay Capital Management, L.P. (the "Investment Manager") and Mr. Sander Gerber ("Mr. Gerber"), who are collectively referred to herein as "Reporting Persons." Item 2(b). Address of Principal Business Office or, if none, Residence The address of the principal business office of each of the Reporting Persons is: 777 Third Avenue, 30th Floor New York, NY 10017 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 29365M307 CUSIP No. 29365M307 13G Page 5 of 7 Pages ----------------------------------------------------------------------------- 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) [X] 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) [X] 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) [ ] A non-U.S. institution in accordance with Rule 240.13d-1(b)(1)(ii)(J); (k) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with 240.13d-1(b)(1)(ii)(J), please specify the type of institution: ____

Item 4. Ownership 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 for the quarterly period ended September 30, 2015 filed with the Securities and Exchange Commission on November 9, 2015, discloses that the total number of outstanding shares of Common Stock as of October 30, 2015 was 106,404,378. The percentage set forth on Row (11) of the cover page for each Reporting Person is based on the Company's total number of outstanding shares of Common Stock and assumes the conversion of convertible notes and the exercise of warrants. The Investment Manager, which serves as the investment manager to Hudson Bay Master Fund Ltd., in whose name the securities reported herein are held, may be deemed to be the beneficial owner of shares of Common Stock underlying the convertible notes and warrants held by Hudson Bay Master Fund Ltd. Mr. Gerber serves as the managing member of Hudson Bay Capital GP LLC, which is the general partner of the Investment Manager. Mr. Gerber disclaims beneficial ownership of these securities. Item 5. Ownership of Five Percent or Less of a Class Not applicable. Item 6. Ownership of More than Five Percent on Behalf of Another Person See Item 4. 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. CUSIP No. 29365M307 13G Page 6 of 7 Pages ----------------------------------------------------------------------------- Item 10. Certification By signing below each Reporting Person certifies that, to the best of his or its knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and 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. 29365M307 13G Page 7 of 7 Pages ----------------------------------------------------------------------------- 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 8, 2016 HUDSON BAY CAPITAL MANAGEMENT, L.P. By: /s/ Sander Gerber Name: Sander Gerber Title: Authorized Signatory /s/ Sander Gerber SANDER GERBER