UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13G
                                 (Rule 13d-102)


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


                           Arena Pharmaceuticals, Inc.
--------------------------------------------------------------------------------
                                (Name of Issuer)


                                  Common Stock
--------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                   040047 10 2
--------------------------------------------------------------------------------
                                 (CUSIP Number)


                                November 17, 2004
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

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

[_] Rule13d-1(b)
[X] Rule13d-1(c)
[_] Rule13d-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).




CUSIP No. 040047 10 2                  13G                     Page 2 of 6 Pages

----- --------------------------------------------------------------------------
  1   NAME OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

      Versant Capital Management LLC
----- --------------------------------------------------------------------------
  2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                  (a) [ ]
                                                                         (b) [ ]
----- --------------------------------------------------------------------------
  3   SEC USE ONLY

----- --------------------------------------------------------------------------
  4   CITIZENSHIP OR PLACE OF ORGANIZATION

      Delaware
----- ----------------------------  -----  -------------------------------------
       NUMBER OF                      5    SOLE VOTING POWER
        SHARES
      BENEFICIALLY                         1,500,000
       OWNED BY                     -----  -------------------------------------
         EACH                         6    SHARED VOTING POWER
      REPORTING
     PERSON WITH                           0
                                    -----  -------------------------------------
                                      7    SOLE DISPOSITIVE POWER

                                           1,500,000
                                    -----  -------------------------------------
                                      8    SHARED DISPOSITIVE POWER

                                           0
----- --------------------------------------------------------------------------
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      1,500,000
----- --------------------------------------------------------------------------
 10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
      CERTAIN SHARES*                                                        [ ]
----- --------------------------------------------------------------------------
 11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

      5.7%
----- --------------------------------------------------------------------------
 12   TYPE OF REPORTING PERSON*

      OO
----- --------------------------------------------------------------------------



CUSIP No. 040047 10 2                  13G                     Page 3 of 6 Pages

----- --------------------------------------------------------------------------
  1   NAME OF REPORTING PERSONS
      I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

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

      American
----- --------------------------------------------------------------------------
       NUMBER OF                      5    SOLE VOTING POWER
        SHARES
      BENEFICIALLY                         0 (See Item 4)
       OWNED BY                     -----  -------------------------------------
         EACH                         6    SHARED VOTING POWER
      REPORTING
     PERSON WITH                           0 (See Item 4)
                                    -----  -------------------------------------
                                      7    SOLE DISPOSITIVE POWER

                                           0 (See Item 4)
                                    -----  -------------------------------------
                                      8    SHARED DISPOSITIVE POWER

                                           0 (See Item 4)
----- --------------------------------------------------------------------------
  9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      0 (See Item 4)
----- --------------------------------------------------------------------------
 10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
      SHARES*                                                                [X]
----- --------------------------------------------------------------------------
 11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

      0.0%
----- --------------------------------------------------------------------------
 12   TYPE OF REPORTING PERSON*

      IN
----- --------------------------------------------------------------------------



CUSIP No. 040047 10 2                  13G                     Page 4 of 6 Pages

ITEM 1(a).        Name of Issuer:
                  Arena Pharmaceuticals, Inc.

ITEM 1(b).        Address of Issuer's Principal Executive Offices:
                  6166 Nancy Ridge Drive
                  San Diego, CA

ITEM 2(a).        Name of Person Filing:
                  Versant Capital Management LLC
                  Herriot Tabuteau

ITEM 2(b).        Address of Principal Business Office or, if None, Residence:
                  Versant Capital Management LLC
                  45 Rockefeller Plaza
                  Suite 2074
                  New York, New York 10111

                  Herriot Tabuteau
                  c/o Versant Capital Management LLC
                  45 Rockefeller Plaza
                  Suite 2074
                  New York, New York 10111

ITEM 2(c).        Citizenship:
                  See Item 4 of cover pages.

ITEM 2(d).        Title of Class of Securities:
                  Common Stock, $.0001 par value per share (the "Common Stock").

ITEM 2(e).        CUSIP Number:
                  040047 10 2

ITEM 3.           If this statement is filed pursuant to Rule 13d-1(b), or
                  13d-2(b), check whether the person filing is a:

         (a)  [ ]  Broker or Dealer registered under Section 15 of the Exchange
                   Act.

         (b)  [ ]  Bank as defined in section 3(a)(6) of the Exchange Act.

         (c)  [ ]  Insurance Company as defined in section 3(a)(19) of the
                   Exchange Act.

         (d)  [ ]  Investment Company registered under section 8 of the
                   Investment Company Act.

         (e)  [ ]  An investment advisor in accordance with 
                   Rule 13d-1(b)(1)(ii)(E);

         (f)  [ ]  An employee benefit plan or endowment fund in accordance with
                   Rule 13d-1(b)(1)(ii)(F);

         (g)  [ ]  A parent holding company or control person in accordance with
                   Rule 13d-1(b)(1)(ii)(G);

         (h)  [ ]  A savings association as defined in Section 3(b) of the
                   Federal Deposit Insurance Act;

         (i)  [ ]  A church plan that is excluded from the definition of an
                   investment company under section 3(c)(14) of the Investment
                   Company Act;

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

         If this statement is filed pursuant to Rule 13d-1(c), check 
this box.  [X]



CUSIP No. 040047 10 2                  13G                     Page 5 of 6 Pages

ITEM 4.           Ownership.

         (a)      Amount beneficially owned:

                  Versant Capital Management LLC owns an aggregate of 1,500,000
                  shares of outstanding Common Stock. Herriot Tabuteau is the
                  managing member of Versant Capital Management LLC and so may
                  be deemed to beneficially own such shares of Common Stock. Mr.
                  Tabuteau disclaims such beneficial ownership.

         (b)      Percent of class:

                  5.7%, based upon 26,531,496 shares outstanding on October 29,
                  2004. 
        
         (c)      Number of shares as to which each such person has:

                  (i)      Sole power to vote or direct the vote: See Item 5 of
                           cover pages.

                  (ii)     Shared power to vote or direct the vote: See Item 6
                           of cover pages.

                  (iii)    Sole power to dispose or to direct the disposition
                           of: See Item 7 of cover pages.
                  (iv)     Shared power to dispose or to direct the disposition
                           of: See Item 8 of cover pages.

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. [ ]

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 I certify that, to the best of my 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. 040047 10 2                  13G                     Page 6 of 6 Pages

                                    SIGNATURE

     After  reasonable  inquiry and to the best of my  knowledge  and belief,  I
certify that the information  set forth in this statement is true,  complete and
correct.


                                                  November 29, 2004
                                       -----------------------------------------
                                                        (Date)


                                       VERSANT CAPITAL MANAGEMENT LLC


                                       By: /s/    Herriot Tabuteau
                                           -------------------------------------
                                           Name:  Herriot Tabuteau
                                           Title: Managing Member


                                       /s/ Herriot Tabuteau
                                       -----------------------------------------
                                       Herriot Tabuteau



                             JOINT FILING AGREEMENT

     In accordance with Rule 13d-1(f) under the Securities Exchange Act of 1934,
as amended,  the undersigned  hereby agree to the joint filing on behalf of each
of them of a statement  on Schedule  13G  (including  amendments  thereto)  with
respect to the common stock, $0.0001 par value, of Arena  Pharmaceuticals,  Inc.
and  that  this  Joint  Filing  Agreement  be  included  as an  exhibit  to such
statement.  This  Joint  Filing  Agreement  may be  executed  in any  number  of
counterparts,  all of which,  taken together,  shall constitute one and the same
instrument.

     IN WITNESS  WHEREOF,  the  undersigned  hereby  execute  this Joint  Filing
Agreement as of November 29, 2004.


                                       VERSANT CAPITAL MANAGEMENT LLC


                                       By: /s/    Herriot Tabuteau
                                           -------------------------------------
                                           Name:  Herriot Tabuteau
                                           Title: Managing Member



                                       /s/ Herriot Tabuteau
                                       -----------------------------------------
                                       Herriot Tabuteau