SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                  SCHEDULE 13G
                                 (Rule 13d-102)


             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED
                            PURSUANT TO RULE 13d-2(b)

                                (Amendment No. )*


                             Sorrento Networks Corp.
--------------------------------------------------------------------------------
                                (Name of Issuer)


                          Common Stock, $.001 par value
--------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    83586Q209
--------------------------------------------------------------------------------
                                 (CUSIP Number)


                                January 30, 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:

          [_] Rule 13d-1(b)

          [X] 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 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.  83586Q209
           ---------------------

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

     Kingdon 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 SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5.   SOLE VOTING POWER

     872,093

6.   SHARED VOTING POWER

     N/A

7.   SOLE DISPOSITIVE POWER

     872,093

8.   SHARED DISPOSITIVE POWER

     N/A

9.   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     872,093

10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

                                                                      [_]

11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     8.10%

12.  TYPE OF REPORTING PERSON*

     CO

--------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



CUSIP No.  83586Q209
           ---------------------

Item 1(a).  Name of Issuer:

            Sorrento Networks Corp.
            --------------------------------------------------------------------

Item 1(b).  Address of Issuer's Principal Executive Offices:

            9990 Mesa Rim Road
            San Diego, California 92121
            --------------------------------------------------------------------

Item 2(a).  Name of Person Filing:

            Kingdon Capital Management, LLC
            --------------------------------------------------------------------

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

            152 West 57th Street
            New York, NY 10019
            --------------------------------------------------------------------

Item 2(c).  Citizenship:

            Delaware limited liability company
            --------------------------------------------------------------------

Item 2(d).  Title of Class of Securities:

            Common Stock, $.001 par value

            --------------------------------------------------------------------

Item 2(e).  CUSIP Number:

            83586Q209
            --------------------------------------------------------------------

Item 3.     If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b)
            or (c), 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 adviser 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).

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.

     (a)  Amount beneficially owned:

          872,093
          ----------------------------------------------------------------------

     (b)  Percent of class:

          8.10%
          ----------------------------------------------------------------------

     (c)  Number of shares as to which such person has:

          (i)  Sole power to vote or to direct the vote
                                                               872,093
                                                               ----------------,

         (ii)  Shared power to vote or to direct the vote
                                                                     0
                                                               ----------------,

        (iii)  Sole power to dispose or to direct the
               disposition of
                                                               872,093
                                                               ----------------,
         (iv)  Shared power to dispose or to direct the
               disposition of
                                                                     0
                                                               ----------------.

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.

     If any other person is known to have the right to receive or the power to
direct the receipt of dividends from, or the proceeds from the sale of, such
securities, a statement to that effect should be included in response to this
item and, if such interest relates to more than five percent of the class, such
person should be identified. A listing of the shareholders of an investment
company registered under the Investment Company Act of 1940 or the beneficiaries
of employee benefit plan, pension fund or endowment fund is not required.

          N/A
          ----------------------------------------------------------------------

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

     If a parent holding company or Control person has filed this schedule,
pursuant to Rule 13d-1(b)(1)(ii)(G), so indicate under Item 3(g) and attach an
exhibit stating the identity and the Item 3 classification of the relevant
subsidiary. If a parent holding company or control person has filed this
schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating
the identification of the relevant subsidiary.

          N/A
          ----------------------------------------------------------------------

Item 8.      Identification  and  Classification  of Members of the Group.

     If a group has filed this schedule pursuant to ss.240.13d-1(b)(1)(ii)(J),
so indicate under Item 3(j) and attach an exhibit stating the identity and Item
3 classification of each member of the group. If a group has filed this schedule
pursuant to ss.240.13d-1(c) or ss.240.13d-1(d), attach an exhibit stating the
identity of each member of the group.

          N/A
          ----------------------------------------------------------------------

Item 9.      Notice of Dissolution of Group.

     Notice of dissolution of a group may be furnished as an exhibit stating the
date of the dissolution and that all further filings with respect to
transactions in the security reported on will be filed, if required, by members
of the group, in their individual capacity. See Item 5.

          N/A
          ----------------------------------------------------------------------

Item 10.     Certifications.

     (a)  The following certification shall be included if the statement is
          filed pursuant to Rule 13d-1(b):

          "By signing below I certify that, to the best of my knowledge and
          belief, the securities referred to above were acquired and are held in
          the ordinary course of business and were not acquired and 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 such purpose or effect."

     (b)  The following certification shall be included if the statement is
          filed pursuant to Rule 13d-1(c):

          "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 such purpose or effect."


                                    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.



                                                           April 1, 2004
                                                  -----------------------------
                                                              (Date)



                                                       /s/ Peter J. Cobos
                                                  -----------------------------
                                                           (Signature)



                                                  Peter J. Cobos
                                                  Chief Financial Officer
                                                  (Name/Title)

Note. Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Rule 13d-7 for other parties
for whom copies are to be sent.

Attention. Intentional misstatements or omissions of fact constitute federal
criminal violations (see 18 U.S.C. 1001).


48400.0002 #476119