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


                                  SCHEDULE 13G


                    Under the Securities Exchange Act of 1934

                               (Amendment No. 2)*


                         Red Robin Gourmet Burgers, Inc.
                                (Name of Issuer)

                          COMMON STOCK, $.001 PAR VALUE
                         (Title of Class of Securities)

                                    75689M101
                                 (CUSIP Number)


                                December 31, 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:

                                [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).



CUSIP NO. 75689M101                      13G                   Page 2 of 9 pages

1  NAME OF REPORTING PERSON
   S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

   Forstmann-Leff Associates, LLC
   52-2169043

2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

                                                (a) [ ]

                                                (b) [ ]
3  SEC USE ONLY

4  CITIZENSHIP OR PLACE OF ORGANIZATION

   Delaware

                    5  SOLE VOTING POWER
    NUMBER OF
     SHARES            616,965 shares
  BENEFICIALLY
    OWNED BY        6  SHARED VOTING POWER
      EACH
    REPORTING          268,901 shares
     PERSON
      WITH
                    7  SOLE DISPOSITIVE POWER

                       804,377 shares

                    8  SHARED DISPOSITIVE POWER

                       324,473 shares

9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          1,128,850  shares  (includes  shares  beneficially  owned by FLA Asset
          Management, LLC)


10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]


11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    7.0%

12  TYPE OF REPORTING PERSON

    IA, OO



CUSIP NO. 75689M101                      13G                   Page 3 of 9 pages

1  NAME OF REPORTING PERSON
   S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

   FLA Asset Management, LLC
   52-2169045

2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                (a) [ ]

                                                (b) [ ]

3  SEC USE ONLY

4  CITIZENSHIP OR PLACE OF ORGANIZATION

   Delaware

                    5  SOLE VOTING POWER
    NUMBER OF
     SHARES            None
  BENEFICIALLY
    OWNED BY        6  SHARED VOTING POWER
      EACH
    REPORTING          268,901 shares
     PERSON
      WITH
                    7  SOLE DISPOSITIVE POWER

                       None

                    8  SHARED DISPOSITIVE POWER

                       324,473 shares

9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    324,473 shares

10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]


11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    2.0%

12  TYPE OF REPORTING PERSON

    IA, OO



CUSIP NO. 75689M101                      13G                   Page 4 of 9 pages

1  NAME OF REPORTING PERSON
   S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

   Peconic Partners LLC (f/k/a FLA Advisers L.L.C.) 13-3942422

2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                (a) [ ]

                                                (b) [ ]
3  SEC USE ONLY

4  CITIZENSHIP OR PLACE OF ORGANIZATION

   New York

                    5  SOLE VOTING POWER
    NUMBER OF
     SHARES            None
  BENEFICIALLY
    OWNED BY        6  SHARED VOTING POWER
      EACH
    REPORTING          None
     PERSON
      WITH
                    7  SOLE DISPOSITIVE POWER

                       None

                    8  SHARED DISPOSITIVE POWER

                       None

9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    None


10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES  [ ]


11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    0%

12  TYPE OF REPORTING PERSON

    IA, OO



CUSIP NO. 75689M101                      13G                   Page 5 of 9 pages

1  NAME OF REPORTING PERSON
   S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

   Peconic Partners II LLC (f/k/a Peconic Partners, LLC)
   13-3421430

2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                (a) [ ]

                                                (b) [ ]

3  SEC USE ONLY

4  CITIZENSHIP OR PLACE OF ORGANIZATION

   Delaware

                    5  SOLE VOTING POWER
    NUMBER OF
     SHARES            None
  BENEFICIALLY
    OWNED BY        6  SHARED VOTING POWER
      EACH
    REPORTING          None
     PERSON
      WITH
                    7  SOLE DISPOSITIVE POWER

                       None

                    8  SHARED DISPOSITIVE POWER

                       None

9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

         None

10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]


11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    0%

12  TYPE OF REPORTING PERSON

    IA, OO



                                                               Page 6 of 9 pages

Item 1(a) NAME OF ISSUER:

         Red Robin Gourmet Burgers, Inc.

Item 1(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

         6312 S. Fiddler's Green Circle, Suite 200N
         Greenwood Village, CO  80111

Item 2(a) NAME OF PERSON FILING:

         See Item 1 of the cover pages attached hereto

Item 2(b) Address of Principal Business Office, or if none, residence:

         590 Madison Avenue
         New York, New York  10022

Item 2(c) CITIZENSHIP:

         See Item 4 of the cover pages attached hereto

Item 2(d) TITLE OF CLASS OF SECURITIES:

         Common Stock, $.001 par value

Item 2(e) CUSIP NUMBER:

         75689M101

Item 3    Forstmann-Leff Associates,  LLC, a Delaware limited liability company,
          is a registered investment adviser under Section 203 of the Investment
          Advisers  Act of 1940  (the  "Act").  FLA  Asset  Management,  LLC,  a
          Delaware limited liability company, is a registered investment adviser
          under the Act and a  subsidiary  of  Forstmann-Leff  Associates,  LLC.
          Peconic Partners LLC (f/k/a FLA Advisers  L.L.C.),  a New York limited
          liability company,  is a registered  investment adviser under the Act.
          Peconic  Partners II LLC (f/k/a  Peconic  Partners,  LLC),  a New York
          limited liability  company,  is a registered  investment adviser under
          the Act. The former Chairman and a consultant  until December 31, 2004
          of  Forstmann-Leff  Associates,  LLC,  William  F.  Harnisch,  is  the
          President and CEO of Peconic Partners LLC and Peconic Partners II LLC.




                                                               Page 7 of 9 pages

Item 4    OWNERSHIP:

     (a)  Amount beneficially owned:
          See Item 9 of the cover pages attached hereto

     (b)  Percent of Class:
          See Item 11 of the cover pages attached hereto

     (c)  See Items 5 through 8 of the cover pages attached hereto

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:

          Various clients of the reporting  persons have the right to receive or
          the power to direct the receipt of  dividends  from,  or the  proceeds
          from the sale of, the Common Stock of Red Robin Gourmet Burgers,  Inc.
          No one  client's  interest  in the Common  Stock of Red Robin  Gourmet
          Burgers,  Inc.  is more than  five  percent  of the total  outstanding
          Common Stock.

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 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.



                                                               Page 8 of 9 pages

                                   SIGNATURES
                                   ----------

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.

February 14, 2005

                                        FORSTMANN-LEFF ASSOCIATES, LLC


                                        By:  /s/ Kristin Mariani
                                        Chief Compliance Officer


                                        FLA ASSET MANAGEMENT, LLC


                                        By:  /s/ Forstmann-Leff Associates, LLC,
                                        its Sole Member


                                        By:  /s/ Kristin Mariani
                                        Chief Compliance Officer


                                        PECONIC PARTNERS LLC (F/K/A FLA
                                        ADVISERS L.L.C.)


                                        By:  /s/ Joseph Sullivan
                                        Chief Operating Officer


                                        PECONIC PARTNERS II LLC (F/K/A
                                        PECONIC PARTNERS, LLC)


                                        By:  /s/ Joseph Sullivan
                                        Chief Operating Officer




                                                               Page 9 of 9 pages

                                                                       Exhibit A

                                    AGREEMENT
                                    ---------

         The undersigned,  Forstmann-Leff Associates, LLC, FLA Asset Management,
LLC,  Peconic  Partners LLC (f/k/a FLA Advisers  L.L.C.) and Peconic Partners II
LLC  (f/k/a  Peconic  Partners,  LLC),  agree that the  statement  to which this
exhibit is appended is filed on behalf of each of them.


February 14, 2005

                                        FORSTMANN-LEFF ASSOCIATES, LLC


                                        By:  /s/ Kristin Mariani
                                        Chief Compliance Officer


                                        FLA ASSET MANAGEMENT, LLC


                                        By:  /s/ Forstmann-Leff Associates, LLC,
                                        its Sole Member


                                        By:  /s/ Kristin Mariani
                                        Chief Compliance Officer


                                        PECONIC PARTNERS LLC (F/K/A FLA
                                        ADVISERS L.L.C.)


                                        By:  /s/ Joseph Sullivan
                                        Chief Operating Officer


                                        PECONIC PARTNERS II LLC (F/K/A
                                        PECONIC PARTNERS, LLC)


                                        By:  /s/ Joseph Sullivan
                                        Chief Operating Officer