SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                  Schedule 13G


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


                                COTT CORPORATION
                    _______________________________________
                                (Name of Issuer)


                                  Common Stock
                    _______________________________________
                         (Title of Class of Securities)


                                   22163N106
                    _______________________________________
                                 (CUSIP Number)


Check the following box if a fee is being paid with this statement
____.  (A fee is not required only if the filing person: (1) has a
previous statement on file reporting beneficial ownership of more
than five percent of the class of securities described in Item 1;
and (2) has filed no amendment subsequent thereto reporting
beneficial ownership of five percent or less of such class.)  (See
Rule 13d-7.)

*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).

                 (Continued on following page(s))





CUSIP NO. 22163N106                  13G                      Page 2 of 4 Pages
-------------------------------------------------------------------------------
1  Name of Reporting Person
   S.S. or I.R.S. Identification No. of Above Person
   
   AMVESCAP PLC
   Aim Funds Management, Inc.
   Atlantic Trust Company, N.A.
-------------------------------------------------------------------------------
2  Check the Appropriate Box if a Member of a Group*

                                                      (a) [ ]
   NOT APPLICABLE                                     (b) [ ]
-------------------------------------------------------------------------------
3  SEC Use Only


-------------------------------------------------------------------------------
4  Citizenship or Place of Organization

   CA
-------------------------------------------------------------------------------
Number of      5  Sole Voting Power
               **
Shares            7,277,320
               ---------------------------------------------------------------- 
Beneficially   6  Shared Voting Power
               **
Owned By Each     -0-
               ---------------------------------------------------------------- 
Reporting      7  Sole Dispositive Power
               **
Person            7,277,320
               ---------------------------------------------------------------- 
With           8  Shared Dispositive Power

                  -0-
-------------------------------------------------------------------------------
9  Aggregate Amount Beneficially Owned by Each Reporting Person

   7,277,320
-------------------------------------------------------------------------------
10 Check Box if the Aggregate Amount in Row (9) Excludes Certain
   Shares*

   NOT APPLICABLE
-------------------------------------------------------------------------------
11 Percent of Class Represented by Amount in Row 9

   10.16812
-------------------------------------------------------------------------------
12 Type of Reporting Person*

   IA, HC. See Items 2 and 3 of this statement.
-------------------------------------------------------------------------------

               *SEE INSTRUCTION BEFORE FILLING OUT!
         **Any shares reported in Items 5 and 6 are also
                       reported in Item 7.



Page 3 of 4 Pages

SCHEDULE 13G


Item 1(a) Name of Issuer:

          Cott Corporation

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

          207 Queens Quay West, Suite 340, Toronto, Ontario
          M5J 1A7, Canada

Item 2(a)         Name of Person Filing:
                  AMVESCAP PLC

                  In accordance with Securities and Exchange Commission Release
                  No. 34-39538 (January 12, 1998), this statement on Schedule
                  13G or amendment thereto is being filed by AMVESCAP PLC
                  ("AMVESCAP"), a U.K. entity, on behalf of itself and its
                  subsidiaries listed in Item 4 of the cover of this statement.
                  AMVESCAP through such subsidiaries provides investment
                  management services to institutional and individual investors
                  worldwide.

                  Executive officers and directors of AMVESCAP or its
                  subsidiaries may beneficially own shares of the securities of
                  the issuer to which this statement relates (the "Shares"), and
                  such Shares are not reported in this statement. AMVESCAP and
                  its subsidiaries disclaim beneficial ownership of Shares
                  beneficially owned by any of their executive officers and
                  directors. Each of AMVESCAP's direct and indirect subsidiaries
                  also disclaim beneficial ownership of Shares beneficially
                  owned by AMVESCAP and any other subsidiary.


Item 2(b)         Address of Principal Business Office:
                  11 Devonshire Square
                  London EC2M 4YR
                  England


Item 2(c)         Citizenship:
                  See the response to Item 2(a) of this statement.


Item 2(d)         Title of Class of Securities:
                  Common Stock, $.01 par value per share


Item 2(e)         CUSIP Number:
                  22163N106


Item 3            Type of Reporting Person:
                  An investment adviser in accordance with section 240.13d-1(b)
                  (1)(ii)(E)
                  A parent holding company or control person in
                  accordance with section 240.13d-1(b)(1)(ii)(G)

                  As noted in Item 2 above, AMVESCAP is making this filing on
                  behalf of its subsidiaries listed herein. Each of these
                  entities is either an investment adviser registered with the
                  United States Securities Exchange Commission under Section 203
                  of the Investment Advisers Act of 1940, as amended, or under
                  similar laws of other jurisdictions. AMVESCAP is a holding
                  company.





Page 4 of 4 Pages

SCHEDULE 13G



Item 4            Ownership:
                  Please see responses to Items 5-8 on the cover of this
                  statement which are incorporated herein by reference.


Item 5            Ownership of Five Percent or Less of a Class:
                  N/A


Item 6            Ownership of More than Five Percent on Behalf of Another
                  Person:
                  N/A


Item 7            Identification and Classification of the Subsidiary Which
                  Acquired the Security Being Reporting on By the Parent Holding
                  Company:
                  Please see Item 3 of this statement, which is incorporated
                  herein by reference.


Item 8            Identification and Classification of Members of the Group:
                  N/A


Item 9            Notice of Dissolution of a Group:
                  N/A


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.

                  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.


                                      July 13, 2005
                                      -----------------------------------------
                                      Date



                                      /s/  HAL LIEBES
                                      -----------------------------------------
                                      Signature


                                      Hal Liebes
                                      Group Compliance Officer
                                      AMVESCAP PLC