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

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934

                               (Amendment No. 6)*

                                Cott Corporation
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                                (Name of Issuer)

                                  Common Stock
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                         (Title of Class of Securities)

                                    22163N106
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                                 (CUSIP Number)

                                 March 31, 2008
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             (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).



                                  SCHEDULE 13G

CUSIP No.         22163N106

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    1.   Names of Reporting Persons. I.R.S. Identification Nos. of above
         persons (entities only).
         Invesco Ltd.
             AIM Funds Management Inc.
             Invesco PowerShares Capital Management LLC

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    2.   Check the Appropriate Box if a Member of a Group (see Instructions)
         (a)
         (b)

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    3.   SEC Use Only  _______________________________________________

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    4.   Citizenship or Place of Organization Invesco Ltd. - Bermuda
             AIM Funds Management Inc. - Canada
             Invesco PowerShares Capital Management LLC - US

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                   5.   Sole Voting Power 2,931,935: Such
                        shares are held by the following
                        entities in the respective amounts
                        listed:

                         AIM Funds Management Inc. - 2,925,900
                         Invesco PowerShares Capital Management LLC - 6,035

Number of Shares   -------------------------------------------------------------
Beneficially
Owned by Each
Reporting          6.   Shared Voting Power       ______-0-______
Person With
                   -------------------------------------------------------------

                   7.   Sole Voting Power 2,931,935: Such
                        shares are held by the following
                        entities in the respective amounts
                        listed:

                         AIM Funds Management Inc. - 2,925,900
                         Invesco PowerShares Capital Management LLC - 6,035

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

                   8.   Shared Dispositive Power     ______-0-______

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    9.   Aggregate Amount Beneficially Owned by Each Reporting Person:
         2,931,935

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    10.  Check if the Aggregate Amount in Row (9) Excludes Certain Shares
         (See Instructions) N/A

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    11.  Percent of Class Represented by Amount in Row (9)        4.08%
                                                                  ----

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    12.  Type of Reporting Person (See Instructions)
         IA, HC. See Items 2 and 3 of this statement.



                                  SCHEDULE 13G

Item 1(a)    Name of Issuer:
               Cott Corporation

Item 1(b)    Address of Issuer's Principal Executive Offices:
                   207 Queen's Quay West
                   Suite 340
                   Toronto, ON M5J 1AJ
                   Canada

Item 2(a)    Name of Person Filing:
             Invesco Ltd.

             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 Invesco Ltd.
             ("Invesco"), a Bermuda Company, on behalf of itself and its
             subsidiaries listed in Item 4 of the cover of this statement.
             Invesco through such subsidiaries provides investment
             management services to institutional and individual investors
             worldwide.

             Executive officers and directors of Invesco 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. Invesco and
             its subsidiaries disclaim beneficial ownership of Shares
             beneficially owned by any of their executive officers and
             directors. Each of Invesco's direct and indirect subsidiaries
             also disclaim beneficial ownership of Shares beneficially
             owned by Invesco and any other subsidiary.

Item 2(b)    Address of Principal Business Office:
             1360 Peachtree Street NE
             Atlanta, GA 30309
             United States

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       If this statement is filed pursuant to ss240.13d-1(b) or
             240.13d-2(b) or (c), check whether the person filing is a:

      (e) [x] An investment adviser in accordance with section
240.13d-1(b)(1)(ii)(E)

      (g) [x] A parent holding company or control person in accordance with
section 240.13d-1(b)(1)(ii)(G)

             As noted in Item 2 above, Invesco 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 and Exchange Commission under Section
             203 of the Investment Advisers Act of 1940, as amended, or
             under similar laws of other jurisdictions. Invesco is a
             holding company.



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:

             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 [ x ]

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 reported 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.

                                                        04/09/2008
                                            ------------------------------------
                                                          Date

                                            Invesco Ltd.

                                            By:      /s/ Lisa Brinkley
                                            ------------------------------------

                                            Lisa Brinkley
                                            Global Compliance Director