AAVVF Advantage Energy Ltd (PK)

CUSIP No. 00765F101     Schedule 13G    Page 2 of 5

1.      Name of Reporting Persons.
        I.R.S. Identification Nos. of above persons (entities only).

        Mackenzie Financial Corporation

2.      Check the Appropriate Box if a Member of a Group  (a) [ ]
                                                          (b) [x]
3.      SEC Use Only

4.      Citizenship or Place of Organization

        Toronto, Ontario, Canada

Number of Shares Beneficially Owned by Each Reporting Person With:

5.      Sole Voting Power

        26,527,052 shares

6.      Shared Voting Power

        NIL

7.      Sole Dispositive Power

        26,527,052 shares

8.      Shared Dispositive Power

        NIL

9.      Aggregate Amount Beneficially Owned by Each Reporting Person

        26,527,052 shares

10.     Check if the Aggregate Amount in Row (11) Excludes Certain Shares

        N/A

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

        14.19%

12.     Type of Reporting Person (See Instructions)

        IA




Item 1. Schedule 13G    Page 3 of 5

       (a)      Name of Issuer

             Advantage Oil & Gas Ltd.

       (b)      Address of Issuer's Principal Executive Offices

       Suite 300
       440 2 Avenue SW
       Calgary, AB T2P 5E9
       Canada

       (a)      Name of Person Filing

             Mackenzie Financial Corporation

       (b)      Address of Principal Business Office or, if none,
              Residence

             180 Queen Street West, Toronto, Ontario M5V 3K1

       (c)      Citizenship

             Organized in Toronto, Ontario, Canada

       (d)      Title of Class of Securities

             Common Shares

       (e)      CUSIP Number

             00765F101


Item 3.  If this statement is filed pursuant to 240.13d-1(b) or 240.13d-2(b),
 or (c) check whether the person filing is a(n):

(a)     [ ]     Broker or dealer registered under section 15 of the Act
(15 U.S.C.78o).
       (b)      [ ]     Bank as defined in section 3(a)(6) of the Act
(15 U.S.C. 78c).
(c)     [ ]     Insurance Company as defined in section 3(a)(19) of the Act
 (15 U.S.C.78c).
(d)     [ ]     Investment Company registered under section 8 of the
Investment Company Act of 1940 (15 U.S.C. 80a-8).
(e)     [X]     investment adviser in accordance with
240.13d-1(b)(1)(ii)(E);
(f)     [ ]     employee benefit plan or endowment fund in accordance
with 240.13d-1(b)(1)(ii)(F);
(g)     [ ]     parent holding company or control person in accordance
with 240.13d-1(b)(1)(ii)(G);
(h)     [ ]     savings associations as defined in Section 3(b) of the
Federal Deposit Insurance Act (12 U.S.C. 1813);














        Schedule 13G    Page 4 of 5

(i)     [ ]     church plan that is excluded from the definition of an
investment company under section 3(c)(14) of the Investment Company Act of
1940 (15 U.S.C. 80a-3);
(j)     [ ]     Group, in accordance with 240.13d-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: 26,527,052

       (b)      Percent of Class: 14.19%

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

             (i)        Sole power to vote or to direct the vote - 26,527,052

        (ii)Shared power to vote or to direct the vote- NIL


(iii)   Sole power to dispose or to direct the disposition of - 26,527,052

(iv)    Shared power to dispose or to direct the disposition of - NIL



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

       N/A

Item 7. Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on By the Parent Holding Company

       N/A

Item 8. Identification and Classification of Members of the Group

       N/A

Item 9. Notice of Dissolution of Group

       N/A











        Schedule 13G    Page 5 of 5

Item 10.        Certification

(a)     The following certification shall be included if the statement is
filed pursuant to 240.13d-1(b):

By signing below I certify that, to the best of my knowledge and belief, the
securities referred to above were acquired 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.

(b)     The following certification shall be included if the statement is
filed pursuant to 240.13d-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 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.



Date    February 14, 2020


        "Gillian Seidler"


        Signature
        Gillian Seidler
        Vice-President & Chief Compliance Officer

        Name/Title



       The original statement shall be signed by each person on whose behalf
the statement is filed or his authorized representative.
If the statement is signed on behalf of a person by his authorized
representative other than an executive officer or general partner of
the filing person, evidence of the representative's authority to sign
on behalf of such person shall be filed with the statement, provided,
however, that a power of attorney for this purpose which is already on
file with the Commission may be incorporated by reference.
The name and any title of each person who signs the statement shall be
typed or printed beneath his signature.