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    Amendment: SEC Form SCHEDULE 13G/A filed by Gran Tierra Energy Inc.

    5/15/25 10:00:20 AM ET
    $GTE
    Oil & Gas Production
    Energy
    Get the next $GTE alert in real time by email



    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13G


    UNDER THE SECURITIES EXCHANGE ACT OF 1934
    (Amendment No. 3)


    GRAN TIERRA ENERGY INC.

    (Name of Issuer)


    Common Shares, par value $0.001 per share (the "Common Shares")

    (Title of Class of Securities)


    38500T200

    (CUSIP Number)


    03/31/2025

    (Date of Event Which Requires Filing of this Statement)


    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
    Checkbox not checked   Rule 13d-1(b)
    Checkbox checked   Rule 13d-1(c)
    Checkbox not checked   Rule 13d-1(d)






    SCHEDULE 13G

    CUSIP No.
    38500T200


    1Names of Reporting Persons

    Equinox Partners Investment Management LLC
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    4,759,296.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    4,759,296.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    4,759,296.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    13.5 %
    12Type of Reporting Person (See Instructions)

    IA

    Comment for Type of Reporting Person:  Item #6: Includes 1,882,231 common shares, par value $0.001 per share (the "Common Shares") of Gran Tierra Energy Inc. (the "Issuer") held in one or more client accounts over which Equinox Partners Investment Management LLC, as investment advisor, has shared voting and dispositive power. The filing of this statement should not be deemed as admission that Equinox Partners Investment Management LLC is, for the purposes of Section 13 of the Act, the beneficial owner of the Common Shares held in such client account(s).


    SCHEDULE 13G

    CUSIP No.
    38500T200


    1Names of Reporting Persons

    Equinox Partners, L.P.
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    1,994,486.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    1,994,486.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    1,994,486.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    5.6 %
    12Type of Reporting Person (See Instructions)

    PN


    SCHEDULE 13G

    CUSIP No.
    38500T200


    1Names of Reporting Persons

    Kuroto Fund LP
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    538,700.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    538,700.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    538,700.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    1.5 %
    12Type of Reporting Person (See Instructions)

    PN


    SCHEDULE 13G

    CUSIP No.
    38500T200


    1Names of Reporting Persons

    Mason Hill Partners, LP
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    CONNECTICUT
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    343,879.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    343,879.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    343,879.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    1 %
    12Type of Reporting Person (See Instructions)

    PN


    SCHEDULE 13G

    CUSIP No.
    38500T200


    1Names of Reporting Persons

    Sean M. Fieler
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    UNITED STATES
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    4,759,296.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    4,759,296.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    4,759,296.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    13.5 %
    12Type of Reporting Person (See Instructions)

    IN

    Comment for Type of Reporting Person:  Items #s 6, 8, and 9: See Footnote 1 on page 2. The filing of this statement should not be deemed an admission that Mr. Fieler is, for the purposes of Section 13 of the Act, the beneficial owner of the Common Shares held in such client account(s).


    SCHEDULE 13G

    Item 1. 
    (a)Name of issuer:

    GRAN TIERRA ENERGY INC.
    (b)Address of issuer's principal executive offices:

    500 Centre Street S.E., Calgary, Alberta, Canada, T2G 1A6
    Item 2. 
    (a)Name of person filing:

    The names of the persons jointly filing this statement on Schedule 13G (collectively, the "Reporting Persons") are: Equinox Partners Investment Management LLC, a Delaware limited liability company ("EPIM"). Equinox Partners, L.P., a Delaware limited partnership ("Equinox Partners"). Kuroto Fund LP, a Delaware limited partnership ("Kuroto"). Mason Hill Partners, LP, a Delaware limited partnership ("Mason Hill Partners"). Sean M. Fieler, a United States Citizen ("Mr. Fieler"). EPIM's principal business is serving as an investment advisor to certain private investment funds, including Equinox Partners, Kuroto, Mason Hill Partners, and other client accounts. Each of Equinox Partners, Kuroto, and Mason Hill Partners is a private investment fund. Mr. Fieler owns a controlling interest in, and is the managing member of, EPIM.
    (b)Address or principal business office or, if none, residence:

    The principal business office of each of the Reporting Persons is Three Stamford Plaza, 301 Tresser Blvd, 13th Fl., Stamford, CT 06901.
    (c)Citizenship:

    Each of EPIM, Kuroto, Equinox Partners, and Mason Hill Partners is organized under the laws of the State of Delaware. Mr. Fieler is a citizen of the United States.
    (d)Title of class of securities:

    Common Shares, par value $0.001 per share (the "Common Shares")
    (e)CUSIP No.:

    38500T200
    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:
    (a)Checkbox not checked   Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
    (b)Checkbox not checked   Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
    (c)Checkbox not checked   Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
    (d)Checkbox not checked   Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
    (e)Checkbox not checked   An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
    (f)Checkbox not checked   An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
    (g)Checkbox not checked   A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
    (h)Checkbox not checked   A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
    (i)Checkbox not checked   A 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)Checkbox not checked   A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
           please specify the type of institution:
    (k)Checkbox not checked   Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
     
    Item 4.Ownership
    (a)Amount beneficially owned:

    Each of EPIM and Mr. Fieler may be deemed to beneficially own (as that term is defined in Rule 13d-3 under the Act) the Common Shares which each of Equinox Partners, Kuroto, and Mason Hill Partners directly beneficially owns. Each of EPIM and Mr. Fieler disclaims beneficial ownership of such Common Shares for all other purposes. EPIM acts as an investment advisor to certain client accounts and, by virtue of investment management agreements with these clients, has voting and dispositive power over the Common Shares held in such client accounts. Mr. Fieler is the managing member of, and owns a controlling interest in, EPIM. The filing of this statement should not be deemed an admission that EPIM or Mr. Fieler is, for the purposes of Section 13 of the Act, the beneficial owner of the Common Shares held in such client accounts. (a) Amount beneficially owned: (i) EPIM beneficially owns 4,759,296 Common Shares. (ii) Equinox Partners beneficially owns 1,994,486 Common Shares. (iii) Kuroto beneficially owns 538,700 Common Shares. (iv) Mason Hill Partners beneficially owns 343,879 Common Shares. (v) Mr. Fieler beneficially owns 4,759,296 Common Shares. (vi) Collectively, the Reporting Persons beneficially own 4,759,296 Common Shares.
    (b)Percent of class:

    The following percentages are based on 35,328,985 Common Shares outstanding as of April 29, 2025, as reported by the Issuer in its Form 10-Q filed with the SEC on May 2, 2025. (i) EPIM's beneficial ownership of 4,759,296 Common Shares represents approximately 13.5% of the outstanding Common Shares. (ii) Equinox Partners' beneficial ownership of 1,994,486 Common Shares represents approximately 5.6% of the outstanding Common Shares. (iii) Kuroto's beneficial ownership of 538,700 Common Share represents approximately 1.5% of the outstanding Common Shares. (iv) Mason Hill Partners' beneficial ownership of 343,879 Common Shares represents approximately 1.0% of the outstanding Common Shares. (v) Mr. Fieler's beneficial ownership of 4,759,296 Common Shares represents approximately 13.5% of the outstanding Common Shares. (vi) Collectively, the Reporting Persons' beneficial ownership of 4,759,296 Common Shares represents approximately 13.5% of the outstanding Common Shares.
    (c)Number of shares as to which the person has:
     (i) Sole power to vote or to direct the vote:

    See Cover Pages Items 5-9.

     (ii) Shared power to vote or to direct the vote:

    See Cover Pages Items 5-9.

     (iii) Sole power to dispose or to direct the disposition of:

    See Cover Pages Items 5-9.

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

    See Cover Pages Items 5-9.

    Item 5.Ownership of 5 Percent or Less of a Class.
     
    Item 6.Ownership of more than 5 Percent on Behalf of Another Person.
     
    Not Applicable
    Item 7.Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
     
    Not Applicable
    Item 8.Identification and Classification of Members of the Group.
     
    If a group has filed this schedule pursuant to §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 §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group.


    See Exhibit A to the Schedule 13G filed by the Reporting Persons with the Securities and Exchange Commission on September 17, 2024.
    Item 9.Notice of Dissolution of Group.
     
    Not Applicable

    Item 10.Certifications:
     
    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, other than activities solely in connection with a nomination under ?? 240.14a-11.

        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.

     
    Equinox Partners Investment Management LLC
     
    Signature:/s/ Sean M. Fieler
    Name/Title:Sean M. Fieler, Manager
    Date:05/15/2025
     
    Equinox Partners, L.P.
     
    Signature:/s/ Sean M. Fieler
    Name/Title:Sean M. Fieler, Manager of Equinox Partners Investment Management LLC, the Investment Manager of Equinox Partners, L.P.
    Date:05/15/2025
     
    Kuroto Fund LP
     
    Signature:/s/ Sean M. Fieler
    Name/Title:Sean M. Fieler, Manager of Equinox Partners Investment Management LLC, the Investment Manager of Kuroto Fund LP
    Date:05/15/2025
     
    Mason Hill Partners, LP
     
    Signature:/s/ Sean M. Fieler
    Name/Title:Sean M. Fieler, Manager of Equinox Partners Investment Management LLC, the Investment Manager of Mason Hill Partners, LP
    Date:05/15/2025
     
    Sean M. Fieler
     
    Signature:/s/ Sean M. Fieler
    Name/Title:Sean M. Fieler
    Date:05/15/2025
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