SCHEDULE 13G/A: Equinox Partners and Sean M. Fieler Disclose 13.5% Stake in Gran Tierra Energy Inc.

Equinox Partners Investment Management LLC and Sean M. Fieler have filed an amended Schedule 13G, revealing a collective beneficial ownership of 13.5% in Gran Tierra Energy Inc.'s common shares as of March 31, 2025.

Summary

• Equinox Partners Investment Management LLC (EPIM) and Sean M. Fieler, its managing member, collectively beneficially own 4,759,296 common shares of Gran Tierra Energy Inc.
• This aggregate ownership represents approximately 13.5% of Gran Tierra Energy Inc.'s outstanding common shares, based on 35,328,985 shares outstanding as of April 29, 2025.
• The ownership includes shares held by private investment funds managed by EPIM: Equinox Partners, L.P. (1,994,486 shares or 5.6%), Kuroto Fund LP (538,700 shares or 1.5%), and Mason Hill Partners, LP (343,879 shares or 1.0%).
• EPIM and Mr. Fieler exercise shared voting and dispositive power over these shares through investment management agreements.
• The filing certifies that the securities were not acquired or held for the purpose of changing or influencing the control of the issuer, except for activities solely in connection with a nomination under Rule 14a-11.

Sentiment

Score: 5

Explanation: The document is a factual disclosure of beneficial ownership, which is neutral in tone. The significant stake could be seen as positive, but the filing itself does not contain performance or operational updates.

Positives

• The disclosure of a significant 13.5% stake by a sophisticated institutional investor like Equinox Partners may be viewed as a vote of confidence in Gran Tierra Energy Inc.'s prospects.
• The certification that the shares are not held for the purpose of changing or influencing control (other than potential nominations under Rule 14a-11) suggests a passive investment stance, which can reduce uncertainty regarding potential activist interventions.

Risks

• Equinox Partners Investment Management LLC and Sean M. Fieler disclaim beneficial ownership of the Common Shares held in client accounts for purposes other than Section 13 of the Act, clarifying the scope of their beneficial ownership.

Future Outlook

NA

Management Comments

• Sean M. Fieler, on behalf of all Reporting Persons, certified 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.'

Industry Context

NA

Stakeholder Impact

• Shareholders: The disclosure of a significant institutional stake may influence investor perception and potentially share price due to increased institutional interest.
• Company Management: Awareness of a large, passive institutional holder may influence strategic decisions, though the filing explicitly states no intent to control.

Key Dates

Keywords

Gran Tierra Energy Inc., Equinox Partners Investment Management LLC, Sean M. Fieler, Schedule 13G, Beneficial Ownership, Common Shares, SEC Filing, Institutional Investor, Shareholder