SCHEDULE: GMT Capital Discloses 7.21% Stake in ERO Copper

GMT Capital Corp. and Thomas E. Claugus have disclosed a 7.21% beneficial ownership stake in ERO Copper Corp. as of June 30, 2025.

Summary

• GMT Capital Corp., a Georgia corporation, and its control person, Thomas E. Claugus, a U.S. citizen, have filed an Amendment No. 5 to Schedule 13G.
• The filing reports beneficial ownership of 7,467,055 shares of ERO Copper Corp. Common Stock.
• This ownership represents 7.21% of the issuer's outstanding common stock.
• The percentage is calculated based on 103,572,066 shares of common stock outstanding as of May 5, 2025, as reported in ERO Copper Corp.'s Management Discussion and Analysis.
• The shares are held by various Managed Funds and Accounts advised by GMT Capital, including Bay Resource Partners, L.P., Bay II Resource Partners, L.P., and Bay Resource Partners Offshore Master Fund, L.P.
• Both GMT Capital Corp. and Thomas E. Claugus share voting and dispositive power over these shares.
• The reporting persons certify that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing the control of ERO Copper Corp.

Sentiment

Score: 5

Explanation: The filing is a factual disclosure of beneficial ownership, indicating a neutral sentiment as it does not contain performance results or explicit forward-looking statements about the issuer's operations. The reporting persons disclaim intent to influence control.

Positives

• The disclosure of a significant 7.21% stake by an institutional investor like GMT Capital Corp. may signal confidence in ERO Copper Corp.'s long-term prospects.

Negatives

• NA

Risks

• NA

Future Outlook

This filing is a beneficial ownership report and does not contain forward-looking statements or guidance from ERO Copper Corp. or the reporting persons regarding the issuer's future performance.

Industry Context

This filing indicates a significant institutional investment in ERO Copper Corp., a company operating in the mining sector, specifically copper. Such disclosures reflect investor interest in the commodities market and specific companies within it.

Stakeholder Impact

• Shareholders: Disclosure of a significant institutional stake can influence investor perception and potentially share price, signaling institutional confidence or interest in the company.

Key Dates

Keywords

ERO Copper Corp, GMT Capital Corp, Thomas E. Claugus, Beneficial Ownership, Schedule 13G, Common Stock, Investment Advisor, Mining, Copper