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StocksMedium•8 May 2026•

1 min read

Rio Tinto Weighs Increasing Stake in Argentina's Los Azules Copper Project

Key Facts

1Rio Tinto is evaluating the economic potential of McEwen Copper's giant Los Azules project in Argentina.

2The mining group is considering increasing its current 17.2% stake in the development, according to sources.

Global mining giant Rio Tinto is reportedly evaluating an increase in its current 17.2% equity stake in the massive Los Azules copper project in Argentina. The company is currently assessing the economic potential of the development, which is owned by McEwen Copper, to strengthen its position in the base metals market. This move aligns with Rio Tinto's strategic focus on expanding its copper portfolio, a critical metal for the global energy transition. According to sources familiar with the matter, deepening its involvement reflects confidence in the project's long-term value and the regional mining climate. A potential stake increase would bolster the company's strategic mineral holdings amid expectations of rising global demand. This development serves as a bullish signal for the project's viability and the attractiveness of large-scale copper assets in South America.